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Re: Use and usefulness of the as syntax

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On 12 November 2011 11:56, candide <candide@free.invalid> wrote:
> First, could you confirm the following syntax
>
> import foo as f
>
> equivalent to
>
> import foo
> f = foo
>
>
>
> Now, I was wondering about the usefulness in everyday programming of the as
> syntax within an import statement. Here are some instances retrieved from
> real code of such a syntax
>
> import numpy as np
>
> import math as _math
>
> import pickle as pickle
>
>
> -- In the first case, the syntax is motivated by brevity need, isn't it ?

Correct!

> -- The second case seems to be rather widespread and causes math attribute
> to be private but I don't figure out why this matters.

This way math doesn't get bound in the global namespace when doing
"from module import *"

> -- In the last case, I can see no point

Neither can I

> So what is the pragmatics of the as syntax ?

It can also help when you want to import two different modules with
the same name.

-- 
Arnaud

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Use and usefulness of the as syntax candide <candide@free.invalid> - 2011-11-12 12:56 +0100
  Re: Use and usefulness of the as syntax Chris Angelico <rosuav@gmail.com> - 2011-11-12 23:27 +1100
  Re: Use and usefulness of the as syntax Arnaud Delobelle <arnodel@gmail.com> - 2011-11-12 12:29 +0000
    Re: Use and usefulness of the as syntax candide <candide@free.invalid> - 2011-11-17 16:48 +0100
      Re: Use and usefulness of the as syntax alex23 <wuwei23@gmail.com> - 2011-11-17 18:38 -0800
  Re: Use and usefulness of the as syntax Tim Chase <python.list@tim.thechases.com> - 2011-11-12 06:43 -0600
  Re: Use and usefulness of the as syntax Rafael Durán Castañeda <rafadurancastaneda@gmail.com> - 2011-11-12 13:48 +0100
    Re: Use and usefulness of the as syntax 0xfn <oleg.rimko@gmail.com> - 2011-11-13 00:55 -0800
      Re: Use and usefulness of the as syntax Terry Reedy <tjreedy@udel.edu> - 2011-11-13 17:16 -0500
  Re: Use and usefulness of the as syntax Tim Wintle <tim.wintle@teamrubber.com> - 2011-11-12 13:03 +0000
  Re: Use and usefulness of the as syntax Mel Wilson <mwilson@the-wire.com> - 2011-11-12 08:59 -0500
  Re: Use and usefulness of the as syntax candide <candide@free.invalid> - 2011-11-17 16:48 +0100

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