STINNER Victor added the comment:
> Here's the part of the code that does the open/close part:
> http://bazaar.launchpad.net/~exabyte/blackherd/async-refactor/view/61/blackherd/misc.py#L498
This code contains a bug: hasattr('os', 'fsync') is never True :-)
This part is interesting:
# fsync on Mac OS X doesn't work, it requires using the
# F_FULLSYNC fcntl
if hasattr(fcntl, 'F_FULLFSYNC'):
fcntl.fcntl(self._fd, fcntl.F_FULLFSYNC)
=> see also #11877
> http://trac.edgewall.org/browser/trunk/trac/util/__init__.py?#L145
This class copies file owner, permissions, flags, etc. atomic_write() should
probably also call copystat() on the temporary file.
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<http://bugs.python.org/issue8604>
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