[Python-Dev] Py3k: Except clause syntax (original) (raw)
John J Lee jjl at pobox.com
Fri Mar 17 20:44:51 CET 2006
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On Fri, 17 Mar 2006, skip at pobox.com wrote: [...]
fuzz> Wasn't the proposal :
fuzz> try: fuzz> something fuzz> except NameError, OtherError as e: fuzz> something... I'm not sure. I only saw as|with .
Fuzzyman is right.
In your formulation the comma binds more tightly than the as keyword. In import statements it's the other way around. That seems like it might be a source of confusion.
Perhaps parentheses around the exception list should be mandatory for the 2-or-more exceptions case?
except NameError as e: --> fine except (NameError) as e: --> fine except (NameError,) as e: --> fine
except NameError, OtherError as e: --> SyntaxError except (NameError, OtherError) as e: --> fine
John
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