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PERF: Speeds up creation of Period, PeriodArray, with Offset freq #23589

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Merged
jreback merged 3 commits into from
Nov 9, 2018
Merged

PERF: Speeds up creation of Period, PeriodArray, with Offset freq #23589

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fa3fc63
PERF: Speeds up creation of Period, PeriodArray, with Offset freq
TomAugspurger Nov 9, 2018
8daba2c
move to to_offset
TomAugspurger Nov 9, 2018
795a7d1
fixup
TomAugspurger Nov 9, 2018
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2 changes: 2 additions & 0 deletions pandas/_libs/tslibs/offsets.pyx
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Expand Up @@ -84,6 +84,8 @@ cdef to_offset(object obj):
Wrap pandas.tseries.frequencies.to_offset to keep centralize runtime
imports
"""
if isinstance(obj, _BaseOffset):
return obj
from pandas.tseries.frequencies import to_offset
return to_offset(obj)

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1 change: 0 additions & 1 deletion pandas/_libs/tslibs/period.pyx
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Expand Up @@ -1567,7 +1567,6 @@ cdef class _Period(object):

@classmethod
def _maybe_convert_freq(cls, object freq):

if isinstance(freq, (int, tuple)):
code, stride = get_freq_code(freq)
freq = get_freq_str(code, stride)
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