exec and locals
steve at pearwood.info
Thu Feb 27 05:39:26 CET 2014
On Thu, 27 Feb 2014 16:34:33 +1300, Gregory Ewing wrote:
> Steven D'Aprano wrote:
>> except SyntaxError:
>> def inner():
>> # manually operate the context manager call context manager
>> return something
>> except: # Yes, a bare except. Catch EVERYTHING.
>> blah blah blah
>> call context manager __exit__
> Why not just use this version all the time? It should work in both 2.x
> and 3.x.
Because that's yucky. It's an aesthetic thing: when supported, I want the
Python interpreter to manage the context manager.
The exec part is only half a dozen lines, only three lines of source
code. It's no burden to keep it for the cases where it works (that is, at
least 2.6 onwards).
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