[Tutor] useful function or reinventing the wheel??

[Emile van Sebille]

On 11/28/2011 8:30 PM Mark Lybrand said...

> I am a habitual wheel re-inventor,

For anyone who hasn't yet discovered effbot's guide to the python 
library, it's a good place to start as you expand your python skills.

see http://effbot.org/librarybook and in particular for your current 
question, you'll find makedirs with sample code at

http://effbot.org/media/downloads/librarybook-core-modules.pdf

Although dated, it's still a great place to start as most internal 
functions have changed little over the years.

Emile


so it would not surprise me, but I
> made this little function that I was kinda proud of (seeing that I have
> only been learning python like a week now):
>
> It just takes a directory and checks to see if all the directories,
> sub-directories exist and creates them if they don't:
>
> def insure_exists_dir(dir):
>    grow_path = [dir]
>    while not os.path.ismount(grow_path[0]):
>      part_tuple = os.path.split(grow_path[0])
>      grow_path.insert(0, part_tuple[0])
>
>    del(grow_path[0])
>    while grow_path:
>      if not os.path.exists(grow_path[0]):
>        os.mkdir(grow_path[0])
>      del(grow_path[0])
>    return(dir)
>
>
> Opinions?  What should I really be using?
>
> --
> Mark :)
>
>
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