def _maybe_cast_slice_bound(self, label, side: str, kind):
"""
If label is a string, cast it to timedelta according to resolution.
Parameters
----------
label : object
side : {'left', 'right'}
kind : {'loc', 'getitem'} or None
Returns
-------
label : object
"""
assert kind in ["loc", "getitem", None]
if isinstance(label, str):
parsed = Timedelta(label)
lbound = parsed.round(parsed.resolution_string)
if side == "left":
return lbound
else:
return lbound + to_offset(
parsed.resolution_string) - Timedelta(1, "ns")
elif not isinstance(label, self._data._recognized_scalars):
self._invalid_indexer("slice", label)
return label
def _maybe_cast_slice_bound(self, label, side: str, kind=lib.no_default):
"""
If label is a string, cast it to timedelta according to resolution.
Parameters
----------
label : object
side : {'left', 'right'}
kind : {'loc', 'getitem'} or None
Returns
-------
label : object
"""
assert kind in ["loc", "getitem", None, lib.no_default]
self._deprecated_arg(kind, "kind", "_maybe_cast_slice_bound")
if isinstance(label, str):
try:
parsed = Timedelta(label)
except ValueError as err:
# e.g. 'unit abbreviation w/o a number'
raise self._invalid_indexer("slice", label) from err
# The next two lines are analogous to DTI/PI._parsed_str_to_bounds
lower = parsed.round(parsed.resolution_string)
upper = lower + to_offset(parsed.resolution_string) - Timedelta(
1, "ns")
return lower if side == "left" else upper
elif not isinstance(label, self._data._recognized_scalars):
raise self._invalid_indexer("slice", label)
return label
def _parsed_string_to_bounds(self, reso, parsed: Timedelta):
# reso is unused, included to match signature of DTI/PI
lbound = parsed.round(parsed.resolution_string)
rbound = lbound + to_offset(parsed.resolution_string) - Timedelta(1, "ns")
return lbound, rbound