If I use os.remove in Python to remove a directory, I expect it to fail
with an OSError on Python2 or a IsADirectoryError on Python3. On
Python2, I get OSError, but with the wrong error code, whereas on
Python3 I get completely the wrong exception.
Simple testcases:
$ rm -rf testdir && mkdir testdir && python -c 'import os;
os.remove("testdir")'
Traceback (most recent call last):
File "<string>", line 1, in <module>
OSError: [Errno 1] Operation not permitted: 'testdir'
$ rm -rf testdir && mkdir testdir && python3 -c 'import os;
os.remove("testdir")'
Traceback (most recent call last):
File "<string>", line 1, in <module>
PermissionError: [Errno 1] Operation not permitted: 'testdir'
On my handy CentOS box, I see the following instead:
$ rm -rf testdir && mkdir testdir && python -c 'import os;
os.remove("testdir")'
Traceback (most recent call last):
File "<string>", line 1, in <module>
OSError: [Errno 21] Is a directory: 'testdir'
$ rm -rf testdir && mkdir testdir && python3 -c 'import os;
os.remove("testdir")'
Traceback (most recent call last):
File "<string>", line 1, in <module>
IsADirectoryError: [Errno 21] Is a directory: 'testdir'
Now I've realised what's going wrong I can work around it, but it'd be
nice if the correct error were raised in the first place.
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