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Re: How about some syntactic sugar for " __name__ == '__main__' "?

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From Ian Kelly <ian.g.kelly@gmail.com>
Date 2014-11-12 15:19 -0700
Subject Re: How about some syntactic sugar for " __name__ == '__main__' "?
Newsgroups comp.lang.python
Message-ID <mailman.15749.1415830799.18130.python-list@python.org> (permalink)

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On Wed, Nov 12, 2014 at 3:09 PM, Chris Kaynor <ckaynor@zindagigames.com> wrote:
> I was thinking along the lines of replacing:
>
> if __name__ == "__main__":
>     <<<block of code>>>
>
> with
>
> @main
> def myFunction()
>     <<<<block of code>>
>
> Both blocks of code will be called at the same time.

99% of the time the content of <<<block of code>>> is just "main()",
so then you're proposing replacing this:

if __name__ == "__main__":
    main()

with this:

@main
def myFunction():
    my_main()

Which feels redundant to me. Why have a function here that does
nothing but call another function?

I think if this is the goal then a simple predicate would be clearer:

if is_main_module():
    main()

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Thread

How about some syntactic sugar for " __name__ == '__main__' "? John Ladasky <john_ladasky@sbcglobal.net> - 2014-11-12 13:02 -0800
  Re: How about some syntactic sugar for " __name__ == '__main__' "? Joel Goldstick <joel.goldstick@gmail.com> - 2014-11-12 16:07 -0500
  Re: How about some syntactic sugar for " __name__ == '__main__' "? John Ladasky <john_ladasky@sbcglobal.net> - 2014-11-12 13:17 -0800
  Re: How about some syntactic sugar for " __name__ == '__main__' "? Ethan Furman <ethan@stoneleaf.us> - 2014-11-12 13:19 -0800
  Re: How about some syntactic sugar for " __name__ == '__main__' "? Chris Kaynor <ckaynor@zindagigames.com> - 2014-11-12 13:33 -0800
  Re: How about some syntactic sugar for " __name__ == '__main__' "? Marko Rauhamaa <marko@pacujo.net> - 2014-11-12 23:52 +0200
  Re: How about some syntactic sugar for " __name__ == '__main__' "? Ian Kelly <ian.g.kelly@gmail.com> - 2014-11-12 14:51 -0700
  Re: How about some syntactic sugar for " __name__ == '__main__' "? Skip Montanaro <skip.montanaro@gmail.com> - 2014-11-12 15:55 -0600
  Re: How about some syntactic sugar for " __name__ == '__main__' "? Chris Kaynor <ckaynor@zindagigames.com> - 2014-11-12 14:09 -0800
    Re: How about some syntactic sugar for " __name__ == '__main__' "? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-11-15 22:09 +1100
      Re: How about some syntactic sugar for " __name__ == '__main__' "? Marko Rauhamaa <marko@pacujo.net> - 2014-11-15 13:54 +0200
      Re: How about some syntactic sugar for " __name__ == '__main__' "? Vito De Tullio <vito.detullio@gmail.com> - 2014-11-16 11:26 +0100
  Re: How about some syntactic sugar for " __name__ == '__main__' "? Ian Kelly <ian.g.kelly@gmail.com> - 2014-11-12 15:19 -0700
  Re: How about some syntactic sugar for " __name__ == '__main__' "? Terry Reedy <tjreedy@udel.edu> - 2014-11-12 18:19 -0500
  Re: How about some syntactic sugar for " __name__ == '__main__' "? Chris Angelico <rosuav@gmail.com> - 2014-11-13 10:26 +1100
  Re: How about some syntactic sugar for " __name__ == '__main__' "? Terry Reedy <tjreedy@udel.edu> - 2014-11-12 19:35 -0500
  Re: How about some syntactic sugar for " __name__ == '__main__' "? Chris Angelico <rosuav@gmail.com> - 2014-11-13 11:54 +1100
  Re: How about some syntactic sugar for " __name__ == '__main__' "? Ethan Furman <ethan@stoneleaf.us> - 2014-11-13 10:32 -0800
  Re: How about some syntactic sugar for " __name__ == '__main__' "? Ian Kelly <ian.g.kelly@gmail.com> - 2014-11-13 13:33 -0700
  Re: How about some syntactic sugar for " __name__ == '__main__' "? Ethan Furman <ethan@stoneleaf.us> - 2014-11-13 12:43 -0800
  Re: How about some syntactic sugar for " __name__ == '__main__' "? Skip Montanaro <skip.montanaro@gmail.com> - 2014-11-13 14:44 -0600
  Re: How about some syntactic sugar for " __name__ == '__main__' "? Skip Montanaro <skip.montanaro@gmail.com> - 2014-11-13 14:53 -0600
  Re: How about some syntactic sugar for " __name__ == '__main__' "? Ian Kelly <ian.g.kelly@gmail.com> - 2014-11-13 15:48 -0700
  Re: How about some syntactic sugar for " __name__ == '__main__' "? Ian Kelly <ian.g.kelly@gmail.com> - 2014-11-13 15:56 -0700
  Re: How about some syntactic sugar for " __name__ == '__main__' "? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-11-15 21:52 +1100
  Re: How about some syntactic sugar for " __name__ == '__main__' "? Vito De Tullio <vito.detullio@gmail.com> - 2014-11-16 11:39 +0100
  Re: How about some syntactic sugar for " __name__ == '__main__' "? Ian Kelly <ian.g.kelly@gmail.com> - 2014-11-16 10:15 -0700
  Re: How about some syntactic sugar for " __name__ == '__main__' "? Ethan Furman <ethan@stoneleaf.us> - 2014-12-01 15:19 -0800
  Re: How about some syntactic sugar for " __name__ == '__main__' "? Ethan Furman <ethan@stoneleaf.us> - 2014-12-01 16:45 -0800
  Re: How about some syntactic sugar for " __name__ == '__main__' "? Chris Angelico <rosuav@gmail.com> - 2014-12-02 12:15 +1100
  Re: How about some syntactic sugar for " __name__ == '__main__' "? Ethan Furman <ethan@stoneleaf.us> - 2014-12-02 02:17 -0800

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