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ENH add time to DatetimeIndex #3180

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ENH add time to DatetimeIndex #3180

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7 changes: 7 additions & 0 deletions pandas/tseries/index.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1266,6 +1266,13 @@ def freqstr(self):
dayofyear = _field_accessor('dayofyear', 'doy')
quarter = _field_accessor('quarter', 'q')

@property
def time(self):
"""
Returns array of datetime.time. The time of the day
"""
return self.map(lambda t: t.time())

def normalize(self):
"""
Return DatetimeIndex with times to midnight. Length is unaltered
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6 changes: 6 additions & 0 deletions pandas/tseries/tests/test_timeseries.py
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Expand Up @@ -1778,6 +1778,12 @@ def test_union_with_DatetimeIndex(self):
i1.union(i2) # Works
i2.union(i1) # Fails with "AttributeError: can't set attribute"

def test_time(self):
rng = pd.date_range('1/1/2000', freq='12min', periods=10)
result = pd.Index(rng).time
expected = [t.time() for t in rng]
self.assert_((result == expected).all())


class TestLegacySupport(unittest.TestCase):
_multiprocess_can_split_ = True
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