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"""Utility function and classes for Sphinx projects."""
from __future__ import annotations
import os
from glob import glob
from typing import Iterable
from sphinx.locale import __
from sphinx.util import logging
from sphinx.util.matching import get_matching_files
from sphinx.util.osutil import SEP, path_stabilize, relpath
logger = logging.getLogger(__name__)
EXCLUDE_PATHS = ['**/_sources', '.#*', '**/.#*', '*.lproj/**']
class Project:
"""A project is the source code set of the Sphinx document(s)."""
def __init__(self, srcdir: str, source_suffix: dict[str, str]) -> None:
#: Source directory.
self.srcdir = srcdir
#: source_suffix. Same as :confval:`source_suffix`.
self.source_suffix = source_suffix
#: The name of documents belongs to this project.
self.docnames: set[str] = set()
def restore(self, other: Project) -> None:
"""Take over a result of last build."""
self.docnames = other.docnames
def discover(self, exclude_paths: Iterable[str] = (),
include_paths: Iterable[str] = ("**",)) -> set[str]:
"""Find all document files in the source directory and put them in
:attr:`docnames`.
"""
self.docnames = set()
for filename in get_matching_files(
self.srcdir,
include_paths,
[*exclude_paths] + EXCLUDE_PATHS,
):
docname = self.path2doc(filename)
if docname:
if docname in self.docnames:
pattern = os.path.join(self.srcdir, docname) + '.*'
files = [relpath(f, self.srcdir) for f in glob(pattern)]
logger.warning(__('multiple files found for the document "%s": %r\n'
'Use %r for the build.'),
docname, files, self.doc2path(docname), once=True)
elif os.access(os.path.join(self.srcdir, filename), os.R_OK):
self.docnames.add(docname)
else:
logger.warning(__("document not readable. Ignored."), location=docname)
return self.docnames
def path2doc(self, filename: str) -> str | None:
"""Return the docname for the filename if the file is a document.
*filename* should be absolute or relative to the source directory.
"""
if filename.startswith(self.srcdir):
filename = relpath(filename, self.srcdir)
for suffix in self.source_suffix:
if filename.endswith(suffix):
filename = path_stabilize(filename)
return filename[:-len(suffix)]
# the file does not have docname
return None
def doc2path(self, docname: str, basedir: bool = True) -> str:
"""Return the filename for the document name.
If *basedir* is True, return as an absolute path.
Else, return as a relative path to the source directory.
"""
docname = docname.replace(SEP, os.path.sep)
basename = os.path.join(self.srcdir, docname)
for suffix in self.source_suffix:
if os.path.isfile(basename + suffix):
break
else:
# document does not exist
suffix = list(self.source_suffix)[0]
if basedir:
return basename + suffix
else:
return docname + suffix
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