Ensured that `makemessages` doesn't leave any temporary file over if the parsing of a template file fails. Refs #8536.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@17240 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/core/management/commands/makemessages.py

@@ -229,9 +229,10 @@ def make_messages(locale=None, domain='django', verbosity='1', all=False,
                 if file_ext in extensions:
                     src = open(orig_file, "rU").read()
                     thefile = '%s.py' % file
+                    content = templatize(src, orig_file[2:])
                     f = open(os.path.join(dirpath, thefile), "w")
                     try:
-                        f.write(templatize(src, orig_file[2:]))
+                        f.write(content)
                     finally:
                         f.close()
                 if verbosity > 1:

tests/regressiontests/i18n/commands/extraction.py

@@ -108,16 +108,14 @@ class BasicExtractorTests(ExtractorTests):
         os.chdir(self.test_dir)
         shutil.copyfile('./templates/template_with_error.tpl', './templates/template_with_error.html')
         self.assertRaises(SyntaxError, management.call_command, 'makemessages', locale=LOCALE, verbosity=0)
-        try:
+        with self.assertRaises(SyntaxError) as context_manager:
             management.call_command('makemessages', locale=LOCALE, verbosity=0)
-        except SyntaxError, e:
-            self.assertRegexpMatches(
-                str(e),
+        self.assertRegexpMatches(str(context_manager.exception),
                 r'Translation blocks must not include other block tags: blocktrans \(file templates[/\\]template_with_error\.html, line 3\)'
             )
-        finally:
         os.remove('./templates/template_with_error.html')
-            os.remove('./templates/template_with_error.html.py') # Waiting for #8536 to be fixed
+        # Check that the temporary file was cleaned up
+        self.assertFalse(os.path.exists('./templates/template_with_error.html.py'))
 
     def test_template_message_context_extractor(self):
         """