[Python-Dev] [Python-checkins] r80025 - peps/trunk/pep-3147.txt

Barry Warsaw barry at python.org
Tue Apr 13 16:38:35 CEST 2010


On Apr 14, 2010, at 12:17 AM, Nick Coghlan wrote:

>Barry Warsaw wrote:
>> On Apr 13, 2010, at 11:13 PM, Nick Coghlan wrote:
>> 
>>> barry.warsaw wrote:
>>>> +It is recommended that when nothing sensible can be calculated,
>>>> +implementations should set the `__cached__` attribute to `None`.
>>> What (if anything) should we set __cached__ to in __main__?
>> 
>> Good catch.  Right now (in my current branch) it is undefined.  It should be
>> None.
>
>Sounds reasonable. I ask because the various functions in runpy will
>also need to cover setting that value properly.

Right.  I'm looking at runpy now, but am less familiar with this code.  Right
now I have anything executed with -m as setting __cached__ to None, which
seems right in the simple case because the -m <module> doesn't appear to get
byte compiled.  Is that correct?

-Barry
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