def create_publisher(app: "Sphinx", filetype: str) -> Publisher:
reader = SphinxStandaloneReader()
reader.setup(app)
parser = app.registry.create_source_parser(app, filetype)
if parser.__class__.__name__ == 'CommonMarkParser' and parser.settings_spec == (
):
# a workaround for recommonmark
# If recommonmark.AutoStrictify is enabled, the parser invokes reST parser
# internally. But recommonmark-0.4.0 does not provide settings_spec for reST
# parser. As a workaround, this copies settings_spec for RSTParser to the
# CommonMarkParser.
from docutils.parsers.rst import Parser as RSTParser
parser.settings_spec = RSTParser.settings_spec
pub = Publisher(reader=reader,
parser=parser,
writer=SphinxDummyWriter(),
source_class=SphinxFileInput,
destination=NullOutput())
# Propagate exceptions by default when used programmatically:
defaults = {"traceback": True, **app.env.settings}
# Set default settings
if docutils.__version_info__[:2] >= (0, 19):
pub.get_settings(**defaults) # type: ignore[arg-type]
else:
pub.settings = pub.setup_option_parser(
**defaults).get_default_values() # type: ignore
return pub
