#6 __LockNT appears to have an attribute checking bug

[WaffleSouffle]

Lines: 109-110
This code checks for one attribute "num_OSHandle" but then assigns to a different attribute "__num_OSHandle" which will get its name mangled. Unless I'm mistaken, the attribute name which is checked will never be assigned to so this test will always return False.

if hasattr(self, "num_OSHandle") == False:
self.__num_OSHandle = _get_osfhandle(self.fileno())

A possible solution would be:

try:
self.__num_OSHandle
except AttributeError:
self.__num_OSHandle = _get_osfhandle(self.fileno())

[WaffleSouffle]

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Should have said this is in XFile