Re: The Most Diabolical Python Antipattern

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From	Ian Kelly <ian.g.kelly@gmail.com>
Date	Thu, 29 Jan 2015 15:51:28 -0700
Subject	Re: The Most Diabolical Python Antipattern
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On Thu, Jan 29, 2015 at 10:32 AM, Tim Chase
<python.list@tim.thechases.com> wrote:
> On 2015-01-29 17:17, Mark Lawrence wrote:
>> The author is quite clear on his views here
>> https://realpython.com/blog/python/the-most-diabolical-python-antipattern/
>> but what do you guys and gals think?
>
> I just read that earlier today and agree for the most part.  The only
> exception (pun only partially intended) I've found is in functions
> that need to return a defined type.  I have one that I call int0()
> that is my "give me a freakin' int" function which is something like
>
>   def int0(val):
>     try:
>       return int(val)
>     except:
>       return 0
>
> because I deal with a lot of CSV data from client/vendor that has
> blanks, "NULL", "---", and plenty of other rubbish to suggest
> something that, for my purposes is really just a 0.
>
> Yes, I've been stung by it occasionally, but it's not much trouble to
> see that I'm getting a 0 some place that should have a value I need
> to extract.

At least use "except Exception" instead of a bare except. Do you
really want things like SystemExit and KeyboardInterrupt to get turned
into 0?

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Re: The Most Diabolical Python Antipattern Ian Kelly <ian.g.kelly@gmail.com> - 2015-01-29 15:51 -0700
  Re: The Most Diabolical Python Antipattern Marko Rauhamaa <marko@pacujo.net> - 2015-01-30 08:16 +0200
    Re: The Most Diabolical Python Antipattern Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-01-30 08:10 +0000
      Re: The Most Diabolical Python Antipattern Marko Rauhamaa <marko@pacujo.net> - 2015-01-30 11:02 +0200
        Re: The Most Diabolical Python Antipattern Ian Kelly <ian.g.kelly@gmail.com> - 2015-01-30 02:17 -0700
        Re: The Most Diabolical Python Antipattern Marko Rauhamaa <marko@pacujo.net> - 2015-01-30 12:00 +0200
          Re: The Most Diabolical Python Antipattern Ian Kelly <ian.g.kelly@gmail.com> - 2015-01-30 08:21 -0700
            Re: The Most Diabolical Python Antipattern Marko Rauhamaa <marko@pacujo.net> - 2015-01-30 17:30 +0200
              Re: The Most Diabolical Python Antipattern Ian Kelly <ian.g.kelly@gmail.com> - 2015-01-30 08:42 -0700
                Re: The Most Diabolical Python Antipattern Marko Rauhamaa <marko@pacujo.net> - 2015-01-30 17:56 +0200
                Re: The Most Diabolical Python Antipattern Ian Kelly <ian.g.kelly@gmail.com> - 2015-01-30 09:38 -0700
              Re: The Most Diabolical Python Antipattern Chris Angelico <rosuav@gmail.com> - 2015-01-31 02:55 +1100
    Re: The Most Diabolical Python Antipattern Ian Kelly <ian.g.kelly@gmail.com> - 2015-01-30 02:11 -0700
    Re: The Most Diabolical Python Antipattern Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-01-31 01:28 +0000

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