Bugs item #1495754, was opened at 2006-05-26 23:28
Message generated for change (Comment added) made by jerrykhan
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Category: Windows
Group: Python 2.4
Status: Closed
Resolution: Wont Fix
Priority: 5
Private: No
Submitted By: Kenneth J. Pronovici (pronovic)
Assigned to: Nobody/Anonymous (nobody)
Summary: os.listdir(): inconsistent behavior with trailing spaces
Initial Comment:
I've noticed some inconsistent behavior around
os.listdir() and paths that contain trailing spaces on
the Windows platform.
Take this example code:
import os
import tempfile
tmpdir = tempfile.mkdtemp()
newdir = os.path.join(tmpdir, " collect dir ")
os.mkdir(newdir)
print os.path.exists(newdir)
print os.listdir(newdir)
If I run this code on Windows 2000 Pro using Python
2.4.2, I get this:
True
[Errno 3] The system cannot find the path
specified: 'c:\\docume~1\\a0clu0~1.bcb\\locals~1
\\temp\\tmpfd7j3t\\ collect dir /*.*'
It seems to me that if os.path.exists() tells me that
a file or directory exists, that os.listdir() should
be able to operate on it.
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Comment By: JerryKhan (jerrykhan)
Date: 2007-03-27 13:41
Message:
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I agree with the fact that this inconsistent behaviour is disturbing.
I tried it with a simple example "lib ", if it exists, we must be able to
browse it.
Example: open the idle,
import os
os.path.exists("lib ") ==> True
os.path.listdir('lib ')
Traceback (most recent call last):
File "<pyshell#36>", line 1, in -toplevel-
os.listdir('lib ')
WindowsError: [Errno 3] Le chemin d'accès spécifié est introuvable:
'lib /*.*'
os.stat('lib ') works ...
os.stat(' lib') does not work (that ok to me)
I disagree with the argument that since Windows is bugged then Python is
bugged too.
It should be possible to rightstrip the folder name before asking for the
resolution of
abspath/the_dir_with_space_at_the_end /*.*
Or to deactivate the rightstriping done on the stat builtin function.
I imagine that this is located in nt builtin module.
I have done it in my own program .. but this should be coded in interfaces
modules.
Jerrykhan
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Comment By: Georg Brandl (gbrandl)
Date: 2006-05-29 22:59
Message:
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user_id=849994
Since Python only calls the underlying Win32 function
FindFirstFile, I think there can nothing be done since that
function seems to be buggy in this respect.
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