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from __future__ import annotations
import os
from os import path
from typing import TYPE_CHECKING, Any, cast
from docutils import nodes
from docutils.nodes import Node, make_id
from docutils.parsers.rst import directives
from docutils.parsers.rst.directives import images, tables
from docutils.parsers.rst.directives.misc import Meta # type: ignore[attr-defined]
from docutils.parsers.rst.roles import set_classes
from sphinx.directives import optional_int
from sphinx.domains.math import MathDomain
from sphinx.locale import __
from sphinx.util import logging
from sphinx.util.docutils import SphinxDirective
from sphinx.util.nodes import set_source_info
from sphinx.util.osutil import SEP, os_path, relpath
if TYPE_CHECKING:
from sphinx.application import Sphinx
from sphinx.util.typing import OptionSpec
logger = logging.getLogger(__name__)
class Figure(images.Figure):
"""The figure directive which applies `:name:` option to the figure node
instead of the image node.
"""
def run(self) -> list[Node]:
name = self.options.pop('name', None)
result = super().run()
if len(result) == 2 or isinstance(result[0], nodes.system_message):
return result
assert len(result) == 1
figure_node = cast(nodes.figure, result[0])
if name:
# set ``name`` to figure_node if given
self.options['name'] = name
self.add_name(figure_node)
# copy lineno from image node
if figure_node.line is None and len(figure_node) == 2:
caption = cast(nodes.caption, figure_node[1])
figure_node.line = caption.line
return [figure_node]
class CSVTable(tables.CSVTable):
"""The csv-table directive which searches a CSV file from Sphinx project's source
directory when an absolute path is given via :file: option.
"""
def run(self) -> list[Node]:
if 'file' in self.options and self.options['file'].startswith((SEP, os.sep)):
env = self.state.document.settings.env
filename = self.options['file']
if path.exists(filename):
logger.warning(__('":file:" option for csv-table directive now recognizes '
'an absolute path as a relative path from source directory. '
'Please update your document.'),
location=(env.docname, self.lineno))
else:
abspath = path.join(env.srcdir, os_path(self.options['file'][1:]))
docdir = path.dirname(env.doc2path(env.docname))
self.options['file'] = relpath(abspath, docdir)
return super().run()
class Code(SphinxDirective):
"""Parse and mark up content of a code block.
This is compatible with docutils' :rst:dir:`code` directive.
"""
optional_arguments = 1
option_spec: OptionSpec = {
'class': directives.class_option,
'force': directives.flag,
'name': directives.unchanged,
'number-lines': optional_int,
}
has_content = True
def run(self) -> list[Node]:
self.assert_has_content()
set_classes(self.options)
code = '\n'.join(self.content)
node = nodes.literal_block(code, code,
classes=self.options.get('classes', []),
force='force' in self.options,
highlight_args={})
self.add_name(node)
set_source_info(self, node)
if self.arguments:
# highlight language specified
node['language'] = self.arguments[0]
else:
# no highlight language specified. Then this directive refers the current
# highlight setting via ``highlight`` directive or ``highlight_language``
# configuration.
node['language'] = self.env.temp_data.get('highlight_language',
self.config.highlight_language)
if 'number-lines' in self.options:
node['linenos'] = True
# if number given, treat as lineno-start.
if self.options['number-lines']:
node['highlight_args']['linenostart'] = self.options['number-lines']
return [node]
class MathDirective(SphinxDirective):
has_content = True
required_arguments = 0
optional_arguments = 1
final_argument_whitespace = True
option_spec: OptionSpec = {
'label': directives.unchanged,
'name': directives.unchanged,
'class': directives.class_option,
'nowrap': directives.flag,
}
def run(self) -> list[Node]:
latex = '\n'.join(self.content)
if self.arguments and self.arguments[0]:
latex = self.arguments[0] + '\n\n' + latex
label = self.options.get('label', self.options.get('name'))
node = nodes.math_block(latex, latex,
classes=self.options.get('class', []),
docname=self.env.docname,
number=None,
label=label,
nowrap='nowrap' in self.options)
self.add_name(node)
self.set_source_info(node)
ret: list[Node] = [node]
self.add_target(ret)
return ret
def add_target(self, ret: list[Node]) -> None:
node = cast(nodes.math_block, ret[0])
# assign label automatically if math_number_all enabled
if node['label'] == '' or (self.config.math_number_all and not node['label']):
seq = self.env.new_serialno('sphinx.ext.math#equations')
node['label'] = "%s:%d" % (self.env.docname, seq)
# no targets and numbers are needed
if not node['label']:
return
# register label to domain
domain = cast(MathDomain, self.env.get_domain('math'))
domain.note_equation(self.env.docname, node['label'], location=node)
node['number'] = domain.get_equation_number_for(node['label'])
# add target node
node_id = make_id('equation-%s' % node['label'])
target = nodes.target('', '', ids=[node_id])
self.state.document.note_explicit_target(target)
ret.insert(0, target)
def setup(app: Sphinx) -> dict[str, Any]:
directives.register_directive('figure', Figure)
directives.register_directive('meta', Meta)
directives.register_directive('csv-table', CSVTable)
directives.register_directive('code', Code)
directives.register_directive('math', MathDirective)
return {
'version': 'builtin',
'parallel_read_safe': True,
'parallel_write_safe': True,
}
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