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Optimize __eq__ and __ne__ in key_ordering

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- use `is` when possible before calling `_cmp_key()`
This commit is contained in:
Todd Gamblin
2016-03-14 04:55:30 -07:00
parent 1179217334
commit 003fd4d834
1 changed files with 2 additions and 2 deletions
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4
lib/spack/llnl/util/lang.py
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@@ -235,11 +235,11 @@ def setter(name, value):
if not has_method(cls, '_cmp_key'):
raise TypeError("'%s' doesn't define _cmp_key()." % cls.__name__)
setter('__eq__', lambda s,o: o is not None and s._cmp_key() == o._cmp_key())
setter('__eq__', lambda s,o: (s is o) or (o is not None and s._cmp_key() == o._cmp_key()))
setter('__lt__', lambda s,o: o is not None and s._cmp_key() < o._cmp_key())
setter('__le__', lambda s,o: o is not None and s._cmp_key() <= o._cmp_key())
setter('__ne__', lambda s,o: o is None or s._cmp_key() != o._cmp_key())
setter('__ne__', lambda s,o: (s is not o) and (o is None or s._cmp_key() != o._cmp_key()))
setter('__gt__', lambda s,o: o is None or s._cmp_key() > o._cmp_key())
setter('__ge__', lambda s,o: o is None or s._cmp_key() >= o._cmp_key())