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ERR: MultiIndex searchsorted #14990

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ERR: MultiIndex searchsorted #14990

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f397065
Merge remote-tracking branch 'refs/remotes/pandas-dev/master'
ShaharBental Dec 26, 2016
d22e816
GH14833: Added searchsorted to MultiIndex
ShaharBental Dec 26, 2016
de97bdb
GH14833: changed implementation to simply raise a NotImplementedExcep…
ShaharBental Dec 26, 2016
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3 changes: 3 additions & 0 deletions pandas/indexes/multi.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1470,6 +1470,9 @@ def get_indexer(self, target, method=None, limit=None, tolerance=None):

return _ensure_platform_int(indexer)

def searchsorted(self, value, side='left', sorter=None):
raise NotImplementedError()
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add a helpful message that explains one should use multi-index indexing here.


def reindex(self, target, method=None, level=None, limit=None,
tolerance=None):
"""
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7 changes: 7 additions & 0 deletions pandas/tests/test_multilevel.py
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Expand Up @@ -2448,6 +2448,13 @@ def test_iloc_mi(self):

assert_frame_equal(result, expected)

def test_searchsorted(self):
# GH 14833
# Test if MultiIndex searchsorted raises the NotImplementedException
df_mi = pd.MultiIndex([[0], ["a"]], [[0], [0]])
with self.assertRaises(Exception) as context:
df_mi.searchsorted((1, "b"))
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with self.assertRaises(NotImplementedError):
   ...

is enough

self.assertTrue(context.exception,NotImplementedError())

if __name__ == '__main__':
nose.runmodule(argv=[__file__, '-vvs', '-x', '--pdb', '--pdb-failure'],
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