Re: break in a module

References	<BANLkTinfUsHXuF5j5XjTMhiQXQKNi4ZSGA@mail.gmail.com> <4DF7E75E.9000907@mrabarnett.plus.com> <mailman.240.1308093309.11593.python-list@python.org> <qaWdnQmQzemLaWrQnZ2dnUVZ5vidnZ2d@giganews.com> <BANLkTikmNbNgSzirxO3Jbhs4898+OD2Efw@mail.gmail.com>
Date	2011-06-15 11:33 +1000
Subject	Re: break in a module
From	Chris Angelico <rosuav@gmail.com>
Newsgroups	comp.lang.python
Message-ID	<mailman.249.1308101630.11593.python-list@python.org> (permalink)

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On Wed, Jun 15, 2011 at 10:51 AM, Eric Snow <ericsnowcurrently@gmail.com> wrote:
>  if condition_1:
>      ...
>      return
>  if condition_2:
>      ...
>      return
>
>  # now do my expensive module stuff
>
>  # finally handle being run as a script
>  if __name__ == "__main__":
>      ...
>

The best way I can think of is:

def expensive_stuff_1():
    ...

def expensive_stuff_2():
    ...

if not condition_1:
    expensive_stuff_1()
if not condition_2:
    expensive_stuff_2()

Depending on what exactly you're doing, this might make perfect sense,
or might be a useless indentation level of its own. If the expensive
stuff divides nicely into units, where each unit is governed by one
condition, it might work out well that way; you could use the same
functions to build your 'if __main__' section too.

ChrisA

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Re: break in a module Ethan Furman <ethan@stoneleaf.us> - 2011-06-14 16:28 -0700
  Re: break in a module Erik Max Francis <max@alcyone.com> - 2011-06-14 16:51 -0700
    Re: break in a module Eric Snow <ericsnowcurrently@gmail.com> - 2011-06-14 18:51 -0600
      Re: break in a module Ben Finney <ben+python@benfinney.id.au> - 2011-06-15 11:33 +1000
        Re: break in a module Eric Snow <ericsnowcurrently@gmail.com> - 2011-06-14 20:21 -0600
          Re: break in a module Erik Max Francis <max@alcyone.com> - 2011-06-16 15:09 -0700
        Re: break in a module Dave Angel <davea@ieee.org> - 2011-06-15 00:02 -0400
      Re: break in a module Erik Max Francis <max@alcyone.com> - 2011-06-16 15:07 -0700
        Re: break in a module Chris Angelico <rosuav@gmail.com> - 2011-06-17 09:27 +1000
          Re: break in a module Erik Max Francis <max@alcyone.com> - 2011-06-16 16:29 -0700
            Re: break in a module Eric Snow <ericsnowcurrently@gmail.com> - 2011-06-16 18:00 -0600
            Re: break in a module Chris Angelico <rosuav@gmail.com> - 2011-06-17 10:01 +1000
              Re: break in a module Erik Max Francis <max@alcyone.com> - 2011-06-16 18:13 -0700
                Re: break in a module Ethan Furman <ethan@stoneleaf.us> - 2011-06-16 19:17 -0700
                Re: break in a module Erik Max Francis <max@alcyone.com> - 2011-06-16 21:21 -0700
                Re: break in a module Ian Kelly <ian.g.kelly@gmail.com> - 2011-06-16 22:53 -0600
        Re: break in a module Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-06-17 00:48 +0000
          Re: break in a module Chris Angelico <rosuav@gmail.com> - 2011-06-17 10:57 +1000
            Re: break in a module Erik Max Francis <max@alcyone.com> - 2011-06-16 18:21 -0700
              Re: break in a module Ethan Furman <ethan@stoneleaf.us> - 2011-06-16 19:11 -0700
              Re: break in a module Ian Kelly <ian.g.kelly@gmail.com> - 2011-06-16 19:58 -0600
                Re: break in a module Erik Max Francis <max@alcyone.com> - 2011-06-16 21:24 -0700
                Re: break in a module Ian Kelly <ian.g.kelly@gmail.com> - 2011-06-16 22:50 -0600
                Re: break in a module Erik Max Francis <max@alcyone.com> - 2011-06-16 22:20 -0700
                Re: break in a module Chris Angelico <rosuav@gmail.com> - 2011-06-17 15:56 +1000
                Re: break in a module Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-06-17 06:00 +0000
                Re: break in a module Erik Max Francis <max@alcyone.com> - 2011-06-17 00:09 -0700
                Re: break in a module Cameron Simpson <cs@zip.com.au> - 2011-06-18 12:36 +1000
                Re: break in a module Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-06-18 03:50 +0000
                Re: break in a module Chris Angelico <rosuav@gmail.com> - 2011-06-18 14:31 +1000
                Re: break in a module Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-06-18 04:49 +0000
                Re: break in a module Chris Angelico <rosuav@gmail.com> - 2011-06-18 15:06 +1000
                Re: break in a module Cameron Simpson <cs@zip.com.au> - 2011-06-21 20:04 +1000
                Re: break in a module Eric Snow <ericsnowcurrently@gmail.com> - 2011-06-17 00:25 -0600
    Re: break in a module Chris Angelico <rosuav@gmail.com> - 2011-06-15 11:33 +1000

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