[Python-Dev] sys.implementation (original) (raw)
Steven D'Aprano steve at pearwood.info
Sat May 12 20:07:25 CEST 2012
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Tres Seaver wrote:
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On 05/12/2012 08:04 AM, Nick Coghlan wrote: On Sat, May 12, 2012 at 12:40 PM, Eric Snow <ericsnowcurrently at gmail.com> wrote:
If anyone has strong feelings for item-access over attribute-access, please elaborate. I'm just not seeing it as that important and would rather finish up the PEP as simply as possible. I object to adding a new type to the stdlib just for this PEP. Since iterating over the keys is significantly more useful than iterating over the values, that suggests a dictionary as the most appropriate type. Why would anyone want to iterate over either of them?
I don't know what keys exist, so I use introspection on sys.implementation by iterating over the keys and/or values. E.g. dir(sys.implementation), or list(sys.implementation.keys()).
I know what keys exist, but I want to pretty-print the list of key/value pairs without having to explicitly write them out by hand:
print("spam", sys.implementation.spam) print("ham", sys.implementation.ham) print("cheese", sys.implementation.cheese)
and so on...
-- Steven
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