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DOC: Test doctests in pandas/core/tools/datetimes.py #26402

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May 15, 2019
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DOC: Test doctests in pandas/core/tools/datetimes.py #26402

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b032b53
Test doctests in pandas/core/tools/datetimes.py
HyukjinKwon May 15, 2019
98c358a
Just skip IPython ones
HyukjinKwon May 15, 2019
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4 changes: 4 additions & 0 deletions ci/code_checks.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -239,6 +239,10 @@ if [[ -z "$CHECK" || "$CHECK" == "doctests" ]]; then
pytest -q --doctest-modules pandas/core/groupby/groupby.py -k"-cumcount -describe -pipe"
RET=$(($RET + $?)) ; echo $MSG "DONE"

MSG='Doctests datetimes.py' ; echo $MSG
pytest -q --doctest-modules pandas/core/tools/datetimes.py
RET=$(($RET + $?)) ; echo $MSG "DONE"

MSG='Doctests top-level reshaping functions' ; echo $MSG
pytest -q --doctest-modules \
pandas/core/reshape/concat.py \
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18 changes: 8 additions & 10 deletions pandas/core/tools/datetimes.py
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Expand Up @@ -525,8 +525,8 @@ def to_datetime(arg, errors='raise', dayfirst=False, yearfirst=False,
'ms', 'us', 'ns']) or plurals of the same

>>> df = pd.DataFrame({'year': [2015, 2016],
'month': [2, 3],
'day': [4, 5]})
... 'month': [2, 3],
... 'day': [4, 5]})
>>> pd.to_datetime(df)
0 2015-02-04
1 2016-03-05
Expand All @@ -548,8 +548,7 @@ def to_datetime(arg, errors='raise', dayfirst=False, yearfirst=False,
Passing infer_datetime_format=True can often-times speedup a parsing
if its not an ISO8601 format exactly, but in a regular format.

>>> s = pd.Series(['3/11/2000', '3/12/2000', '3/13/2000']*1000)

>>> s = pd.Series(['3/11/2000', '3/12/2000', '3/13/2000'] * 1000)
>>> s.head()
0 3/11/2000
1 3/12/2000
Expand All @@ -558,10 +557,10 @@ def to_datetime(arg, errors='raise', dayfirst=False, yearfirst=False,
4 3/12/2000
dtype: object

>>> %timeit pd.to_datetime(s,infer_datetime_format=True)
>>> %timeit pd.to_datetime(s,infer_datetime_format=True) # doctest: +SKIP
100 loops, best of 3: 10.4 ms per loop

>>> %timeit pd.to_datetime(s,infer_datetime_format=False)
>>> %timeit pd.to_datetime(s,infer_datetime_format=False) # doctest: +SKIP
1 loop, best of 3: 471 ms per loop

Using a unix epoch time
Expand All @@ -577,10 +576,9 @@ def to_datetime(arg, errors='raise', dayfirst=False, yearfirst=False,
Using a non-unix epoch origin

>>> pd.to_datetime([1, 2, 3], unit='D',
origin=pd.Timestamp('1960-01-01'))
0 1960-01-02
1 1960-01-03
2 1960-01-04
... origin=pd.Timestamp('1960-01-01'))
DatetimeIndex(['1960-01-02', '1960-01-03', '1960-01-04'], \
dtype='datetime64[ns]', freq=None)
"""
if arg is None:
return None
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