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test_shutil fails with the following error under some AIX 5.3 machine:
======================================================================
FAIL: test_on_error (__main__.TestShutil)
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Traceback (most recent call last):
 File "Lib/test/test_shutil.py", line 35, in test_on_error
 shutil.rmtree(TESTFN, onerror=self.check_args_to_onerror)
 File "/qakplus/qa_test/SandBoxes/Antoine/Python-2.5.2/Lib/shutil.py",
line 161, in rmtree
 onerror(os.listdir, path, sys.exc_info())
 File "Lib/test/test_shutil.py", line 49, in check_args_to_onerror
 self.assertEqual(func, os.remove)
AssertionError: <built-in function listdir> != <built-in function remove>
The problem seems to be that the system is stricter with permissions
(please note I don't know AIX at all, and the filesystems are unknown
brands of network filesystems :-)), and @test in that test case is set
to chmod 0400:
$ chmod 400 @test
$ ./python -c "import os; print os.listdir('@test')"
Traceback (most recent call last):
 File "<string>", line 1, in <module>
OSError: [Errno 13] Permission denied: '@test'
$ chmod 100 @test
$ ./python -c "import os; print os.listdir('@test')"
Traceback (most recent call last):
 File "<string>", line 1, in <module>
OSError: [Errno 13] Permission denied: '@test'
$ chmod 500 @test
$ ./python -c "import os; print os.listdir('@test')"
['a']
The error was witnessed with Python 2.5.2 but the test case doesn't seem
to have changed in trunk so it should be the same there too.