they changed the way __loader__ looks in 3.3

1 files changed, 8 insertions, 3 deletions

diff --git a/coverage/control.py b/coverage/control.py
index 47e5b50..7a85103 100644
--- a/coverage/control.py
+++ b/coverage/control.py
@@ -322,9 +322,14 @@ class Coverage(object):
             return dunder_name
 
         loader = module_namespace.get('__loader__', None)
-        if hasattr(loader, 'fullname') and isinstance(loader.fullname, str):
-            # module loaded via runpy -m
-            return loader.fullname
+        for attrname in ('fullname', 'name'): # attribute renamed in py3.2
+            if (
+                hasattr(loader, 'fullname') and
+                isinstance(loader.fullname, str) and
+                loader.fullname != '__main__'
+            ):
+                # module loaded via runpy -m
+                return loader.fullname
 
         # script as first argument to python cli
         inspectedname = inspect.getmodulename(filename)