In the template directory grokker, ignore files without extensions.

.gitignore

@@ -6,3 +6,4 @@ src/*.egg-info
 bin
 develop-eggs
 parts
+*.swp

CHANGES.txt

@@ -4,7 +4,7 @@ Changes
 2.11 (unreleased)
 -----------------
 
-- Nothing changed yet.
+- In the template directory grokker, ignore files without extensions.
 
 
 2.10.2 (2016-02-02)

src/grokcore/view/templatereg.py

@@ -162,6 +162,9 @@ def _register_template_file(self, module_info, template_path):
                               "for pt files. Now the file '%s' in '%s' "
                               "cannot be rendered" %
                               (template_file, template_dir), UserWarning, 2)
+            elif extension == '':
+                """Don't choke on subdirs or files without extensions."""
+                return
             else:
                 warnings.warn("File '%s' has an unrecognized extension in "
                               "directory '%s'" %

src/grokcore/view/tests/view/dirtemplatesonly.py

@@ -24,6 +24,11 @@
 The same applies to files and directories ending with '~' or starting
 with a dot ('.').
 
+Subdirectories of the template directory are not warned about either::
+
+  >>> 'subdir' in lastwarning
+  False
+
 Restore the warning machinery::
 
   >>> warnings.warn = saved_warn

src/grokcore/view/tests/view/dirtemplatesonly_templates/subdir/.empty

@@ -0,0 +1 @@
+# I am only here in order to add this dir to git.