[Python-Dev] PEP: per user site-packages directory (original) (raw)
Jeroen Ruigrok van der Werven asmodai at in-nomine.org
Mon Jan 21 09:33:48 CET 2008
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-On [20080120 19:34], Christian Heimes (lists at cheimes.de) wrote:
Most Python developers should the meaning of "~". Should I replace ~ with $HOME for those who don't have as much experience with Unix as we?
The problem is that ~ is an expansion character. It expands the contents of $HOME. If HOME is set to /usr/local, using ~ will expand to /usr/local.
This behaviour is undefined by POSIX, if HOME is null/empty than expanding ~ is undefined. If it is just ~ then it will expand to the contents of HOME, if ~ is followed by a string then it will do a getpwnam() call on the string and expand that to the initial working directory of said login name string.
HOME is POSIX-mandated to be '[t]he pathname of the user's home directory'.
-- Jeroen Ruigrok van der Werven <asmodai(-at-)in-nomine.org> / asmodai イェルーン ラウフロック ヴァン デル ウェルヴェン http://www.in-nomine.org/ | http://www.rangaku.org/ Hope is the last refuge for mad men and dreamers...
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