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<h1 class="modulename">
<a href="./../sqlglot.html">sqlglot</a><wbr>.serde </h1>
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<div class="pdoc-code codehilite"><pre><span></span><span id="L-1"><a href="#L-1"><span class="linenos"> 1</span></a><span class="kn">from</span> <span class="nn">__future__</span> <span class="kn">import</span> <span class="n">annotations</span>
</span><span id="L-2"><a href="#L-2"><span class="linenos"> 2</span></a>
</span><span id="L-3"><a href="#L-3"><span class="linenos"> 3</span></a><span class="kn">import</span> <span class="nn">typing</span> <span class="k">as</span> <span class="nn">t</span>
</span><span id="L-4"><a href="#L-4"><span class="linenos"> 4</span></a>
</span><span id="L-5"><a href="#L-5"><span class="linenos"> 5</span></a><span class="kn">from</span> <span class="nn">sqlglot</span> <span class="kn">import</span> <span class="n">expressions</span> <span class="k">as</span> <span class="n">exp</span>
</span><span id="L-6"><a href="#L-6"><span class="linenos"> 6</span></a>
</span><span id="L-7"><a href="#L-7"><span class="linenos"> 7</span></a><span class="k">if</span> <span class="n">t</span><span class="o">.</span><span class="n">TYPE_CHECKING</span><span class="p">:</span>
</span><span id="L-8"><a href="#L-8"><span class="linenos"> 8</span></a> <span class="n">JSON</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</span><span class="p">[</span><span class="nb">dict</span><span class="p">,</span> <span class="nb">list</span><span class="p">,</span> <span class="nb">str</span><span class="p">,</span> <span class="nb">float</span><span class="p">,</span> <span class="nb">int</span><span class="p">,</span> <span class="nb">bool</span><span class="p">]</span>
</span><span id="L-9"><a href="#L-9"><span class="linenos"> 9</span></a> <span class="n">Node</span> <span class="o">=</span> <span class="n">t</span><span class="o">.</span><span class="n">Union</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="s2">"Node"</span><span class="p">],</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">,</span> <span class="n">JSON</span><span class="p">]</span>
</span><span id="L-10"><a href="#L-10"><span class="linenos">10</span></a>
</span><span id="L-11"><a href="#L-11"><span class="linenos">11</span></a>
</span><span id="L-12"><a href="#L-12"><span class="linenos">12</span></a><span class="k">def</span> <span class="nf">dump</span><span class="p">(</span><span class="n">node</span><span class="p">:</span> <span class="n">Node</span><span class="p">)</span> <span class="o">-></span> <span class="n">JSON</span><span class="p">:</span>
</span><span id="L-13"><a href="#L-13"><span class="linenos">13</span></a><span class="w"> </span><span class="sd">"""</span>
</span><span id="L-14"><a href="#L-14"><span class="linenos">14</span></a><span class="sd"> Recursively dump an AST into a JSON-serializable dict.</span>
</span><span id="L-15"><a href="#L-15"><span class="linenos">15</span></a><span class="sd"> """</span>
</span><span id="L-16"><a href="#L-16"><span class="linenos">16</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="nb">list</span><span class="p">):</span>
</span><span id="L-17"><a href="#L-17"><span class="linenos">17</span></a> <span class="k">return</span> <span class="p">[</span><span class="n">dump</span><span class="p">(</span><span class="n">i</span><span class="p">)</span> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="n">node</span><span class="p">]</span>
</span><span id="L-18"><a href="#L-18"><span class="linenos">18</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="p">):</span>
</span><span id="L-19"><a href="#L-19"><span class="linenos">19</span></a> <span class="k">return</span> <span class="p">{</span>
</span><span id="L-20"><a href="#L-20"><span class="linenos">20</span></a> <span class="s2">"class"</span><span class="p">:</span> <span class="s2">"DataType.Type"</span><span class="p">,</span>
</span><span id="L-21"><a href="#L-21"><span class="linenos">21</span></a> <span class="s2">"value"</span><span class="p">:</span> <span class="n">node</span><span class="o">.</span><span class="n">value</span><span class="p">,</span>
</span><span id="L-22"><a href="#L-22"><span class="linenos">22</span></a> <span class="p">}</span>
</span><span id="L-23"><a href="#L-23"><span class="linenos">23</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">):</span>
</span><span id="L-24"><a href="#L-24"><span class="linenos">24</span></a> <span class="n">klass</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__qualname__</span>
</span><span id="L-25"><a href="#L-25"><span class="linenos">25</span></a> <span class="k">if</span> <span class="n">node</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__module__</span> <span class="o">!=</span> <span class="n">exp</span><span class="o">.</span><span class="vm">__name__</span><span class="p">:</span>
</span><span id="L-26"><a href="#L-26"><span class="linenos">26</span></a> <span class="n">klass</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">node</span><span class="o">.</span><span class="vm">__module__</span><span class="si">}</span><span class="s2">.</span><span class="si">{</span><span class="n">klass</span><span class="si">}</span><span class="s2">"</span>
</span><span id="L-27"><a href="#L-27"><span class="linenos">27</span></a> <span class="n">obj</span> <span class="o">=</span> <span class="p">{</span>
</span><span id="L-28"><a href="#L-28"><span class="linenos">28</span></a> <span class="s2">"class"</span><span class="p">:</span> <span class="n">klass</span><span class="p">,</span>
</span><span id="L-29"><a href="#L-29"><span class="linenos">29</span></a> <span class="s2">"args"</span><span class="p">:</span> <span class="p">{</span><span class="n">k</span><span class="p">:</span> <span class="n">dump</span><span class="p">(</span><span class="n">v</span><span class="p">)</span> <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">node</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> <span class="k">if</span> <span class="n">v</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span> <span class="ow">and</span> <span class="n">v</span> <span class="o">!=</span> <span class="p">[]},</span>
</span><span id="L-30"><a href="#L-30"><span class="linenos">30</span></a> <span class="p">}</span>
</span><span id="L-31"><a href="#L-31"><span class="linenos">31</span></a> <span class="k">if</span> <span class="n">node</span><span class="o">.</span><span class="n">type</span><span class="p">:</span>
</span><span id="L-32"><a href="#L-32"><span class="linenos">32</span></a> <span class="n">obj</span><span class="p">[</span><span class="s2">"type"</span><span class="p">]</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span>
</span><span id="L-33"><a href="#L-33"><span class="linenos">33</span></a> <span class="k">if</span> <span class="n">node</span><span class="o">.</span><span class="n">comments</span><span class="p">:</span>
</span><span id="L-34"><a href="#L-34"><span class="linenos">34</span></a> <span class="n">obj</span><span class="p">[</span><span class="s2">"comments"</span><span class="p">]</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">comments</span>
</span><span id="L-35"><a href="#L-35"><span class="linenos">35</span></a> <span class="k">if</span> <span class="n">node</span><span class="o">.</span><span class="n">_meta</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
</span><span id="L-36"><a href="#L-36"><span class="linenos">36</span></a> <span class="n">obj</span><span class="p">[</span><span class="s2">"meta"</span><span class="p">]</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">_meta</span>
</span><span id="L-37"><a href="#L-37"><span class="linenos">37</span></a>
</span><span id="L-38"><a href="#L-38"><span class="linenos">38</span></a> <span class="k">return</span> <span class="n">obj</span>
</span><span id="L-39"><a href="#L-39"><span class="linenos">39</span></a> <span class="k">return</span> <span class="n">node</span>
</span><span id="L-40"><a href="#L-40"><span class="linenos">40</span></a>
</span><span id="L-41"><a href="#L-41"><span class="linenos">41</span></a>
</span><span id="L-42"><a href="#L-42"><span class="linenos">42</span></a><span class="k">def</span> <span class="nf">load</span><span class="p">(</span><span class="n">obj</span><span class="p">:</span> <span class="n">JSON</span><span class="p">)</span> <span class="o">-></span> <span class="n">Node</span><span class="p">:</span>
</span><span id="L-43"><a href="#L-43"><span class="linenos">43</span></a><span class="w"> </span><span class="sd">"""</span>
</span><span id="L-44"><a href="#L-44"><span class="linenos">44</span></a><span class="sd"> Recursively load a dict (as returned by `dump`) into an AST.</span>
</span><span id="L-45"><a href="#L-45"><span class="linenos">45</span></a><span class="sd"> """</span>
</span><span id="L-46"><a href="#L-46"><span class="linenos">46</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">obj</span><span class="p">,</span> <span class="nb">list</span><span class="p">):</span>
</span><span id="L-47"><a href="#L-47"><span class="linenos">47</span></a> <span class="k">return</span> <span class="p">[</span><span class="n">load</span><span class="p">(</span><span class="n">i</span><span class="p">)</span> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="n">obj</span><span class="p">]</span>
</span><span id="L-48"><a href="#L-48"><span class="linenos">48</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">obj</span><span class="p">,</span> <span class="nb">dict</span><span class="p">):</span>
</span><span id="L-49"><a href="#L-49"><span class="linenos">49</span></a> <span class="n">class_name</span> <span class="o">=</span> <span class="n">obj</span><span class="p">[</span><span class="s2">"class"</span><span class="p">]</span>
</span><span id="L-50"><a href="#L-50"><span class="linenos">50</span></a>
</span><span id="L-51"><a href="#L-51"><span class="linenos">51</span></a> <span class="k">if</span> <span class="n">class_name</span> <span class="o">==</span> <span class="s2">"DataType.Type"</span><span class="p">:</span>
</span><span id="L-52"><a href="#L-52"><span class="linenos">52</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">Type</span><span class="p">(</span><span class="n">obj</span><span class="p">[</span><span class="s2">"value"</span><span class="p">])</span>
</span><span id="L-53"><a href="#L-53"><span class="linenos">53</span></a>
</span><span id="L-54"><a href="#L-54"><span class="linenos">54</span></a> <span class="k">if</span> <span class="s2">"."</span> <span class="ow">in</span> <span class="n">class_name</span><span class="p">:</span>
</span><span id="L-55"><a href="#L-55"><span class="linenos">55</span></a> <span class="n">module_path</span><span class="p">,</span> <span class="n">class_name</span> <span class="o">=</span> <span class="n">class_name</span><span class="o">.</span><span class="n">rsplit</span><span class="p">(</span><span class="s2">"."</span><span class="p">,</span> <span class="n">maxsplit</span><span class="o">=</span><span class="mi">1</span><span class="p">)</span>
</span><span id="L-56"><a href="#L-56"><span class="linenos">56</span></a> <span class="n">module</span> <span class="o">=</span> <span class="nb">__import__</span><span class="p">(</span><span class="n">module_path</span><span class="p">,</span> <span class="n">fromlist</span><span class="o">=</span><span class="p">[</span><span class="n">class_name</span><span class="p">])</span>
</span><span id="L-57"><a href="#L-57"><span class="linenos">57</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="L-58"><a href="#L-58"><span class="linenos">58</span></a> <span class="n">module</span> <span class="o">=</span> <span class="n">exp</span>
</span><span id="L-59"><a href="#L-59"><span class="linenos">59</span></a>
</span><span id="L-60"><a href="#L-60"><span class="linenos">60</span></a> <span class="n">klass</span> <span class="o">=</span> <span class="nb">getattr</span><span class="p">(</span><span class="n">module</span><span class="p">,</span> <span class="n">class_name</span><span class="p">)</span>
</span><span id="L-61"><a href="#L-61"><span class="linenos">61</span></a>
</span><span id="L-62"><a href="#L-62"><span class="linenos">62</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">klass</span><span class="p">(</span><span class="o">**</span><span class="p">{</span><span class="n">k</span><span class="p">:</span> <span class="n">load</span><span class="p">(</span><span class="n">v</span><span class="p">)</span> <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">obj</span><span class="p">[</span><span class="s2">"args"</span><span class="p">]</span><span class="o">.</span><span class="n">items</span><span class="p">()})</span>
</span><span id="L-63"><a href="#L-63"><span class="linenos">63</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">type</span> <span class="o">=</span> <span class="n">obj</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"type"</span><span class="p">)</span>
</span><span id="L-64"><a href="#L-64"><span class="linenos">64</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">comments</span> <span class="o">=</span> <span class="n">obj</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"comments"</span><span class="p">)</span>
</span><span id="L-65"><a href="#L-65"><span class="linenos">65</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">_meta</span> <span class="o">=</span> <span class="n">obj</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"meta"</span><span class="p">)</span>
</span><span id="L-66"><a href="#L-66"><span class="linenos">66</span></a>
</span><span id="L-67"><a href="#L-67"><span class="linenos">67</span></a> <span class="k">return</span> <span class="n">expression</span>
</span><span id="L-68"><a href="#L-68"><span class="linenos">68</span></a> <span class="k">return</span> <span class="n">obj</span>
</span></pre></div>
</section>
<section id="dump">
<input id="dump-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
<div class="attr function">
<span class="def">def</span>
<span class="name">dump</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">node</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="n">List</span><span class="p">[</span><span class="n">ForwardRef</span><span class="p">(</span><span class="s1">'Node'</span><span class="p">)],</span> <span class="n"><a href="expressions.html#DataType.Type">sqlglot.expressions.DataType.Type</a></span><span class="p">,</span> <span class="n"><a href="expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">,</span> <span class="nb">dict</span><span class="p">,</span> <span class="nb">list</span><span class="p">,</span> <span class="nb">str</span><span class="p">,</span> <span class="nb">float</span><span class="p">,</span> <span class="nb">int</span><span class="p">,</span> <span class="nb">bool</span><span class="p">]</span></span><span class="return-annotation">) -> <span class="n">Union</span><span class="p">[</span><span class="nb">dict</span><span class="p">,</span> <span class="nb">list</span><span class="p">,</span> <span class="nb">str</span><span class="p">,</span> <span class="nb">float</span><span class="p">,</span> <span class="nb">int</span><span class="p">,</span> <span class="nb">bool</span><span class="p">]</span>:</span></span>
<label class="view-source-button" for="dump-view-source"><span>View Source</span></label>
</div>
<a class="headerlink" href="#dump"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="dump-13"><a href="#dump-13"><span class="linenos">13</span></a><span class="k">def</span> <span class="nf">dump</span><span class="p">(</span><span class="n">node</span><span class="p">:</span> <span class="n">Node</span><span class="p">)</span> <span class="o">-></span> <span class="n">JSON</span><span class="p">:</span>
</span><span id="dump-14"><a href="#dump-14"><span class="linenos">14</span></a><span class="w"> </span><span class="sd">"""</span>
</span><span id="dump-15"><a href="#dump-15"><span class="linenos">15</span></a><span class="sd"> Recursively dump an AST into a JSON-serializable dict.</span>
</span><span id="dump-16"><a href="#dump-16"><span class="linenos">16</span></a><span class="sd"> """</span>
</span><span id="dump-17"><a href="#dump-17"><span class="linenos">17</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="nb">list</span><span class="p">):</span>
</span><span id="dump-18"><a href="#dump-18"><span class="linenos">18</span></a> <span class="k">return</span> <span class="p">[</span><span class="n">dump</span><span class="p">(</span><span class="n">i</span><span class="p">)</span> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="n">node</span><span class="p">]</span>
</span><span id="dump-19"><a href="#dump-19"><span class="linenos">19</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">DataType</span><span class="o">.</span><span class="n">Type</span><span class="p">):</span>
</span><span id="dump-20"><a href="#dump-20"><span class="linenos">20</span></a> <span class="k">return</span> <span class="p">{</span>
</span><span id="dump-21"><a href="#dump-21"><span class="linenos">21</span></a> <span class="s2">"class"</span><span class="p">:</span> <span class="s2">"DataType.Type"</span><span class="p">,</span>
</span><span id="dump-22"><a href="#dump-22"><span class="linenos">22</span></a> <span class="s2">"value"</span><span class="p">:</span> <span class="n">node</span><span class="o">.</span><span class="n">value</span><span class="p">,</span>
</span><span id="dump-23"><a href="#dump-23"><span class="linenos">23</span></a> <span class="p">}</span>
</span><span id="dump-24"><a href="#dump-24"><span class="linenos">24</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">node</span><span class="p">,</span> <span class="n">exp</span><span class="o">.</span><span class="n">Expression</span><span class="p">):</span>
</span><span id="dump-25"><a href="#dump-25"><span class="linenos">25</span></a> <span class="n">klass</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__qualname__</span>
</span><span id="dump-26"><a href="#dump-26"><span class="linenos">26</span></a> <span class="k">if</span> <span class="n">node</span><span class="o">.</span><span class="vm">__class__</span><span class="o">.</span><span class="vm">__module__</span> <span class="o">!=</span> <span class="n">exp</span><span class="o">.</span><span class="vm">__name__</span><span class="p">:</span>
</span><span id="dump-27"><a href="#dump-27"><span class="linenos">27</span></a> <span class="n">klass</span> <span class="o">=</span> <span class="sa">f</span><span class="s2">"</span><span class="si">{</span><span class="n">node</span><span class="o">.</span><span class="vm">__module__</span><span class="si">}</span><span class="s2">.</span><span class="si">{</span><span class="n">klass</span><span class="si">}</span><span class="s2">"</span>
</span><span id="dump-28"><a href="#dump-28"><span class="linenos">28</span></a> <span class="n">obj</span> <span class="o">=</span> <span class="p">{</span>
</span><span id="dump-29"><a href="#dump-29"><span class="linenos">29</span></a> <span class="s2">"class"</span><span class="p">:</span> <span class="n">klass</span><span class="p">,</span>
</span><span id="dump-30"><a href="#dump-30"><span class="linenos">30</span></a> <span class="s2">"args"</span><span class="p">:</span> <span class="p">{</span><span class="n">k</span><span class="p">:</span> <span class="n">dump</span><span class="p">(</span><span class="n">v</span><span class="p">)</span> <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">node</span><span class="o">.</span><span class="n">args</span><span class="o">.</span><span class="n">items</span><span class="p">()</span> <span class="k">if</span> <span class="n">v</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span> <span class="ow">and</span> <span class="n">v</span> <span class="o">!=</span> <span class="p">[]},</span>
</span><span id="dump-31"><a href="#dump-31"><span class="linenos">31</span></a> <span class="p">}</span>
</span><span id="dump-32"><a href="#dump-32"><span class="linenos">32</span></a> <span class="k">if</span> <span class="n">node</span><span class="o">.</span><span class="n">type</span><span class="p">:</span>
</span><span id="dump-33"><a href="#dump-33"><span class="linenos">33</span></a> <span class="n">obj</span><span class="p">[</span><span class="s2">"type"</span><span class="p">]</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">type</span><span class="o">.</span><span class="n">sql</span><span class="p">()</span>
</span><span id="dump-34"><a href="#dump-34"><span class="linenos">34</span></a> <span class="k">if</span> <span class="n">node</span><span class="o">.</span><span class="n">comments</span><span class="p">:</span>
</span><span id="dump-35"><a href="#dump-35"><span class="linenos">35</span></a> <span class="n">obj</span><span class="p">[</span><span class="s2">"comments"</span><span class="p">]</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">comments</span>
</span><span id="dump-36"><a href="#dump-36"><span class="linenos">36</span></a> <span class="k">if</span> <span class="n">node</span><span class="o">.</span><span class="n">_meta</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">:</span>
</span><span id="dump-37"><a href="#dump-37"><span class="linenos">37</span></a> <span class="n">obj</span><span class="p">[</span><span class="s2">"meta"</span><span class="p">]</span> <span class="o">=</span> <span class="n">node</span><span class="o">.</span><span class="n">_meta</span>
</span><span id="dump-38"><a href="#dump-38"><span class="linenos">38</span></a>
</span><span id="dump-39"><a href="#dump-39"><span class="linenos">39</span></a> <span class="k">return</span> <span class="n">obj</span>
</span><span id="dump-40"><a href="#dump-40"><span class="linenos">40</span></a> <span class="k">return</span> <span class="n">node</span>
</span></pre></div>
<div class="docstring"><p>Recursively dump an AST into a JSON-serializable dict.</p>
</div>
</section>
<section id="load">
<input id="load-view-source" class="view-source-toggle-state" type="checkbox" aria-hidden="true" tabindex="-1">
<div class="attr function">
<span class="def">def</span>
<span class="name">load</span><span class="signature pdoc-code multiline">(<span class="param"> <span class="n">obj</span><span class="p">:</span> <span class="n">Union</span><span class="p">[</span><span class="nb">dict</span><span class="p">,</span> <span class="nb">list</span><span class="p">,</span> <span class="nb">str</span><span class="p">,</span> <span class="nb">float</span><span class="p">,</span> <span class="nb">int</span><span class="p">,</span> <span class="nb">bool</span><span class="p">]</span></span><span class="return-annotation">) -> <span class="n">Union</span><span class="p">[</span><span class="n">List</span><span class="p">[</span><span class="n">ForwardRef</span><span class="p">(</span><span class="s1">'Node'</span><span class="p">)],</span> <span class="n"><a href="expressions.html#DataType.Type">sqlglot.expressions.DataType.Type</a></span><span class="p">,</span> <span class="n"><a href="expressions.html#Expression">sqlglot.expressions.Expression</a></span><span class="p">,</span> <span class="nb">dict</span><span class="p">,</span> <span class="nb">list</span><span class="p">,</span> <span class="nb">str</span><span class="p">,</span> <span class="nb">float</span><span class="p">,</span> <span class="nb">int</span><span class="p">,</span> <span class="nb">bool</span><span class="p">]</span>:</span></span>
<label class="view-source-button" for="load-view-source"><span>View Source</span></label>
</div>
<a class="headerlink" href="#load"></a>
<div class="pdoc-code codehilite"><pre><span></span><span id="load-43"><a href="#load-43"><span class="linenos">43</span></a><span class="k">def</span> <span class="nf">load</span><span class="p">(</span><span class="n">obj</span><span class="p">:</span> <span class="n">JSON</span><span class="p">)</span> <span class="o">-></span> <span class="n">Node</span><span class="p">:</span>
</span><span id="load-44"><a href="#load-44"><span class="linenos">44</span></a><span class="w"> </span><span class="sd">"""</span>
</span><span id="load-45"><a href="#load-45"><span class="linenos">45</span></a><span class="sd"> Recursively load a dict (as returned by `dump`) into an AST.</span>
</span><span id="load-46"><a href="#load-46"><span class="linenos">46</span></a><span class="sd"> """</span>
</span><span id="load-47"><a href="#load-47"><span class="linenos">47</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">obj</span><span class="p">,</span> <span class="nb">list</span><span class="p">):</span>
</span><span id="load-48"><a href="#load-48"><span class="linenos">48</span></a> <span class="k">return</span> <span class="p">[</span><span class="n">load</span><span class="p">(</span><span class="n">i</span><span class="p">)</span> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="n">obj</span><span class="p">]</span>
</span><span id="load-49"><a href="#load-49"><span class="linenos">49</span></a> <span class="k">if</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">obj</span><span class="p">,</span> <span class="nb">dict</span><span class="p">):</span>
</span><span id="load-50"><a href="#load-50"><span class="linenos">50</span></a> <span class="n">class_name</span> <span class="o">=</span> <span class="n">obj</span><span class="p">[</span><span class="s2">"class"</span><span class="p">]</span>
</span><span id="load-51"><a href="#load-51"><span class="linenos">51</span></a>
</span><span id="load-52"><a href="#load-52"><span class="linenos">52</span></a> <span class="k">if</span> <span class="n">class_name</span> <span class="o">==</span> <span class="s2">"DataType.Type"</span><span class="p">:</span>
</span><span id="load-53"><a href="#load-53"><span class="linenos">53</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">Type</span><span class="p">(</span><span class="n">obj</span><span class="p">[</span><span class="s2">"value"</span><span class="p">])</span>
</span><span id="load-54"><a href="#load-54"><span class="linenos">54</span></a>
</span><span id="load-55"><a href="#load-55"><span class="linenos">55</span></a> <span class="k">if</span> <span class="s2">"."</span> <span class="ow">in</span> <span class="n">class_name</span><span class="p">:</span>
</span><span id="load-56"><a href="#load-56"><span class="linenos">56</span></a> <span class="n">module_path</span><span class="p">,</span> <span class="n">class_name</span> <span class="o">=</span> <span class="n">class_name</span><span class="o">.</span><span class="n">rsplit</span><span class="p">(</span><span class="s2">"."</span><span class="p">,</span> <span class="n">maxsplit</span><span class="o">=</span><span class="mi">1</span><span class="p">)</span>
</span><span id="load-57"><a href="#load-57"><span class="linenos">57</span></a> <span class="n">module</span> <span class="o">=</span> <span class="nb">__import__</span><span class="p">(</span><span class="n">module_path</span><span class="p">,</span> <span class="n">fromlist</span><span class="o">=</span><span class="p">[</span><span class="n">class_name</span><span class="p">])</span>
</span><span id="load-58"><a href="#load-58"><span class="linenos">58</span></a> <span class="k">else</span><span class="p">:</span>
</span><span id="load-59"><a href="#load-59"><span class="linenos">59</span></a> <span class="n">module</span> <span class="o">=</span> <span class="n">exp</span>
</span><span id="load-60"><a href="#load-60"><span class="linenos">60</span></a>
</span><span id="load-61"><a href="#load-61"><span class="linenos">61</span></a> <span class="n">klass</span> <span class="o">=</span> <span class="nb">getattr</span><span class="p">(</span><span class="n">module</span><span class="p">,</span> <span class="n">class_name</span><span class="p">)</span>
</span><span id="load-62"><a href="#load-62"><span class="linenos">62</span></a>
</span><span id="load-63"><a href="#load-63"><span class="linenos">63</span></a> <span class="n">expression</span> <span class="o">=</span> <span class="n">klass</span><span class="p">(</span><span class="o">**</span><span class="p">{</span><span class="n">k</span><span class="p">:</span> <span class="n">load</span><span class="p">(</span><span class="n">v</span><span class="p">)</span> <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">obj</span><span class="p">[</span><span class="s2">"args"</span><span class="p">]</span><span class="o">.</span><span class="n">items</span><span class="p">()})</span>
</span><span id="load-64"><a href="#load-64"><span class="linenos">64</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">type</span> <span class="o">=</span> <span class="n">obj</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"type"</span><span class="p">)</span>
</span><span id="load-65"><a href="#load-65"><span class="linenos">65</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">comments</span> <span class="o">=</span> <span class="n">obj</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"comments"</span><span class="p">)</span>
</span><span id="load-66"><a href="#load-66"><span class="linenos">66</span></a> <span class="n">expression</span><span class="o">.</span><span class="n">_meta</span> <span class="o">=</span> <span class="n">obj</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">"meta"</span><span class="p">)</span>
</span><span id="load-67"><a href="#load-67"><span class="linenos">67</span></a>
</span><span id="load-68"><a href="#load-68"><span class="linenos">68</span></a> <span class="k">return</span> <span class="n">expression</span>
</span><span id="load-69"><a href="#load-69"><span class="linenos">69</span></a> <span class="k">return</span> <span class="n">obj</span>
</span></pre></div>
<div class="docstring"><p>Recursively load a dict (as returned by <code><a href="#dump">dump</a></code>) into an AST.</p>
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