Use func_code if __code__ is None.

See also zopefoundation/zope.publisher#10
zopefoundation · May 2, 2017 · e95f96d · e95f96d
1 parent 394e48b
commit e95f96d
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/ZPublisher/mapply.py b/src/ZPublisher/mapply.py
@@ -52,6 +52,10 @@ def mapply(object, positional=(), keyword={},
             raise
         code = f.__code__
         defaults = f.__defaults__
+        if code is None:
+            # RestrictedPython / templates
+            code = f.func_code
+            defaults = f.func_defaults
         names = code.co_varnames[count:code.co_argcount]
 
     nargs = len(names)