Fixed #9005: don't wig out when reversing a URL if SETTINGS_MODULE isn't set. While I was there, I fixed #10599 by re-raising the original error message, which is almost always a better idea. Thanks, Eric

git-svn-id: http://code.djangoproject.com/svn/django/trunk@10350 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/template/defaulttags.py

@@ -370,14 +370,21 @@ class URLNode(Node):
         url = ''
         try:
             url = reverse(self.view_name, args=args, kwargs=kwargs)
-        except NoReverseMatch:
-            project_name = settings.SETTINGS_MODULE.split('.')[0]
-            try:
-                url = reverse(project_name + '.' + self.view_name,
+        except NoReverseMatch, e:
+            if settings.SETTINGS_MODULE:
+                project_name = settings.SETTINGS_MODULE.split('.')[0]
+                try:
+                    url = reverse(project_name + '.' + self.view_name,
                               args=args, kwargs=kwargs)
-            except NoReverseMatch:
+                except NoReverseMatch:
+                    if self.asvar is None:
+                        # Re-raise the original exception, not the one with
+                        # the path relative to the project. This makes a 
+                        # better error message.
+                        raise e
+            else:
                 if self.asvar is None:
-                    raise
+                    raise e
 
         if self.asvar:
             context[self.asvar] = url

tests/regressiontests/templates/tests.py

@@ -153,6 +153,21 @@ class Templates(unittest.TestCase):
         split = token.split_contents()
         self.assertEqual(split, ["sometag", '_("Page not found")', 'value|yesno:_("yes,no")'])
 
+    def test_url_reverse_no_settings_module(self):
+        #Regression test for #9005
+        from django.template import Template, Context, TemplateSyntaxError
+        old_settings_module = settings.SETTINGS_MODULE
+        settings.SETTINGS_MODULE = None
+        t = Template('{% url will_not_match %}')
+        c = Context()
+        try:
+            rendered = t.render(c)
+        except TemplateSyntaxError, e:
+            #Assert that we are getting the template syntax error and not the
+            #string encoding error.
+            self.assertEquals(e.message, "Caught an exception while rendering: Reverse for 'will_not_match' with arguments '()' and keyword arguments '{}' not found.")
+        settings.SETTINGS_MODULE = old_settings_module
+
     def test_templates(self):
         template_tests = self.get_template_tests()
         filter_tests = filters.get_filter_tests()