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Re: Determine actually given command line arguments

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On 15 May 2013 13:52, Henry Leyh <henry.leyh@ipp.mpg.de> wrote:
> On 15.05.2013 14:24, Roy Smith wrote:
>>
>> In article <kmva9j$1hbk$1@gwdu112.gwdg.de>,
>>   Henry Leyh <henry.leyh@ipp.mpg.de> wrote:
>>
>>> Is there a simple way to determine which
>>> command line arguments were actually given on the commandline, i.e. does
>>> argparse.ArgumentParser() know which of its namespace members were
>>> actually hit during parse_args().
>>
>>
>> I think what you're looking for is sys.argv:
>>
>> $ cat argv.py
>> import sys
>> print sys.argv
>>
>> $ python argv.py foo bar
>> ['argv.py', 'foo', 'bar']
>
> Thanks, but as I wrote in my first posting I am aware of sys.argv and was
> hoping to _avoid_ using it because I'd then have to kind of re-implement a
> lot of the stuff already there in argparse, e.g. parsing sys.argv for
> short/long options, flag/parameter options etc.
>
> I was thinking of maybe some sort of flag that argparse sets on those
> optional arguments created with add_argument() that are really given on the
> command line, i.e. those that it stumbles upon them during parse_args().

I don't know about that but I imagine that you could compare values
with their defaults to see which have been changed.


Oscar

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Determine actually given command line arguments Henry Leyh <henry.leyh@ipp.mpg.de> - 2013-05-15 08:34 +0200
  Re: Determine actually given command line arguments "Colin J. Williams" <cjw@ncf.ca> - 2013-05-15 08:03 -0400
    Re: Determine actually given command line arguments Jussi Piitulainen <jpiitula@ling.helsinki.fi> - 2013-05-15 15:51 +0300
  Re: Determine actually given command line arguments Roy Smith <roy@panix.com> - 2013-05-15 08:24 -0400
    Re: Determine actually given command line arguments Dave Angel <davea@davea.name> - 2013-05-15 08:51 -0400
    Re: Determine actually given command line arguments Henry Leyh <henry.leyh@ipp.mpg.de> - 2013-05-15 14:52 +0200
      Re: Determine actually given command line arguments Oscar Benjamin <oscar.j.benjamin@gmail.com> - 2013-05-15 14:00 +0100
        Re: Determine actually given command line arguments Henry Leyh <henry.leyh@ipp.mpg.de> - 2013-05-15 15:50 +0200
          Re: Determine actually given command line arguments Skip Montanaro <skip@pobox.com> - 2013-05-15 09:08 -0500
            Re: Determine actually given command line arguments Henry Leyh <henry.leyh@ipp.mpg.de> - 2013-05-15 16:39 +0200
              Re: Determine actually given command line arguments Skip Montanaro <skip@pobox.com> - 2013-05-15 09:51 -0500
          Re: Determine actually given command line arguments Wayne Werner <wayne@waynewerner.com> - 2013-05-15 09:16 -0500
      Re: Determine actually given command line arguments roy@panix.com (Roy Smith) - 2013-05-15 11:29 -0400
        Re: Determine actually given command line arguments Henry Leyh <henry.leyh@ipp.mpg.de> - 2013-05-16 07:43 +0200
          Re: Determine actually given command line arguments Jussi Piitulainen <jpiitula@ling.helsinki.fi> - 2013-05-16 09:08 +0300
            Re: Determine actually given command line arguments Henry Leyh <henry.leyh@ipp.mpg.de> - 2013-05-16 09:29 +0200

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