#9433: File locking broken on AFP mounts
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Reporter: rndblnch | Owner: anonymous
Type: Bug | Status: new
Component: File | Version: 1.1
uploads/storage | Resolution:
Severity: Normal | Triage Stage: Accepted
Keywords: | Needs documentation: 0
Has patch: 1 | Patch needs improvement: 1
Needs tests: 0 | UI/UX: 0
Easy pickings: 0 |
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Comment (by rndblnch):
Replying to [comment:9 lrekucki]:
> The patch doesn't apply (needs a very simple cleanup)
i will do that
> but more importantly this needs checking if it's still a problem on OS X
10.7, etc.
yes it is, see the example below where /tmp is local and
/Volumes/blanch/temp is distant volume (from a MacOSX 10.8 box) mounted
via afp on the local box (also running 10.8)
{{{
[esperluet:Shared/src/Django-1.5a1] blanch% python
Python 2.7.2 (default, Jun 20 2012, 16:23:33)
[GCC 4.2.1 Compatible Apple Clang 4.0 (tags/Apple/clang-418.0.60)] on
darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import django
>>> django.get_version()
u'1.5a1'
>>> from django.core.files import locks
>>> f = open("/tmp/test.txt", "w") # local file
>>> locks.lock(f, locks.LOCK_EX)
>>> f = open("/Volumes/blanch/temp/test.txt", "w") # distant file mounted
via afp
>>> locks.lock(f, locks.LOCK_EX)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "django/core/files/locks.py", line 56, in lock
fcntl.lockf(fd(file), flags)
IOError: [Errno 45] Operation not supported
>>>
}}}
--
Ticket URL: <https://code.djangoproject.com/ticket/9433#comment:11>
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