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To: python-list@python.org
From: Dennis Lee Bieber <wlfraed@ix.netcom.com>
Subject: Re: Getting the Appdata Directory with Python and PEP?
Date: Tue, 26 Nov 2013 13:52:12 -0500
Organization: IISS Elusive Unicorn
References: <50402350-c9cb-47be-b513-ad2fb7170187@googlegroups.com> <27870dae-87ff-4435-a2ff-a42f95c21d48@googlegroups.com>
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On Tue, 26 Nov 2013 10:09:11 -0800 (PST), Eamonn Rea <eamonnrea@gmail.com>
declaimed the following:

>Thanks for the help on PEP, but I can't find a way to get the application support (appdata on Windows, no idea on Linux). If I do:
>
>print os.environ['HOME']
>
>I get: '/Users/eamonn', as that is my home directory. But when I do:
>
>print os.environ['APPDATA']
>
>I get an error. But when I do:
>
>print os.getenv('APPDATA')
>
>I get: None.
>
>Apparently os.getenv() works on Windows, but I can't see a way to get this on Mac. If I could get the names of this for different OS's I could just check the OS and run the appropriate code.
>

	APPDATA is a Windows conceit...

	My impression is that UNIX/Linux relies upon dot-directories
(file/directory names beginning with a . being automatically hidden).

~/.myAppData

and ~ expanding to the login home directory...



	Note that my Windows system doesn't /have/ a HOME variable


C:\Users\Wulfraed\Documents>set appdata
APPDATA=C:\Users\Wulfraed\AppData\Roaming

C:\Users\Wulfraed\Documents>set home
HOMEDRIVE=C:
HOMEPATH=\Users\Wulfraed

C:\Users\Wulfraed\Documents>set userprofile
USERPROFILE=C:\Users\Wulfraed

C:\Users\Wulfraed\Documents>

The closest is USERPROFILE (which is initially %HOMEDRIVE%%HOMEPATH%)

C:\Users\Wulfraed\Documents>echo %userprofile%
C:\Users\Wulfraed

C:\Users\Wulfraed\Documents>echo %homedrive%%homepath%
C:\Users\Wulfraed


PowerShell, OTOH

PS C:\Users\Wulfraed\Documents> Get-Variable home

Name                           Value
----                           -----
HOME                           C:\Users\Wulfraed
-- 
	Wulfraed                 Dennis Lee Bieber         AF6VN
    wlfraed@ix.netcom.com    HTTP://wlfraed.home.netcom.com/