More helpful errors for obvious errors

zopefoundation · Sep 19, 2011 · 3d8921a · 3d8921a
1 parent bd51560
commit 3d8921a
Showing 1 changed file with 10 additions and 3 deletions.
diff --git a/src/grokcore/view/templatereg.py b/src/grokcore/view/templatereg.py
@@ -157,9 +157,16 @@ def _register_template_file(self, module_info, template_path):
             # Warning when importing files. This should be
             # allowed because people may be using editors that generate
             # '.bak' files and such.
-            warnings.warn("File '%s' has an unrecognized extension in "
-                          "directory '%s'" %
-                          (template_file, template_dir), UserWarning, 2)
+            if extension == 'pt':
+                warnings.warn("You forgot to embed the zcml slug for "
+                              "grokcore.view. It provides a renderer "
+                              "for pt files. Now the file '%s' in '%s' "
+                              "cannot be rendered" %
+                              (template_file, template_dir), UserWarning, 2)
+            else:
+                warnings.warn("File '%s' has an unrecognized extension in "
+                              "directory '%s'" %
+                              (template_file, template_dir), UserWarning, 2)
             return
         template = template_factory(template_file, template_dir)
         template._annotateGrokInfo(template_name, template_path)