STINNER Victor <[email protected]> added the comment:
A first implementation can be:
if os.name in ('nt', 'ce'):
def atomic_rename(a, b):
if os.path.exists(b):
unlink(b)
rename(a, b)
else:
atomic_rename = os.rename
This implementation is atomic on POSIX, and not atomic on Windows. Tell me if I
am wrong.
It can be improved later by adding the support of better Windows functions.
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