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[Python-Dev] Existence of pythonNN.zip in sys.path

Gregory P. Smith greg at krypto.org
Tue May 6 00:10:22 CEST 2014 
On Mon, May 5, 2014 at 2:52 PM, Anthony Tuininga <anthony.tuininga at gmail.com
> wrote:

> On Mon, May 5, 2014 at 3:50 PM, Paul Moore <p.f.moore at gmail.com> wrote:
>
>> On 5 May 2014 22:32, Anthony Tuininga <anthony.tuininga at gmail.com> wrote:
>> > So my question is: can I safely make use of this "feature"? It has
>> remained
>> > in place since at least Python 2.6 but I don't want to assume anything.
>> > Please advise! Thanks.
>>
>> I believe this is a 100% supported feature of Python (since 2.6, as
>> you mention). Some of the zip import/run features have unfortunately
>> been underdocumented, and I suspect that this is simply one of those.
>>
>> Paul
>>
>
> That's great news. Thanks!
>
> Anthony
>

There is at least one caveat to using a .zip file for the standard library:
http://bugs.python.org/issue19081

Never change the .zip file in use by a running process.

-gps
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