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Created on 2007-08-03 18:02 by rgheck, last changed 2022-04-11 14:56 by admin. This issue is now closed.
| Messages (4) | |||
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| msg32580 - (view) | Author: Richard Heck (rgheck) | Date: 2007-08-03 18:02 | |
When running on Linux and accessing a FAT partition, os.chmod fails with otherwise sensible partitions:
>>> os.chmod("/media/IHP-100/Test.lyx", 400)
>>> os.chmod("/media/IHP-100/Test.lyx", 600)
Traceback (most recent call last):
File "<stdin>", line 1, in ?
OSError: [Errno 1] Operation not permitted: '/media/IHP-100/Test.lyx'
The only thing that seems to be allowed is `4'.
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| msg32581 - (view) | Author: Georg Brandl (georg.brandl) *  |
Date: 2007-08-03 20:25 | |
Why do you think this is Python's fault? os.chmod() is only a very thin wrapper around the OS' chmod(). |
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| msg32582 - (view) | Author: Richard Heck (rgheck) | Date: 2007-08-03 20:39 | |
Well, the shell's chmod doesn't return an error. [rgheck@rghstudy scripts]$ chmod 600 /media/IHP-100/Test.lyx [rgheck@rghstudy scripts]$ echo $? 0 [rgheck@rghstudy scripts]$ chmod 400 /media/IHP-100/Test.lyx [rgheck@rghstudy scripts]$ echo $? 0 [rgheck@rghstudy scripts]$ chmod 700 /media/IHP-100/Test.lyx [rgheck@rghstudy scripts]$ echo $? 0 [rgheck@rghstudy scripts]$ python Python 2.4.4 (#1, Oct 23 2006, 13:58:00) [GCC 4.1.1 20061011 (Red Hat 4.1.1-30)] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> import os >>> os.chmod("/media/IHP-100/Test.lyx", 400) >>> os.chmod("/media/IHP-100/Test.lyx", 600) Traceback (most recent call last): File "<stdin>", line 1, in ? OSError: [Errno 1] Operation not permitted: '/media/IHP-100/Test.lyx' I don't know what would happen in C, say. |
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| msg32583 - (view) | Author: Neal Norwitz (nnorwitz) * |
Date: 2007-08-07 05:45 | |
Note: you are *not* using octal in python, but the chmod program is using octal: Try prefixing 400/600 with a zero, ie: 0400 or 0600. |
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| History | |||
|---|---|---|---|
| Date | User | Action | Args |
| 2022-04-11 14:56:25 | admin | set | github: 45272 |
| 2007-09-07 07:40:37 | georg.brandl | set | status: pending -> closed |
| 2007-08-23 20:31:32 | georg.brandl | set | status: open -> pending |
| 2007-08-03 18:02:26 | rgheck | create | |