Source code for myst_parser.sphinx_ext.main
"""The setup for the sphinx extension."""
from typing import Any
from docutils import nodes
from sphinx.application import Sphinx
from myst_parser.parsers.docutils_ import (
depart_container_html,
depart_rubric_html,
visit_container_html,
visit_rubric_html,
)
from myst_parser.warnings_ import MystWarnings
[docs]def setup_sphinx(app: Sphinx, load_parser: bool = False) -> None:
"""Initialize all settings and transforms in Sphinx.
:param app: The Sphinx application object.
:param load_parser: Whether to load the parser.
"""
# we do this separately to setup,
# so that it can be called by external packages like myst_nb
from myst_parser.config.main import MdParserConfig
from myst_parser.parsers.sphinx_ import MystParser
from myst_parser.sphinx_ext.directives import (
FigureMarkdown,
SubstitutionReferenceRole,
)
from myst_parser.sphinx_ext.mathjax import override_mathjax
from myst_parser.sphinx_ext.myst_refs import MystReferenceResolver
if load_parser:
app.add_source_suffix(".md", "markdown")
app.add_source_parser(MystParser)
app.add_role("sub-ref", SubstitutionReferenceRole())
app.add_directive("figure-md", FigureMarkdown)
app.add_post_transform(MystReferenceResolver)
# override only the html writer visit methods for rubric, to use the "level" attribute
# this allows for nested headers to be correctly rendered
app.add_node(
nodes.rubric, override=True, html=(visit_rubric_html, depart_rubric_html)
)
# override only the html writer visit methods for container,
# to remove the "container" class for divs
# this avoids CSS clashes with the bootstrap theme
app.add_node(
nodes.container,
override=True,
html=(visit_container_html, depart_container_html),
)
for name, default, field in MdParserConfig().as_triple():
if "sphinx" not in field.metadata.get("omit", []):
# TODO add types?
app.add_config_value(f"myst_{name}", default, "env", types=Any)
app.connect("builder-inited", create_myst_config)
app.connect("builder-inited", override_mathjax)
[docs]def create_myst_config(app):
"""Create the myst config object and add it to the sphinx environment."""
from sphinx.util import logging
# Ignore type checkers because the attribute is dynamically assigned
from sphinx.util.console import bold # type: ignore[attr-defined]
from myst_parser import __version__
from myst_parser.config.main import MdParserConfig
logger = logging.getLogger(__name__)
values = {
name: app.config[f"myst_{name}"]
for name, _, field in MdParserConfig().as_triple()
if "sphinx" not in field.metadata.get("omit", [])
}
try:
app.env.myst_config = MdParserConfig(**values)
logger.info(bold("myst v%s:") + " %s", __version__, app.env.myst_config)
except (TypeError, ValueError) as error:
logger.error("myst configuration invalid: %s", error.args[0])
app.env.myst_config = MdParserConfig()
if "attrs_image" in app.env.myst_config.enable_extensions:
logger.warning(
"The `attrs_image` extension is deprecated, "
"please use `attrs_inline` instead.",
type="myst",
subtype=MystWarnings.DEPRECATED.value,
)