[Python-Dev] Accessing globals without dict lookup (original) (raw)

Skip Montanaro skip@pobox.com
Sun, 10 Feb 2002 16:35:49 -0600 

Tim> There's the problem of object identity: it's possible for exec'ed
Tim> code to mutate the original dict while the exec'ed code is running,
Tim> and Guido gave an example where that can matter.

In the face of exec statements or calls to execfile can't the compiler just generate the usual LOAD_NAME fallback instead of the new-fangled LOAD_GLOBAL opcode?

Skip