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Manual forward port of 64962 - use PyObject_HashNotImplemented as a tp_hash level indicator that the default hash implementation has not been inherited

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Nick Coghlan 2008-07-15 15:46:38 +00:00
parent e65282114e
commit d1abd25ed8
12 changed files with 122 additions and 94 deletions
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6
Lib/decimal.py
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@ -3783,10 +3783,8 @@ class Context(object):
for flag in flags:
self._ignored_flags.remove(flag)
def __hash__(self):
"""A Context cannot be hashed."""
# We inherit object.__hash__, so we must deny this explicitly
raise TypeError("Cannot hash a Context.")
# We inherit object.__hash__, so we must deny this explicitly
__hash__ = None
def Etiny(self):
"""Returns Etiny (= Emin - prec + 1)"""