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import numpy as np
from pytz import UTC
from pandas._libs.tslibs.tzconversion import tz_localize_to_utc
from .tslib import (
_sizes,
_tzs,
tzlocal_obj,
)
try:
old_sig = False
from pandas._libs.tslibs import tz_convert_from_utc
except ImportError:
try:
old_sig = False
from pandas._libs.tslibs.tzconversion import tz_convert_from_utc
except ImportError:
old_sig = True
from pandas._libs.tslibs.tzconversion import tz_convert as tz_convert_from_utc
class TimeTZConvert:
params = [
_sizes,
[x for x in _tzs if x is not None],
]
param_names = ["size", "tz"]
def setup(self, size, tz):
if size == 10**6 and tz is tzlocal_obj:
# tzlocal is cumbersomely slow, so skip to keep runtime in check
raise NotImplementedError
arr = np.random.randint(0, 10, size=size, dtype="i8")
self.i8data = arr
def time_tz_convert_from_utc(self, size, tz):
# effectively:
# dti = DatetimeIndex(self.i8data, tz=tz)
# dti.tz_localize(None)
if old_sig:
tz_convert_from_utc(self.i8data, UTC, tz)
else:
tz_convert_from_utc(self.i8data, tz)
def time_tz_localize_to_utc(self, size, tz):
# effectively:
# dti = DatetimeIndex(self.i8data)
# dti.tz_localize(tz, ambiguous="NaT", nonexistent="NaT")
tz_localize_to_utc(self.i8data, tz, ambiguous="NaT", nonexistent="NaT")
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