[issue29535] datetime hash is deterministic in some cases

[Christian Heimes]

Christian Heimes added the comment:

I only checked Python 2.7. For Python 3.x it's a bit more complicated:

timedelta: PyObject_Hash(), always the same hash value
date: _Py_HashBytes(), always a randomized hash value
time: _Py_HashBytes() for offset = None, PyObject_Hash() for offset != 0
datetime: _Py_HashBytes() for offset = None, PyObject_Hash() for offset != 0
timezone: PyObject_Hash() (inherited from object)

I don't know why the datetime module doesn't use hash randomization for datetime and time objects with an offset. MAL is the master of (date)time. He might know.

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nosy: +lemburg

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<http://bugs.python.org/issue29535>
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