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Groups > comp.lang.python > #81700

Re: Iterate over text file, discarding some lines via context manager

From Marko Rauhamaa <marko@pacujo.net>
Newsgroups comp.lang.python
Subject Re: Iterate over text file, discarding some lines via context manager
Date 2014-11-28 20:04 +0200
Organization A noiseless patient Spider
Message-ID <87bnnrdwvy.fsf@elektro.pacujo.net> (permalink)
References <mailman.16405.1417187079.18130.python-list@python.org> <5478ab81$0$2879$426a34cc@news.free.fr> <mailman.16414.1417196454.18130.python-list@python.org> <87fvd3dxb7.fsf@elektro.pacujo.net> <mailman.16415.1417197764.18130.python-list@python.org>

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Chris Angelico <rosuav@gmail.com>:

> Since we're so good at it on this list, I will nit-pick: that's not a
> context manager class, that's an iterator class. A context manager has
> __enter__ and __exit__, an iterator has __iter__ (returning self) and
> __next__ (returning or raising StopIteration).

Excellent. Learnings will never end.


Marko

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Thread

Iterate over text file, discarding some lines via context manager "fetchinson ." <fetchinson@googlemail.com> - 2014-11-28 16:04 +0100
  Re: Iterate over text file, discarding some lines via context manager "ast" <nomail@invalid.com> - 2014-11-28 18:06 +0100
    Re: Iterate over text file, discarding some lines via context manager Dave Angel <davea@davea.name> - 2014-11-28 12:40 -0500
      Re: Iterate over text file, discarding some lines via context manager Marko Rauhamaa <marko@pacujo.net> - 2014-11-28 19:55 +0200
        Re: Iterate over text file, discarding some lines via context manager Chris Angelico <rosuav@gmail.com> - 2014-11-29 05:02 +1100
          Re: Iterate over text file, discarding some lines via context manager Marko Rauhamaa <marko@pacujo.net> - 2014-11-28 20:04 +0200

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