cache (and compile) parse_template in run_view_in, fix #1474

gluon/restricted.py

@@ -202,7 +202,7 @@ def compile2(code, layer):
     return compile(code, layer, 'exec')
 
 
-def restricted(code, environment=None, layer='Unknown'):
+def restricted(ccode, environment=None, layer='Unknown'):
     """
     Runs code in environment and returns the output. If an exception occurs
     in code it raises a RestrictedError containing the traceback. Layer is
@@ -213,10 +213,6 @@ def restricted(code, environment=None, layer='Unknown'):
     environment['__file__'] = layer
     environment['__name__'] = '__restricted__'
     try:
-        if isinstance(code, types.CodeType):
-            ccode = code
-        else:
-            ccode = compile2(code, layer)
         exec(ccode, environment)
     except HTTP:
         raise
@@ -231,7 +227,7 @@ def restricted(code, environment=None, layer='Unknown'):
             sys.excepthook(etype, evalue, tb)
         del tb
         output = "%s %s" % (etype, evalue)
-        raise RestrictedError(layer, code, output, environment)
+        raise RestrictedError(layer, ccode, output, environment)
 
 
 def snapshot(info=None, context=5, code=None, environment=None):