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List:       python-ideas
Subject:    Re: [Python-ideas] Policy for altering sys.path
From:       Thomas Güttler <guettliml () thomas-guettler ! de>
Date:       2015-05-11 8:42:16
Message-ID: 55506B68.90504 () thomas-guettler ! de
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Hi,

for this case, the sys.path modification was solved like this:


-sys.path = glob.glob(os.path.join(WHEEL_DIR, "*.whl")) + sys.path
+sys.path[:] = glob.glob(os.path.join(WHEEL_DIR, "*.whl")) + sys.path

See https://github.com/pypa/pip/issues/2759



Am 06.05.2015 um 16:05 schrieb Thomas Güttler:
> I am missing a policy how sys.path should be altered.
> 
> We run a custom sub class of list in sys.path. We set it in sitecustomize.py
> 
> This instance get replace by a common list in lines like this:
> 
> sys.path = glob.glob(os.path.join(WHEEL_DIR, "*.whl")) + sys.path
> 
> The above line is from pip, it similar things happen in a lot of packages.
> 
> Before trying to solve this with code, I think the python community should agree an \
> a policy for altering sys.path. 
> What can I do to this done?
> 
> We use Python 2.7.
> 
> 
> Related: http://bugs.python.org/issue24135
> 
> Regards,
> Thomas Güttler
> 
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