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Groups > comp.lang.python > #78860

Re: how to add custom importer after the normal imports

References <m1353n$dpu$1@ger.gmane.org>
From Ian Kelly <ian.g.kelly@gmail.com>
Date 2014-10-08 16:44 -0600
Subject Re: how to add custom importer after the normal imports
Newsgroups comp.lang.python
Message-ID <mailman.14697.1412808288.18130.python-list@python.org> (permalink)

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On Wed, Oct 8, 2014 at 4:53 AM, Gelonida N <gelonida@gmail.com> wrote:
> Hi,
>
>
> I just read about sys.meta_path, which allows to install custom importers
> *BEFORE* the default importers.
>
> However I have a use case where I would like to add a custom importer
> *AFTER* all other import methods have failed.
>
> Does anybody know how to do this.
>
> One way of implementing this would be to add the default importer as first
> entry in sys.meta_path. My only problem is, that I don't know how to create
> a 'default-importer', such that I can add it into sys.meta_path

As of CPython 3.3 the default importers are already in sys.meta_path,
so you could just add your custom importer to the end. If you need to
support earlier versions or alternate implementations then this may
not be reliable.

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Re: how to add custom importer after the normal imports Ian Kelly <ian.g.kelly@gmail.com> - 2014-10-08 16:44 -0600

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