Don't trace code if the reported filename is *.html. Fixes issue #82.

1 files changed, 8 insertions, 0 deletions

diff --git a/coverage/control.py b/coverage/control.py
index b7dfa0a8..05a75031 100644
--- a/coverage/control.py
+++ b/coverage/control.py
@@ -198,6 +198,14 @@ class coverage(object):
             # can't do anything with the data later anyway.
             return False
 
+        if filename.endswith(".html"):
+            # Jinja and maybe other templating systems compile templates into
+            # Python code, but use the template filename as the filename in
+            # the compiled code.  Of course, those filenames are useless later
+            # so don't bother collecting.  TODO: How should we really separate
+            # out good file extensions from bad?
+            return False
+
         self._check_for_packages()
 
         # Compiled Python files have two filenames: frame.f_code.co_filename is