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Diffstat (limited to 'docs/sqlglot/schema.html')
| -rw-r--r-- | docs/sqlglot/schema.html | 962 |
1 files changed, 476 insertions, 486 deletions
diff --git a/docs/sqlglot/schema.html b/docs/sqlglot/schema.html index 01544a5..d94002d 100644 --- a/docs/sqlglot/schema.html +++ b/docs/sqlglot/schema.html @@ -374,261 +374,256 @@ </span><span id="L-226"><a href="#L-226"><span class="linenos">226</span></a><span class="sd"> column_mapping: a column mapping that describes the structure of the table.</span> </span><span id="L-227"><a href="#L-227"><span class="linenos">227</span></a><span class="sd"> dialect: the SQL dialect that will be used to parse `table` if it's a string.</span> </span><span id="L-228"><a href="#L-228"><span class="linenos">228</span></a><span class="sd"> """</span> -</span><span id="L-229"><a href="#L-229"><span class="linenos">229</span></a> <span class="n">normalized_table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_normalize_table</span><span class="p">(</span> -</span><span id="L-230"><a href="#L-230"><span class="linenos">230</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_ensure_table</span><span class="p">(</span><span class="n">table</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">),</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span> -</span><span id="L-231"><a href="#L-231"><span class="linenos">231</span></a> <span class="p">)</span> -</span><span id="L-232"><a href="#L-232"><span class="linenos">232</span></a> <span class="n">normalized_column_mapping</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="L-233"><a href="#L-233"><span class="linenos">233</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_normalize_name</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">):</span> <span class="n">value</span> -</span><span id="L-234"><a href="#L-234"><span class="linenos">234</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">value</span> <span class="ow">in</span> <span class="n">ensure_column_mapping</span><span class="p">(</span><span class="n">column_mapping</span><span class="p">)</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> -</span><span id="L-235"><a href="#L-235"><span class="linenos">235</span></a> <span class="p">}</span> -</span><span id="L-236"><a href="#L-236"><span class="linenos">236</span></a> -</span><span id="L-237"><a href="#L-237"><span class="linenos">237</span></a> <span class="n">schema</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">normalized_table</span><span class="p">,</span> <span class="n">raise_on_missing</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> -</span><span id="L-238"><a href="#L-238"><span class="linenos">238</span></a> <span class="k">if</span> <span class="n">schema</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">normalized_column_mapping</span><span class="p">:</span> -</span><span id="L-239"><a href="#L-239"><span class="linenos">239</span></a> <span class="k">return</span> -</span><span id="L-240"><a href="#L-240"><span class="linenos">240</span></a> -</span><span id="L-241"><a href="#L-241"><span class="linenos">241</span></a> <span class="n">parts</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">table_parts</span><span class="p">(</span><span class="n">normalized_table</span><span class="p">)</span> -</span><span id="L-242"><a href="#L-242"><span class="linenos">242</span></a> -</span><span id="L-243"><a href="#L-243"><span class="linenos">243</span></a> <span class="n">nested_set</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">mapping</span><span class="p">,</span> <span class="nb">tuple</span><span class="p">(</span><span class="nb">reversed</span><span class="p">(</span><span class="n">parts</span><span class="p">)),</span> <span class="n">normalized_column_mapping</span><span class="p">)</span> -</span><span id="L-244"><a href="#L-244"><span class="linenos">244</span></a> <span class="n">new_trie</span><span class="p">([</span><span class="n">parts</span><span class="p">],</span> <span class="bp">self</span><span class="o">.</span><span class="n">mapping_trie</span><span class="p">)</span> -</span><span id="L-245"><a href="#L-245"><span class="linenos">245</span></a> -</span><span id="L-246"><a href="#L-246"><span class="linenos">246</span></a> <span class="k">def</span> <span class="nf">column_names</span><span class="p">(</span> -</span><span id="L-247"><a href="#L-247"><span class="linenos">247</span></a> <span class="bp">self</span><span class="p">,</span> -</span><span id="L-248"><a href="#L-248"><span class="linenos">248</span></a> <span class="n">table</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span> <span class="o">|</span> <span class="nb">str</span><span class="p">,</span> -</span><span id="L-249"><a href="#L-249"><span class="linenos">249</span></a> <span class="n">only_visible</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> -</span><span id="L-250"><a href="#L-250"><span class="linenos">250</span></a> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> -</span><span id="L-251"><a href="#L-251"><span class="linenos">251</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> -</span><span id="L-252"><a href="#L-252"><span class="linenos">252</span></a> <span class="n">normalized_table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_normalize_table</span><span class="p">(</span> -</span><span id="L-253"><a href="#L-253"><span class="linenos">253</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_ensure_table</span><span class="p">(</span><span class="n">table</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">),</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span> -</span><span id="L-254"><a href="#L-254"><span class="linenos">254</span></a> <span class="p">)</span> -</span><span id="L-255"><a href="#L-255"><span class="linenos">255</span></a> -</span><span id="L-256"><a href="#L-256"><span class="linenos">256</span></a> <span class="n">schema</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">normalized_table</span><span class="p">)</span> -</span><span id="L-257"><a href="#L-257"><span class="linenos">257</span></a> <span class="k">if</span> <span class="n">schema</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> -</span><span id="L-258"><a href="#L-258"><span class="linenos">258</span></a> <span class="k">return</span> <span class="p">[]</span> +</span><span id="L-229"><a href="#L-229"><span class="linenos">229</span></a> <span class="n">normalized_table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_normalize_table</span><span class="p">(</span><span class="n">table</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span> +</span><span id="L-230"><a href="#L-230"><span class="linenos">230</span></a> +</span><span id="L-231"><a href="#L-231"><span class="linenos">231</span></a> <span class="n">normalized_column_mapping</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="L-232"><a href="#L-232"><span class="linenos">232</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_normalize_name</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">):</span> <span class="n">value</span> +</span><span id="L-233"><a href="#L-233"><span class="linenos">233</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">value</span> <span class="ow">in</span> <span class="n">ensure_column_mapping</span><span class="p">(</span><span class="n">column_mapping</span><span class="p">)</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> +</span><span id="L-234"><a href="#L-234"><span class="linenos">234</span></a> <span class="p">}</span> +</span><span id="L-235"><a href="#L-235"><span class="linenos">235</span></a> +</span><span id="L-236"><a href="#L-236"><span class="linenos">236</span></a> <span class="n">schema</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">normalized_table</span><span class="p">,</span> <span class="n">raise_on_missing</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> +</span><span id="L-237"><a href="#L-237"><span class="linenos">237</span></a> <span class="k">if</span> <span class="n">schema</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">normalized_column_mapping</span><span class="p">:</span> +</span><span id="L-238"><a href="#L-238"><span class="linenos">238</span></a> <span class="k">return</span> +</span><span id="L-239"><a href="#L-239"><span class="linenos">239</span></a> +</span><span id="L-240"><a href="#L-240"><span class="linenos">240</span></a> <span class="n">parts</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">table_parts</span><span class="p">(</span><span class="n">normalized_table</span><span class="p">)</span> +</span><span id="L-241"><a href="#L-241"><span class="linenos">241</span></a> +</span><span id="L-242"><a href="#L-242"><span class="linenos">242</span></a> <span class="n">nested_set</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">mapping</span><span class="p">,</span> <span class="nb">tuple</span><span class="p">(</span><span class="nb">reversed</span><span class="p">(</span><span class="n">parts</span><span class="p">)),</span> <span class="n">normalized_column_mapping</span><span class="p">)</span> +</span><span id="L-243"><a href="#L-243"><span class="linenos">243</span></a> <span class="n">new_trie</span><span class="p">([</span><span class="n">parts</span><span class="p">],</span> <span class="bp">self</span><span class="o">.</span><span class="n">mapping_trie</span><span class="p">)</span> +</span><span id="L-244"><a href="#L-244"><span class="linenos">244</span></a> +</span><span id="L-245"><a href="#L-245"><span class="linenos">245</span></a> <span class="k">def</span> <span class="nf">column_names</span><span class="p">(</span> +</span><span id="L-246"><a href="#L-246"><span class="linenos">246</span></a> <span class="bp">self</span><span class="p">,</span> +</span><span id="L-247"><a href="#L-247"><span class="linenos">247</span></a> <span class="n">table</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span> <span class="o">|</span> <span class="nb">str</span><span class="p">,</span> +</span><span id="L-248"><a href="#L-248"><span class="linenos">248</span></a> <span class="n">only_visible</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> +</span><span id="L-249"><a href="#L-249"><span class="linenos">249</span></a> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="L-250"><a href="#L-250"><span class="linenos">250</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> +</span><span id="L-251"><a href="#L-251"><span class="linenos">251</span></a> <span class="n">normalized_table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_normalize_table</span><span class="p">(</span><span class="n">table</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span> +</span><span id="L-252"><a href="#L-252"><span class="linenos">252</span></a> +</span><span id="L-253"><a href="#L-253"><span class="linenos">253</span></a> <span class="n">schema</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">normalized_table</span><span class="p">)</span> +</span><span id="L-254"><a href="#L-254"><span class="linenos">254</span></a> <span class="k">if</span> <span class="n">schema</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> +</span><span id="L-255"><a href="#L-255"><span class="linenos">255</span></a> <span class="k">return</span> <span class="p">[]</span> +</span><span id="L-256"><a href="#L-256"><span class="linenos">256</span></a> +</span><span id="L-257"><a href="#L-257"><span class="linenos">257</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">only_visible</span> <span class="ow">or</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">visible</span><span class="p">:</span> +</span><span id="L-258"><a href="#L-258"><span class="linenos">258</span></a> <span class="k">return</span> <span class="nb">list</span><span class="p">(</span><span class="n">schema</span><span class="p">)</span> </span><span id="L-259"><a href="#L-259"><span class="linenos">259</span></a> -</span><span id="L-260"><a href="#L-260"><span class="linenos">260</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">only_visible</span> <span class="ow">or</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">visible</span><span class="p">:</span> -</span><span id="L-261"><a href="#L-261"><span class="linenos">261</span></a> <span class="k">return</span> <span class="nb">list</span><span class="p">(</span><span class="n">schema</span><span class="p">)</span> +</span><span id="L-260"><a href="#L-260"><span class="linenos">260</span></a> <span class="n">visible</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">nested_get</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">table_parts</span><span class="p">(</span><span class="n">normalized_table</span><span class="p">),</span> <span class="bp">self</span><span class="o">.</span><span class="n">visible</span><span class="p">)</span> <span class="ow">or</span> <span class="p">[]</span> +</span><span id="L-261"><a href="#L-261"><span class="linenos">261</span></a> <span class="k">return</span> <span class="p">[</span><span class="n">col</span> <span class="k">for</span> <span class="n">col</span> <span class="ow">in</span> <span class="n">schema</span> <span class="k">if</span> <span class="n">col</span> <span class="ow">in</span> <span class="n">visible</span><span class="p">]</span> </span><span id="L-262"><a href="#L-262"><span class="linenos">262</span></a> -</span><span id="L-263"><a href="#L-263"><span class="linenos">263</span></a> <span class="n">visible</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">nested_get</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">table_parts</span><span class="p">(</span><span class="n">normalized_table</span><span class="p">),</span> <span class="bp">self</span><span class="o">.</span><span class="n">visible</span><span class="p">)</span> <span class="ow">or</span> <span class="p">[]</span> -</span><span id="L-264"><a href="#L-264"><span class="linenos">264</span></a> <span class="k">return</span> <span class="p">[</span><span class="n">col</span> <span class="k">for</span> <span class="n">col</span> <span class="ow">in</span> <span class="n">schema</span> <span class="k">if</span> <span class="n">col</span> <span class="ow">in</span> <span class="n">visible</span><span class="p">]</span> -</span><span id="L-265"><a href="#L-265"><span class="linenos">265</span></a> -</span><span id="L-266"><a href="#L-266"><span class="linenos">266</span></a> <span class="k">def</span> <span class="nf">get_column_type</span><span class="p">(</span> -</span><span id="L-267"><a href="#L-267"><span class="linenos">267</span></a> <span class="bp">self</span><span class="p">,</span> -</span><span id="L-268"><a href="#L-268"><span class="linenos">268</span></a> <span class="n">table</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span> <span class="o">|</span> <span class="nb">str</span><span class="p">,</span> -</span><span id="L-269"><a href="#L-269"><span class="linenos">269</span></a> <span class="n">column</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">,</span> -</span><span id="L-270"><a href="#L-270"><span class="linenos">270</span></a> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> -</span><span id="L-271"><a href="#L-271"><span class="linenos">271</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">:</span> -</span><span id="L-272"><a href="#L-272"><span class="linenos">272</span></a> <span class="n">normalized_table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_normalize_table</span><span class="p">(</span> -</span><span id="L-273"><a href="#L-273"><span class="linenos">273</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_ensure_table</span><span class="p">(</span><span class="n">table</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">),</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span> -</span><span id="L-274"><a href="#L-274"><span class="linenos">274</span></a> <span class="p">)</span> -</span><span id="L-275"><a href="#L-275"><span class="linenos">275</span></a> <span class="n">normalized_column_name</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_normalize_name</span><span class="p">(</span> -</span><span id="L-276"><a href="#L-276"><span class="linenos">276</span></a> <span class="n">column</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">column</span><span class="p">,</span> <span class="nb">str</span><span class="p">)</span> <span class="k">else</span> <span class="n">column</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span> -</span><span id="L-277"><a href="#L-277"><span class="linenos">277</span></a> <span class="p">)</span> +</span><span id="L-263"><a href="#L-263"><span class="linenos">263</span></a> <span class="k">def</span> <span class="nf">get_column_type</span><span class="p">(</span> +</span><span id="L-264"><a href="#L-264"><span class="linenos">264</span></a> <span class="bp">self</span><span class="p">,</span> +</span><span id="L-265"><a href="#L-265"><span class="linenos">265</span></a> <span class="n">table</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span> <span class="o">|</span> <span class="nb">str</span><span class="p">,</span> +</span><span id="L-266"><a href="#L-266"><span class="linenos">266</span></a> <span class="n">column</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">,</span> +</span><span id="L-267"><a href="#L-267"><span class="linenos">267</span></a> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="L-268"><a href="#L-268"><span class="linenos">268</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">:</span> +</span><span id="L-269"><a href="#L-269"><span class="linenos">269</span></a> <span class="n">normalized_table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_normalize_table</span><span class="p">(</span><span class="n">table</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span> +</span><span id="L-270"><a href="#L-270"><span class="linenos">270</span></a> +</span><span id="L-271"><a href="#L-271"><span class="linenos">271</span></a> <span class="n">normalized_column_name</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_normalize_name</span><span class="p">(</span> +</span><span id="L-272"><a href="#L-272"><span class="linenos">272</span></a> <span class="n">column</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">column</span><span class="p">,</span> <span class="nb">str</span><span class="p">)</span> <span class="k">else</span> <span class="n">column</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span> +</span><span id="L-273"><a href="#L-273"><span class="linenos">273</span></a> <span class="p">)</span> +</span><span id="L-274"><a href="#L-274"><span class="linenos">274</span></a> +</span><span id="L-275"><a href="#L-275"><span class="linenos">275</span></a> <span class="n">table_schema</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">normalized_table</span><span class="p">,</span> <span class="n">raise_on_missing</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> +</span><span id="L-276"><a href="#L-276"><span class="linenos">276</span></a> <span class="k">if</span> <span class="n">table_schema</span><span class="p">:</span> +</span><span id="L-277"><a href="#L-277"><span class="linenos">277</span></a> <span class="n">column_type</span> <span class="o">=</span> <span class="n">table_schema</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">normalized_column_name</span><span class="p">)</span> </span><span id="L-278"><a href="#L-278"><span class="linenos">278</span></a> -</span><span id="L-279"><a href="#L-279"><span class="linenos">279</span></a> <span class="n">table_schema</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">normalized_table</span><span class="p">,</span> <span class="n">raise_on_missing</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> -</span><span id="L-280"><a href="#L-280"><span class="linenos">280</span></a> <span class="k">if</span> <span class="n">table_schema</span><span class="p">:</span> -</span><span id="L-281"><a href="#L-281"><span class="linenos">281</span></a> <span class="n">column_type</span> <span class="o">=</span> <span class="n">table_schema</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">normalized_column_name</span><span class="p">)</span> -</span><span id="L-282"><a href="#L-282"><span class="linenos">282</span></a> -</span><span id="L-283"><a href="#L-283"><span class="linenos">283</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">column_type</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">):</span> -</span><span id="L-284"><a href="#L-284"><span class="linenos">284</span></a> <span class="k">return</span> <span class="n">column_type</span> -</span><span id="L-285"><a href="#L-285"><span class="linenos">285</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">column_type</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span> -</span><span id="L-286"><a href="#L-286"><span class="linenos">286</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_to_data_type</span><span class="p">(</span><span class="n">column_type</span><span class="o">.</span><span class="n">upper</span><span class="p">(),</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span> -</span><span id="L-287"><a href="#L-287"><span class="linenos">287</span></a> -</span><span id="L-288"><a href="#L-288"><span class="linenos">288</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">build</span><span class="p">(</span><span class="s2">"unknown"</span><span class="p">)</span> +</span><span id="L-279"><a href="#L-279"><span class="linenos">279</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">column_type</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">):</span> +</span><span id="L-280"><a href="#L-280"><span class="linenos">280</span></a> <span class="k">return</span> <span class="n">column_type</span> +</span><span id="L-281"><a href="#L-281"><span class="linenos">281</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">column_type</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span> +</span><span id="L-282"><a href="#L-282"><span class="linenos">282</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_to_data_type</span><span class="p">(</span><span class="n">column_type</span><span class="o">.</span><span class="n">upper</span><span class="p">(),</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span> +</span><span id="L-283"><a href="#L-283"><span class="linenos">283</span></a> +</span><span id="L-284"><a href="#L-284"><span class="linenos">284</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">build</span><span class="p">(</span><span class="s2">"unknown"</span><span class="p">)</span> +</span><span id="L-285"><a href="#L-285"><span class="linenos">285</span></a> +</span><span id="L-286"><a href="#L-286"><span class="linenos">286</span></a> <span class="k">def</span> <span class="nf">_normalize</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">schema</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">:</span> +</span><span id="L-287"><a href="#L-287"><span class="linenos">287</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="L-288"><a href="#L-288"><span class="linenos">288</span></a><span class="sd"> Normalizes all identifiers in the schema.</span> </span><span id="L-289"><a href="#L-289"><span class="linenos">289</span></a> -</span><span id="L-290"><a href="#L-290"><span class="linenos">290</span></a> <span class="k">def</span> <span class="nf">_normalize</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">schema</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">:</span> -</span><span id="L-291"><a href="#L-291"><span class="linenos">291</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="L-292"><a href="#L-292"><span class="linenos">292</span></a><span class="sd"> Normalizes all identifiers in the schema.</span> -</span><span id="L-293"><a href="#L-293"><span class="linenos">293</span></a> -</span><span id="L-294"><a href="#L-294"><span class="linenos">294</span></a><span class="sd"> Args:</span> -</span><span id="L-295"><a href="#L-295"><span class="linenos">295</span></a><span class="sd"> schema: the schema to normalize.</span> -</span><span id="L-296"><a href="#L-296"><span class="linenos">296</span></a> -</span><span id="L-297"><a href="#L-297"><span class="linenos">297</span></a><span class="sd"> Returns:</span> -</span><span id="L-298"><a href="#L-298"><span class="linenos">298</span></a><span class="sd"> The normalized schema mapping.</span> -</span><span id="L-299"><a href="#L-299"><span class="linenos">299</span></a><span class="sd"> """</span> -</span><span id="L-300"><a href="#L-300"><span class="linenos">300</span></a> <span class="n">flattened_schema</span> <span class="o">=</span> <span class="n">flatten_schema</span><span class="p">(</span><span class="n">schema</span><span class="p">,</span> <span class="n">depth</span><span class="o">=</span><span class="n">dict_depth</span><span class="p">(</span><span class="n">schema</span><span class="p">)</span> <span class="o">-</span> <span class="mi">1</span><span class="p">)</span> -</span><span id="L-301"><a href="#L-301"><span class="linenos">301</span></a> -</span><span id="L-302"><a href="#L-302"><span class="linenos">302</span></a> <span class="n">normalized_mapping</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span> <span class="o">=</span> <span class="p">{}</span> -</span><span id="L-303"><a href="#L-303"><span class="linenos">303</span></a> <span class="k">for</span> <span class="n">keys</span> <span class="ow">in</span> <span class="n">flattened_schema</span><span class="p">:</span> -</span><span id="L-304"><a href="#L-304"><span class="linenos">304</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="n">nested_get</span><span class="p">(</span><span class="n">schema</span><span class="p">,</span> <span class="o">*</span><span class="nb">zip</span><span class="p">(</span><span class="n">keys</span><span class="p">,</span> <span class="n">keys</span><span class="p">))</span> -</span><span id="L-305"><a href="#L-305"><span class="linenos">305</span></a> <span class="k">assert</span> <span class="n">columns</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span> -</span><span id="L-306"><a href="#L-306"><span class="linenos">306</span></a> -</span><span id="L-307"><a href="#L-307"><span class="linenos">307</span></a> <span class="n">normalized_keys</span> <span class="o">=</span> <span class="p">[</span> -</span><span id="L-308"><a href="#L-308"><span class="linenos">308</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_normalize_name</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">dialect</span><span class="p">,</span> <span class="n">is_table</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span> <span class="k">for</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">keys</span> -</span><span id="L-309"><a href="#L-309"><span class="linenos">309</span></a> <span class="p">]</span> -</span><span id="L-310"><a href="#L-310"><span class="linenos">310</span></a> <span class="k">for</span> <span class="n">column_name</span><span class="p">,</span> <span class="n">column_type</span> <span class="ow">in</span> <span class="n">columns</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> -</span><span id="L-311"><a href="#L-311"><span class="linenos">311</span></a> <span class="n">nested_set</span><span class="p">(</span> -</span><span id="L-312"><a href="#L-312"><span class="linenos">312</span></a> <span class="n">normalized_mapping</span><span class="p">,</span> -</span><span id="L-313"><a href="#L-313"><span class="linenos">313</span></a> <span class="n">normalized_keys</span> <span class="o">+</span> <span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">_normalize_name</span><span class="p">(</span><span class="n">column_name</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">dialect</span><span class="p">)],</span> -</span><span id="L-314"><a href="#L-314"><span class="linenos">314</span></a> <span class="n">column_type</span><span class="p">,</span> -</span><span id="L-315"><a href="#L-315"><span class="linenos">315</span></a> <span class="p">)</span> -</span><span id="L-316"><a href="#L-316"><span class="linenos">316</span></a> -</span><span id="L-317"><a href="#L-317"><span class="linenos">317</span></a> <span class="k">return</span> <span class="n">normalized_mapping</span> -</span><span id="L-318"><a href="#L-318"><span class="linenos">318</span></a> -</span><span id="L-319"><a href="#L-319"><span class="linenos">319</span></a> <span class="k">def</span> <span class="nf">_normalize_table</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">table</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">,</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">:</span> -</span><span id="L-320"><a href="#L-320"><span class="linenos">320</span></a> <span class="n">normalized_table</span> <span class="o">=</span> <span class="n">table</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> -</span><span id="L-321"><a href="#L-321"><span class="linenos">321</span></a> -</span><span id="L-322"><a href="#L-322"><span class="linenos">322</span></a> <span class="k">for</span> <span class="n">arg</span> <span class="ow">in</span> <span class="n">TABLE_ARGS</span><span class="p">:</span> -</span><span id="L-323"><a href="#L-323"><span class="linenos">323</span></a> <span class="n">value</span> <span class="o">=</span> <span class="n">normalized_table</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">arg</span><span class="p">)</span> -</span><span id="L-324"><a href="#L-324"><span class="linenos">324</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="p">(</span><span class="nb">str</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">)):</span> -</span><span id="L-325"><a href="#L-325"><span class="linenos">325</span></a> <span class="n">normalized_table</span><span class="o">.</span><span class="n">set</span><span class="p">(</span> -</span><span id="L-326"><a href="#L-326"><span class="linenos">326</span></a> <span class="n">arg</span><span class="p">,</span> -</span><span id="L-327"><a href="#L-327"><span class="linenos">327</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_normalize_name</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">,</span> <span class="n">is_table</span><span class="o">=</span><span class="kc">True</span><span class="p">)),</span> -</span><span id="L-328"><a href="#L-328"><span class="linenos">328</span></a> <span class="p">)</span> +</span><span id="L-290"><a href="#L-290"><span class="linenos">290</span></a><span class="sd"> Args:</span> +</span><span id="L-291"><a href="#L-291"><span class="linenos">291</span></a><span class="sd"> schema: the schema to normalize.</span> +</span><span id="L-292"><a href="#L-292"><span class="linenos">292</span></a> +</span><span id="L-293"><a href="#L-293"><span class="linenos">293</span></a><span class="sd"> Returns:</span> +</span><span id="L-294"><a href="#L-294"><span class="linenos">294</span></a><span class="sd"> The normalized schema mapping.</span> +</span><span id="L-295"><a href="#L-295"><span class="linenos">295</span></a><span class="sd"> """</span> +</span><span id="L-296"><a href="#L-296"><span class="linenos">296</span></a> <span class="n">flattened_schema</span> <span class="o">=</span> <span class="n">flatten_schema</span><span class="p">(</span><span class="n">schema</span><span class="p">,</span> <span class="n">depth</span><span class="o">=</span><span class="n">dict_depth</span><span class="p">(</span><span class="n">schema</span><span class="p">)</span> <span class="o">-</span> <span class="mi">1</span><span class="p">)</span> +</span><span id="L-297"><a href="#L-297"><span class="linenos">297</span></a> +</span><span id="L-298"><a href="#L-298"><span class="linenos">298</span></a> <span class="n">normalized_mapping</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="L-299"><a href="#L-299"><span class="linenos">299</span></a> <span class="k">for</span> <span class="n">keys</span> <span class="ow">in</span> <span class="n">flattened_schema</span><span class="p">:</span> +</span><span id="L-300"><a href="#L-300"><span class="linenos">300</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="n">nested_get</span><span class="p">(</span><span class="n">schema</span><span class="p">,</span> <span class="o">*</span><span class="nb">zip</span><span class="p">(</span><span class="n">keys</span><span class="p">,</span> <span class="n">keys</span><span class="p">))</span> +</span><span id="L-301"><a href="#L-301"><span class="linenos">301</span></a> <span class="k">assert</span> <span class="n">columns</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span> +</span><span id="L-302"><a href="#L-302"><span class="linenos">302</span></a> +</span><span id="L-303"><a href="#L-303"><span class="linenos">303</span></a> <span class="n">normalized_keys</span> <span class="o">=</span> <span class="p">[</span> +</span><span id="L-304"><a href="#L-304"><span class="linenos">304</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_normalize_name</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">dialect</span><span class="p">,</span> <span class="n">is_table</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span> <span class="k">for</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">keys</span> +</span><span id="L-305"><a href="#L-305"><span class="linenos">305</span></a> <span class="p">]</span> +</span><span id="L-306"><a href="#L-306"><span class="linenos">306</span></a> <span class="k">for</span> <span class="n">column_name</span><span class="p">,</span> <span class="n">column_type</span> <span class="ow">in</span> <span class="n">columns</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> +</span><span id="L-307"><a href="#L-307"><span class="linenos">307</span></a> <span class="n">nested_set</span><span class="p">(</span> +</span><span id="L-308"><a href="#L-308"><span class="linenos">308</span></a> <span class="n">normalized_mapping</span><span class="p">,</span> +</span><span id="L-309"><a href="#L-309"><span class="linenos">309</span></a> <span class="n">normalized_keys</span> <span class="o">+</span> <span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">_normalize_name</span><span class="p">(</span><span class="n">column_name</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">dialect</span><span class="p">)],</span> +</span><span id="L-310"><a href="#L-310"><span class="linenos">310</span></a> <span class="n">column_type</span><span class="p">,</span> +</span><span id="L-311"><a href="#L-311"><span class="linenos">311</span></a> <span class="p">)</span> +</span><span id="L-312"><a href="#L-312"><span class="linenos">312</span></a> +</span><span id="L-313"><a href="#L-313"><span class="linenos">313</span></a> <span class="k">return</span> <span class="n">normalized_mapping</span> +</span><span id="L-314"><a href="#L-314"><span class="linenos">314</span></a> +</span><span id="L-315"><a href="#L-315"><span class="linenos">315</span></a> <span class="k">def</span> <span class="nf">_normalize_table</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">table</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span> <span class="o">|</span> <span class="nb">str</span><span class="p">,</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">:</span> +</span><span id="L-316"><a href="#L-316"><span class="linenos">316</span></a> <span class="n">normalized_table</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">maybe_parse</span><span class="p">(</span> +</span><span id="L-317"><a href="#L-317"><span class="linenos">317</span></a> <span class="n">table</span><span class="p">,</span> <span class="n">into</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">dialect</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">True</span> +</span><span id="L-318"><a href="#L-318"><span class="linenos">318</span></a> <span class="p">)</span> +</span><span id="L-319"><a href="#L-319"><span class="linenos">319</span></a> +</span><span id="L-320"><a href="#L-320"><span class="linenos">320</span></a> <span class="k">for</span> <span class="n">arg</span> <span class="ow">in</span> <span class="n">TABLE_ARGS</span><span class="p">:</span> +</span><span id="L-321"><a href="#L-321"><span class="linenos">321</span></a> <span class="n">value</span> <span class="o">=</span> <span class="n">normalized_table</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">arg</span><span class="p">)</span> +</span><span id="L-322"><a href="#L-322"><span class="linenos">322</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="p">(</span><span class="nb">str</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">)):</span> +</span><span id="L-323"><a href="#L-323"><span class="linenos">323</span></a> <span class="n">normalized_table</span><span class="o">.</span><span class="n">set</span><span class="p">(</span> +</span><span id="L-324"><a href="#L-324"><span class="linenos">324</span></a> <span class="n">arg</span><span class="p">,</span> +</span><span id="L-325"><a href="#L-325"><span class="linenos">325</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_normalize_name</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">,</span> <span class="n">is_table</span><span class="o">=</span><span class="kc">True</span><span class="p">)),</span> +</span><span id="L-326"><a href="#L-326"><span class="linenos">326</span></a> <span class="p">)</span> +</span><span id="L-327"><a href="#L-327"><span class="linenos">327</span></a> +</span><span id="L-328"><a href="#L-328"><span class="linenos">328</span></a> <span class="k">return</span> <span class="n">normalized_table</span> </span><span id="L-329"><a href="#L-329"><span class="linenos">329</span></a> -</span><span id="L-330"><a href="#L-330"><span class="linenos">330</span></a> <span class="k">return</span> <span class="n">normalized_table</span> -</span><span id="L-331"><a href="#L-331"><span class="linenos">331</span></a> -</span><span id="L-332"><a href="#L-332"><span class="linenos">332</span></a> <span class="k">def</span> <span class="nf">_normalize_name</span><span class="p">(</span> -</span><span id="L-333"><a href="#L-333"><span class="linenos">333</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">:</span> <span class="nb">str</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">,</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> <span class="n">is_table</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span> -</span><span id="L-334"><a href="#L-334"><span class="linenos">334</span></a> <span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="L-335"><a href="#L-335"><span class="linenos">335</span></a> <span class="n">dialect</span> <span class="o">=</span> <span class="n">dialect</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">dialect</span> -</span><span id="L-336"><a href="#L-336"><span class="linenos">336</span></a> -</span><span id="L-337"><a href="#L-337"><span class="linenos">337</span></a> <span class="k">try</span><span class="p">:</span> -</span><span id="L-338"><a href="#L-338"><span class="linenos">338</span></a> <span class="n">identifier</span> <span class="o">=</span> <span class="n">sqlglot</span><span class="o">.</span><span class="n">maybe_parse</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">,</span> <span class="n">into</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">)</span> -</span><span id="L-339"><a href="#L-339"><span class="linenos">339</span></a> <span class="k">except</span> <span class="n">ParseError</span><span class="p">:</span> -</span><span id="L-340"><a href="#L-340"><span class="linenos">340</span></a> <span class="k">return</span> <span class="n">name</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="nb">str</span><span class="p">)</span> <span class="k">else</span> <span class="n">name</span><span class="o">.</span><span class="n">name</span> -</span><span id="L-341"><a href="#L-341"><span class="linenos">341</span></a> -</span><span id="L-342"><a href="#L-342"><span class="linenos">342</span></a> <span class="n">name</span> <span class="o">=</span> <span class="n">identifier</span><span class="o">.</span><span class="n">name</span> -</span><span id="L-343"><a href="#L-343"><span class="linenos">343</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">normalize</span><span class="p">:</span> -</span><span id="L-344"><a href="#L-344"><span class="linenos">344</span></a> <span class="k">return</span> <span class="n">name</span> -</span><span id="L-345"><a href="#L-345"><span class="linenos">345</span></a> -</span><span id="L-346"><a href="#L-346"><span class="linenos">346</span></a> <span class="c1"># This can be useful for normalize_identifier</span> -</span><span id="L-347"><a href="#L-347"><span class="linenos">347</span></a> <span class="n">identifier</span><span class="o">.</span><span class="n">meta</span><span class="p">[</span><span class="s2">"is_table"</span><span class="p">]</span> <span class="o">=</span> <span class="n">is_table</span> -</span><span id="L-348"><a href="#L-348"><span class="linenos">348</span></a> <span class="k">return</span> <span class="n">Dialect</span><span class="o">.</span><span class="n">get_or_raise</span><span class="p">(</span><span class="n">dialect</span><span class="p">)</span><span class="o">.</span><span class="n">normalize_identifier</span><span class="p">(</span><span class="n">identifier</span><span class="p">)</span><span class="o">.</span><span class="n">name</span> -</span><span id="L-349"><a href="#L-349"><span class="linenos">349</span></a> -</span><span id="L-350"><a href="#L-350"><span class="linenos">350</span></a> <span class="k">def</span> <span class="nf">_depth</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">int</span><span class="p">:</span> -</span><span id="L-351"><a href="#L-351"><span class="linenos">351</span></a> <span class="c1"># The columns themselves are a mapping, but we don't want to include those</span> -</span><span id="L-352"><a href="#L-352"><span class="linenos">352</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_depth</span><span class="p">()</span> <span class="o">-</span> <span class="mi">1</span> -</span><span id="L-353"><a href="#L-353"><span class="linenos">353</span></a> -</span><span id="L-354"><a href="#L-354"><span class="linenos">354</span></a> <span class="k">def</span> <span class="nf">_ensure_table</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">table</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span> <span class="o">|</span> <span class="nb">str</span><span class="p">,</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">:</span> -</span><span id="L-355"><a href="#L-355"><span class="linenos">355</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">maybe_parse</span><span class="p">(</span><span class="n">table</span><span class="p">,</span> <span class="n">into</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">dialect</span><span class="p">)</span> -</span><span id="L-356"><a href="#L-356"><span class="linenos">356</span></a> -</span><span id="L-357"><a href="#L-357"><span class="linenos">357</span></a> <span class="k">def</span> <span class="nf">_to_data_type</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">schema_type</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">:</span> -</span><span id="L-358"><a href="#L-358"><span class="linenos">358</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="L-359"><a href="#L-359"><span class="linenos">359</span></a><span class="sd"> Convert a type represented as a string to the corresponding `sqlglot.exp.DataType` object.</span> -</span><span id="L-360"><a href="#L-360"><span class="linenos">360</span></a> -</span><span id="L-361"><a href="#L-361"><span class="linenos">361</span></a><span class="sd"> Args:</span> -</span><span id="L-362"><a href="#L-362"><span class="linenos">362</span></a><span class="sd"> schema_type: the type we want to convert.</span> -</span><span id="L-363"><a href="#L-363"><span class="linenos">363</span></a><span class="sd"> dialect: the SQL dialect that will be used to parse `schema_type`, if needed.</span> -</span><span id="L-364"><a href="#L-364"><span class="linenos">364</span></a> -</span><span id="L-365"><a href="#L-365"><span class="linenos">365</span></a><span class="sd"> Returns:</span> -</span><span id="L-366"><a href="#L-366"><span class="linenos">366</span></a><span class="sd"> The resulting expression type.</span> -</span><span id="L-367"><a href="#L-367"><span class="linenos">367</span></a><span class="sd"> """</span> -</span><span id="L-368"><a href="#L-368"><span class="linenos">368</span></a> <span class="k">if</span> <span class="n">schema_type</span> <span class="ow">not</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_type_mapping_cache</span><span class="p">:</span> -</span><span id="L-369"><a href="#L-369"><span class="linenos">369</span></a> <span class="n">dialect</span> <span class="o">=</span> <span class="n">dialect</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">dialect</span> -</span><span id="L-370"><a href="#L-370"><span class="linenos">370</span></a> -</span><span id="L-371"><a href="#L-371"><span class="linenos">371</span></a> <span class="k">try</span><span class="p">:</span> -</span><span id="L-372"><a href="#L-372"><span class="linenos">372</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">build</span><span class="p">(</span><span class="n">schema_type</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span> -</span><span id="L-373"><a href="#L-373"><span class="linenos">373</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_type_mapping_cache</span><span class="p">[</span><span class="n">schema_type</span><span class="p">]</span> <span class="o">=</span> <span class="n">expression</span> -</span><span id="L-374"><a href="#L-374"><span class="linenos">374</span></a> <span class="k">except</span> <span class="ne">AttributeError</span><span class="p">:</span> -</span><span id="L-375"><a href="#L-375"><span class="linenos">375</span></a> <span class="n">in_dialect</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">" in dialect </span><span class="si">{</span><span class="n">dialect</span><span class="si">}</span><span class="s2">"</span> <span class="k">if</span> <span class="n">dialect</span> <span class="k">else</span> <span class="s2">""</span> -</span><span id="L-376"><a href="#L-376"><span class="linenos">376</span></a> <span class="k">raise</span> <span class="n">SchemaError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Failed to build type '</span><span class="si">{</span><span class="n">schema_type</span><span class="si">}</span><span class="s2">'</span><span class="si">{</span><span class="n">in_dialect</span><span class="si">}</span><span class="s2">."</span><span class="p">)</span> -</span><span id="L-377"><a href="#L-377"><span class="linenos">377</span></a> -</span><span id="L-378"><a href="#L-378"><span class="linenos">378</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_type_mapping_cache</span><span class="p">[</span><span class="n">schema_type</span><span class="p">]</span> +</span><span id="L-330"><a href="#L-330"><span class="linenos">330</span></a> <span class="k">def</span> <span class="nf">_normalize_name</span><span class="p">(</span> +</span><span id="L-331"><a href="#L-331"><span class="linenos">331</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">:</span> <span class="nb">str</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">,</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> <span class="n">is_table</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="L-332"><a href="#L-332"><span class="linenos">332</span></a> <span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="L-333"><a href="#L-333"><span class="linenos">333</span></a> <span class="n">dialect</span> <span class="o">=</span> <span class="n">dialect</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">dialect</span> +</span><span id="L-334"><a href="#L-334"><span class="linenos">334</span></a> +</span><span id="L-335"><a href="#L-335"><span class="linenos">335</span></a> <span class="k">try</span><span class="p">:</span> +</span><span id="L-336"><a href="#L-336"><span class="linenos">336</span></a> <span class="n">identifier</span> <span class="o">=</span> <span class="n">sqlglot</span><span class="o">.</span><span class="n">maybe_parse</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">,</span> <span class="n">into</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">)</span> +</span><span id="L-337"><a href="#L-337"><span class="linenos">337</span></a> <span class="k">except</span> <span class="n">ParseError</span><span class="p">:</span> +</span><span id="L-338"><a href="#L-338"><span class="linenos">338</span></a> <span class="k">return</span> <span class="n">name</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="nb">str</span><span class="p">)</span> <span class="k">else</span> <span class="n">name</span><span class="o">.</span><span class="n">name</span> +</span><span id="L-339"><a href="#L-339"><span class="linenos">339</span></a> +</span><span id="L-340"><a href="#L-340"><span class="linenos">340</span></a> <span class="n">name</span> <span class="o">=</span> <span class="n">identifier</span><span class="o">.</span><span class="n">name</span> +</span><span id="L-341"><a href="#L-341"><span class="linenos">341</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">normalize</span><span class="p">:</span> +</span><span id="L-342"><a href="#L-342"><span class="linenos">342</span></a> <span class="k">return</span> <span class="n">name</span> +</span><span id="L-343"><a href="#L-343"><span class="linenos">343</span></a> +</span><span id="L-344"><a href="#L-344"><span class="linenos">344</span></a> <span class="c1"># This can be useful for normalize_identifier</span> +</span><span id="L-345"><a href="#L-345"><span class="linenos">345</span></a> <span class="n">identifier</span><span class="o">.</span><span class="n">meta</span><span class="p">[</span><span class="s2">"is_table"</span><span class="p">]</span> <span class="o">=</span> <span class="n">is_table</span> +</span><span id="L-346"><a href="#L-346"><span class="linenos">346</span></a> <span class="k">return</span> <span class="n">Dialect</span><span class="o">.</span><span class="n">get_or_raise</span><span class="p">(</span><span class="n">dialect</span><span class="p">)</span><span class="o">.</span><span class="n">normalize_identifier</span><span class="p">(</span><span class="n">identifier</span><span class="p">)</span><span class="o">.</span><span class="n">name</span> +</span><span id="L-347"><a href="#L-347"><span class="linenos">347</span></a> +</span><span id="L-348"><a href="#L-348"><span class="linenos">348</span></a> <span class="k">def</span> <span class="nf">_depth</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">int</span><span class="p">:</span> +</span><span id="L-349"><a href="#L-349"><span class="linenos">349</span></a> <span class="c1"># The columns themselves are a mapping, but we don't want to include those</span> +</span><span id="L-350"><a href="#L-350"><span class="linenos">350</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_depth</span><span class="p">()</span> <span class="o">-</span> <span class="mi">1</span> +</span><span id="L-351"><a href="#L-351"><span class="linenos">351</span></a> +</span><span id="L-352"><a href="#L-352"><span class="linenos">352</span></a> <span class="k">def</span> <span class="nf">_to_data_type</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">schema_type</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">:</span> +</span><span id="L-353"><a href="#L-353"><span class="linenos">353</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="L-354"><a href="#L-354"><span class="linenos">354</span></a><span class="sd"> Convert a type represented as a string to the corresponding `sqlglot.exp.DataType` object.</span> +</span><span id="L-355"><a href="#L-355"><span class="linenos">355</span></a> +</span><span id="L-356"><a href="#L-356"><span class="linenos">356</span></a><span class="sd"> Args:</span> +</span><span id="L-357"><a href="#L-357"><span class="linenos">357</span></a><span class="sd"> schema_type: the type we want to convert.</span> +</span><span id="L-358"><a href="#L-358"><span class="linenos">358</span></a><span class="sd"> dialect: the SQL dialect that will be used to parse `schema_type`, if needed.</span> +</span><span id="L-359"><a href="#L-359"><span class="linenos">359</span></a> +</span><span id="L-360"><a href="#L-360"><span class="linenos">360</span></a><span class="sd"> Returns:</span> +</span><span id="L-361"><a href="#L-361"><span class="linenos">361</span></a><span class="sd"> The resulting expression type.</span> +</span><span id="L-362"><a href="#L-362"><span class="linenos">362</span></a><span class="sd"> """</span> +</span><span id="L-363"><a href="#L-363"><span class="linenos">363</span></a> <span class="k">if</span> <span class="n">schema_type</span> <span class="ow">not</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_type_mapping_cache</span><span class="p">:</span> +</span><span id="L-364"><a href="#L-364"><span class="linenos">364</span></a> <span class="n">dialect</span> <span class="o">=</span> <span class="n">dialect</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">dialect</span> +</span><span id="L-365"><a href="#L-365"><span class="linenos">365</span></a> +</span><span id="L-366"><a href="#L-366"><span class="linenos">366</span></a> <span class="k">try</span><span class="p">:</span> +</span><span id="L-367"><a href="#L-367"><span class="linenos">367</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">build</span><span class="p">(</span><span class="n">schema_type</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span> +</span><span id="L-368"><a href="#L-368"><span class="linenos">368</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_type_mapping_cache</span><span class="p">[</span><span class="n">schema_type</span><span class="p">]</span> <span class="o">=</span> <span class="n">expression</span> +</span><span id="L-369"><a href="#L-369"><span class="linenos">369</span></a> <span class="k">except</span> <span class="ne">AttributeError</span><span class="p">:</span> +</span><span id="L-370"><a href="#L-370"><span class="linenos">370</span></a> <span class="n">in_dialect</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">" in dialect </span><span class="si">{</span><span class="n">dialect</span><span class="si">}</span><span class="s2">"</span> <span class="k">if</span> <span class="n">dialect</span> <span class="k">else</span> <span class="s2">""</span> +</span><span id="L-371"><a href="#L-371"><span class="linenos">371</span></a> <span class="k">raise</span> <span class="n">SchemaError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Failed to build type '</span><span class="si">{</span><span class="n">schema_type</span><span class="si">}</span><span class="s2">'</span><span class="si">{</span><span class="n">in_dialect</span><span class="si">}</span><span class="s2">."</span><span class="p">)</span> +</span><span id="L-372"><a href="#L-372"><span class="linenos">372</span></a> +</span><span id="L-373"><a href="#L-373"><span class="linenos">373</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_type_mapping_cache</span><span class="p">[</span><span class="n">schema_type</span><span class="p">]</span> +</span><span id="L-374"><a href="#L-374"><span class="linenos">374</span></a> +</span><span id="L-375"><a href="#L-375"><span class="linenos">375</span></a> +</span><span id="L-376"><a href="#L-376"><span class="linenos">376</span></a><span class="k">def</span> <span class="nf">ensure_schema</span><span class="p">(</span><span class="n">schema</span><span class="p">:</span> <span class="n">Schema</span> <span class="o">|</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">],</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">)</span> <span class="o">-></span> <span class="n">Schema</span><span class="p">:</span> +</span><span id="L-377"><a href="#L-377"><span class="linenos">377</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">schema</span><span class="p">,</span> <span class="n">Schema</span><span class="p">):</span> +</span><span id="L-378"><a href="#L-378"><span class="linenos">378</span></a> <span class="k">return</span> <span class="n">schema</span> </span><span id="L-379"><a href="#L-379"><span class="linenos">379</span></a> -</span><span id="L-380"><a href="#L-380"><span class="linenos">380</span></a> -</span><span id="L-381"><a href="#L-381"><span class="linenos">381</span></a><span class="k">def</span> <span class="nf">ensure_schema</span><span class="p">(</span><span class="n">schema</span><span class="p">:</span> <span class="n">Schema</span> <span class="o">|</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">],</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">)</span> <span class="o">-></span> <span class="n">Schema</span><span class="p">:</span> -</span><span id="L-382"><a href="#L-382"><span class="linenos">382</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">schema</span><span class="p">,</span> <span class="n">Schema</span><span class="p">):</span> -</span><span id="L-383"><a href="#L-383"><span class="linenos">383</span></a> <span class="k">return</span> <span class="n">schema</span> -</span><span id="L-384"><a href="#L-384"><span class="linenos">384</span></a> -</span><span id="L-385"><a href="#L-385"><span class="linenos">385</span></a> <span class="k">return</span> <span class="n">MappingSchema</span><span class="p">(</span><span class="n">schema</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span> -</span><span id="L-386"><a href="#L-386"><span class="linenos">386</span></a> -</span><span id="L-387"><a href="#L-387"><span class="linenos">387</span></a> -</span><span id="L-388"><a href="#L-388"><span class="linenos">388</span></a><span class="k">def</span> <span class="nf">ensure_column_mapping</span><span class="p">(</span><span class="n">mapping</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">ColumnMapping</span><span class="p">])</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">:</span> -</span><span id="L-389"><a href="#L-389"><span class="linenos">389</span></a> <span class="k">if</span> <span class="n">mapping</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> -</span><span id="L-390"><a href="#L-390"><span class="linenos">390</span></a> <span class="k">return</span> <span class="p">{}</span> -</span><span id="L-391"><a href="#L-391"><span class="linenos">391</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">mapping</span><span class="p">,</span> <span class="nb">dict</span><span class="p">):</span> -</span><span id="L-392"><a href="#L-392"><span class="linenos">392</span></a> <span class="k">return</span> <span class="n">mapping</span> -</span><span id="L-393"><a href="#L-393"><span class="linenos">393</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">mapping</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span> -</span><span id="L-394"><a href="#L-394"><span class="linenos">394</span></a> <span class="n">col_name_type_strs</span> <span class="o">=</span> <span class="p">[</span><span class="n">x</span><span class="o">.</span><span class="n">strip</span><span class="p">()</span> <span class="k">for</span> <span class="n">x</span> <span class="ow">in</span> <span class="n">mapping</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s2">","</span><span class="p">)]</span> -</span><span id="L-395"><a href="#L-395"><span class="linenos">395</span></a> <span class="k">return</span> <span class="p">{</span> -</span><span id="L-396"><a href="#L-396"><span class="linenos">396</span></a> <span class="n">name_type_str</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s2">":"</span><span class="p">)[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">strip</span><span class="p">():</span> <span class="n">name_type_str</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s2">":"</span><span class="p">)[</span><span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">strip</span><span class="p">()</span> -</span><span id="L-397"><a href="#L-397"><span class="linenos">397</span></a> <span class="k">for</span> <span class="n">name_type_str</span> <span class="ow">in</span> <span class="n">col_name_type_strs</span> -</span><span id="L-398"><a href="#L-398"><span class="linenos">398</span></a> <span class="p">}</span> -</span><span id="L-399"><a href="#L-399"><span class="linenos">399</span></a> <span class="c1"># Check if mapping looks like a DataFrame StructType</span> -</span><span id="L-400"><a href="#L-400"><span class="linenos">400</span></a> <span class="k">elif</span> <span class="nb">hasattr</span><span class="p">(</span><span class="n">mapping</span><span class="p">,</span> <span class="s2">"simpleString"</span><span class="p">):</span> -</span><span id="L-401"><a href="#L-401"><span class="linenos">401</span></a> <span class="k">return</span> <span class="p">{</span><span class="n">struct_field</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">struct_field</span><span class="o">.</span><span class="n">dataType</span><span class="o">.</span><span class="n">simpleString</span><span class="p">()</span> <span class="k">for</span> <span class="n">struct_field</span> <span class="ow">in</span> <span class="n">mapping</span><span class="p">}</span> -</span><span id="L-402"><a href="#L-402"><span class="linenos">402</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">mapping</span><span class="p">,</span> <span class="nb">list</span><span class="p">):</span> -</span><span id="L-403"><a href="#L-403"><span class="linenos">403</span></a> <span class="k">return</span> <span class="p">{</span><span class="n">x</span><span class="o">.</span><span class="n">strip</span><span class="p">():</span> <span class="kc">None</span> <span class="k">for</span> <span class="n">x</span> <span class="ow">in</span> <span class="n">mapping</span><span class="p">}</span> -</span><span id="L-404"><a href="#L-404"><span class="linenos">404</span></a> -</span><span id="L-405"><a href="#L-405"><span class="linenos">405</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Invalid mapping provided: </span><span class="si">{</span><span class="nb">type</span><span class="p">(</span><span class="n">mapping</span><span class="p">)</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> -</span><span id="L-406"><a href="#L-406"><span class="linenos">406</span></a> -</span><span id="L-407"><a href="#L-407"><span class="linenos">407</span></a> -</span><span id="L-408"><a href="#L-408"><span class="linenos">408</span></a><span class="k">def</span> <span class="nf">flatten_schema</span><span class="p">(</span> -</span><span id="L-409"><a href="#L-409"><span class="linenos">409</span></a> <span class="n">schema</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">,</span> <span class="n">depth</span><span class="p">:</span> <span class="nb">int</span><span class="p">,</span> <span class="n">keys</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="L-410"><a href="#L-410"><span class="linenos">410</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]]:</span> -</span><span id="L-411"><a href="#L-411"><span class="linenos">411</span></a> <span class="n">tables</span> <span class="o">=</span> <span class="p">[]</span> -</span><span id="L-412"><a href="#L-412"><span class="linenos">412</span></a> <span class="n">keys</span> <span class="o">=</span> <span class="n">keys</span> <span class="ow">or</span> <span class="p">[]</span> -</span><span id="L-413"><a href="#L-413"><span class="linenos">413</span></a> -</span><span id="L-414"><a href="#L-414"><span class="linenos">414</span></a> <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">schema</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> -</span><span id="L-415"><a href="#L-415"><span class="linenos">415</span></a> <span class="k">if</span> <span class="n">depth</span> <span class="o">>=</span> <span class="mi">2</span><span class="p">:</span> -</span><span id="L-416"><a href="#L-416"><span class="linenos">416</span></a> <span class="n">tables</span><span class="o">.</span><span class="n">extend</span><span class="p">(</span><span class="n">flatten_schema</span><span class="p">(</span><span class="n">v</span><span class="p">,</span> <span class="n">depth</span> <span class="o">-</span> <span class="mi">1</span><span class="p">,</span> <span class="n">keys</span> <span class="o">+</span> <span class="p">[</span><span class="n">k</span><span class="p">]))</span> -</span><span id="L-417"><a href="#L-417"><span class="linenos">417</span></a> <span class="k">elif</span> <span class="n">depth</span> <span class="o">==</span> <span class="mi">1</span><span class="p">:</span> -</span><span id="L-418"><a href="#L-418"><span class="linenos">418</span></a> <span class="n">tables</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">keys</span> <span class="o">+</span> <span class="p">[</span><span class="n">k</span><span class="p">])</span> -</span><span id="L-419"><a href="#L-419"><span class="linenos">419</span></a> -</span><span id="L-420"><a href="#L-420"><span class="linenos">420</span></a> <span class="k">return</span> <span class="n">tables</span> -</span><span id="L-421"><a href="#L-421"><span class="linenos">421</span></a> -</span><span id="L-422"><a href="#L-422"><span class="linenos">422</span></a> -</span><span id="L-423"><a href="#L-423"><span class="linenos">423</span></a><span class="k">def</span> <span class="nf">nested_get</span><span class="p">(</span> -</span><span id="L-424"><a href="#L-424"><span class="linenos">424</span></a> <span class="n">d</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">,</span> <span class="o">*</span><span class="n">path</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Tuple</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">],</span> <span class="n">raise_on_missing</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span> -</span><span id="L-425"><a href="#L-425"><span class="linenos">425</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">]:</span> -</span><span id="L-426"><a href="#L-426"><span class="linenos">426</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="L-427"><a href="#L-427"><span class="linenos">427</span></a><span class="sd"> Get a value for a nested dictionary.</span> -</span><span id="L-428"><a href="#L-428"><span class="linenos">428</span></a> -</span><span id="L-429"><a href="#L-429"><span class="linenos">429</span></a><span class="sd"> Args:</span> -</span><span id="L-430"><a href="#L-430"><span class="linenos">430</span></a><span class="sd"> d: the dictionary to search.</span> -</span><span id="L-431"><a href="#L-431"><span class="linenos">431</span></a><span class="sd"> *path: tuples of (name, key), where:</span> -</span><span id="L-432"><a href="#L-432"><span class="linenos">432</span></a><span class="sd"> `key` is the key in the dictionary to get.</span> -</span><span id="L-433"><a href="#L-433"><span class="linenos">433</span></a><span class="sd"> `name` is a string to use in the error if `key` isn't found.</span> -</span><span id="L-434"><a href="#L-434"><span class="linenos">434</span></a> -</span><span id="L-435"><a href="#L-435"><span class="linenos">435</span></a><span class="sd"> Returns:</span> -</span><span id="L-436"><a href="#L-436"><span class="linenos">436</span></a><span class="sd"> The value or None if it doesn't exist.</span> -</span><span id="L-437"><a href="#L-437"><span class="linenos">437</span></a><span class="sd"> """</span> -</span><span id="L-438"><a href="#L-438"><span class="linenos">438</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">path</span><span class="p">:</span> -</span><span id="L-439"><a href="#L-439"><span class="linenos">439</span></a> <span class="n">d</span> <span class="o">=</span> <span class="n">d</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">key</span><span class="p">)</span> <span class="c1"># type: ignore</span> -</span><span id="L-440"><a href="#L-440"><span class="linenos">440</span></a> <span class="k">if</span> <span class="n">d</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> -</span><span id="L-441"><a href="#L-441"><span class="linenos">441</span></a> <span class="k">if</span> <span class="n">raise_on_missing</span><span class="p">:</span> -</span><span id="L-442"><a href="#L-442"><span class="linenos">442</span></a> <span class="n">name</span> <span class="o">=</span> <span class="s2">"table"</span> <span class="k">if</span> <span class="n">name</span> <span class="o">==</span> <span class="s2">"this"</span> <span class="k">else</span> <span class="n">name</span> -</span><span id="L-443"><a href="#L-443"><span class="linenos">443</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Unknown </span><span class="si">{</span><span class="n">name</span><span class="si">}</span><span class="s2">: </span><span class="si">{</span><span class="n">key</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> -</span><span id="L-444"><a href="#L-444"><span class="linenos">444</span></a> <span class="k">return</span> <span class="kc">None</span> -</span><span id="L-445"><a href="#L-445"><span class="linenos">445</span></a> -</span><span id="L-446"><a href="#L-446"><span class="linenos">446</span></a> <span class="k">return</span> <span class="n">d</span> +</span><span id="L-380"><a href="#L-380"><span class="linenos">380</span></a> <span class="k">return</span> <span class="n">MappingSchema</span><span class="p">(</span><span class="n">schema</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span> +</span><span id="L-381"><a href="#L-381"><span class="linenos">381</span></a> +</span><span id="L-382"><a href="#L-382"><span class="linenos">382</span></a> +</span><span id="L-383"><a href="#L-383"><span class="linenos">383</span></a><span class="k">def</span> <span class="nf">ensure_column_mapping</span><span class="p">(</span><span class="n">mapping</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">ColumnMapping</span><span class="p">])</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">:</span> +</span><span id="L-384"><a href="#L-384"><span class="linenos">384</span></a> <span class="k">if</span> <span class="n">mapping</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> +</span><span id="L-385"><a href="#L-385"><span class="linenos">385</span></a> <span class="k">return</span> <span class="p">{}</span> +</span><span id="L-386"><a href="#L-386"><span class="linenos">386</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">mapping</span><span class="p">,</span> <span class="nb">dict</span><span class="p">):</span> +</span><span id="L-387"><a href="#L-387"><span class="linenos">387</span></a> <span class="k">return</span> <span class="n">mapping</span> +</span><span id="L-388"><a href="#L-388"><span class="linenos">388</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">mapping</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span> +</span><span id="L-389"><a href="#L-389"><span class="linenos">389</span></a> <span class="n">col_name_type_strs</span> <span class="o">=</span> <span class="p">[</span><span class="n">x</span><span class="o">.</span><span class="n">strip</span><span class="p">()</span> <span class="k">for</span> <span class="n">x</span> <span class="ow">in</span> <span class="n">mapping</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s2">","</span><span class="p">)]</span> +</span><span id="L-390"><a href="#L-390"><span class="linenos">390</span></a> <span class="k">return</span> <span class="p">{</span> +</span><span id="L-391"><a href="#L-391"><span class="linenos">391</span></a> <span class="n">name_type_str</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s2">":"</span><span class="p">)[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">strip</span><span class="p">():</span> <span class="n">name_type_str</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s2">":"</span><span class="p">)[</span><span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">strip</span><span class="p">()</span> +</span><span id="L-392"><a href="#L-392"><span class="linenos">392</span></a> <span class="k">for</span> <span class="n">name_type_str</span> <span class="ow">in</span> <span class="n">col_name_type_strs</span> +</span><span id="L-393"><a href="#L-393"><span class="linenos">393</span></a> <span class="p">}</span> +</span><span id="L-394"><a href="#L-394"><span class="linenos">394</span></a> <span class="c1"># Check if mapping looks like a DataFrame StructType</span> +</span><span id="L-395"><a href="#L-395"><span class="linenos">395</span></a> <span class="k">elif</span> <span class="nb">hasattr</span><span class="p">(</span><span class="n">mapping</span><span class="p">,</span> <span class="s2">"simpleString"</span><span class="p">):</span> +</span><span id="L-396"><a href="#L-396"><span class="linenos">396</span></a> <span class="k">return</span> <span class="p">{</span><span class="n">struct_field</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">struct_field</span><span class="o">.</span><span class="n">dataType</span><span class="o">.</span><span class="n">simpleString</span><span class="p">()</span> <span class="k">for</span> <span class="n">struct_field</span> <span class="ow">in</span> <span class="n">mapping</span><span class="p">}</span> +</span><span id="L-397"><a href="#L-397"><span class="linenos">397</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">mapping</span><span class="p">,</span> <span class="nb">list</span><span class="p">):</span> +</span><span id="L-398"><a href="#L-398"><span class="linenos">398</span></a> <span class="k">return</span> <span class="p">{</span><span class="n">x</span><span class="o">.</span><span class="n">strip</span><span class="p">():</span> <span class="kc">None</span> <span class="k">for</span> <span class="n">x</span> <span class="ow">in</span> <span class="n">mapping</span><span class="p">}</span> +</span><span id="L-399"><a href="#L-399"><span class="linenos">399</span></a> +</span><span id="L-400"><a href="#L-400"><span class="linenos">400</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Invalid mapping provided: </span><span class="si">{</span><span class="nb">type</span><span class="p">(</span><span class="n">mapping</span><span class="p">)</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> +</span><span id="L-401"><a href="#L-401"><span class="linenos">401</span></a> +</span><span id="L-402"><a href="#L-402"><span class="linenos">402</span></a> +</span><span id="L-403"><a href="#L-403"><span class="linenos">403</span></a><span class="k">def</span> <span class="nf">flatten_schema</span><span class="p">(</span> +</span><span id="L-404"><a href="#L-404"><span class="linenos">404</span></a> <span class="n">schema</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">,</span> <span class="n">depth</span><span class="p">:</span> <span class="nb">int</span><span class="p">,</span> <span class="n">keys</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="L-405"><a href="#L-405"><span class="linenos">405</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]]:</span> +</span><span id="L-406"><a href="#L-406"><span class="linenos">406</span></a> <span class="n">tables</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="L-407"><a href="#L-407"><span class="linenos">407</span></a> <span class="n">keys</span> <span class="o">=</span> <span class="n">keys</span> <span class="ow">or</span> <span class="p">[]</span> +</span><span id="L-408"><a href="#L-408"><span class="linenos">408</span></a> +</span><span id="L-409"><a href="#L-409"><span class="linenos">409</span></a> <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">schema</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> +</span><span id="L-410"><a href="#L-410"><span class="linenos">410</span></a> <span class="k">if</span> <span class="n">depth</span> <span class="o">>=</span> <span class="mi">2</span><span class="p">:</span> +</span><span id="L-411"><a href="#L-411"><span class="linenos">411</span></a> <span class="n">tables</span><span class="o">.</span><span class="n">extend</span><span class="p">(</span><span class="n">flatten_schema</span><span class="p">(</span><span class="n">v</span><span class="p">,</span> <span class="n">depth</span> <span class="o">-</span> <span class="mi">1</span><span class="p">,</span> <span class="n">keys</span> <span class="o">+</span> <span class="p">[</span><span class="n">k</span><span class="p">]))</span> +</span><span id="L-412"><a href="#L-412"><span class="linenos">412</span></a> <span class="k">elif</span> <span class="n">depth</span> <span class="o">==</span> <span class="mi">1</span><span class="p">:</span> +</span><span id="L-413"><a href="#L-413"><span class="linenos">413</span></a> <span class="n">tables</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">keys</span> <span class="o">+</span> <span class="p">[</span><span class="n">k</span><span class="p">])</span> +</span><span id="L-414"><a href="#L-414"><span class="linenos">414</span></a> +</span><span id="L-415"><a href="#L-415"><span class="linenos">415</span></a> <span class="k">return</span> <span class="n">tables</span> +</span><span id="L-416"><a href="#L-416"><span class="linenos">416</span></a> +</span><span id="L-417"><a href="#L-417"><span class="linenos">417</span></a> +</span><span id="L-418"><a href="#L-418"><span class="linenos">418</span></a><span class="k">def</span> <span class="nf">nested_get</span><span class="p">(</span> +</span><span id="L-419"><a href="#L-419"><span class="linenos">419</span></a> <span class="n">d</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">,</span> <span class="o">*</span><span class="n">path</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Tuple</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">],</span> <span class="n">raise_on_missing</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span> +</span><span id="L-420"><a href="#L-420"><span class="linenos">420</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">]:</span> +</span><span id="L-421"><a href="#L-421"><span class="linenos">421</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="L-422"><a href="#L-422"><span class="linenos">422</span></a><span class="sd"> Get a value for a nested dictionary.</span> +</span><span id="L-423"><a href="#L-423"><span class="linenos">423</span></a> +</span><span id="L-424"><a href="#L-424"><span class="linenos">424</span></a><span class="sd"> Args:</span> +</span><span id="L-425"><a href="#L-425"><span class="linenos">425</span></a><span class="sd"> d: the dictionary to search.</span> +</span><span id="L-426"><a href="#L-426"><span class="linenos">426</span></a><span class="sd"> *path: tuples of (name, key), where:</span> +</span><span id="L-427"><a href="#L-427"><span class="linenos">427</span></a><span class="sd"> `key` is the key in the dictionary to get.</span> +</span><span id="L-428"><a href="#L-428"><span class="linenos">428</span></a><span class="sd"> `name` is a string to use in the error if `key` isn't found.</span> +</span><span id="L-429"><a href="#L-429"><span class="linenos">429</span></a> +</span><span id="L-430"><a href="#L-430"><span class="linenos">430</span></a><span class="sd"> Returns:</span> +</span><span id="L-431"><a href="#L-431"><span class="linenos">431</span></a><span class="sd"> The value or None if it doesn't exist.</span> +</span><span id="L-432"><a href="#L-432"><span class="linenos">432</span></a><span class="sd"> """</span> +</span><span id="L-433"><a href="#L-433"><span class="linenos">433</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">path</span><span class="p">:</span> +</span><span id="L-434"><a href="#L-434"><span class="linenos">434</span></a> <span class="n">d</span> <span class="o">=</span> <span class="n">d</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">key</span><span class="p">)</span> <span class="c1"># type: ignore</span> +</span><span id="L-435"><a href="#L-435"><span class="linenos">435</span></a> <span class="k">if</span> <span class="n">d</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> +</span><span id="L-436"><a href="#L-436"><span class="linenos">436</span></a> <span class="k">if</span> <span class="n">raise_on_missing</span><span class="p">:</span> +</span><span id="L-437"><a href="#L-437"><span class="linenos">437</span></a> <span class="n">name</span> <span class="o">=</span> <span class="s2">"table"</span> <span class="k">if</span> <span class="n">name</span> <span class="o">==</span> <span class="s2">"this"</span> <span class="k">else</span> <span class="n">name</span> +</span><span id="L-438"><a href="#L-438"><span class="linenos">438</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Unknown </span><span class="si">{</span><span class="n">name</span><span class="si">}</span><span class="s2">: </span><span class="si">{</span><span class="n">key</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> +</span><span id="L-439"><a href="#L-439"><span class="linenos">439</span></a> <span class="k">return</span> <span class="kc">None</span> +</span><span id="L-440"><a href="#L-440"><span class="linenos">440</span></a> +</span><span id="L-441"><a href="#L-441"><span class="linenos">441</span></a> <span class="k">return</span> <span class="n">d</span> +</span><span id="L-442"><a href="#L-442"><span class="linenos">442</span></a> +</span><span id="L-443"><a href="#L-443"><span class="linenos">443</span></a> +</span><span id="L-444"><a href="#L-444"><span class="linenos">444</span></a><span class="k">def</span> <span class="nf">nested_set</span><span class="p">(</span><span class="n">d</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">,</span> <span class="n">keys</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Sequence</span><span class="p">[</span><span class="nb">str</span><span class="p">],</span> <span class="n">value</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">:</span> +</span><span id="L-445"><a href="#L-445"><span class="linenos">445</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="L-446"><a href="#L-446"><span class="linenos">446</span></a><span class="sd"> In-place set a value for a nested dictionary</span> </span><span id="L-447"><a href="#L-447"><span class="linenos">447</span></a> -</span><span id="L-448"><a href="#L-448"><span class="linenos">448</span></a> -</span><span id="L-449"><a href="#L-449"><span class="linenos">449</span></a><span class="k">def</span> <span class="nf">nested_set</span><span class="p">(</span><span class="n">d</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">,</span> <span class="n">keys</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Sequence</span><span class="p">[</span><span class="nb">str</span><span class="p">],</span> <span class="n">value</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">:</span> -</span><span id="L-450"><a href="#L-450"><span class="linenos">450</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="L-451"><a href="#L-451"><span class="linenos">451</span></a><span class="sd"> In-place set a value for a nested dictionary</span> -</span><span id="L-452"><a href="#L-452"><span class="linenos">452</span></a> -</span><span id="L-453"><a href="#L-453"><span class="linenos">453</span></a><span class="sd"> Example:</span> -</span><span id="L-454"><a href="#L-454"><span class="linenos">454</span></a><span class="sd"> >>> nested_set({}, ["top_key", "second_key"], "value")</span> -</span><span id="L-455"><a href="#L-455"><span class="linenos">455</span></a><span class="sd"> {'top_key': {'second_key': 'value'}}</span> -</span><span id="L-456"><a href="#L-456"><span class="linenos">456</span></a> -</span><span id="L-457"><a href="#L-457"><span class="linenos">457</span></a><span class="sd"> >>> nested_set({"top_key": {"third_key": "third_value"}}, ["top_key", "second_key"], "value")</span> -</span><span id="L-458"><a href="#L-458"><span class="linenos">458</span></a><span class="sd"> {'top_key': {'third_key': 'third_value', 'second_key': 'value'}}</span> +</span><span id="L-448"><a href="#L-448"><span class="linenos">448</span></a><span class="sd"> Example:</span> +</span><span id="L-449"><a href="#L-449"><span class="linenos">449</span></a><span class="sd"> >>> nested_set({}, ["top_key", "second_key"], "value")</span> +</span><span id="L-450"><a href="#L-450"><span class="linenos">450</span></a><span class="sd"> {'top_key': {'second_key': 'value'}}</span> +</span><span id="L-451"><a href="#L-451"><span class="linenos">451</span></a> +</span><span id="L-452"><a href="#L-452"><span class="linenos">452</span></a><span class="sd"> >>> nested_set({"top_key": {"third_key": "third_value"}}, ["top_key", "second_key"], "value")</span> +</span><span id="L-453"><a href="#L-453"><span class="linenos">453</span></a><span class="sd"> {'top_key': {'third_key': 'third_value', 'second_key': 'value'}}</span> +</span><span id="L-454"><a href="#L-454"><span class="linenos">454</span></a> +</span><span id="L-455"><a href="#L-455"><span class="linenos">455</span></a><span class="sd"> Args:</span> +</span><span id="L-456"><a href="#L-456"><span class="linenos">456</span></a><span class="sd"> d: dictionary to update.</span> +</span><span id="L-457"><a href="#L-457"><span class="linenos">457</span></a><span class="sd"> keys: the keys that makeup the path to `value`.</span> +</span><span id="L-458"><a href="#L-458"><span class="linenos">458</span></a><span class="sd"> value: the value to set in the dictionary for the given key path.</span> </span><span id="L-459"><a href="#L-459"><span class="linenos">459</span></a> -</span><span id="L-460"><a href="#L-460"><span class="linenos">460</span></a><span class="sd"> Args:</span> -</span><span id="L-461"><a href="#L-461"><span class="linenos">461</span></a><span class="sd"> d: dictionary to update.</span> -</span><span id="L-462"><a href="#L-462"><span class="linenos">462</span></a><span class="sd"> keys: the keys that makeup the path to `value`.</span> -</span><span id="L-463"><a href="#L-463"><span class="linenos">463</span></a><span class="sd"> value: the value to set in the dictionary for the given key path.</span> -</span><span id="L-464"><a href="#L-464"><span class="linenos">464</span></a> -</span><span id="L-465"><a href="#L-465"><span class="linenos">465</span></a><span class="sd"> Returns:</span> -</span><span id="L-466"><a href="#L-466"><span class="linenos">466</span></a><span class="sd"> The (possibly) updated dictionary.</span> -</span><span id="L-467"><a href="#L-467"><span class="linenos">467</span></a><span class="sd"> """</span> -</span><span id="L-468"><a href="#L-468"><span class="linenos">468</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">keys</span><span class="p">:</span> -</span><span id="L-469"><a href="#L-469"><span class="linenos">469</span></a> <span class="k">return</span> <span class="n">d</span> -</span><span id="L-470"><a href="#L-470"><span class="linenos">470</span></a> -</span><span id="L-471"><a href="#L-471"><span class="linenos">471</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">keys</span><span class="p">)</span> <span class="o">==</span> <span class="mi">1</span><span class="p">:</span> -</span><span id="L-472"><a href="#L-472"><span class="linenos">472</span></a> <span class="n">d</span><span class="p">[</span><span class="n">keys</span><span class="p">[</span><span class="mi">0</span><span class="p">]]</span> <span class="o">=</span> <span class="n">value</span> -</span><span id="L-473"><a href="#L-473"><span class="linenos">473</span></a> <span class="k">return</span> <span class="n">d</span> -</span><span id="L-474"><a href="#L-474"><span class="linenos">474</span></a> -</span><span id="L-475"><a href="#L-475"><span class="linenos">475</span></a> <span class="n">subd</span> <span class="o">=</span> <span class="n">d</span> -</span><span id="L-476"><a href="#L-476"><span class="linenos">476</span></a> <span class="k">for</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">keys</span><span class="p">[:</span><span class="o">-</span><span class="mi">1</span><span class="p">]:</span> -</span><span id="L-477"><a href="#L-477"><span class="linenos">477</span></a> <span class="k">if</span> <span class="n">key</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">subd</span><span class="p">:</span> -</span><span id="L-478"><a href="#L-478"><span class="linenos">478</span></a> <span class="n">subd</span> <span class="o">=</span> <span class="n">subd</span><span class="o">.</span><span class="n">setdefault</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="p">{})</span> -</span><span id="L-479"><a href="#L-479"><span class="linenos">479</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="L-480"><a href="#L-480"><span class="linenos">480</span></a> <span class="n">subd</span> <span class="o">=</span> <span class="n">subd</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> -</span><span id="L-481"><a href="#L-481"><span class="linenos">481</span></a> -</span><span id="L-482"><a href="#L-482"><span class="linenos">482</span></a> <span class="n">subd</span><span class="p">[</span><span class="n">keys</span><span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">]]</span> <span class="o">=</span> <span class="n">value</span> -</span><span id="L-483"><a href="#L-483"><span class="linenos">483</span></a> <span class="k">return</span> <span class="n">d</span> +</span><span id="L-460"><a href="#L-460"><span class="linenos">460</span></a><span class="sd"> Returns:</span> +</span><span id="L-461"><a href="#L-461"><span class="linenos">461</span></a><span class="sd"> The (possibly) updated dictionary.</span> +</span><span id="L-462"><a href="#L-462"><span class="linenos">462</span></a><span class="sd"> """</span> +</span><span id="L-463"><a href="#L-463"><span class="linenos">463</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">keys</span><span class="p">:</span> +</span><span id="L-464"><a href="#L-464"><span class="linenos">464</span></a> <span class="k">return</span> <span class="n">d</span> +</span><span id="L-465"><a href="#L-465"><span class="linenos">465</span></a> +</span><span id="L-466"><a href="#L-466"><span class="linenos">466</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">keys</span><span class="p">)</span> <span class="o">==</span> <span class="mi">1</span><span class="p">:</span> +</span><span id="L-467"><a href="#L-467"><span class="linenos">467</span></a> <span class="n">d</span><span class="p">[</span><span class="n">keys</span><span class="p">[</span><span class="mi">0</span><span class="p">]]</span> <span class="o">=</span> <span class="n">value</span> +</span><span id="L-468"><a href="#L-468"><span class="linenos">468</span></a> <span class="k">return</span> <span class="n">d</span> +</span><span id="L-469"><a href="#L-469"><span class="linenos">469</span></a> +</span><span id="L-470"><a href="#L-470"><span class="linenos">470</span></a> <span class="n">subd</span> <span class="o">=</span> <span class="n">d</span> +</span><span id="L-471"><a href="#L-471"><span class="linenos">471</span></a> <span class="k">for</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">keys</span><span class="p">[:</span><span class="o">-</span><span class="mi">1</span><span class="p">]:</span> +</span><span id="L-472"><a href="#L-472"><span class="linenos">472</span></a> <span class="k">if</span> <span class="n">key</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">subd</span><span class="p">:</span> +</span><span id="L-473"><a href="#L-473"><span class="linenos">473</span></a> <span class="n">subd</span> <span class="o">=</span> <span class="n">subd</span><span class="o">.</span><span class="n">setdefault</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="p">{})</span> +</span><span id="L-474"><a href="#L-474"><span class="linenos">474</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="L-475"><a href="#L-475"><span class="linenos">475</span></a> <span class="n">subd</span> <span class="o">=</span> <span class="n">subd</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> +</span><span id="L-476"><a href="#L-476"><span class="linenos">476</span></a> +</span><span id="L-477"><a href="#L-477"><span class="linenos">477</span></a> <span class="n">subd</span><span class="p">[</span><span class="n">keys</span><span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">]]</span> <span class="o">=</span> <span class="n">value</span> +</span><span id="L-478"><a href="#L-478"><span class="linenos">478</span></a> <span class="k">return</span> <span class="n">d</span> </span></pre></div> @@ -1250,156 +1245,151 @@ For example, a generic mapping type might be defined as::</p> </span><span id="MappingSchema-227"><a href="#MappingSchema-227"><span class="linenos">227</span></a><span class="sd"> column_mapping: a column mapping that describes the structure of the table.</span> </span><span id="MappingSchema-228"><a href="#MappingSchema-228"><span class="linenos">228</span></a><span class="sd"> dialect: the SQL dialect that will be used to parse `table` if it's a string.</span> </span><span id="MappingSchema-229"><a href="#MappingSchema-229"><span class="linenos">229</span></a><span class="sd"> """</span> -</span><span id="MappingSchema-230"><a href="#MappingSchema-230"><span class="linenos">230</span></a> <span class="n">normalized_table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_normalize_table</span><span class="p">(</span> -</span><span id="MappingSchema-231"><a href="#MappingSchema-231"><span class="linenos">231</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_ensure_table</span><span class="p">(</span><span class="n">table</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">),</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span> -</span><span id="MappingSchema-232"><a href="#MappingSchema-232"><span class="linenos">232</span></a> <span class="p">)</span> -</span><span id="MappingSchema-233"><a href="#MappingSchema-233"><span class="linenos">233</span></a> <span class="n">normalized_column_mapping</span> <span class="o">=</span> <span class="p">{</span> -</span><span id="MappingSchema-234"><a href="#MappingSchema-234"><span class="linenos">234</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_normalize_name</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">):</span> <span class="n">value</span> -</span><span id="MappingSchema-235"><a href="#MappingSchema-235"><span class="linenos">235</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">value</span> <span class="ow">in</span> <span class="n">ensure_column_mapping</span><span class="p">(</span><span class="n">column_mapping</span><span class="p">)</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> -</span><span id="MappingSchema-236"><a href="#MappingSchema-236"><span class="linenos">236</span></a> <span class="p">}</span> -</span><span id="MappingSchema-237"><a href="#MappingSchema-237"><span class="linenos">237</span></a> -</span><span id="MappingSchema-238"><a href="#MappingSchema-238"><span class="linenos">238</span></a> <span class="n">schema</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">normalized_table</span><span class="p">,</span> <span class="n">raise_on_missing</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> -</span><span id="MappingSchema-239"><a href="#MappingSchema-239"><span class="linenos">239</span></a> <span class="k">if</span> <span class="n">schema</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">normalized_column_mapping</span><span class="p">:</span> -</span><span id="MappingSchema-240"><a href="#MappingSchema-240"><span class="linenos">240</span></a> <span class="k">return</span> -</span><span id="MappingSchema-241"><a href="#MappingSchema-241"><span class="linenos">241</span></a> -</span><span id="MappingSchema-242"><a href="#MappingSchema-242"><span class="linenos">242</span></a> <span class="n">parts</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">table_parts</span><span class="p">(</span><span class="n">normalized_table</span><span class="p">)</span> -</span><span id="MappingSchema-243"><a href="#MappingSchema-243"><span class="linenos">243</span></a> -</span><span id="MappingSchema-244"><a href="#MappingSchema-244"><span class="linenos">244</span></a> <span class="n">nested_set</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">mapping</span><span class="p">,</span> <span class="nb">tuple</span><span class="p">(</span><span class="nb">reversed</span><span class="p">(</span><span class="n">parts</span><span class="p">)),</span> <span class="n">normalized_column_mapping</span><span class="p">)</span> -</span><span id="MappingSchema-245"><a href="#MappingSchema-245"><span class="linenos">245</span></a> <span class="n">new_trie</span><span class="p">([</span><span class="n">parts</span><span class="p">],</span> <span class="bp">self</span><span class="o">.</span><span class="n">mapping_trie</span><span class="p">)</span> -</span><span id="MappingSchema-246"><a href="#MappingSchema-246"><span class="linenos">246</span></a> -</span><span id="MappingSchema-247"><a href="#MappingSchema-247"><span class="linenos">247</span></a> <span class="k">def</span> <span class="nf">column_names</span><span class="p">(</span> -</span><span id="MappingSchema-248"><a href="#MappingSchema-248"><span class="linenos">248</span></a> <span class="bp">self</span><span class="p">,</span> -</span><span id="MappingSchema-249"><a href="#MappingSchema-249"><span class="linenos">249</span></a> <span class="n">table</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span> <span class="o">|</span> <span class="nb">str</span><span class="p">,</span> -</span><span id="MappingSchema-250"><a href="#MappingSchema-250"><span class="linenos">250</span></a> <span class="n">only_visible</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> -</span><span id="MappingSchema-251"><a href="#MappingSchema-251"><span class="linenos">251</span></a> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> -</span><span id="MappingSchema-252"><a href="#MappingSchema-252"><span class="linenos">252</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> -</span><span id="MappingSchema-253"><a href="#MappingSchema-253"><span class="linenos">253</span></a> <span class="n">normalized_table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_normalize_table</span><span class="p">(</span> -</span><span id="MappingSchema-254"><a href="#MappingSchema-254"><span class="linenos">254</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_ensure_table</span><span class="p">(</span><span class="n">table</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">),</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span> -</span><span id="MappingSchema-255"><a href="#MappingSchema-255"><span class="linenos">255</span></a> <span class="p">)</span> -</span><span id="MappingSchema-256"><a href="#MappingSchema-256"><span class="linenos">256</span></a> -</span><span id="MappingSchema-257"><a href="#MappingSchema-257"><span class="linenos">257</span></a> <span class="n">schema</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">normalized_table</span><span class="p">)</span> -</span><span id="MappingSchema-258"><a href="#MappingSchema-258"><span class="linenos">258</span></a> <span class="k">if</span> <span class="n">schema</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> -</span><span id="MappingSchema-259"><a href="#MappingSchema-259"><span class="linenos">259</span></a> <span class="k">return</span> <span class="p">[]</span> +</span><span id="MappingSchema-230"><a href="#MappingSchema-230"><span class="linenos">230</span></a> <span class="n">normalized_table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_normalize_table</span><span class="p">(</span><span class="n">table</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span> +</span><span id="MappingSchema-231"><a href="#MappingSchema-231"><span class="linenos">231</span></a> +</span><span id="MappingSchema-232"><a href="#MappingSchema-232"><span class="linenos">232</span></a> <span class="n">normalized_column_mapping</span> <span class="o">=</span> <span class="p">{</span> +</span><span id="MappingSchema-233"><a href="#MappingSchema-233"><span class="linenos">233</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_normalize_name</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">):</span> <span class="n">value</span> +</span><span id="MappingSchema-234"><a href="#MappingSchema-234"><span class="linenos">234</span></a> <span class="k">for</span> <span class="n">key</span><span class="p">,</span> <span class="n">value</span> <span class="ow">in</span> <span class="n">ensure_column_mapping</span><span class="p">(</span><span class="n">column_mapping</span><span class="p">)</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> +</span><span id="MappingSchema-235"><a href="#MappingSchema-235"><span class="linenos">235</span></a> <span class="p">}</span> +</span><span id="MappingSchema-236"><a href="#MappingSchema-236"><span class="linenos">236</span></a> +</span><span id="MappingSchema-237"><a href="#MappingSchema-237"><span class="linenos">237</span></a> <span class="n">schema</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">normalized_table</span><span class="p">,</span> <span class="n">raise_on_missing</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> +</span><span id="MappingSchema-238"><a href="#MappingSchema-238"><span class="linenos">238</span></a> <span class="k">if</span> <span class="n">schema</span> <span class="ow">and</span> <span class="ow">not</span> <span class="n">normalized_column_mapping</span><span class="p">:</span> +</span><span id="MappingSchema-239"><a href="#MappingSchema-239"><span class="linenos">239</span></a> <span class="k">return</span> +</span><span id="MappingSchema-240"><a href="#MappingSchema-240"><span class="linenos">240</span></a> +</span><span id="MappingSchema-241"><a href="#MappingSchema-241"><span class="linenos">241</span></a> <span class="n">parts</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">table_parts</span><span class="p">(</span><span class="n">normalized_table</span><span class="p">)</span> +</span><span id="MappingSchema-242"><a href="#MappingSchema-242"><span class="linenos">242</span></a> +</span><span id="MappingSchema-243"><a href="#MappingSchema-243"><span class="linenos">243</span></a> <span class="n">nested_set</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">mapping</span><span class="p">,</span> <span class="nb">tuple</span><span class="p">(</span><span class="nb">reversed</span><span class="p">(</span><span class="n">parts</span><span class="p">)),</span> <span class="n">normalized_column_mapping</span><span class="p">)</span> +</span><span id="MappingSchema-244"><a href="#MappingSchema-244"><span class="linenos">244</span></a> <span class="n">new_trie</span><span class="p">([</span><span class="n">parts</span><span class="p">],</span> <span class="bp">self</span><span class="o">.</span><span class="n">mapping_trie</span><span class="p">)</span> +</span><span id="MappingSchema-245"><a href="#MappingSchema-245"><span class="linenos">245</span></a> +</span><span id="MappingSchema-246"><a href="#MappingSchema-246"><span class="linenos">246</span></a> <span class="k">def</span> <span class="nf">column_names</span><span class="p">(</span> +</span><span id="MappingSchema-247"><a href="#MappingSchema-247"><span class="linenos">247</span></a> <span class="bp">self</span><span class="p">,</span> +</span><span id="MappingSchema-248"><a href="#MappingSchema-248"><span class="linenos">248</span></a> <span class="n">table</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span> <span class="o">|</span> <span class="nb">str</span><span class="p">,</span> +</span><span id="MappingSchema-249"><a href="#MappingSchema-249"><span class="linenos">249</span></a> <span class="n">only_visible</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span><span class="p">,</span> +</span><span id="MappingSchema-250"><a href="#MappingSchema-250"><span class="linenos">250</span></a> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="MappingSchema-251"><a href="#MappingSchema-251"><span class="linenos">251</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]:</span> +</span><span id="MappingSchema-252"><a href="#MappingSchema-252"><span class="linenos">252</span></a> <span class="n">normalized_table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_normalize_table</span><span class="p">(</span><span class="n">table</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span> +</span><span id="MappingSchema-253"><a href="#MappingSchema-253"><span class="linenos">253</span></a> +</span><span id="MappingSchema-254"><a href="#MappingSchema-254"><span class="linenos">254</span></a> <span class="n">schema</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">normalized_table</span><span class="p">)</span> +</span><span id="MappingSchema-255"><a href="#MappingSchema-255"><span class="linenos">255</span></a> <span class="k">if</span> <span class="n">schema</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> +</span><span id="MappingSchema-256"><a href="#MappingSchema-256"><span class="linenos">256</span></a> <span class="k">return</span> <span class="p">[]</span> +</span><span id="MappingSchema-257"><a href="#MappingSchema-257"><span class="linenos">257</span></a> +</span><span id="MappingSchema-258"><a href="#MappingSchema-258"><span class="linenos">258</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">only_visible</span> <span class="ow">or</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">visible</span><span class="p">:</span> +</span><span id="MappingSchema-259"><a href="#MappingSchema-259"><span class="linenos">259</span></a> <span class="k">return</span> <span class="nb">list</span><span class="p">(</span><span class="n">schema</span><span class="p">)</span> </span><span id="MappingSchema-260"><a href="#MappingSchema-260"><span class="linenos">260</span></a> -</span><span id="MappingSchema-261"><a href="#MappingSchema-261"><span class="linenos">261</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">only_visible</span> <span class="ow">or</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">visible</span><span class="p">:</span> -</span><span id="MappingSchema-262"><a href="#MappingSchema-262"><span class="linenos">262</span></a> <span class="k">return</span> <span class="nb">list</span><span class="p">(</span><span class="n">schema</span><span class="p">)</span> +</span><span id="MappingSchema-261"><a href="#MappingSchema-261"><span class="linenos">261</span></a> <span class="n">visible</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">nested_get</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">table_parts</span><span class="p">(</span><span class="n">normalized_table</span><span class="p">),</span> <span class="bp">self</span><span class="o">.</span><span class="n">visible</span><span class="p">)</span> <span class="ow">or</span> <span class="p">[]</span> +</span><span id="MappingSchema-262"><a href="#MappingSchema-262"><span class="linenos">262</span></a> <span class="k">return</span> <span class="p">[</span><span class="n">col</span> <span class="k">for</span> <span class="n">col</span> <span class="ow">in</span> <span class="n">schema</span> <span class="k">if</span> <span class="n">col</span> <span class="ow">in</span> <span class="n">visible</span><span class="p">]</span> </span><span id="MappingSchema-263"><a href="#MappingSchema-263"><span class="linenos">263</span></a> -</span><span id="MappingSchema-264"><a href="#MappingSchema-264"><span class="linenos">264</span></a> <span class="n">visible</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">nested_get</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">table_parts</span><span class="p">(</span><span class="n">normalized_table</span><span class="p">),</span> <span class="bp">self</span><span class="o">.</span><span class="n">visible</span><span class="p">)</span> <span class="ow">or</span> <span class="p">[]</span> -</span><span id="MappingSchema-265"><a href="#MappingSchema-265"><span class="linenos">265</span></a> <span class="k">return</span> <span class="p">[</span><span class="n">col</span> <span class="k">for</span> <span class="n">col</span> <span class="ow">in</span> <span class="n">schema</span> <span class="k">if</span> <span class="n">col</span> <span class="ow">in</span> <span class="n">visible</span><span class="p">]</span> -</span><span id="MappingSchema-266"><a href="#MappingSchema-266"><span class="linenos">266</span></a> -</span><span id="MappingSchema-267"><a href="#MappingSchema-267"><span class="linenos">267</span></a> <span class="k">def</span> <span class="nf">get_column_type</span><span class="p">(</span> -</span><span id="MappingSchema-268"><a href="#MappingSchema-268"><span class="linenos">268</span></a> <span class="bp">self</span><span class="p">,</span> -</span><span id="MappingSchema-269"><a href="#MappingSchema-269"><span class="linenos">269</span></a> <span class="n">table</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span> <span class="o">|</span> <span class="nb">str</span><span class="p">,</span> -</span><span id="MappingSchema-270"><a href="#MappingSchema-270"><span class="linenos">270</span></a> <span class="n">column</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">,</span> -</span><span id="MappingSchema-271"><a href="#MappingSchema-271"><span class="linenos">271</span></a> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> -</span><span id="MappingSchema-272"><a href="#MappingSchema-272"><span class="linenos">272</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">:</span> -</span><span id="MappingSchema-273"><a href="#MappingSchema-273"><span class="linenos">273</span></a> <span class="n">normalized_table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_normalize_table</span><span class="p">(</span> -</span><span id="MappingSchema-274"><a href="#MappingSchema-274"><span class="linenos">274</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_ensure_table</span><span class="p">(</span><span class="n">table</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">),</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span> -</span><span id="MappingSchema-275"><a href="#MappingSchema-275"><span class="linenos">275</span></a> <span class="p">)</span> -</span><span id="MappingSchema-276"><a href="#MappingSchema-276"><span class="linenos">276</span></a> <span class="n">normalized_column_name</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_normalize_name</span><span class="p">(</span> -</span><span id="MappingSchema-277"><a href="#MappingSchema-277"><span class="linenos">277</span></a> <span class="n">column</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">column</span><span class="p">,</span> <span class="nb">str</span><span class="p">)</span> <span class="k">else</span> <span class="n">column</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span> -</span><span id="MappingSchema-278"><a href="#MappingSchema-278"><span class="linenos">278</span></a> <span class="p">)</span> +</span><span id="MappingSchema-264"><a href="#MappingSchema-264"><span class="linenos">264</span></a> <span class="k">def</span> <span class="nf">get_column_type</span><span class="p">(</span> +</span><span id="MappingSchema-265"><a href="#MappingSchema-265"><span class="linenos">265</span></a> <span class="bp">self</span><span class="p">,</span> +</span><span id="MappingSchema-266"><a href="#MappingSchema-266"><span class="linenos">266</span></a> <span class="n">table</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span> <span class="o">|</span> <span class="nb">str</span><span class="p">,</span> +</span><span id="MappingSchema-267"><a href="#MappingSchema-267"><span class="linenos">267</span></a> <span class="n">column</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Column</span><span class="p">,</span> +</span><span id="MappingSchema-268"><a href="#MappingSchema-268"><span class="linenos">268</span></a> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> +</span><span id="MappingSchema-269"><a href="#MappingSchema-269"><span class="linenos">269</span></a> <span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">:</span> +</span><span id="MappingSchema-270"><a href="#MappingSchema-270"><span class="linenos">270</span></a> <span class="n">normalized_table</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_normalize_table</span><span class="p">(</span><span class="n">table</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span> +</span><span id="MappingSchema-271"><a href="#MappingSchema-271"><span class="linenos">271</span></a> +</span><span id="MappingSchema-272"><a href="#MappingSchema-272"><span class="linenos">272</span></a> <span class="n">normalized_column_name</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">_normalize_name</span><span class="p">(</span> +</span><span id="MappingSchema-273"><a href="#MappingSchema-273"><span class="linenos">273</span></a> <span class="n">column</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">column</span><span class="p">,</span> <span class="nb">str</span><span class="p">)</span> <span class="k">else</span> <span class="n">column</span><span class="o">.</span><span class="n">this</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span> +</span><span id="MappingSchema-274"><a href="#MappingSchema-274"><span class="linenos">274</span></a> <span class="p">)</span> +</span><span id="MappingSchema-275"><a href="#MappingSchema-275"><span class="linenos">275</span></a> +</span><span id="MappingSchema-276"><a href="#MappingSchema-276"><span class="linenos">276</span></a> <span class="n">table_schema</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">normalized_table</span><span class="p">,</span> <span class="n">raise_on_missing</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> +</span><span id="MappingSchema-277"><a href="#MappingSchema-277"><span class="linenos">277</span></a> <span class="k">if</span> <span class="n">table_schema</span><span class="p">:</span> +</span><span id="MappingSchema-278"><a href="#MappingSchema-278"><span class="linenos">278</span></a> <span class="n">column_type</span> <span class="o">=</span> <span class="n">table_schema</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">normalized_column_name</span><span class="p">)</span> </span><span id="MappingSchema-279"><a href="#MappingSchema-279"><span class="linenos">279</span></a> -</span><span id="MappingSchema-280"><a href="#MappingSchema-280"><span class="linenos">280</span></a> <span class="n">table_schema</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">find</span><span class="p">(</span><span class="n">normalized_table</span><span class="p">,</span> <span class="n">raise_on_missing</span><span class="o">=</span><span class="kc">False</span><span class="p">)</span> -</span><span id="MappingSchema-281"><a href="#MappingSchema-281"><span class="linenos">281</span></a> <span class="k">if</span> <span class="n">table_schema</span><span class="p">:</span> -</span><span id="MappingSchema-282"><a href="#MappingSchema-282"><span class="linenos">282</span></a> <span class="n">column_type</span> <span class="o">=</span> <span class="n">table_schema</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">normalized_column_name</span><span class="p">)</span> -</span><span id="MappingSchema-283"><a href="#MappingSchema-283"><span class="linenos">283</span></a> -</span><span id="MappingSchema-284"><a href="#MappingSchema-284"><span class="linenos">284</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">column_type</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">):</span> -</span><span id="MappingSchema-285"><a href="#MappingSchema-285"><span class="linenos">285</span></a> <span class="k">return</span> <span class="n">column_type</span> -</span><span id="MappingSchema-286"><a href="#MappingSchema-286"><span class="linenos">286</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">column_type</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span> -</span><span id="MappingSchema-287"><a href="#MappingSchema-287"><span class="linenos">287</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_to_data_type</span><span class="p">(</span><span class="n">column_type</span><span class="o">.</span><span class="n">upper</span><span class="p">(),</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span> -</span><span id="MappingSchema-288"><a href="#MappingSchema-288"><span class="linenos">288</span></a> -</span><span id="MappingSchema-289"><a href="#MappingSchema-289"><span class="linenos">289</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">build</span><span class="p">(</span><span class="s2">"unknown"</span><span class="p">)</span> +</span><span id="MappingSchema-280"><a href="#MappingSchema-280"><span class="linenos">280</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">column_type</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">):</span> +</span><span id="MappingSchema-281"><a href="#MappingSchema-281"><span class="linenos">281</span></a> <span class="k">return</span> <span class="n">column_type</span> +</span><span id="MappingSchema-282"><a href="#MappingSchema-282"><span class="linenos">282</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">column_type</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span> +</span><span id="MappingSchema-283"><a href="#MappingSchema-283"><span class="linenos">283</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_to_data_type</span><span class="p">(</span><span class="n">column_type</span><span class="o">.</span><span class="n">upper</span><span class="p">(),</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span> +</span><span id="MappingSchema-284"><a href="#MappingSchema-284"><span class="linenos">284</span></a> +</span><span id="MappingSchema-285"><a href="#MappingSchema-285"><span class="linenos">285</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">build</span><span class="p">(</span><span class="s2">"unknown"</span><span class="p">)</span> +</span><span id="MappingSchema-286"><a href="#MappingSchema-286"><span class="linenos">286</span></a> +</span><span id="MappingSchema-287"><a href="#MappingSchema-287"><span class="linenos">287</span></a> <span class="k">def</span> <span class="nf">_normalize</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">schema</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">:</span> +</span><span id="MappingSchema-288"><a href="#MappingSchema-288"><span class="linenos">288</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="MappingSchema-289"><a href="#MappingSchema-289"><span class="linenos">289</span></a><span class="sd"> Normalizes all identifiers in the schema.</span> </span><span id="MappingSchema-290"><a href="#MappingSchema-290"><span class="linenos">290</span></a> -</span><span id="MappingSchema-291"><a href="#MappingSchema-291"><span class="linenos">291</span></a> <span class="k">def</span> <span class="nf">_normalize</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">schema</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">:</span> -</span><span id="MappingSchema-292"><a href="#MappingSchema-292"><span class="linenos">292</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="MappingSchema-293"><a href="#MappingSchema-293"><span class="linenos">293</span></a><span class="sd"> Normalizes all identifiers in the schema.</span> -</span><span id="MappingSchema-294"><a href="#MappingSchema-294"><span class="linenos">294</span></a> -</span><span id="MappingSchema-295"><a href="#MappingSchema-295"><span class="linenos">295</span></a><span class="sd"> Args:</span> -</span><span id="MappingSchema-296"><a href="#MappingSchema-296"><span class="linenos">296</span></a><span class="sd"> schema: the schema to normalize.</span> -</span><span id="MappingSchema-297"><a href="#MappingSchema-297"><span class="linenos">297</span></a> -</span><span id="MappingSchema-298"><a href="#MappingSchema-298"><span class="linenos">298</span></a><span class="sd"> Returns:</span> -</span><span id="MappingSchema-299"><a href="#MappingSchema-299"><span class="linenos">299</span></a><span class="sd"> The normalized schema mapping.</span> -</span><span id="MappingSchema-300"><a href="#MappingSchema-300"><span class="linenos">300</span></a><span class="sd"> """</span> -</span><span id="MappingSchema-301"><a href="#MappingSchema-301"><span class="linenos">301</span></a> <span class="n">flattened_schema</span> <span class="o">=</span> <span class="n">flatten_schema</span><span class="p">(</span><span class="n">schema</span><span class="p">,</span> <span class="n">depth</span><span class="o">=</span><span class="n">dict_depth</span><span class="p">(</span><span class="n">schema</span><span class="p">)</span> <span class="o">-</span> <span class="mi">1</span><span class="p">)</span> -</span><span id="MappingSchema-302"><a href="#MappingSchema-302"><span class="linenos">302</span></a> -</span><span id="MappingSchema-303"><a href="#MappingSchema-303"><span class="linenos">303</span></a> <span class="n">normalized_mapping</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span> <span class="o">=</span> <span class="p">{}</span> -</span><span id="MappingSchema-304"><a href="#MappingSchema-304"><span class="linenos">304</span></a> <span class="k">for</span> <span class="n">keys</span> <span class="ow">in</span> <span class="n">flattened_schema</span><span class="p">:</span> -</span><span id="MappingSchema-305"><a href="#MappingSchema-305"><span class="linenos">305</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="n">nested_get</span><span class="p">(</span><span class="n">schema</span><span class="p">,</span> <span class="o">*</span><span class="nb">zip</span><span class="p">(</span><span class="n">keys</span><span class="p">,</span> <span class="n">keys</span><span class="p">))</span> -</span><span id="MappingSchema-306"><a href="#MappingSchema-306"><span class="linenos">306</span></a> <span class="k">assert</span> <span class="n">columns</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span> -</span><span id="MappingSchema-307"><a href="#MappingSchema-307"><span class="linenos">307</span></a> -</span><span id="MappingSchema-308"><a href="#MappingSchema-308"><span class="linenos">308</span></a> <span class="n">normalized_keys</span> <span class="o">=</span> <span class="p">[</span> -</span><span id="MappingSchema-309"><a href="#MappingSchema-309"><span class="linenos">309</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_normalize_name</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">dialect</span><span class="p">,</span> <span class="n">is_table</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span> <span class="k">for</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">keys</span> -</span><span id="MappingSchema-310"><a href="#MappingSchema-310"><span class="linenos">310</span></a> <span class="p">]</span> -</span><span id="MappingSchema-311"><a href="#MappingSchema-311"><span class="linenos">311</span></a> <span class="k">for</span> <span class="n">column_name</span><span class="p">,</span> <span class="n">column_type</span> <span class="ow">in</span> <span class="n">columns</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> -</span><span id="MappingSchema-312"><a href="#MappingSchema-312"><span class="linenos">312</span></a> <span class="n">nested_set</span><span class="p">(</span> -</span><span id="MappingSchema-313"><a href="#MappingSchema-313"><span class="linenos">313</span></a> <span class="n">normalized_mapping</span><span class="p">,</span> -</span><span id="MappingSchema-314"><a href="#MappingSchema-314"><span class="linenos">314</span></a> <span class="n">normalized_keys</span> <span class="o">+</span> <span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">_normalize_name</span><span class="p">(</span><span class="n">column_name</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">dialect</span><span class="p">)],</span> -</span><span id="MappingSchema-315"><a href="#MappingSchema-315"><span class="linenos">315</span></a> <span class="n">column_type</span><span class="p">,</span> -</span><span id="MappingSchema-316"><a href="#MappingSchema-316"><span class="linenos">316</span></a> <span class="p">)</span> -</span><span id="MappingSchema-317"><a href="#MappingSchema-317"><span class="linenos">317</span></a> -</span><span id="MappingSchema-318"><a href="#MappingSchema-318"><span class="linenos">318</span></a> <span class="k">return</span> <span class="n">normalized_mapping</span> -</span><span id="MappingSchema-319"><a href="#MappingSchema-319"><span class="linenos">319</span></a> -</span><span id="MappingSchema-320"><a href="#MappingSchema-320"><span class="linenos">320</span></a> <span class="k">def</span> <span class="nf">_normalize_table</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">table</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">,</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">:</span> -</span><span id="MappingSchema-321"><a href="#MappingSchema-321"><span class="linenos">321</span></a> <span class="n">normalized_table</span> <span class="o">=</span> <span class="n">table</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span> -</span><span id="MappingSchema-322"><a href="#MappingSchema-322"><span class="linenos">322</span></a> -</span><span id="MappingSchema-323"><a href="#MappingSchema-323"><span class="linenos">323</span></a> <span class="k">for</span> <span class="n">arg</span> <span class="ow">in</span> <span class="n">TABLE_ARGS</span><span class="p">:</span> -</span><span id="MappingSchema-324"><a href="#MappingSchema-324"><span class="linenos">324</span></a> <span class="n">value</span> <span class="o">=</span> <span class="n">normalized_table</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">arg</span><span class="p">)</span> -</span><span id="MappingSchema-325"><a href="#MappingSchema-325"><span class="linenos">325</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="p">(</span><span class="nb">str</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">)):</span> -</span><span id="MappingSchema-326"><a href="#MappingSchema-326"><span class="linenos">326</span></a> <span class="n">normalized_table</span><span class="o">.</span><span class="n">set</span><span class="p">(</span> -</span><span id="MappingSchema-327"><a href="#MappingSchema-327"><span class="linenos">327</span></a> <span class="n">arg</span><span class="p">,</span> -</span><span id="MappingSchema-328"><a href="#MappingSchema-328"><span class="linenos">328</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_normalize_name</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">,</span> <span class="n">is_table</span><span class="o">=</span><span class="kc">True</span><span class="p">)),</span> -</span><span id="MappingSchema-329"><a href="#MappingSchema-329"><span class="linenos">329</span></a> <span class="p">)</span> +</span><span id="MappingSchema-291"><a href="#MappingSchema-291"><span class="linenos">291</span></a><span class="sd"> Args:</span> +</span><span id="MappingSchema-292"><a href="#MappingSchema-292"><span class="linenos">292</span></a><span class="sd"> schema: the schema to normalize.</span> +</span><span id="MappingSchema-293"><a href="#MappingSchema-293"><span class="linenos">293</span></a> +</span><span id="MappingSchema-294"><a href="#MappingSchema-294"><span class="linenos">294</span></a><span class="sd"> Returns:</span> +</span><span id="MappingSchema-295"><a href="#MappingSchema-295"><span class="linenos">295</span></a><span class="sd"> The normalized schema mapping.</span> +</span><span id="MappingSchema-296"><a href="#MappingSchema-296"><span class="linenos">296</span></a><span class="sd"> """</span> +</span><span id="MappingSchema-297"><a href="#MappingSchema-297"><span class="linenos">297</span></a> <span class="n">flattened_schema</span> <span class="o">=</span> <span class="n">flatten_schema</span><span class="p">(</span><span class="n">schema</span><span class="p">,</span> <span class="n">depth</span><span class="o">=</span><span class="n">dict_depth</span><span class="p">(</span><span class="n">schema</span><span class="p">)</span> <span class="o">-</span> <span class="mi">1</span><span class="p">)</span> +</span><span id="MappingSchema-298"><a href="#MappingSchema-298"><span class="linenos">298</span></a> +</span><span id="MappingSchema-299"><a href="#MappingSchema-299"><span class="linenos">299</span></a> <span class="n">normalized_mapping</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span> <span class="o">=</span> <span class="p">{}</span> +</span><span id="MappingSchema-300"><a href="#MappingSchema-300"><span class="linenos">300</span></a> <span class="k">for</span> <span class="n">keys</span> <span class="ow">in</span> <span class="n">flattened_schema</span><span class="p">:</span> +</span><span id="MappingSchema-301"><a href="#MappingSchema-301"><span class="linenos">301</span></a> <span class="n">columns</span> <span class="o">=</span> <span class="n">nested_get</span><span class="p">(</span><span class="n">schema</span><span class="p">,</span> <span class="o">*</span><span class="nb">zip</span><span class="p">(</span><span class="n">keys</span><span class="p">,</span> <span class="n">keys</span><span class="p">))</span> +</span><span id="MappingSchema-302"><a href="#MappingSchema-302"><span class="linenos">302</span></a> <span class="k">assert</span> <span class="n">columns</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span> +</span><span id="MappingSchema-303"><a href="#MappingSchema-303"><span class="linenos">303</span></a> +</span><span id="MappingSchema-304"><a href="#MappingSchema-304"><span class="linenos">304</span></a> <span class="n">normalized_keys</span> <span class="o">=</span> <span class="p">[</span> +</span><span id="MappingSchema-305"><a href="#MappingSchema-305"><span class="linenos">305</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_normalize_name</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">dialect</span><span class="p">,</span> <span class="n">is_table</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span> <span class="k">for</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">keys</span> +</span><span id="MappingSchema-306"><a href="#MappingSchema-306"><span class="linenos">306</span></a> <span class="p">]</span> +</span><span id="MappingSchema-307"><a href="#MappingSchema-307"><span class="linenos">307</span></a> <span class="k">for</span> <span class="n">column_name</span><span class="p">,</span> <span class="n">column_type</span> <span class="ow">in</span> <span class="n">columns</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> +</span><span id="MappingSchema-308"><a href="#MappingSchema-308"><span class="linenos">308</span></a> <span class="n">nested_set</span><span class="p">(</span> +</span><span id="MappingSchema-309"><a href="#MappingSchema-309"><span class="linenos">309</span></a> <span class="n">normalized_mapping</span><span class="p">,</span> +</span><span id="MappingSchema-310"><a href="#MappingSchema-310"><span class="linenos">310</span></a> <span class="n">normalized_keys</span> <span class="o">+</span> <span class="p">[</span><span class="bp">self</span><span class="o">.</span><span class="n">_normalize_name</span><span class="p">(</span><span class="n">column_name</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="bp">self</span><span class="o">.</span><span class="n">dialect</span><span class="p">)],</span> +</span><span id="MappingSchema-311"><a href="#MappingSchema-311"><span class="linenos">311</span></a> <span class="n">column_type</span><span class="p">,</span> +</span><span id="MappingSchema-312"><a href="#MappingSchema-312"><span class="linenos">312</span></a> <span class="p">)</span> +</span><span id="MappingSchema-313"><a href="#MappingSchema-313"><span class="linenos">313</span></a> +</span><span id="MappingSchema-314"><a href="#MappingSchema-314"><span class="linenos">314</span></a> <span class="k">return</span> <span class="n">normalized_mapping</span> +</span><span id="MappingSchema-315"><a href="#MappingSchema-315"><span class="linenos">315</span></a> +</span><span id="MappingSchema-316"><a href="#MappingSchema-316"><span class="linenos">316</span></a> <span class="k">def</span> <span class="nf">_normalize_table</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">table</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span> <span class="o">|</span> <span class="nb">str</span><span class="p">,</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">:</span> +</span><span id="MappingSchema-317"><a href="#MappingSchema-317"><span class="linenos">317</span></a> <span class="n">normalized_table</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">maybe_parse</span><span class="p">(</span> +</span><span id="MappingSchema-318"><a href="#MappingSchema-318"><span class="linenos">318</span></a> <span class="n">table</span><span class="p">,</span> <span class="n">into</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">dialect</span><span class="p">,</span> <span class="n">copy</span><span class="o">=</span><span class="kc">True</span> +</span><span id="MappingSchema-319"><a href="#MappingSchema-319"><span class="linenos">319</span></a> <span class="p">)</span> +</span><span id="MappingSchema-320"><a href="#MappingSchema-320"><span class="linenos">320</span></a> +</span><span id="MappingSchema-321"><a href="#MappingSchema-321"><span class="linenos">321</span></a> <span class="k">for</span> <span class="n">arg</span> <span class="ow">in</span> <span class="n">TABLE_ARGS</span><span class="p">:</span> +</span><span id="MappingSchema-322"><a href="#MappingSchema-322"><span class="linenos">322</span></a> <span class="n">value</span> <span class="o">=</span> <span class="n">normalized_table</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">arg</span><span class="p">)</span> +</span><span id="MappingSchema-323"><a href="#MappingSchema-323"><span class="linenos">323</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="p">(</span><span class="nb">str</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">)):</span> +</span><span id="MappingSchema-324"><a href="#MappingSchema-324"><span class="linenos">324</span></a> <span class="n">normalized_table</span><span class="o">.</span><span class="n">set</span><span class="p">(</span> +</span><span id="MappingSchema-325"><a href="#MappingSchema-325"><span class="linenos">325</span></a> <span class="n">arg</span><span class="p">,</span> +</span><span id="MappingSchema-326"><a href="#MappingSchema-326"><span class="linenos">326</span></a> <span class="n">exp</span><span class="o">.</span><span class="n">to_identifier</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_normalize_name</span><span class="p">(</span><span class="n">value</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">,</span> <span class="n">is_table</span><span class="o">=</span><span class="kc">True</span><span class="p">)),</span> +</span><span id="MappingSchema-327"><a href="#MappingSchema-327"><span class="linenos">327</span></a> <span class="p">)</span> +</span><span id="MappingSchema-328"><a href="#MappingSchema-328"><span class="linenos">328</span></a> +</span><span id="MappingSchema-329"><a href="#MappingSchema-329"><span class="linenos">329</span></a> <span class="k">return</span> <span class="n">normalized_table</span> </span><span id="MappingSchema-330"><a href="#MappingSchema-330"><span class="linenos">330</span></a> -</span><span id="MappingSchema-331"><a href="#MappingSchema-331"><span class="linenos">331</span></a> <span class="k">return</span> <span class="n">normalized_table</span> -</span><span id="MappingSchema-332"><a href="#MappingSchema-332"><span class="linenos">332</span></a> -</span><span id="MappingSchema-333"><a href="#MappingSchema-333"><span class="linenos">333</span></a> <span class="k">def</span> <span class="nf">_normalize_name</span><span class="p">(</span> -</span><span id="MappingSchema-334"><a href="#MappingSchema-334"><span class="linenos">334</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">:</span> <span class="nb">str</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">,</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> <span class="n">is_table</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span> -</span><span id="MappingSchema-335"><a href="#MappingSchema-335"><span class="linenos">335</span></a> <span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> -</span><span id="MappingSchema-336"><a href="#MappingSchema-336"><span class="linenos">336</span></a> <span class="n">dialect</span> <span class="o">=</span> <span class="n">dialect</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">dialect</span> -</span><span id="MappingSchema-337"><a href="#MappingSchema-337"><span class="linenos">337</span></a> -</span><span id="MappingSchema-338"><a href="#MappingSchema-338"><span class="linenos">338</span></a> <span class="k">try</span><span class="p">:</span> -</span><span id="MappingSchema-339"><a href="#MappingSchema-339"><span class="linenos">339</span></a> <span class="n">identifier</span> <span class="o">=</span> <span class="n">sqlglot</span><span class="o">.</span><span class="n">maybe_parse</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">,</span> <span class="n">into</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">)</span> -</span><span id="MappingSchema-340"><a href="#MappingSchema-340"><span class="linenos">340</span></a> <span class="k">except</span> <span class="n">ParseError</span><span class="p">:</span> -</span><span id="MappingSchema-341"><a href="#MappingSchema-341"><span class="linenos">341</span></a> <span class="k">return</span> <span class="n">name</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="nb">str</span><span class="p">)</span> <span class="k">else</span> <span class="n">name</span><span class="o">.</span><span class="n">name</span> -</span><span id="MappingSchema-342"><a href="#MappingSchema-342"><span class="linenos">342</span></a> -</span><span id="MappingSchema-343"><a href="#MappingSchema-343"><span class="linenos">343</span></a> <span class="n">name</span> <span class="o">=</span> <span class="n">identifier</span><span class="o">.</span><span class="n">name</span> -</span><span id="MappingSchema-344"><a href="#MappingSchema-344"><span class="linenos">344</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">normalize</span><span class="p">:</span> -</span><span id="MappingSchema-345"><a href="#MappingSchema-345"><span class="linenos">345</span></a> <span class="k">return</span> <span class="n">name</span> -</span><span id="MappingSchema-346"><a href="#MappingSchema-346"><span class="linenos">346</span></a> -</span><span id="MappingSchema-347"><a href="#MappingSchema-347"><span class="linenos">347</span></a> <span class="c1"># This can be useful for normalize_identifier</span> -</span><span id="MappingSchema-348"><a href="#MappingSchema-348"><span class="linenos">348</span></a> <span class="n">identifier</span><span class="o">.</span><span class="n">meta</span><span class="p">[</span><span class="s2">"is_table"</span><span class="p">]</span> <span class="o">=</span> <span class="n">is_table</span> -</span><span id="MappingSchema-349"><a href="#MappingSchema-349"><span class="linenos">349</span></a> <span class="k">return</span> <span class="n">Dialect</span><span class="o">.</span><span class="n">get_or_raise</span><span class="p">(</span><span class="n">dialect</span><span class="p">)</span><span class="o">.</span><span class="n">normalize_identifier</span><span class="p">(</span><span class="n">identifier</span><span class="p">)</span><span class="o">.</span><span class="n">name</span> -</span><span id="MappingSchema-350"><a href="#MappingSchema-350"><span class="linenos">350</span></a> -</span><span id="MappingSchema-351"><a href="#MappingSchema-351"><span class="linenos">351</span></a> <span class="k">def</span> <span class="nf">_depth</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">int</span><span class="p">:</span> -</span><span id="MappingSchema-352"><a href="#MappingSchema-352"><span class="linenos">352</span></a> <span class="c1"># The columns themselves are a mapping, but we don't want to include those</span> -</span><span id="MappingSchema-353"><a href="#MappingSchema-353"><span class="linenos">353</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_depth</span><span class="p">()</span> <span class="o">-</span> <span class="mi">1</span> -</span><span id="MappingSchema-354"><a href="#MappingSchema-354"><span class="linenos">354</span></a> -</span><span id="MappingSchema-355"><a href="#MappingSchema-355"><span class="linenos">355</span></a> <span class="k">def</span> <span class="nf">_ensure_table</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">table</span><span class="p">:</span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span> <span class="o">|</span> <span class="nb">str</span><span class="p">,</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">:</span> -</span><span id="MappingSchema-356"><a href="#MappingSchema-356"><span class="linenos">356</span></a> <span class="k">return</span> <span class="n">exp</span><span class="o">.</span><span class="n">maybe_parse</span><span class="p">(</span><span class="n">table</span><span class="p">,</span> <span class="n">into</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Table</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">dialect</span><span class="p">)</span> -</span><span id="MappingSchema-357"><a href="#MappingSchema-357"><span class="linenos">357</span></a> -</span><span id="MappingSchema-358"><a href="#MappingSchema-358"><span class="linenos">358</span></a> <span class="k">def</span> <span class="nf">_to_data_type</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">schema_type</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">:</span> -</span><span id="MappingSchema-359"><a href="#MappingSchema-359"><span class="linenos">359</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="MappingSchema-360"><a href="#MappingSchema-360"><span class="linenos">360</span></a><span class="sd"> Convert a type represented as a string to the corresponding `sqlglot.exp.DataType` object.</span> -</span><span id="MappingSchema-361"><a href="#MappingSchema-361"><span class="linenos">361</span></a> -</span><span id="MappingSchema-362"><a href="#MappingSchema-362"><span class="linenos">362</span></a><span class="sd"> Args:</span> -</span><span id="MappingSchema-363"><a href="#MappingSchema-363"><span class="linenos">363</span></a><span class="sd"> schema_type: the type we want to convert.</span> -</span><span id="MappingSchema-364"><a href="#MappingSchema-364"><span class="linenos">364</span></a><span class="sd"> dialect: the SQL dialect that will be used to parse `schema_type`, if needed.</span> -</span><span id="MappingSchema-365"><a href="#MappingSchema-365"><span class="linenos">365</span></a> -</span><span id="MappingSchema-366"><a href="#MappingSchema-366"><span class="linenos">366</span></a><span class="sd"> Returns:</span> -</span><span id="MappingSchema-367"><a href="#MappingSchema-367"><span class="linenos">367</span></a><span class="sd"> The resulting expression type.</span> -</span><span id="MappingSchema-368"><a href="#MappingSchema-368"><span class="linenos">368</span></a><span class="sd"> """</span> -</span><span id="MappingSchema-369"><a href="#MappingSchema-369"><span class="linenos">369</span></a> <span class="k">if</span> <span class="n">schema_type</span> <span class="ow">not</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_type_mapping_cache</span><span class="p">:</span> -</span><span id="MappingSchema-370"><a href="#MappingSchema-370"><span class="linenos">370</span></a> <span class="n">dialect</span> <span class="o">=</span> <span class="n">dialect</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">dialect</span> -</span><span id="MappingSchema-371"><a href="#MappingSchema-371"><span class="linenos">371</span></a> -</span><span id="MappingSchema-372"><a href="#MappingSchema-372"><span class="linenos">372</span></a> <span class="k">try</span><span class="p">:</span> -</span><span id="MappingSchema-373"><a href="#MappingSchema-373"><span class="linenos">373</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">build</span><span class="p">(</span><span class="n">schema_type</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span> -</span><span id="MappingSchema-374"><a href="#MappingSchema-374"><span class="linenos">374</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_type_mapping_cache</span><span class="p">[</span><span class="n">schema_type</span><span class="p">]</span> <span class="o">=</span> <span class="n">expression</span> -</span><span id="MappingSchema-375"><a href="#MappingSchema-375"><span class="linenos">375</span></a> <span class="k">except</span> <span class="ne">AttributeError</span><span class="p">:</span> -</span><span id="MappingSchema-376"><a href="#MappingSchema-376"><span class="linenos">376</span></a> <span class="n">in_dialect</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">" in dialect </span><span class="si">{</span><span class="n">dialect</span><span class="si">}</span><span class="s2">"</span> <span class="k">if</span> <span class="n">dialect</span> <span class="k">else</span> <span class="s2">""</span> -</span><span id="MappingSchema-377"><a href="#MappingSchema-377"><span class="linenos">377</span></a> <span class="k">raise</span> <span class="n">SchemaError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Failed to build type '</span><span class="si">{</span><span class="n">schema_type</span><span class="si">}</span><span class="s2">'</span><span class="si">{</span><span class="n">in_dialect</span><span class="si">}</span><span class="s2">."</span><span class="p">)</span> -</span><span id="MappingSchema-378"><a href="#MappingSchema-378"><span class="linenos">378</span></a> -</span><span id="MappingSchema-379"><a href="#MappingSchema-379"><span class="linenos">379</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_type_mapping_cache</span><span class="p">[</span><span class="n">schema_type</span><span class="p">]</span> +</span><span id="MappingSchema-331"><a href="#MappingSchema-331"><span class="linenos">331</span></a> <span class="k">def</span> <span class="nf">_normalize_name</span><span class="p">(</span> +</span><span id="MappingSchema-332"><a href="#MappingSchema-332"><span class="linenos">332</span></a> <span class="bp">self</span><span class="p">,</span> <span class="n">name</span><span class="p">:</span> <span class="nb">str</span> <span class="o">|</span> <span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">,</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">,</span> <span class="n">is_table</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">False</span> +</span><span id="MappingSchema-333"><a href="#MappingSchema-333"><span class="linenos">333</span></a> <span class="p">)</span> <span class="o">-></span> <span class="nb">str</span><span class="p">:</span> +</span><span id="MappingSchema-334"><a href="#MappingSchema-334"><span class="linenos">334</span></a> <span class="n">dialect</span> <span class="o">=</span> <span class="n">dialect</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">dialect</span> +</span><span id="MappingSchema-335"><a href="#MappingSchema-335"><span class="linenos">335</span></a> +</span><span id="MappingSchema-336"><a href="#MappingSchema-336"><span class="linenos">336</span></a> <span class="k">try</span><span class="p">:</span> +</span><span id="MappingSchema-337"><a href="#MappingSchema-337"><span class="linenos">337</span></a> <span class="n">identifier</span> <span class="o">=</span> <span class="n">sqlglot</span><span class="o">.</span><span class="n">maybe_parse</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">,</span> <span class="n">into</span><span class="o">=</span><span class="n">exp</span><span class="o">.</span><span class="n">Identifier</span><span class="p">)</span> +</span><span id="MappingSchema-338"><a href="#MappingSchema-338"><span class="linenos">338</span></a> <span class="k">except</span> <span class="n">ParseError</span><span class="p">:</span> +</span><span id="MappingSchema-339"><a href="#MappingSchema-339"><span class="linenos">339</span></a> <span class="k">return</span> <span class="n">name</span> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">name</span><span class="p">,</span> <span class="nb">str</span><span class="p">)</span> <span class="k">else</span> <span class="n">name</span><span class="o">.</span><span class="n">name</span> +</span><span id="MappingSchema-340"><a href="#MappingSchema-340"><span class="linenos">340</span></a> +</span><span id="MappingSchema-341"><a href="#MappingSchema-341"><span class="linenos">341</span></a> <span class="n">name</span> <span class="o">=</span> <span class="n">identifier</span><span class="o">.</span><span class="n">name</span> +</span><span id="MappingSchema-342"><a href="#MappingSchema-342"><span class="linenos">342</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="bp">self</span><span class="o">.</span><span class="n">normalize</span><span class="p">:</span> +</span><span id="MappingSchema-343"><a href="#MappingSchema-343"><span class="linenos">343</span></a> <span class="k">return</span> <span class="n">name</span> +</span><span id="MappingSchema-344"><a href="#MappingSchema-344"><span class="linenos">344</span></a> +</span><span id="MappingSchema-345"><a href="#MappingSchema-345"><span class="linenos">345</span></a> <span class="c1"># This can be useful for normalize_identifier</span> +</span><span id="MappingSchema-346"><a href="#MappingSchema-346"><span class="linenos">346</span></a> <span class="n">identifier</span><span class="o">.</span><span class="n">meta</span><span class="p">[</span><span class="s2">"is_table"</span><span class="p">]</span> <span class="o">=</span> <span class="n">is_table</span> +</span><span id="MappingSchema-347"><a href="#MappingSchema-347"><span class="linenos">347</span></a> <span class="k">return</span> <span class="n">Dialect</span><span class="o">.</span><span class="n">get_or_raise</span><span class="p">(</span><span class="n">dialect</span><span class="p">)</span><span class="o">.</span><span class="n">normalize_identifier</span><span class="p">(</span><span class="n">identifier</span><span class="p">)</span><span class="o">.</span><span class="n">name</span> +</span><span id="MappingSchema-348"><a href="#MappingSchema-348"><span class="linenos">348</span></a> +</span><span id="MappingSchema-349"><a href="#MappingSchema-349"><span class="linenos">349</span></a> <span class="k">def</span> <span class="nf">_depth</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span> <span class="o">-></span> <span class="nb">int</span><span class="p">:</span> +</span><span id="MappingSchema-350"><a href="#MappingSchema-350"><span class="linenos">350</span></a> <span class="c1"># The columns themselves are a mapping, but we don't want to include those</span> +</span><span id="MappingSchema-351"><a href="#MappingSchema-351"><span class="linenos">351</span></a> <span class="k">return</span> <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="n">_depth</span><span class="p">()</span> <span class="o">-</span> <span class="mi">1</span> +</span><span id="MappingSchema-352"><a href="#MappingSchema-352"><span class="linenos">352</span></a> +</span><span id="MappingSchema-353"><a href="#MappingSchema-353"><span class="linenos">353</span></a> <span class="k">def</span> <span class="nf">_to_data_type</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">schema_type</span><span class="p">:</span> <span class="nb">str</span><span class="p">,</span> <span class="n">dialect</span><span class="p">:</span> <span class="n">DialectType</span> <span class="o">=</span> <span class="kc">None</span><span class="p">)</span> <span class="o">-></span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="p">:</span> +</span><span id="MappingSchema-354"><a href="#MappingSchema-354"><span class="linenos">354</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="MappingSchema-355"><a href="#MappingSchema-355"><span class="linenos">355</span></a><span class="sd"> Convert a type represented as a string to the corresponding `sqlglot.exp.DataType` object.</span> +</span><span id="MappingSchema-356"><a href="#MappingSchema-356"><span class="linenos">356</span></a> +</span><span id="MappingSchema-357"><a href="#MappingSchema-357"><span class="linenos">357</span></a><span class="sd"> Args:</span> +</span><span id="MappingSchema-358"><a href="#MappingSchema-358"><span class="linenos">358</span></a><span class="sd"> schema_type: the type we want to convert.</span> +</span><span id="MappingSchema-359"><a href="#MappingSchema-359"><span class="linenos">359</span></a><span class="sd"> dialect: the SQL dialect that will be used to parse `schema_type`, if needed.</span> +</span><span id="MappingSchema-360"><a href="#MappingSchema-360"><span class="linenos">360</span></a> +</span><span id="MappingSchema-361"><a href="#MappingSchema-361"><span class="linenos">361</span></a><span class="sd"> Returns:</span> +</span><span id="MappingSchema-362"><a href="#MappingSchema-362"><span class="linenos">362</span></a><span class="sd"> The resulting expression type.</span> +</span><span id="MappingSchema-363"><a href="#MappingSchema-363"><span class="linenos">363</span></a><span class="sd"> """</span> +</span><span id="MappingSchema-364"><a href="#MappingSchema-364"><span class="linenos">364</span></a> <span class="k">if</span> <span class="n">schema_type</span> <span class="ow">not</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">_type_mapping_cache</span><span class="p">:</span> +</span><span id="MappingSchema-365"><a href="#MappingSchema-365"><span class="linenos">365</span></a> <span class="n">dialect</span> <span class="o">=</span> <span class="n">dialect</span> <span class="ow">or</span> <span class="bp">self</span><span class="o">.</span><span class="n">dialect</span> +</span><span id="MappingSchema-366"><a href="#MappingSchema-366"><span class="linenos">366</span></a> +</span><span id="MappingSchema-367"><a href="#MappingSchema-367"><span class="linenos">367</span></a> <span class="k">try</span><span class="p">:</span> +</span><span id="MappingSchema-368"><a href="#MappingSchema-368"><span class="linenos">368</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">build</span><span class="p">(</span><span class="n">schema_type</span><span class="p">,</span> <span class="n">dialect</span><span class="o">=</span><span class="n">dialect</span><span class="p">)</span> +</span><span id="MappingSchema-369"><a href="#MappingSchema-369"><span class="linenos">369</span></a> <span class="bp">self</span><span class="o">.</span><span class="n">_type_mapping_cache</span><span class="p">[</span><span class="n">schema_type</span><span class="p">]</span> <span class="o">=</span> <span class="n">expression</span> +</span><span id="MappingSchema-370"><a href="#MappingSchema-370"><span class="linenos">370</span></a> <span class="k">except</span> <span class="ne">AttributeError</span><span class="p">:</span> +</span><span id="MappingSchema-371"><a href="#MappingSchema-371"><span class="linenos">371</span></a> <span class="n">in_dialect</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">" in dialect </span><span class="si">{</span><span class="n">dialect</span><span class="si">}</span><span class="s2">"</span> <span class="k">if</span> <span class="n">dialect</span> <span class="k">else</span> <span class="s2">""</span> +</span><span id="MappingSchema-372"><a href="#MappingSchema-372"><span class="linenos">372</span></a> <span class="k">raise</span> <span class="n">SchemaError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Failed to build type '</span><span class="si">{</span><span class="n">schema_type</span><span class="si">}</span><span class="s2">'</span><span class="si">{</span><span class="n">in_dialect</span><span class="si">}</span><span class="s2">."</span><span class="p">)</span> +</span><span id="MappingSchema-373"><a href="#MappingSchema-373"><span class="linenos">373</span></a> +</span><span id="MappingSchema-374"><a href="#MappingSchema-374"><span class="linenos">374</span></a> <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_type_mapping_cache</span><span class="p">[</span><span class="n">schema_type</span><span class="p">]</span> </span></pre></div> @@ -1564,11 +1554,11 @@ are assumed to be visible. The nesting should mirror that of the schema: </div> <a class="headerlink" href="#ensure_schema"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="ensure_schema-382"><a href="#ensure_schema-382"><span class="linenos">382</span></a><span class="k">def</span> <span class="nf">ensure_schema</span><span class="p">(</span><span class="n">schema</span><span class="p">:</span> <span class="n">Schema</span> <span class="o">|</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">],</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">)</span> <span class="o">-></span> <span class="n">Schema</span><span class="p">:</span> -</span><span id="ensure_schema-383"><a href="#ensure_schema-383"><span class="linenos">383</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">schema</span><span class="p">,</span> <span class="n">Schema</span><span class="p">):</span> -</span><span id="ensure_schema-384"><a href="#ensure_schema-384"><span class="linenos">384</span></a> <span class="k">return</span> <span class="n">schema</span> -</span><span id="ensure_schema-385"><a href="#ensure_schema-385"><span class="linenos">385</span></a> -</span><span id="ensure_schema-386"><a href="#ensure_schema-386"><span class="linenos">386</span></a> <span class="k">return</span> <span class="n">MappingSchema</span><span class="p">(</span><span class="n">schema</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="ensure_schema-377"><a href="#ensure_schema-377"><span class="linenos">377</span></a><span class="k">def</span> <span class="nf">ensure_schema</span><span class="p">(</span><span class="n">schema</span><span class="p">:</span> <span class="n">Schema</span> <span class="o">|</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">],</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">)</span> <span class="o">-></span> <span class="n">Schema</span><span class="p">:</span> +</span><span id="ensure_schema-378"><a href="#ensure_schema-378"><span class="linenos">378</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">schema</span><span class="p">,</span> <span class="n">Schema</span><span class="p">):</span> +</span><span id="ensure_schema-379"><a href="#ensure_schema-379"><span class="linenos">379</span></a> <span class="k">return</span> <span class="n">schema</span> +</span><span id="ensure_schema-380"><a href="#ensure_schema-380"><span class="linenos">380</span></a> +</span><span id="ensure_schema-381"><a href="#ensure_schema-381"><span class="linenos">381</span></a> <span class="k">return</span> <span class="n">MappingSchema</span><span class="p">(</span><span class="n">schema</span><span class="p">,</span> <span class="o">**</span><span class="n">kwargs</span><span class="p">)</span> </span></pre></div> @@ -1586,24 +1576,24 @@ are assumed to be visible. The nesting should mirror that of the schema: </div> <a class="headerlink" href="#ensure_column_mapping"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="ensure_column_mapping-389"><a href="#ensure_column_mapping-389"><span class="linenos">389</span></a><span class="k">def</span> <span class="nf">ensure_column_mapping</span><span class="p">(</span><span class="n">mapping</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">ColumnMapping</span><span class="p">])</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">:</span> -</span><span id="ensure_column_mapping-390"><a href="#ensure_column_mapping-390"><span class="linenos">390</span></a> <span class="k">if</span> <span class="n">mapping</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> -</span><span id="ensure_column_mapping-391"><a href="#ensure_column_mapping-391"><span class="linenos">391</span></a> <span class="k">return</span> <span class="p">{}</span> -</span><span id="ensure_column_mapping-392"><a href="#ensure_column_mapping-392"><span class="linenos">392</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">mapping</span><span class="p">,</span> <span class="nb">dict</span><span class="p">):</span> -</span><span id="ensure_column_mapping-393"><a href="#ensure_column_mapping-393"><span class="linenos">393</span></a> <span class="k">return</span> <span class="n">mapping</span> -</span><span id="ensure_column_mapping-394"><a href="#ensure_column_mapping-394"><span class="linenos">394</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">mapping</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span> -</span><span id="ensure_column_mapping-395"><a href="#ensure_column_mapping-395"><span class="linenos">395</span></a> <span class="n">col_name_type_strs</span> <span class="o">=</span> <span class="p">[</span><span class="n">x</span><span class="o">.</span><span class="n">strip</span><span class="p">()</span> <span class="k">for</span> <span class="n">x</span> <span class="ow">in</span> <span class="n">mapping</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s2">","</span><span class="p">)]</span> -</span><span id="ensure_column_mapping-396"><a href="#ensure_column_mapping-396"><span class="linenos">396</span></a> <span class="k">return</span> <span class="p">{</span> -</span><span id="ensure_column_mapping-397"><a href="#ensure_column_mapping-397"><span class="linenos">397</span></a> <span class="n">name_type_str</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s2">":"</span><span class="p">)[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">strip</span><span class="p">():</span> <span class="n">name_type_str</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s2">":"</span><span class="p">)[</span><span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">strip</span><span class="p">()</span> -</span><span id="ensure_column_mapping-398"><a href="#ensure_column_mapping-398"><span class="linenos">398</span></a> <span class="k">for</span> <span class="n">name_type_str</span> <span class="ow">in</span> <span class="n">col_name_type_strs</span> -</span><span id="ensure_column_mapping-399"><a href="#ensure_column_mapping-399"><span class="linenos">399</span></a> <span class="p">}</span> -</span><span id="ensure_column_mapping-400"><a href="#ensure_column_mapping-400"><span class="linenos">400</span></a> <span class="c1"># Check if mapping looks like a DataFrame StructType</span> -</span><span id="ensure_column_mapping-401"><a href="#ensure_column_mapping-401"><span class="linenos">401</span></a> <span class="k">elif</span> <span class="nb">hasattr</span><span class="p">(</span><span class="n">mapping</span><span class="p">,</span> <span class="s2">"simpleString"</span><span class="p">):</span> -</span><span id="ensure_column_mapping-402"><a href="#ensure_column_mapping-402"><span class="linenos">402</span></a> <span class="k">return</span> <span class="p">{</span><span class="n">struct_field</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">struct_field</span><span class="o">.</span><span class="n">dataType</span><span class="o">.</span><span class="n">simpleString</span><span class="p">()</span> <span class="k">for</span> <span class="n">struct_field</span> <span class="ow">in</span> <span class="n">mapping</span><span class="p">}</span> -</span><span id="ensure_column_mapping-403"><a href="#ensure_column_mapping-403"><span class="linenos">403</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">mapping</span><span class="p">,</span> <span class="nb">list</span><span class="p">):</span> -</span><span id="ensure_column_mapping-404"><a href="#ensure_column_mapping-404"><span class="linenos">404</span></a> <span class="k">return</span> <span class="p">{</span><span class="n">x</span><span class="o">.</span><span class="n">strip</span><span class="p">():</span> <span class="kc">None</span> <span class="k">for</span> <span class="n">x</span> <span class="ow">in</span> <span class="n">mapping</span><span class="p">}</span> -</span><span id="ensure_column_mapping-405"><a href="#ensure_column_mapping-405"><span class="linenos">405</span></a> -</span><span id="ensure_column_mapping-406"><a href="#ensure_column_mapping-406"><span class="linenos">406</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Invalid mapping provided: </span><span class="si">{</span><span class="nb">type</span><span class="p">(</span><span class="n">mapping</span><span class="p">)</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="ensure_column_mapping-384"><a href="#ensure_column_mapping-384"><span class="linenos">384</span></a><span class="k">def</span> <span class="nf">ensure_column_mapping</span><span class="p">(</span><span class="n">mapping</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">ColumnMapping</span><span class="p">])</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">:</span> +</span><span id="ensure_column_mapping-385"><a href="#ensure_column_mapping-385"><span class="linenos">385</span></a> <span class="k">if</span> <span class="n">mapping</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> +</span><span id="ensure_column_mapping-386"><a href="#ensure_column_mapping-386"><span class="linenos">386</span></a> <span class="k">return</span> <span class="p">{}</span> +</span><span id="ensure_column_mapping-387"><a href="#ensure_column_mapping-387"><span class="linenos">387</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">mapping</span><span class="p">,</span> <span class="nb">dict</span><span class="p">):</span> +</span><span id="ensure_column_mapping-388"><a href="#ensure_column_mapping-388"><span class="linenos">388</span></a> <span class="k">return</span> <span class="n">mapping</span> +</span><span id="ensure_column_mapping-389"><a href="#ensure_column_mapping-389"><span class="linenos">389</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">mapping</span><span class="p">,</span> <span class="nb">str</span><span class="p">):</span> +</span><span id="ensure_column_mapping-390"><a href="#ensure_column_mapping-390"><span class="linenos">390</span></a> <span class="n">col_name_type_strs</span> <span class="o">=</span> <span class="p">[</span><span class="n">x</span><span class="o">.</span><span class="n">strip</span><span class="p">()</span> <span class="k">for</span> <span class="n">x</span> <span class="ow">in</span> <span class="n">mapping</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s2">","</span><span class="p">)]</span> +</span><span id="ensure_column_mapping-391"><a href="#ensure_column_mapping-391"><span class="linenos">391</span></a> <span class="k">return</span> <span class="p">{</span> +</span><span id="ensure_column_mapping-392"><a href="#ensure_column_mapping-392"><span class="linenos">392</span></a> <span class="n">name_type_str</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s2">":"</span><span class="p">)[</span><span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">strip</span><span class="p">():</span> <span class="n">name_type_str</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span class="s2">":"</span><span class="p">)[</span><span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">strip</span><span class="p">()</span> +</span><span id="ensure_column_mapping-393"><a href="#ensure_column_mapping-393"><span class="linenos">393</span></a> <span class="k">for</span> <span class="n">name_type_str</span> <span class="ow">in</span> <span class="n">col_name_type_strs</span> +</span><span id="ensure_column_mapping-394"><a href="#ensure_column_mapping-394"><span class="linenos">394</span></a> <span class="p">}</span> +</span><span id="ensure_column_mapping-395"><a href="#ensure_column_mapping-395"><span class="linenos">395</span></a> <span class="c1"># Check if mapping looks like a DataFrame StructType</span> +</span><span id="ensure_column_mapping-396"><a href="#ensure_column_mapping-396"><span class="linenos">396</span></a> <span class="k">elif</span> <span class="nb">hasattr</span><span class="p">(</span><span class="n">mapping</span><span class="p">,</span> <span class="s2">"simpleString"</span><span class="p">):</span> +</span><span id="ensure_column_mapping-397"><a href="#ensure_column_mapping-397"><span class="linenos">397</span></a> <span class="k">return</span> <span class="p">{</span><span class="n">struct_field</span><span class="o">.</span><span class="n">name</span><span class="p">:</span> <span class="n">struct_field</span><span class="o">.</span><span class="n">dataType</span><span class="o">.</span><span class="n">simpleString</span><span class="p">()</span> <span class="k">for</span> <span class="n">struct_field</span> <span class="ow">in</span> <span class="n">mapping</span><span class="p">}</span> +</span><span id="ensure_column_mapping-398"><a href="#ensure_column_mapping-398"><span class="linenos">398</span></a> <span class="k">elif</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">mapping</span><span class="p">,</span> <span class="nb">list</span><span class="p">):</span> +</span><span id="ensure_column_mapping-399"><a href="#ensure_column_mapping-399"><span class="linenos">399</span></a> <span class="k">return</span> <span class="p">{</span><span class="n">x</span><span class="o">.</span><span class="n">strip</span><span class="p">():</span> <span class="kc">None</span> <span class="k">for</span> <span class="n">x</span> <span class="ow">in</span> <span class="n">mapping</span><span class="p">}</span> +</span><span id="ensure_column_mapping-400"><a href="#ensure_column_mapping-400"><span class="linenos">400</span></a> +</span><span id="ensure_column_mapping-401"><a href="#ensure_column_mapping-401"><span class="linenos">401</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Invalid mapping provided: </span><span class="si">{</span><span class="nb">type</span><span class="p">(</span><span class="n">mapping</span><span class="p">)</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> </span></pre></div> @@ -1621,19 +1611,19 @@ are assumed to be visible. The nesting should mirror that of the schema: </div> <a class="headerlink" href="#flatten_schema"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="flatten_schema-409"><a href="#flatten_schema-409"><span class="linenos">409</span></a><span class="k">def</span> <span class="nf">flatten_schema</span><span class="p">(</span> -</span><span id="flatten_schema-410"><a href="#flatten_schema-410"><span class="linenos">410</span></a> <span class="n">schema</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">,</span> <span class="n">depth</span><span class="p">:</span> <span class="nb">int</span><span class="p">,</span> <span class="n">keys</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> -</span><span id="flatten_schema-411"><a href="#flatten_schema-411"><span class="linenos">411</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]]:</span> -</span><span id="flatten_schema-412"><a href="#flatten_schema-412"><span class="linenos">412</span></a> <span class="n">tables</span> <span class="o">=</span> <span class="p">[]</span> -</span><span id="flatten_schema-413"><a href="#flatten_schema-413"><span class="linenos">413</span></a> <span class="n">keys</span> <span class="o">=</span> <span class="n">keys</span> <span class="ow">or</span> <span class="p">[]</span> -</span><span id="flatten_schema-414"><a href="#flatten_schema-414"><span class="linenos">414</span></a> -</span><span id="flatten_schema-415"><a href="#flatten_schema-415"><span class="linenos">415</span></a> <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">schema</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> -</span><span id="flatten_schema-416"><a href="#flatten_schema-416"><span class="linenos">416</span></a> <span class="k">if</span> <span class="n">depth</span> <span class="o">>=</span> <span class="mi">2</span><span class="p">:</span> -</span><span id="flatten_schema-417"><a href="#flatten_schema-417"><span class="linenos">417</span></a> <span class="n">tables</span><span class="o">.</span><span class="n">extend</span><span class="p">(</span><span class="n">flatten_schema</span><span class="p">(</span><span class="n">v</span><span class="p">,</span> <span class="n">depth</span> <span class="o">-</span> <span class="mi">1</span><span class="p">,</span> <span class="n">keys</span> <span class="o">+</span> <span class="p">[</span><span class="n">k</span><span class="p">]))</span> -</span><span id="flatten_schema-418"><a href="#flatten_schema-418"><span class="linenos">418</span></a> <span class="k">elif</span> <span class="n">depth</span> <span class="o">==</span> <span class="mi">1</span><span class="p">:</span> -</span><span id="flatten_schema-419"><a href="#flatten_schema-419"><span class="linenos">419</span></a> <span class="n">tables</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">keys</span> <span class="o">+</span> <span class="p">[</span><span class="n">k</span><span class="p">])</span> -</span><span id="flatten_schema-420"><a href="#flatten_schema-420"><span class="linenos">420</span></a> -</span><span id="flatten_schema-421"><a href="#flatten_schema-421"><span class="linenos">421</span></a> <span class="k">return</span> <span class="n">tables</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="flatten_schema-404"><a href="#flatten_schema-404"><span class="linenos">404</span></a><span class="k">def</span> <span class="nf">flatten_schema</span><span class="p">(</span> +</span><span id="flatten_schema-405"><a href="#flatten_schema-405"><span class="linenos">405</span></a> <span class="n">schema</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">,</span> <span class="n">depth</span><span class="p">:</span> <span class="nb">int</span><span class="p">,</span> <span class="n">keys</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]]</span> <span class="o">=</span> <span class="kc">None</span> +</span><span id="flatten_schema-406"><a href="#flatten_schema-406"><span class="linenos">406</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">List</span><span class="p">[</span><span class="nb">str</span><span class="p">]]:</span> +</span><span id="flatten_schema-407"><a href="#flatten_schema-407"><span class="linenos">407</span></a> <span class="n">tables</span> <span class="o">=</span> <span class="p">[]</span> +</span><span id="flatten_schema-408"><a href="#flatten_schema-408"><span class="linenos">408</span></a> <span class="n">keys</span> <span class="o">=</span> <span class="n">keys</span> <span class="ow">or</span> <span class="p">[]</span> +</span><span id="flatten_schema-409"><a href="#flatten_schema-409"><span class="linenos">409</span></a> +</span><span id="flatten_schema-410"><a href="#flatten_schema-410"><span class="linenos">410</span></a> <span class="k">for</span> <span class="n">k</span><span class="p">,</span> <span class="n">v</span> <span class="ow">in</span> <span class="n">schema</span><span class="o">.</span><span class="n">items</span><span class="p">():</span> +</span><span id="flatten_schema-411"><a href="#flatten_schema-411"><span class="linenos">411</span></a> <span class="k">if</span> <span class="n">depth</span> <span class="o">>=</span> <span class="mi">2</span><span class="p">:</span> +</span><span id="flatten_schema-412"><a href="#flatten_schema-412"><span class="linenos">412</span></a> <span class="n">tables</span><span class="o">.</span><span class="n">extend</span><span class="p">(</span><span class="n">flatten_schema</span><span class="p">(</span><span class="n">v</span><span class="p">,</span> <span class="n">depth</span> <span class="o">-</span> <span class="mi">1</span><span class="p">,</span> <span class="n">keys</span> <span class="o">+</span> <span class="p">[</span><span class="n">k</span><span class="p">]))</span> +</span><span id="flatten_schema-413"><a href="#flatten_schema-413"><span class="linenos">413</span></a> <span class="k">elif</span> <span class="n">depth</span> <span class="o">==</span> <span class="mi">1</span><span class="p">:</span> +</span><span id="flatten_schema-414"><a href="#flatten_schema-414"><span class="linenos">414</span></a> <span class="n">tables</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">keys</span> <span class="o">+</span> <span class="p">[</span><span class="n">k</span><span class="p">])</span> +</span><span id="flatten_schema-415"><a href="#flatten_schema-415"><span class="linenos">415</span></a> +</span><span id="flatten_schema-416"><a href="#flatten_schema-416"><span class="linenos">416</span></a> <span class="k">return</span> <span class="n">tables</span> </span></pre></div> @@ -1651,30 +1641,30 @@ are assumed to be visible. The nesting should mirror that of the schema: </div> <a class="headerlink" href="#nested_get"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="nested_get-424"><a href="#nested_get-424"><span class="linenos">424</span></a><span class="k">def</span> <span class="nf">nested_get</span><span class="p">(</span> -</span><span id="nested_get-425"><a href="#nested_get-425"><span class="linenos">425</span></a> <span class="n">d</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">,</span> <span class="o">*</span><span class="n">path</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Tuple</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">],</span> <span class="n">raise_on_missing</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span> -</span><span id="nested_get-426"><a href="#nested_get-426"><span class="linenos">426</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">]:</span> -</span><span id="nested_get-427"><a href="#nested_get-427"><span class="linenos">427</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="nested_get-428"><a href="#nested_get-428"><span class="linenos">428</span></a><span class="sd"> Get a value for a nested dictionary.</span> -</span><span id="nested_get-429"><a href="#nested_get-429"><span class="linenos">429</span></a> -</span><span id="nested_get-430"><a href="#nested_get-430"><span class="linenos">430</span></a><span class="sd"> Args:</span> -</span><span id="nested_get-431"><a href="#nested_get-431"><span class="linenos">431</span></a><span class="sd"> d: the dictionary to search.</span> -</span><span id="nested_get-432"><a href="#nested_get-432"><span class="linenos">432</span></a><span class="sd"> *path: tuples of (name, key), where:</span> -</span><span id="nested_get-433"><a href="#nested_get-433"><span class="linenos">433</span></a><span class="sd"> `key` is the key in the dictionary to get.</span> -</span><span id="nested_get-434"><a href="#nested_get-434"><span class="linenos">434</span></a><span class="sd"> `name` is a string to use in the error if `key` isn't found.</span> -</span><span id="nested_get-435"><a href="#nested_get-435"><span class="linenos">435</span></a> -</span><span id="nested_get-436"><a href="#nested_get-436"><span class="linenos">436</span></a><span class="sd"> Returns:</span> -</span><span id="nested_get-437"><a href="#nested_get-437"><span class="linenos">437</span></a><span class="sd"> The value or None if it doesn't exist.</span> -</span><span id="nested_get-438"><a href="#nested_get-438"><span class="linenos">438</span></a><span class="sd"> """</span> -</span><span id="nested_get-439"><a href="#nested_get-439"><span class="linenos">439</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">path</span><span class="p">:</span> -</span><span id="nested_get-440"><a href="#nested_get-440"><span class="linenos">440</span></a> <span class="n">d</span> <span class="o">=</span> <span class="n">d</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">key</span><span class="p">)</span> <span class="c1"># type: ignore</span> -</span><span id="nested_get-441"><a href="#nested_get-441"><span class="linenos">441</span></a> <span class="k">if</span> <span class="n">d</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> -</span><span id="nested_get-442"><a href="#nested_get-442"><span class="linenos">442</span></a> <span class="k">if</span> <span class="n">raise_on_missing</span><span class="p">:</span> -</span><span id="nested_get-443"><a href="#nested_get-443"><span class="linenos">443</span></a> <span class="n">name</span> <span class="o">=</span> <span class="s2">"table"</span> <span class="k">if</span> <span class="n">name</span> <span class="o">==</span> <span class="s2">"this"</span> <span class="k">else</span> <span class="n">name</span> -</span><span id="nested_get-444"><a href="#nested_get-444"><span class="linenos">444</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Unknown </span><span class="si">{</span><span class="n">name</span><span class="si">}</span><span class="s2">: </span><span class="si">{</span><span class="n">key</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> -</span><span id="nested_get-445"><a href="#nested_get-445"><span class="linenos">445</span></a> <span class="k">return</span> <span class="kc">None</span> -</span><span id="nested_get-446"><a href="#nested_get-446"><span class="linenos">446</span></a> -</span><span id="nested_get-447"><a href="#nested_get-447"><span class="linenos">447</span></a> <span class="k">return</span> <span class="n">d</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="nested_get-419"><a href="#nested_get-419"><span class="linenos">419</span></a><span class="k">def</span> <span class="nf">nested_get</span><span class="p">(</span> +</span><span id="nested_get-420"><a href="#nested_get-420"><span class="linenos">420</span></a> <span class="n">d</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">,</span> <span class="o">*</span><span class="n">path</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Tuple</span><span class="p">[</span><span class="nb">str</span><span class="p">,</span> <span class="nb">str</span><span class="p">],</span> <span class="n">raise_on_missing</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span> +</span><span id="nested_get-421"><a href="#nested_get-421"><span class="linenos">421</span></a><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Optional</span><span class="p">[</span><span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">]:</span> +</span><span id="nested_get-422"><a href="#nested_get-422"><span class="linenos">422</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="nested_get-423"><a href="#nested_get-423"><span class="linenos">423</span></a><span class="sd"> Get a value for a nested dictionary.</span> +</span><span id="nested_get-424"><a href="#nested_get-424"><span class="linenos">424</span></a> +</span><span id="nested_get-425"><a href="#nested_get-425"><span class="linenos">425</span></a><span class="sd"> Args:</span> +</span><span id="nested_get-426"><a href="#nested_get-426"><span class="linenos">426</span></a><span class="sd"> d: the dictionary to search.</span> +</span><span id="nested_get-427"><a href="#nested_get-427"><span class="linenos">427</span></a><span class="sd"> *path: tuples of (name, key), where:</span> +</span><span id="nested_get-428"><a href="#nested_get-428"><span class="linenos">428</span></a><span class="sd"> `key` is the key in the dictionary to get.</span> +</span><span id="nested_get-429"><a href="#nested_get-429"><span class="linenos">429</span></a><span class="sd"> `name` is a string to use in the error if `key` isn't found.</span> +</span><span id="nested_get-430"><a href="#nested_get-430"><span class="linenos">430</span></a> +</span><span id="nested_get-431"><a href="#nested_get-431"><span class="linenos">431</span></a><span class="sd"> Returns:</span> +</span><span id="nested_get-432"><a href="#nested_get-432"><span class="linenos">432</span></a><span class="sd"> The value or None if it doesn't exist.</span> +</span><span id="nested_get-433"><a href="#nested_get-433"><span class="linenos">433</span></a><span class="sd"> """</span> +</span><span id="nested_get-434"><a href="#nested_get-434"><span class="linenos">434</span></a> <span class="k">for</span> <span class="n">name</span><span class="p">,</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">path</span><span class="p">:</span> +</span><span id="nested_get-435"><a href="#nested_get-435"><span class="linenos">435</span></a> <span class="n">d</span> <span class="o">=</span> <span class="n">d</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">key</span><span class="p">)</span> <span class="c1"># type: ignore</span> +</span><span id="nested_get-436"><a href="#nested_get-436"><span class="linenos">436</span></a> <span class="k">if</span> <span class="n">d</span> <span class="ow">is</span> <span class="kc">None</span><span class="p">:</span> +</span><span id="nested_get-437"><a href="#nested_get-437"><span class="linenos">437</span></a> <span class="k">if</span> <span class="n">raise_on_missing</span><span class="p">:</span> +</span><span id="nested_get-438"><a href="#nested_get-438"><span class="linenos">438</span></a> <span class="n">name</span> <span class="o">=</span> <span class="s2">"table"</span> <span class="k">if</span> <span class="n">name</span> <span class="o">==</span> <span class="s2">"this"</span> <span class="k">else</span> <span class="n">name</span> +</span><span id="nested_get-439"><a href="#nested_get-439"><span class="linenos">439</span></a> <span class="k">raise</span> <span class="ne">ValueError</span><span class="p">(</span><span class="sa">f</span><span class="s2">"Unknown </span><span class="si">{</span><span class="n">name</span><span class="si">}</span><span class="s2">: </span><span class="si">{</span><span class="n">key</span><span class="si">}</span><span class="s2">"</span><span class="p">)</span> +</span><span id="nested_get-440"><a href="#nested_get-440"><span class="linenos">440</span></a> <span class="k">return</span> <span class="kc">None</span> +</span><span id="nested_get-441"><a href="#nested_get-441"><span class="linenos">441</span></a> +</span><span id="nested_get-442"><a href="#nested_get-442"><span class="linenos">442</span></a> <span class="k">return</span> <span class="n">d</span> </span></pre></div> @@ -1709,41 +1699,41 @@ are assumed to be visible. The nesting should mirror that of the schema: </div> <a class="headerlink" href="#nested_set"></a> - <div class="pdoc-code codehilite"><pre><span></span><span id="nested_set-450"><a href="#nested_set-450"><span class="linenos">450</span></a><span class="k">def</span> <span class="nf">nested_set</span><span class="p">(</span><span class="n">d</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">,</span> <span class="n">keys</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Sequence</span><span class="p">[</span><span class="nb">str</span><span class="p">],</span> <span class="n">value</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">:</span> -</span><span id="nested_set-451"><a href="#nested_set-451"><span class="linenos">451</span></a><span class="w"> </span><span class="sd">"""</span> -</span><span id="nested_set-452"><a href="#nested_set-452"><span class="linenos">452</span></a><span class="sd"> In-place set a value for a nested dictionary</span> -</span><span id="nested_set-453"><a href="#nested_set-453"><span class="linenos">453</span></a> -</span><span id="nested_set-454"><a href="#nested_set-454"><span class="linenos">454</span></a><span class="sd"> Example:</span> -</span><span id="nested_set-455"><a href="#nested_set-455"><span class="linenos">455</span></a><span class="sd"> >>> nested_set({}, ["top_key", "second_key"], "value")</span> -</span><span id="nested_set-456"><a href="#nested_set-456"><span class="linenos">456</span></a><span class="sd"> {'top_key': {'second_key': 'value'}}</span> -</span><span id="nested_set-457"><a href="#nested_set-457"><span class="linenos">457</span></a> -</span><span id="nested_set-458"><a href="#nested_set-458"><span class="linenos">458</span></a><span class="sd"> >>> nested_set({"top_key": {"third_key": "third_value"}}, ["top_key", "second_key"], "value")</span> -</span><span id="nested_set-459"><a href="#nested_set-459"><span class="linenos">459</span></a><span class="sd"> {'top_key': {'third_key': 'third_value', 'second_key': 'value'}}</span> + <div class="pdoc-code codehilite"><pre><span></span><span id="nested_set-445"><a href="#nested_set-445"><span class="linenos">445</span></a><span class="k">def</span> <span class="nf">nested_set</span><span class="p">(</span><span class="n">d</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">,</span> <span class="n">keys</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Sequence</span><span class="p">[</span><span class="nb">str</span><span class="p">],</span> <span class="n">value</span><span class="p">:</span> <span class="n">t</span><span class="o">.</span><span class="n">Any</span><span class="p">)</span> <span class="o">-></span> <span class="n">t</span><span class="o">.</span><span class="n">Dict</span><span class="p">:</span> +</span><span id="nested_set-446"><a href="#nested_set-446"><span class="linenos">446</span></a><span class="w"> </span><span class="sd">"""</span> +</span><span id="nested_set-447"><a href="#nested_set-447"><span class="linenos">447</span></a><span class="sd"> In-place set a value for a nested dictionary</span> +</span><span id="nested_set-448"><a href="#nested_set-448"><span class="linenos">448</span></a> +</span><span id="nested_set-449"><a href="#nested_set-449"><span class="linenos">449</span></a><span class="sd"> Example:</span> +</span><span id="nested_set-450"><a href="#nested_set-450"><span class="linenos">450</span></a><span class="sd"> >>> nested_set({}, ["top_key", "second_key"], "value")</span> +</span><span id="nested_set-451"><a href="#nested_set-451"><span class="linenos">451</span></a><span class="sd"> {'top_key': {'second_key': 'value'}}</span> +</span><span id="nested_set-452"><a href="#nested_set-452"><span class="linenos">452</span></a> +</span><span id="nested_set-453"><a href="#nested_set-453"><span class="linenos">453</span></a><span class="sd"> >>> nested_set({"top_key": {"third_key": "third_value"}}, ["top_key", "second_key"], "value")</span> +</span><span id="nested_set-454"><a href="#nested_set-454"><span class="linenos">454</span></a><span class="sd"> {'top_key': {'third_key': 'third_value', 'second_key': 'value'}}</span> +</span><span id="nested_set-455"><a href="#nested_set-455"><span class="linenos">455</span></a> +</span><span id="nested_set-456"><a href="#nested_set-456"><span class="linenos">456</span></a><span class="sd"> Args:</span> +</span><span id="nested_set-457"><a href="#nested_set-457"><span class="linenos">457</span></a><span class="sd"> d: dictionary to update.</span> +</span><span id="nested_set-458"><a href="#nested_set-458"><span class="linenos">458</span></a><span class="sd"> keys: the keys that makeup the path to `value`.</span> +</span><span id="nested_set-459"><a href="#nested_set-459"><span class="linenos">459</span></a><span class="sd"> value: the value to set in the dictionary for the given key path.</span> </span><span id="nested_set-460"><a href="#nested_set-460"><span class="linenos">460</span></a> -</span><span id="nested_set-461"><a href="#nested_set-461"><span class="linenos">461</span></a><span class="sd"> Args:</span> -</span><span id="nested_set-462"><a href="#nested_set-462"><span class="linenos">462</span></a><span class="sd"> d: dictionary to update.</span> -</span><span id="nested_set-463"><a href="#nested_set-463"><span class="linenos">463</span></a><span class="sd"> keys: the keys that makeup the path to `value`.</span> -</span><span id="nested_set-464"><a href="#nested_set-464"><span class="linenos">464</span></a><span class="sd"> value: the value to set in the dictionary for the given key path.</span> -</span><span id="nested_set-465"><a href="#nested_set-465"><span class="linenos">465</span></a> -</span><span id="nested_set-466"><a href="#nested_set-466"><span class="linenos">466</span></a><span class="sd"> Returns:</span> -</span><span id="nested_set-467"><a href="#nested_set-467"><span class="linenos">467</span></a><span class="sd"> The (possibly) updated dictionary.</span> -</span><span id="nested_set-468"><a href="#nested_set-468"><span class="linenos">468</span></a><span class="sd"> """</span> -</span><span id="nested_set-469"><a href="#nested_set-469"><span class="linenos">469</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">keys</span><span class="p">:</span> -</span><span id="nested_set-470"><a href="#nested_set-470"><span class="linenos">470</span></a> <span class="k">return</span> <span class="n">d</span> -</span><span id="nested_set-471"><a href="#nested_set-471"><span class="linenos">471</span></a> -</span><span id="nested_set-472"><a href="#nested_set-472"><span class="linenos">472</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">keys</span><span class="p">)</span> <span class="o">==</span> <span class="mi">1</span><span class="p">:</span> -</span><span id="nested_set-473"><a href="#nested_set-473"><span class="linenos">473</span></a> <span class="n">d</span><span class="p">[</span><span class="n">keys</span><span class="p">[</span><span class="mi">0</span><span class="p">]]</span> <span class="o">=</span> <span class="n">value</span> -</span><span id="nested_set-474"><a href="#nested_set-474"><span class="linenos">474</span></a> <span class="k">return</span> <span class="n">d</span> -</span><span id="nested_set-475"><a href="#nested_set-475"><span class="linenos">475</span></a> -</span><span id="nested_set-476"><a href="#nested_set-476"><span class="linenos">476</span></a> <span class="n">subd</span> <span class="o">=</span> <span class="n">d</span> -</span><span id="nested_set-477"><a href="#nested_set-477"><span class="linenos">477</span></a> <span class="k">for</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">keys</span><span class="p">[:</span><span class="o">-</span><span class="mi">1</span><span class="p">]:</span> -</span><span id="nested_set-478"><a href="#nested_set-478"><span class="linenos">478</span></a> <span class="k">if</span> <span class="n">key</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">subd</span><span class="p">:</span> -</span><span id="nested_set-479"><a href="#nested_set-479"><span class="linenos">479</span></a> <span class="n">subd</span> <span class="o">=</span> <span class="n">subd</span><span class="o">.</span><span class="n">setdefault</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="p">{})</span> -</span><span id="nested_set-480"><a href="#nested_set-480"><span class="linenos">480</span></a> <span class="k">else</span><span class="p">:</span> -</span><span id="nested_set-481"><a href="#nested_set-481"><span class="linenos">481</span></a> <span class="n">subd</span> <span class="o">=</span> <span class="n">subd</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> -</span><span id="nested_set-482"><a href="#nested_set-482"><span class="linenos">482</span></a> -</span><span id="nested_set-483"><a href="#nested_set-483"><span class="linenos">483</span></a> <span class="n">subd</span><span class="p">[</span><span class="n">keys</span><span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">]]</span> <span class="o">=</span> <span class="n">value</span> -</span><span id="nested_set-484"><a href="#nested_set-484"><span class="linenos">484</span></a> <span class="k">return</span> <span class="n">d</span> +</span><span id="nested_set-461"><a href="#nested_set-461"><span class="linenos">461</span></a><span class="sd"> Returns:</span> +</span><span id="nested_set-462"><a href="#nested_set-462"><span class="linenos">462</span></a><span class="sd"> The (possibly) updated dictionary.</span> +</span><span id="nested_set-463"><a href="#nested_set-463"><span class="linenos">463</span></a><span class="sd"> """</span> +</span><span id="nested_set-464"><a href="#nested_set-464"><span class="linenos">464</span></a> <span class="k">if</span> <span class="ow">not</span> <span class="n">keys</span><span class="p">:</span> +</span><span id="nested_set-465"><a href="#nested_set-465"><span class="linenos">465</span></a> <span class="k">return</span> <span class="n">d</span> +</span><span id="nested_set-466"><a href="#nested_set-466"><span class="linenos">466</span></a> +</span><span id="nested_set-467"><a href="#nested_set-467"><span class="linenos">467</span></a> <span class="k">if</span> <span class="nb">len</span><span class="p">(</span><span class="n">keys</span><span class="p">)</span> <span class="o">==</span> <span class="mi">1</span><span class="p">:</span> +</span><span id="nested_set-468"><a href="#nested_set-468"><span class="linenos">468</span></a> <span class="n">d</span><span class="p">[</span><span class="n">keys</span><span class="p">[</span><span class="mi">0</span><span class="p">]]</span> <span class="o">=</span> <span class="n">value</span> +</span><span id="nested_set-469"><a href="#nested_set-469"><span class="linenos">469</span></a> <span class="k">return</span> <span class="n">d</span> +</span><span id="nested_set-470"><a href="#nested_set-470"><span class="linenos">470</span></a> +</span><span id="nested_set-471"><a href="#nested_set-471"><span class="linenos">471</span></a> <span class="n">subd</span> <span class="o">=</span> <span class="n">d</span> +</span><span id="nested_set-472"><a href="#nested_set-472"><span class="linenos">472</span></a> <span class="k">for</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">keys</span><span class="p">[:</span><span class="o">-</span><span class="mi">1</span><span class="p">]:</span> +</span><span id="nested_set-473"><a href="#nested_set-473"><span class="linenos">473</span></a> <span class="k">if</span> <span class="n">key</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">subd</span><span class="p">:</span> +</span><span id="nested_set-474"><a href="#nested_set-474"><span class="linenos">474</span></a> <span class="n">subd</span> <span class="o">=</span> <span class="n">subd</span><span class="o">.</span><span class="n">setdefault</span><span class="p">(</span><span class="n">key</span><span class="p">,</span> <span class="p">{})</span> +</span><span id="nested_set-475"><a href="#nested_set-475"><span class="linenos">475</span></a> <span class="k">else</span><span class="p">:</span> +</span><span id="nested_set-476"><a href="#nested_set-476"><span class="linenos">476</span></a> <span class="n">subd</span> <span class="o">=</span> <span class="n">subd</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> +</span><span id="nested_set-477"><a href="#nested_set-477"><span class="linenos">477</span></a> +</span><span id="nested_set-478"><a href="#nested_set-478"><span class="linenos">478</span></a> <span class="n">subd</span><span class="p">[</span><span class="n">keys</span><span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">]]</span> <span class="o">=</span> <span class="n">value</span> +</span><span id="nested_set-479"><a href="#nested_set-479"><span class="linenos">479</span></a> <span class="k">return</span> <span class="n">d</span> </span></pre></div> |