Fixed #32144 -- Made makemessages remove temporary files when locale path doesn't exist.

django/core/management/commands/makemessages.py

@@ -581,6 +581,8 @@ class Command(BaseCommand):
 
         if msgs:
             if locale_dir is NO_LOCALE_DIR:
+                for build_file in build_files:
+                    build_file.cleanup()
                 file_path = os.path.normpath(build_files[0].path)
                 raise CommandError(
                     "Unable to find a locale path to store translations for "

tests/i18n/project_dir/app_no_locale/test.html

@@ -0,0 +1,4 @@
+A non-Python file will be classed as translatable.
+
+The temporary file created from this should be removed from the file system if
+an error is raised.

tests/i18n/test_extraction.py

@@ -765,6 +765,8 @@ class CustomLayoutExtractionTests(ExtractorTests):
         )
         with self.assertRaisesMessage(management.CommandError, msg):
             management.call_command('makemessages', locale=[LOCALE], verbosity=0)
+        # Working files are cleaned up on an error.
+        self.assertFalse(os.path.exists('./app_no_locale/test.html.py'))
 
     def test_project_locale_paths(self):
         self._test_project_locale_paths(os.path.join(self.test_dir, 'project_locale'))