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Re: PyWart: NameError trackbacks are superfluous

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Date Sat, 16 Mar 2013 18:36:15 -0500
From Tim Chase <python.list@tim.thechases.com>
To Rick Johnson <rantingrickjohnson@gmail.com>
Subject Re: PyWart: NameError trackbacks are superfluous
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On 2013-03-16 15:39, Rick Johnson wrote:
> On Saturday, March 16, 2013 4:19:34 PM UTC-5, Oscar Benjamin wrote:
> >   # tmp.py
> >   def broken(x):
> >       if x > 2:
> >           print(x)
> >       else:
> >           print(undefined_name)
> > 
> >   broken(1)
> 
> Why would anyone write code like that?

Because, in the real world, that example looks something like

  def broken(intelligence_level):
    if intelligence_level < 100:
      return dumb_down(intellegence_level)
    else:
      return make_harder(intelligence_level)
  broken(op.iq)

Pylint, pyflakes or some other such linter should catch it, but this
happens ALL THE TIME in actual development, occasionally leaking into
production. 

-tkc

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Thread

PyWart: NameError trackbacks are superfluous Rick Johnson <rantingrickjohnson@gmail.com> - 2013-03-16 11:27 -0700
  Re: PyWart: NameError trackbacks are superfluous Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2013-03-16 21:19 +0000
    Re: PyWart: NameError trackbacks are superfluous Rick Johnson <rantingrickjohnson@gmail.com> - 2013-03-16 15:39 -0700
      Re: PyWart: NameError trackbacks are superfluous Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2013-03-16 23:29 +0000
        Re: PyWart: NameError trackbacks are superfluous Rick Johnson <rantingrickjohnson@gmail.com> - 2013-03-16 16:50 -0700
          Re: PyWart: NameError trackbacks are superfluous Chris Angelico <rosuav@gmail.com> - 2013-03-17 11:00 +1100
      Re: PyWart: NameError trackbacks are superfluous Tim Chase <python.list@tim.thechases.com> - 2013-03-16 18:36 -0500
      Re: PyWart: NameError trackbacks are superfluous Chris Angelico <rosuav@gmail.com> - 2013-03-17 10:48 +1100
    Re: PyWart: NameError trackbacks are superfluous Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-03-16 23:48 +0000
      Re: PyWart: NameError trackbacks are superfluous Chris Angelico <rosuav@gmail.com> - 2013-03-17 10:59 +1100
      Re: PyWart: NameError trackbacks are superfluous Rick Johnson <rantingrickjohnson@gmail.com> - 2013-03-16 17:11 -0700
        Re: PyWart: NameError trackbacks are superfluous Michael Torrie <torriem@gmail.com> - 2013-03-16 19:58 -0600
          Re: PyWart: NameError trackbacks are superfluous Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2013-03-17 03:14 +0000
            Re: PyWart: NameError trackbacks are superfluous Chris Angelico <rosuav@gmail.com> - 2013-03-17 14:19 +1100
            Re: PyWart: NameError trackbacks are superfluous Benjamin Kaplan <benjamin.kaplan@case.edu> - 2013-03-16 21:13 -0700
  Re: PyWart: NameError trackbacks are superfluous Jason Swails <jason.swails@gmail.com> - 2013-03-17 17:22 -0400

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