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"""Manual pages builder."""
from __future__ import annotations
import warnings
from os import path
from typing import TYPE_CHECKING, Any
from docutils.frontend import OptionParser
from docutils.io import FileOutput
from sphinx import addnodes
from sphinx.builders import Builder
from sphinx.locale import __
from sphinx.util import logging
from sphinx.util.console import darkgreen # type: ignore[attr-defined]
from sphinx.util.display import progress_message
from sphinx.util.nodes import inline_all_toctrees
from sphinx.util.osutil import ensuredir, make_filename_from_project
from sphinx.writers.manpage import ManualPageTranslator, ManualPageWriter
if TYPE_CHECKING:
from sphinx.application import Sphinx
from sphinx.config import Config
logger = logging.getLogger(__name__)
class ManualPageBuilder(Builder):
"""
Builds groff output in manual page format.
"""
name = 'man'
format = 'man'
epilog = __('The manual pages are in %(outdir)s.')
default_translator_class = ManualPageTranslator
supported_image_types: list[str] = []
def init(self) -> None:
if not self.config.man_pages:
logger.warning(__('no "man_pages" config value found; no manual pages '
'will be written'))
def get_outdated_docs(self) -> str | list[str]:
return 'all manpages' # for now
def get_target_uri(self, docname: str, typ: str | None = None) -> str:
return ''
@progress_message(__('writing'))
def write(self, *ignored: Any) -> None:
docwriter = ManualPageWriter(self)
with warnings.catch_warnings():
warnings.filterwarnings('ignore', category=DeprecationWarning)
# DeprecationWarning: The frontend.OptionParser class will be replaced
# by a subclass of argparse.ArgumentParser in Docutils 0.21 or later.
docsettings: Any = OptionParser(
defaults=self.env.settings,
components=(docwriter,),
read_config_files=True).get_default_values()
for info in self.config.man_pages:
docname, name, description, authors, section = info
if docname not in self.env.all_docs:
logger.warning(__('"man_pages" config value references unknown '
'document %s'), docname)
continue
if isinstance(authors, str):
if authors:
authors = [authors]
else:
authors = []
docsettings.title = name
docsettings.subtitle = description
docsettings.authors = authors
docsettings.section = section
if self.config.man_make_section_directory:
dirname = 'man%s' % section
ensuredir(path.join(self.outdir, dirname))
targetname = f'{dirname}/{name}.{section}'
else:
targetname = f'{name}.{section}'
logger.info(darkgreen(targetname) + ' { ', nonl=True)
destination = FileOutput(
destination_path=path.join(self.outdir, targetname),
encoding='utf-8')
tree = self.env.get_doctree(docname)
docnames: set[str] = set()
largetree = inline_all_toctrees(self, docnames, docname, tree,
darkgreen, [docname])
largetree.settings = docsettings
logger.info('} ', nonl=True)
self.env.resolve_references(largetree, docname, self)
# remove pending_xref nodes
for pendingnode in largetree.findall(addnodes.pending_xref):
pendingnode.replace_self(pendingnode.children)
docwriter.write(largetree, destination)
def finish(self) -> None:
pass
def default_man_pages(config: Config) -> list[tuple[str, str, str, list[str], int]]:
""" Better default man_pages settings. """
filename = make_filename_from_project(config.project)
return [(config.root_doc, filename, f'{config.project} {config.release}',
[config.author], 1)]
def setup(app: Sphinx) -> dict[str, Any]:
app.add_builder(ManualPageBuilder)
app.add_config_value('man_pages', default_man_pages, False)
app.add_config_value('man_show_urls', False, False)
app.add_config_value('man_make_section_directory', False, False)
return {
'version': 'builtin',
'parallel_read_safe': True,
'parallel_write_safe': True,
}
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