8000 Fixes SparseSeries initiated with dictionary raising AttributeError by metllord · Pull Request #16960 · pandas-dev/pandas · GitHub
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Fixes SparseSeries initiated with dictionary raising AttributeError #16960

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Merged
merged 8 commits into from
Jul 19, 2017
Merged

Fixes SparseSeries initiated with dictionary raising AttributeError #16960

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b05ba81
Fixes SparseSeries initiated with dictionary raising AttributeError (…
Jul 15, 2017
6877159
Fixes spelling errors in whatsnew doc
Jul 16, 2017
19da337
Refactors test for SparseSeries construction
Jul 16, 2017
9869a05
fixes syntax error in test_series.py
Jul 16, 2017
2d3e318
Refactors test_series.py based on code review
Jul 16, 2017
4ce5703
Fixes bug with index in SparseSeries; tests all construction options
Jul 16, 2017
5a4605a
removed unnecessary test for sparceseries
Jul 16, 2017
5416762
Removes unecessary code from series.py; cleans up test_series
Jul 17, 2017
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Removes unecessary code from series.py; cleans up test_series
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Eric Stein committed Jul 17, 2017
commit 54167627f7c7a283aadc424298f6a71ac900231a
3 changes: 1 addition & 2 deletions pandas/core/sparse/series.py
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Original file line number Diff line number Diff line change
Expand Up @@ -147,8 +147,7 @@ def __init__(self, data=None, index=None, sparse_index=None, kind='block',

elif isinstance(data, (Series, dict)):
data = Series(data, index=index)
if index is None:
index = data.index.view()
index = data.index.view()

res = make_sparse(data, kind=kind, fill_value=fill_value)
data, sparse_index, fill_value = res
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15 changes: 5 additions & 10 deletions pandas/tests/sparse/test_series.py
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Expand Up @@ -88,27 +88,22 @@ def setup_method(self, method):
self.ziseries2 = SparseSeries(arr, index=index, kind='integer',
fill_value=0)

def test_constructor_data_input(self):
def test_constructor_dict_input(self):
# gh-16905
constructor_dict = {1: 1.}
index = [0, 1, 2]
series = pd.Series(constructor_dict)

# Series with index passed in
series = pd.Series(constructor_dict)
expected = SparseSeries(series, index=index)

result = SparseSeries(constructor_dict, index=index)
tm.assert_sp_series_equal(result, expected)

# Series and dictionary with no index: see gh-16905
expected = SparseSeries(series)

result = SparseSeries(constructor_dict)
tm.assert_sp_series_equal(result, expected)

# Series with index and dictionary with no index
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Can you explain why this being tested? The result variable is the same as in line 98.

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I was testing input with a series, but that is test turned out to be redundant. I removed it from the most recent commit.

series = pd.Series(constructor_dict, index=index)
expected = SparseSeries(series)

result = SparseSeries(constructor_dict, index=index)
result = SparseSeries(constructor_dict)
tm.assert_sp_series_equal(result, expected)

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Okay : in light of what you just said, I think you can condense this test a bit and rename as follows:

def test_constructor_dict_input(self):
...
series = pd.Series(constructor_dict, index=index)
expected = SparseSeries(series, index=index)

result = SparseSeries(constructor_dict)
tm.assert_sp_series_equal(result, expected)

And delete everything else below it.

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Thanks for this. I added this test and did find a case that was not handled correctly. I fixed the code and added tests for all options of SparseSeries creation.

def test_constructor_dtype(self):
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