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BUG: Fix dtypes order when ordering is different from original file in pandas.io.stata.read_stata #10757

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Merged
merged 1 commit into from
Aug 6, 2015
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BUG: Fix dtypes order when ordering is different from original file in pandas.io.stata.read_stata #10757

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2 changes: 1 addition & 1 deletion doc/source/whatsnew/v0.17.0.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -598,7 +598,7 @@ Bug Fixes
- Bug in ``DataFrame.plot`` raises ``ValueError`` when color name is specified by multiple characters (:issue:`10387`)



- Bug in ``read_stata`` when reading a file with a different order set in ``columns`` (:issue:`10757`)

- Reading "famafrench" data via ``DataReader`` results in HTTP 404 error because of the website url is changed (:issue:`10591`).
- Bug in ``read_msgpack`` where DataFrame to decode has duplicate column names (:issue:`9618`)
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14 changes: 6 additions & 8 deletions pandas/io/stata.py
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Expand Up @@ -1614,14 +1614,12 @@ def _do_select_columns(self, data, columns):
typlist = []
fmtlist = []
lbllist = []
matched = set()
for i, col in enumerate(data.columns):
if col in column_set:
matched.update([col])
dtyplist.append(self.dtyplist[i])
typlist.append(self.typlist[i])
fmtlist.append(self.fmtlist[i])
lbllist.append(self.lbllist[i])
for col in columns:
i = data.columns.get_loc(col)
dtyplist.append(self.dtyplist[i])
typlist.append(self.typlist[i])
fmtlist.append(self.fmtlist[i])
lbllist.append(self.lbllist[i])

self.dtyplist = dtyplist
self.typlist = typlist
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8 changes: 8 additions & 0 deletions pandas/io/tests/test_stata.py
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Expand Up @@ -782,6 +782,14 @@ def test_drop_column(self):
columns=columns)

tm.assert_frame_equal(expected, dropped)

# See PR 10757
columns = ['int_', 'long_', 'byte_']
expected = expected[columns]
reordered = read_stata(self.dta15_117, convert_dates=True,
columns=columns)
tm.assert_frame_equal(expected, reordered)

with tm.assertRaises(ValueError):
columns = ['byte_', 'byte_']
read_stata(self.dta15_117, convert_dates=True, columns=columns)
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