Author: Armin Rigo <[email protected]>
Branch: py3.5
Changeset: r90049:63cd193b7617
Date: 2017-02-11 16:05 +0100
http://bitbucket.org/pypy/pypy/changeset/63cd193b7617/
Log: Fix datetime.__hash__
diff --git a/lib-python/3/datetime.py b/lib-python/3/datetime.py
--- a/lib-python/3/datetime.py
+++ b/lib-python/3/datetime.py
@@ -1145,16 +1145,17 @@
def __hash__(self):
"""Hash."""
if self._hashcode == -1:
- # PyPy: uses the same algo as _datetimemodule.c, which
- # unlike the pure Python version always relies on the
- # nondeterministic hash on strings
- temp1 = timedelta(hours=self._hour,
- minutes=self._minute,
- seconds=self._second,
- microseconds=self._microsecond)
- tzoff = self.utcoffset()
- if tzoff: # not zero, not None
- temp1 -= tzoff
+ # PyPy: uses an algo that, like _datetimemodule.c and
+ # unlike the pure Python version, always relies on the
+ # nondeterministic hash on strings. Well, if we have no
+ # tzoff, that is. If we have tzoff then CPython's hashes
+ # are again deterministic. I have no clue why. We'll go
+ # for now for also being nondeterministic in this case.
+ temp1 = '%d@%d@%d@%d@%s' % (self._hour,
+ self._minute,
+ self._second,
+ self._microsecond,
+ self.utcoffset())
self._hashcode = hash(temp1)
return self._hashcode
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