[ python-Bugs-693255 ] 2.3a2 site.py non-existing dirs

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Bugs item #693255, was opened at 2003-02-25 14:44
Message generated for change (Comment added) made by bcannon
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Category: None
Group: None
>Status: Closed
>Resolution: Invalid
Priority: 5
Submitted By: James P Rutledge (jrut)
Assigned to: Just van Rossum (jvr)
Summary: 2.3a2 site.py non-existing dirs

Initial Comment:
In Python 2.3a2 the site.py leaves non-existing
directories in sys.path.

On my Debian Linux system, using Python 2.3a2,
the sys.path, after site.py is executed during
interpreter initialization, includes the entry

   /usr/local/lib/python23.zip

although no such directory currently exists on
my system.

The module documentation contained in site.py does
state

  "Non-existing directories (or non-directories)
  are never added to sys.path"


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>Comment By: Brett Cannon (bcannon)
Date: 2004-08-07 12:42

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Closing this as "won't fix" since the part of the docs in question apply 
only to .pth files and not directories already in sys.path.

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Comment By: Brett Cannon (bcannon)
Date: 2004-03-21 06:33

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OK, the change was backed out.

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Comment By: Just van Rossum (jvr)
Date: 2004-03-20 23:49

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As I wrote before, the _docs_ are wrong, site.py should NOT 
remove non-existing elements, since they may be non-file 
system items to be handled by a custom importer.

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Comment By: Brett Cannon (bcannon)
Date: 2004-03-20 13:42

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In Python 2.4, rev. 1.59 has site.py remove non-existing paths.

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Comment By: Brett Cannon (bcannon)
Date: 2003-07-07 21:11

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Can someone with more experience with the "official" policy of of 
site.py say whether or not the docs should be changed or site.py 
itself?

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Comment By: James P Rutledge (jrut)
Date: 2003-05-29 12:20

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I do not know what policy is desired for the condition of
the path after executing site.py.

I found the problem when I switched to try 2.3 and used an
application I wrote which searches the path to obtain
information about installed  modules.  During
troubleshooting, the change in site.py from 2.2 to 2.3, to
stop removing non-existent directories in the path, became
evident as the reason for the application finding a
non-existent directory in the path.

The application was, of course, easily changed to skip
non-existent directories.  The question is whether removing
of non-existent directories in the path _should_ be done by
site.py


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Comment By: Brett Cannon (bcannon)
Date: 2003-05-28 18:33

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I take it the docs are what needs to change and not site.py?

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Comment By: Just van Rossum (jvr)
Date: 2003-02-26 00:43

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The docs are indeed wrong.

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Comment By: Neal Norwitz (nnorwitz)
Date: 2003-02-25 19:08

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Just, does the doc still need to be updated?

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Comment By: James P Rutledge (jrut)
Date: 2003-02-25 18:56

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Additional info -- the site.py used in
Python 2.2.2 explicitly removes non-existing
and non-directory files from sys.path.

The Python 2.3 site.py does not have that
feature.


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