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Date: Mon, 25 Nov 2013 15:10:47 -0600
From: Andrew Berg <robotsondrugs@gmail.com>
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Subject: Re: Getting the Appdata Directory with Python and PEP?
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Xref: csiph.com comp.lang.python:60454

On 2013.11.25 14:48, Eamonn Rea wrote:
> I've heard that there is a library that allows you to get the appdata directory for a given OS, but I'd like to do it myself, as a learning experience.
> 
> Is there a built in way to get a users Appdata Directory? For example on OS X it's in '~/Library//Application Support/'. I can get the OS just fine (sys.platform and then storing it in my own way; example: darwin = OS X, just for my own readability), and I can get the home directory just fine (expanduser), but I have no idea how to get the appdata directory.
> 
> One way I could think of doing it would be to just detect the os and join the string on like so (completely untested, but an idea);
> 
> if os == 'OS X':
>     appdata_dir = os.path.join(home_dir, '/Application Support/')
> 
> But then that arises the problem of cross platform compatibility.
> 
> So is here a good, cross platform solution to this problem?
I don't know about OS X, but on Windows Vista and later, there is os.environ['APPDATA']. I don't explicitly check for OS; instead, I see if
APPDATA exists as an environment variable:
try:
        user_data_dir = os.path.join(os.environ['APPDATA'], 'NoiseBot')
except KeyError:
        user_data_dir = os.path.join(os.environ['HOME'], '.NoiseBot')

I didn't even know that such a thing existed on OS X.
-- 
CPython 3.3.2 | Windows NT 6.2.9200 / FreeBSD 10.0