8000 ENH: indexing and __getitem__ of dataframe and series accept zerodim integer np.array as int by tamuhey · Pull Request #24924 · pandas-dev/pandas · GitHub
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ENH: indexing and __getitem__ of dataframe and series accept zerodim integer np.array as int #24924

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Merged
merged 14 commits into from
Feb 20, 2019
Merged

ENH: indexing and __getitem__ of dataframe and series accept zerodim integer np.array as int #24924

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e38be24
ENH: df.iloc accepts zero dim integer np.array as int
tamuhey Jan 25, 2019
16bbaa9
test compares the result and expected value
tamuhey Jan 27, 2019
5fc0120
ENH: df.loc accepts zerodim integer np.array, and add test
tamuhey Jan 27, 2019
9bd6491
ENH: df.__getitem__ accepts zerodim integer np.array, and add test
tamuhey Jan 27, 2019
55d4cc3
add whatsnew, v0.25.0.rst
tamuhey Jan 27, 2019
721684f
add test and whatsnew about changes of pd.Series indexing and __getit…
tamuhey Jan 27, 2019
b8acbde
move tests of df.__getitem__ and s.__getitem__ to tests/indexing/test…
tamuhey Jan 28, 2019
8d4c9a1
CLN: remove redundant comment, and name series as s
tamuhey Jan 28, 2019
83a1963
modified: doc/source/whatsnew/v0.25.0.rst
tamuhey Jan 29, 2019
b979434
fix whatsnew
tamuhey Feb 2, 2019
760a3a3
Merge branch 'master' into iss24919_df_iloc_support_zero_dim_np_array
tamuhey Feb 2, 2019
71de442
Merge branch master into test
tamuhey Feb 17, 2019
7e5c8d8
Merge branch 'master' into iss24919_df_iloc_support_zero_dim_np_array
tamuhey Feb 18, 2019
3242e29
modified: doc/source/whatsnew/v0.25.0.rst
tamuhey Feb 19, 2019
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CLN: remove redundant comment, and name series as s
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@tamuhey
tamuhey committed Jan 29, 2019
commit 8d4c9a13dab5d70bd33fde32b6ba1be41656ff74
19 changes: 6 additions & 13 deletions pandas/tests/indexing/test_iloc.py
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Original file line number Diff line number Diff line change
Expand Up @@ -676,22 +676,15 @@ def test_identity_slice_returns_new_object(self):
original_series[:3] = [7, 8, 9]
assert all(sliced_series[:3] == [7, 8, 9])

def test_indexing_zero_dim_np_array(self):
def test_indexing_zerodim_np_array(self):
# GH24919
df = DataFrame([[1, 2], [3, 4]])

# should not raise an error
result = df.iloc[np.array(0)]
s = pd.Series([1, 2], name=0)
tm.assert_series_equal(result, s)

# expected series
sr = pd.Series([1, 2], name=0)
tm.assert_series_equal(result, sr)

def test_series_indexing_zero_dim_np_array(self):
def test_series_indexing_zerodim_np_array(self):
# GH24919
sr = Series([1, 2])

# should not raise an error
result = sr.iloc[np.array(0)]

s = Series([1, 2])
result = s.iloc[np.array(0)]
assert result == 1
19 changes: 6 additions & 13 deletions pandas/tests/indexing/test_loc.py
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Original file line number Diff line number Diff line change
Expand Up @@ -766,22 +766,15 @@ def test_loc_setitem_empty_append_raises(self):
with pytest.raises(ValueError, match=msg):
df.loc[0:2, 'x'] = data

def test_indexing_zero_dim_np_array(self):
def test_indexing_zerodim_np_array(self):
# GH24924
df = DataFrame([[1, 2], [3, 4]])

# should not raise an error
result = df.loc[np.array(0)]
s = pd.Series([1, 2], name=0)
tm.assert_series_equal(result, s)

# expected series
sr = pd.Series([1, 2], name=0)
tm.assert_series_equal(result, sr)

def test_series_indexing_zero_dim_np_array(self):
def test_series_indexing_zerodim_np_array(self):
# GH24924
sr = Series([1, 2])

# should not raise an error
result = sr.loc[np.array(0)]

s = Series([1, 2])
result = s.loc[np.array(0)]
assert result == 1
0