def test_bounds_with_different_units(self):
out_of_bounds_dates = (
'1677-09-21',
'2262-04-12',
)
time_units = ('D', 'h', 'm', 's', 'ms', 'us')
for date_string in out_of_bounds_dates:
for unit in time_units:
self.assertRaises(
ValueError,
tslib.Timestamp,
np.datetime64(date_string, dtype='M8[%s]' % unit)
)
in_bounds_dates = (
'1677-09-23',
'2262-04-11',
)
for date_string in in_bounds_dates:
for unit in time_units:
tslib.Timestamp(
np.datetime64(date_string, dtype='M8[%s]' % unit)
)
def test_barely_oob_dts(self):
one_us = np.timedelta64(1)
# By definition we can't go out of bounds in [ns], so we
# convert the datetime64s to [us] so we can go out of bounds
min_ts_us = np.datetime64(tslib.Timestamp.min).astype('M8[us]')
max_ts_us = np.datetime64(tslib.Timestamp.max).astype('M8[us]')
# No error for the min/max datetimes
tslib.Timestamp(min_ts_us)
tslib.Timestamp(max_ts_us)
# One us less than the minimum is an error
self.assertRaises(ValueError, tslib.Timestamp, min_ts_us - one_us)
# One us more than the maximum is an error
self.assertRaises(ValueError, tslib.Timestamp, max_ts_us + one_us)
def _maybe_box_datetimelike(value):
# turn a datetime like into a Timestamp/timedelta as needed
if isinstance(value, (np.datetime64, datetime)):
value = tslib.Timestamp(value)
elif isinstance(value, (np.timedelta64, timedelta)):
value = tslib.Timedelta(value)
return value
def filterDates(dates,
minDate='2014-12-24 00:00:01',
maxDate='2015-12-05 00:00:01'):
minD, maxD = pts.Timestamp(minDate), pts.Timestamp(maxDate)
clean = (dates.apply(lambda x: filterDate(x, minD, maxD)))
return dates[clean]