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From: Marko Rauhamaa <marko@pacujo.net>
Newsgroups: comp.lang.python
Subject: Re: Returning a custom file object (Python 3)
Date: Thu, 28 May 2015 08:29:05 +0300
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Ben Finney <ben+python@benfinney.id.au>:

> It seems the existing ‘open’ implementation doesn't allow you to
> override the type of object returned.

The question is, can you assign to the builtin namespace. I'm guessing
you can't.

Within a module, you can simply do:

   open = MyFile

Also, in other modules, you can:

   from myfile import open


Marko