Fix #7536: sphinx-autogen: crashes when template uses i18n feature

CHANGES

@@ -35,6 +35,7 @@ Features added
 * #248, #6040: autosummary: Add ``:recursive:`` option to autosummary directive
   to generate stub files recursively
 * #7535: sphinx-autogen: crashes when custom template uses inheritance
+* #7536: sphinx-autogen: crashes when template uses i18n feature
 * #7481: html theme: Add right margin to footnote/citation labels
 * #7482: html theme: CSS spacing for code blocks with captions and line numbers
 * #7443: html theme: Add new options :confval:`globaltoc_collapse` and

sphinx/ext/autosummary/generate.py

@@ -25,6 +25,7 @@ import pydoc
 import re
 import sys
 import warnings
+from gettext import NullTranslations
 from os import path
 from typing import Any, Callable, Dict, List, NamedTuple, Set, Tuple
 
@@ -58,10 +59,10 @@ logger = logging.getLogger(__name__)
 class DummyApplication:
     """Dummy Application class for sphinx-autogen command."""
 
-    def __init__(self) -> None:
+    def __init__(self, translator: NullTranslations) -> None:
         self.registry = SphinxComponentRegistry()
         self.messagelog = []  # type: List[str]
-        self.translator = None
+        self.translator = translator
         self.verbosity = 0
         self._warncount = 0
         self.warningiserror = False
@@ -528,8 +529,9 @@ The format of the autosummary directive is documented in the
 def main(argv: List[str] = sys.argv[1:]) -> None:
     sphinx.locale.setlocale(locale.LC_ALL, '')
     sphinx.locale.init_console(os.path.join(package_dir, 'locale'), 'sphinx')
+    translator, _ = sphinx.locale.init([], None)
 
-    app = DummyApplication()
+    app = DummyApplication(translator)
     logging.setup(app, sys.stdout, sys.stderr)  # type: ignore
     setup_documenters(app)
     args = get_parser().parse_args(argv)

tests/test_ext_autosummary.py

@@ -19,9 +19,10 @@ from sphinx import addnodes
 from sphinx.ext.autosummary import (
     autosummary_table, autosummary_toc, mangle_signature, import_by_name, extract_summary
 )
-from sphinx.ext.autosummary.generate import AutosummaryEntry, generate_autosummary_docs
+from sphinx.ext.autosummary.generate import AutosummaryEntry, generate_autosummary_docs, main as autogen_main
 from sphinx.testing.util import assert_node, etree_parse
 from sphinx.util.docutils import new_document
+from sphinx.util.osutil import cd
 
 html_warnfile = StringIO()
 
@@ -388,3 +389,10 @@ def test_empty_autosummary_generate(app, status, warning):
                     confoverrides={'autosummary_generate': ['unknown']})
 def test_invalid_autosummary_generate(app, status, warning):
     assert 'WARNING: autosummary_generate: file not found: unknown.rst' in warning.getvalue()
+
+
+def test_autogen(rootdir, tempdir):
+    with cd(rootdir / 'test-templating'):
+        args = ['-o', tempdir, '-t', '.', 'autosummary_templating.txt']
+        autogen_main(args)
+        assert (tempdir / 'sphinx.application.TemplateBridge.rst').exists()