[Tutor] ConfigParser and multiple option names

[Iyer]

wow, Andrei, that is a really very neat solution ! It
worked. 

So it seems configparser is dict based.

Thanks a lot for your help. 

-iyer

--- Andrei <project5 at redrival.net> wrote:

> Iyer wrote:
> <snop>
> > 
> > I cannot change the config file layout -- it is a
> <snip>
> > [dir_options]
> > dir="/home/florian"
> > dir="/home/john"
> <snip>
> > what method would you suggest to read each "dir"
> value
> > above from the config_file.lay?
> 
> Internally, the ConfigParser implementation uses
> dictionaries to store 
> sections and section contents making it impossible
> to have duplicate 
> sections or option names - this file is against the
> philosophy of the 
> parser.
> If these dir values are all you're interested in,
> you could write a very 
> simple parser only for them in a few lines.
> Alternatively I think you'll have to trick the
> parser into thinking 
> these are different options by overriding
> optionxform, to mangle the 
> option name and make it unique:
> 
>  >>> from random import random
>  >>> class DuplicateOptionParser(ConfigParser):
> ...     def optionxform(self, option):
> ...         return option.lower() + '____' +
> str(random()) + str(random())
> ...
>  >>> parser = DuplicateOptionParser()
>  >>> parser.read('xyz.ini')
>  >>> parser.items('dir_options')
> [('dir____0.2893357144260.69151552211',
> '"/home/whoever"'),
> ('dir____0.8258732656650.272559810163',
> '"/home/florian"'),
> ('dir____0.6565224032210.703769464586',
> '"/home/john"')]
> 
> Note that it will do this for *all* options in your
> file, even those 
> that have no duplicates. You'll have to trim the
> part starting with 
> '____' before using them.
> 
> -- 
> Yours,
> 
> Andrei
> 
> =====
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