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BUG: Remove locale conversion from Stata file date #15208

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bashtage wants to merge 1 commit into from
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BUG: Remove locale conversion from Stata file date #15208

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1 change: 1 addition & 0 deletions doc/source/whatsnew/v0.20.0.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -458,6 +458,7 @@ Bug Fixes

- Bug in ``pd.read_csv()`` with ``float_precision='round_trip'`` which caused a segfault when a text entry is parsed (:issue:`15140`)

- Bug in ``DataFrame.to_stata()`` and ``StataWriter`` which produces incorrectly formatted files to be produced for some locales (:issue:`13856`)



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12 changes: 9 additions & 3 deletions pandas/io/stata.py
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Expand Up @@ -2157,9 +2157,15 @@ def _write_header(self, data_label=None, time_stamp=None):
time_stamp = datetime.datetime.now()
elif not isinstance(time_stamp, datetime.datetime):
raise ValueError("time_stamp should be datetime type")
self._file.write(
self._null_terminate(time_stamp.strftime("%d %b %Y %H:%M"))
)
# GH #13856
# Avoid locale-specific month conversion
months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug',
'Sep', 'Oct', 'Nov', 'Dec']
month_lookup = {i + 1: month for i, month in enumerate(months)}
ts = (time_stamp.strftime("%d ") +
month_lookup[time_stamp.month] +
time_stamp.strftime(" %Y %H:%M"))
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@jreback jreback Jan 24, 2017 •
edited
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you could also

with pandas.util.testing.set_locale('en_US.UTF-8'):
    ....

not sure if this is better though

self._file.write(self._null_terminate(ts))

def _write_descriptors(self, typlist=None, varlist=None, srtlist=None,
fmtlist=None, lbllist=None):
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4 changes: 1 addition & 3 deletions pandas/io/tests/test_stata.py
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Expand Up @@ -484,9 +484,7 @@ def test_timestamp_and_label(self):
data_label=data_label)

with StataReader(path) as reader:
parsed_time_stamp = dt.datetime.strptime(
reader.time_stamp, ('%d %b %Y %H:%M'))
assert parsed_time_stamp == time_stamp
assert reader.time_stamp == '29 Feb 2000 14:21'
assert reader.data_label == data_label

def test_numeric_column_names(self):
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