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Date: Thu, 28 Jul 2011 18:21:49 +0200
From: Karim <karim.liateni@free.fr>
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Subject: Re: shlex parsing
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Hello You have you feet on earth Web Dreamer!

Very clever!
Beautiful hack!

Many Thanks

Karim

On 07/28/2011 05:48 PM, Web Dreamer wrote:
> Karim a écrit ce mercredi 27 juillet 2011 21:30 dans<mailman.1538.1311795072.1164.python-list@python.org>  :
>
>> Hello All,
>>
>> I would like to parse this TCL command line with shlex:
>>
>> '-option1 [get_rule A1 B2] -option2 $VAR -option3 TAG'
>>
>> And I want to get the splitted list:
>>
>> ['-option1', '[get_rule A1 B2]', '-option2',  '$VAR', '-option3',  'TAG']
>>
>> Then I will gather in tuple 2 by 2 the arguments.
>
> Do this:
>
>>>> s = '-option1 [get_rule A1 B2] -option2 $VAR -option3 TAG'
> Now if you don't enclose [get_rule A1 B2] in cotes, you will pull your hair off!
> So:
>>>> s = s.replace('[','"[')
>>>> s = s.replace(']',']"')
> Now:
>>>> s
> '-option1 "[get_rule A1 B2]" -option2 $VAR -option3 TAG'
>
> Lets continue:
>>>> import shlex
>>>> optionlist = shlex.split(s)
>>>> optionlist
> ['-option1', '[get_rule A1 B2]', '-option2', '$VAR', '-option3', 'TAG']
>
> Now to get your tupple of two by two arguments:
>>>> argtuple = tuple([(option, value) for option,value in zip(optionlist[0::2],optionlist[1::2])])
>>>> argtuple
> (('-option1', '[get_rule A1 B2]'), ('-option2', '$VAR'), ('-option3', 'TAG'))
>
>
> whole code:
>>>> import shlex
>>>> s = '-option1 [get_rule A1 B2] -option2 $VAR -option3 TAG'
>>>> s = s.replace('[','"[')
>>>> s = s.replace(']',']"')
>>>> optionlist = shlex.split(s)
>>>> argtuple = tuple([(option, value) for option,value in zip(optionlist[0::2],optionlist[1::2]))