[Python-Dev] __file__ and bytecode-only

Michael Foord fuzzyman at voidspace.org.uk
Fri Mar 12 23:54:19 CET 2010


On 12/03/2010 22:48, Michael Foord wrote:
> On 12/03/2010 19:53, Barry Warsaw wrote:
>> On Mar 04, 2010, at 11:34 PM, Nick Coghlan wrote:
>>
>>    
>>> The remaining open question to my mind is whether or not there should be
>>> a -X option to control the bytecode generation. E.g.:
>>>
>>> -Xcache_bytecode=no (don't write bytecode files at all)
>>>      
>> -B and $PYTHONDONTWRITEBYTECODE will still be supported and serve this use
>> case.
>>
>>    
>>> -Xcache_bytecode=file (write a classic "foo.pyc" file)
>>> -Xcache_bytecode=dir (write to the "__pycache__" directory)
>>>
>>> With cache_bytecode=dir being the default for future releases.
>>>      
>> I believe we've decided /not/ to support creation of bytecode-only
>> distributions out of the box.
>>    
>
> I thought Guido said on this topic [1]:
>

Ok - so oops, I misunderstood. I'll go back into my corner now. :-)

All the best,

Michael

> " FWIW, I started at -1 and am still -1. I think the PEP is overreaching
> in this aspect; it does not serve the stated purpose of the PEP to
> make life easier for distros that share code between Python versions."
>
> Has something changed since then?
>
> Michael
>
> [1] http://mail.python.org/pipermail/python-dev/2010-March/098098.html
>> -Barry
>>    
>>
>>
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