[Python-Dev] 'With' context documentation draft (was Re: Terminology for PEP 343

Nick Coghlan ncoghlan at gmail.com
Fri Jul 8 16:21:35 CEST 2005


Phillip J. Eby wrote:
> I suggest changing this to something like this:
> 
>     class tag(object):
>         def __init__(self,name):
>             self.name = name
>         def __enter__(self):
>             print "<%s>" % name
>         def __exit__(self):
>             print "</%s>" % name
> 
>     with tag('html'):
>         # ... etc.
> 
> So that it's obvious where the implementation is coming from.  
> Otherwise, it looks altogether too magical.

Done - included in the latest version on SF. [1]

> Also, the posted draft doesn't explain what happens to the __enter__ 
> return value, either in a literal sense or in the sense of where it fits 
> in the overall concept of context management.

I've tried to clarify this by showing usage of the closing() context manager.

Cheers,
Nick.

[1] http://www.python.org/sf/1234057

-- 
Nick Coghlan   |   ncoghlan at gmail.com   |   Brisbane, Australia
---------------------------------------------------------------
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