Use `_StrPath in sphinx.util.i18n` (#13050)

sphinx/application.py

@@ -316,9 +316,9 @@ class Sphinx:
                 catalog.write_mo(self.config.language,
                                  self.config.gettext_allow_fuzzy_translations)
 
-        locale_dirs: list[str | None] = list(repo.locale_dirs)
+        locale_dirs: list[_StrPath | None] = list(repo.locale_dirs)
         locale_dirs += [None]
-        locale_dirs += [path.join(package_dir, 'locale')]
+        locale_dirs += [_StrPath(package_dir, 'locale')]
 
         self.translator, has_translation = locale.init(locale_dirs, self.config.language)
         if has_translation or self.config.language == 'en':

sphinx/environment/__init__.py

@@ -463,7 +463,7 @@ class BuildEnvironment:
                 for docname in self.found_docs:
                     domain = docname_to_domain(docname, self.config.gettext_compact)
                     if domain in mo_paths:
-                        self.dependencies[docname].add(mo_paths[domain])
+                        self.dependencies[docname].add(str(mo_paths[domain]))
         except OSError as exc:
             raise DocumentError(
                 __('Failed to scan documents in %s: %r') % (self.srcdir, exc)

sphinx/util/i18n.py

@@ -6,7 +6,7 @@ import os
 import re
 from datetime import datetime
 from os import path
-from typing import TYPE_CHECKING, NamedTuple
+from typing import TYPE_CHECKING
 
 import babel.dates
 from babel.messages.mofile import write_mo
@@ -15,11 +15,11 @@ from babel.messages.pofile import read_po
 from sphinx.errors import SphinxError
 from sphinx.locale import __
 from sphinx.util import logging
+from sphinx.util._pathlib import _StrPath
 from sphinx.util.osutil import (
     SEP,
     _last_modified_time,
     canon_path,
-    relpath,
 )
 
 if TYPE_CHECKING:
@@ -64,34 +64,36 @@ from datetime import UTC
 logger = logging.getLogger(__name__)
 
 
-class LocaleFileInfoBase(NamedTuple):
-    base_dir: str
-    domain: str
-    charset: str
+class CatalogInfo:
+    __slots__ = ('base_dir', 'domain', 'charset')
 
+    def __init__(
+        self, base_dir: str | os.PathLike[str], domain: str, charset: str
+    ) -> None:
+        self.base_dir = _StrPath(base_dir)
+        self.domain = domain
+        self.charset = charset
 
-class CatalogInfo(LocaleFileInfoBase):
     @property
     def po_file(self) -> str:
-        return self.domain + '.po'
+        return f'{self.domain}.po'
 
     @property
     def mo_file(self) -> str:
-        return self.domain + '.mo'
+        return f'{self.domain}.mo'
 
     @property
-    def po_path(self) -> str:
-        return path.join(self.base_dir, self.po_file)
+    def po_path(self) -> _StrPath:
+        return self.base_dir / self.po_file
 
     @property
-    def mo_path(self) -> str:
-        return path.join(self.base_dir, self.mo_file)
+    def mo_path(self) -> _StrPath:
+        return self.base_dir / self.mo_file
 
     def is_outdated(self) -> bool:
-        return (
-            not path.exists(self.mo_path)
-            or _last_modified_time(self.mo_path) < _last_modified_time(self.po_path)
-        )  # fmt: skip
+        return not self.mo_path.exists() or (
+            _last_modified_time(self.mo_path) < _last_modified_time(self.po_path)
+        )
 
     def write_mo(self, locale: str, use_fuzzy: bool = False) -> None:
         with open(self.po_path, encoding=self.charset) as file_po:
@@ -118,38 +120,33 @@ class CatalogRepository:
         language: str,
         encoding: str,
     ) -> None:
-        self.basedir = basedir
+        self.basedir = _StrPath(basedir)
         self._locale_dirs = locale_dirs
         self.language = language
         self.encoding = encoding
 
     @property
-    def locale_dirs(self) -> Iterator[str]:
+    def locale_dirs(self) -> Iterator[_StrPath]:
         if not self.language:
             return
 
         for locale_dir in self._locale_dirs:
-            locale_dir = path.join(self.basedir, locale_dir)
-            locale_path = path.join(locale_dir, self.language, 'LC_MESSAGES')
-            if path.exists(locale_path):
-                yield locale_dir
+            locale_path = self.basedir / locale_dir / self.language / 'LC_MESSAGES'
+            if locale_path.exists():
+                yield self.basedir / locale_dir
             else:
                 logger.verbose(__('locale_dir %s does not exist'), locale_path)
 
     @property
-    def pofiles(self) -> Iterator[tuple[str, str]]:
+    def pofiles(self) -> Iterator[tuple[_StrPath, _StrPath]]:
         for locale_dir in self.locale_dirs:
-            basedir = path.join(locale_dir, self.language, 'LC_MESSAGES')
-            for root, dirnames, filenames in os.walk(basedir):
+            locale_path = locale_dir / self.language / 'LC_MESSAGES'
+            for abs_path in locale_path.rglob('*.po'):
+                rel_path = abs_path.relative_to(locale_path)
                 # skip dot-directories
-                dot_directories = [d for d in dirnames if d.startswith('.')]
-                for dirname in dot_directories:
-                    dirnames.remove(dirname)
-
-                for filename in filenames:
-                    if filename.endswith('.po'):
-                        fullpath = path.join(root, filename)
-                        yield basedir, relpath(fullpath, basedir)
+                if any(part.startswith('.') for part in rel_path.parts[:-1]):
+                    continue
+                yield locale_path, rel_path
 
     @property
     def catalogs(self) -> Iterator[CatalogInfo]:

tests/test_util/test_util_i18n.py

@@ -3,6 +3,7 @@
 import datetime
 import os
 import time
+from pathlib import Path
 
 import babel
 import pytest
@@ -18,16 +19,16 @@ def test_catalog_info_for_file_and_path():
     cat = i18n.CatalogInfo('path', 'domain', 'utf-8')
     assert cat.po_file == 'domain.po'
     assert cat.mo_file == 'domain.mo'
-    assert cat.po_path == os.path.join('path', 'domain.po')
-    assert cat.mo_path == os.path.join('path', 'domain.mo')
+    assert cat.po_path == str(Path('path', 'domain.po'))
+    assert cat.mo_path == str(Path('path', 'domain.mo'))
 
 
 def test_catalog_info_for_sub_domain_file_and_path():
     cat = i18n.CatalogInfo('path', 'sub/domain', 'utf-8')
     assert cat.po_file == 'sub/domain.po'
     assert cat.mo_file == 'sub/domain.mo'
-    assert cat.po_path == os.path.join('path', 'sub/domain.po')
-    assert cat.mo_path == os.path.join('path', 'sub/domain.mo')
+    assert cat.po_path == str(Path('path', 'sub', 'domain.po'))
+    assert cat.mo_path == str(Path('path', 'sub', 'domain.mo'))
 
 
 def test_catalog_outdated(tmp_path):
@@ -48,8 +49,9 @@ def test_catalog_write_mo(tmp_path):
     (tmp_path / 'test.po').write_text('#', encoding='utf8')
     cat = i18n.CatalogInfo(tmp_path, 'test', 'utf-8')
     cat.write_mo('en')
-    assert os.path.exists(cat.mo_path)
-    with open(cat.mo_path, 'rb') as f:
+    mo_path = Path(cat.mo_path)
+    assert mo_path.exists()
+    with open(mo_path, 'rb') as f:
         assert read_mo(f) is not None