How do I add permanently to Pythons sys.path?

Christian Heimes lists at
Tue Sep 16 17:56:19 CEST 2008

Python wrote:
> a temp solution is to append it to that list:
> sys.path.append('C:/Python25/Progs/')
> a permanent solution is to add it to the environment variable
> (no idea where to set this in windows)
> $PYTHONPATH = "/C:/Python25/Progs/"

Don't append a / or \!Use "C:/Python25/Progs" instead of 
"C:/Python25/Progs/". The trailing slash causes trouble on Windows.

The reason for the trouble is design decision from Microsoft. The low 
level stat() syscall returns an error for "C:\\Python25\\Progs\\" but it 
  returns success for "C:\\Python25\\Progs".


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