[Python-ideas] disabling .pyc and .pyo files

[Guido van Rossum]

-B only blocks *writing* of bytecode. I think the OP wants to block
*reading*, and only in the specific case where there is no
corresponding source code file.

2009/12/8 Todd Whiteman <toddw at activestate.com>:
> Kristján Valur Jónsson wrote:
>>
>> I looked at the import code and I found that it is trivial to block the
>> reading and writing of .pyo files.  I am about to implement that patch for
>> our purposes, thus forcing recompilation of the .py files on each run if so
>> specified.   This will ensure that the application will execute only the
>> code represented by the checked-out .py files.  But it occurred to me that
>> this functionality might be of interest to other people than just us.  I can
>> imagine, for example, that buildbots running the python regression testsuite
>> might be running into problems with stray .pyo files from time to time.
>>
>> Do you think that such a command line option would be useful for Python at
>> large?
>
> Yes, this is already implemented (as of Python 2.6), see -B option:
> http://www.python.org/doc/2.6.4/using/cmdline.html#miscellaneous-options
>
>
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-- 
--Guido van Rossum (python.org/~guido)