def insert(self, loc, item):
"""
Make new Index inserting new item at location
Parameters
----------
loc : int
item : object
If not either a Python datetime or a numpy integer-like, returned
Index dtype will be object rather than datetime.
Returns
-------
new_index : Index
"""
# try to convert if possible
if _is_convertible_to_td(item):
try:
item = Timedelta(item)
except ValueError:
# e.g. str that can't be parsed to timedelta
pass
elif is_scalar(item) and isna(item):
# GH 18295
item = self._na_value
freq = None
if isinstance(item, Timedelta) or (is_scalar(item) and isna(item)):
# check freq can be preserved on edge cases
if self.freq is not None:
if (loc == 0
or loc == -len(self)) and item + self.freq == self[0]:
freq = self.freq
elif (loc == len(self)) and item - self.freq == self[-1]:
freq = self.freq
item = Timedelta(item).asm8.view(_TD_DTYPE)
try:
new_tds = np.concatenate(
(self[:loc].asi8, [item.view(np.int64)], self[loc:].asi8))
return self._shallow_copy(new_tds, freq=freq)
except (AttributeError, TypeError):
# fall back to object index
if isinstance(item, str):
return self.astype(object).insert(loc, item)
raise TypeError(
"cannot insert TimedeltaIndex with incompatible label")
def insert(self, loc, item):
"""
Make new Index inserting new item at location
Parameters
----------
loc : int
item : object
if not either a Python datetime or a numpy integer-like, returned
Index dtype will be object rather than datetime.
Returns
-------
new_index : Index
"""
# try to convert if possible
if _is_convertible_to_td(item):
try:
item = Timedelta(item)
except Exception:
pass
elif is_scalar(item) and isna(item):
# GH 18295
item = self._na_value
freq = None
if isinstance(item, Timedelta) or (is_scalar(item) and isna(item)):
# check freq can be preserved on edge cases
if self.freq is not None:
if ((loc == 0 or loc == -len(self)) and
item + self.freq == self[0]):
freq = self.freq
elif (loc == len(self)) and item - self.freq == self[-1]:
freq = self.freq
item = Timedelta(item).asm8.view(_TD_DTYPE)
try:
new_tds = np.concatenate((self[:loc].asi8, [item.view(np.int64)],
self[loc:].asi8))
return self._shallow_copy(new_tds, freq=freq)
except (AttributeError, TypeError):
# fall back to object index
if isinstance(item, compat.string_types):
return self.astype(object).insert(loc, item)
raise TypeError(
"cannot insert TimedeltaIndex with incompatible label")
def insert(self, loc, item):
"""
Make new Index inserting new item at location
Parameters
----------
loc : int
item : object
if not either a Python datetime or a numpy integer-like, returned
Index dtype will be object rather than datetime.
Returns
-------
new_index : Index
"""
# try to convert if possible
if _is_convertible_to_td(item):
try:
item = Timedelta(item)
except:
pass
freq = None
if isinstance(item, (Timedelta, libts.NaTType)):
# check freq can be preserved on edge cases
if self.freq is not None:
if ((loc == 0 or loc == -len(self))
and item + self.freq == self[0]):
freq = self.freq
elif (loc == len(self)) and item - self.freq == self[-1]:
freq = self.freq
item = _to_m8(item)
try:
new_tds = np.concatenate(
(self[:loc].asi8, [item.view(np.int64)], self[loc:].asi8))
return TimedeltaIndex(new_tds, name=self.name, freq=freq)
except (AttributeError, TypeError):
# fall back to object index
if isinstance(item, compat.string_types):
return self.asobject.insert(loc, item)
raise TypeError(
"cannot insert TimedeltaIndex with incompatible label")
def insert(self, loc, item):
"""
Make new Index inserting new item at location
Parameters
----------
loc : int
item : object
if not either a Python datetime or a numpy integer-like, returned
Index dtype will be object rather than datetime.
Returns
-------
new_index : Index
"""
# try to convert if possible
if _is_convertible_to_td(item):
try:
item = Timedelta(item)
except:
pass
freq = None
if isinstance(item, (Timedelta, libts.NaTType)):
# check freq can be preserved on edge cases
if self.freq is not None:
if ((loc == 0 or loc == -len(self)) and
item + self.freq == self[0]):
freq = self.freq
elif (loc == len(self)) and item - self.freq == self[-1]:
freq = self.freq
item = _to_m8(item)
try:
new_tds = np.concatenate((self[:loc].asi8, [item.view(np.int64)],
self[loc:].asi8))
return TimedeltaIndex(new_tds, name=self.name, freq=freq)
except (AttributeError, TypeError):
# fall back to object index
if isinstance(item, compat.string_types):
return self.asobject.insert(loc, item)
raise TypeError(
"cannot insert TimedeltaIndex with incompatible label")