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Re: break in a module

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Eric Snow <ericsnowcurrently@gmail.com> writes:

> I apologize if my example was unclear.  I kept it pretty simple.

That's a good goal, but unfortunately in this case it means the purpose
is opaque.

> In general it would be nice to do some checks up front and decide
> whether or not to continue executing the module, rather than waiting
> until the end to decide:
>
>   if condition_1:
>       ...
>       return
>   if condition_2:
>       ...
>       return
>
>   # now do my expensive module stuff

I have never seen code that needs this, and can't imagine why the above
would be a good design for a module. Is there real code online somewhere
that we can see which serves as a real example for your use case?

-- 
 \           “There is no reason anyone would want a computer in their |
  `\     home.” —Ken Olson, president, chairman and founder of Digital |
_o__)                                            Equipment Corp., 1977 |
Ben Finney

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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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