def get_value(self, series, key):
"""
Fast lookup of value from 1-dimensional ndarray. Only use this if you
know what you're doing
"""
try:
return super(PeriodIndex, self).get_value(series, key)
except KeyError:
try:
asdt, parsed, reso = datetools.parse_time_string(key)
grp = _freq_mod._infer_period_group(reso)
freqn = _freq_mod._period_group(self.freq)
# if our data is higher resolution than requested key, slice
if grp < freqn:
iv = Period(asdt, freq=(grp, 1))
ord1 = iv.asfreq(self.freq, how="S").ordinal
ord2 = iv.asfreq(self.freq, how="E").ordinal
pos = np.searchsorted(self.values, [ord1, ord2])
key = slice(pos[0], pos[1] + 1)
return series[key]
else:
key = to_period(asdt, freq=self.freq).ordinal
return self._engine.get_value(series, key)
except TypeError:
pass
except KeyError:
pass
except IndexError:
ival = Period(key, freq=self.freq)
raise IndexError("%s is out of bounds" % ival)
key = to_period(key, self.freq).ordinal
return self._engine.get_value(series, key)
def get_loc(self, key):
"""
Get integer location for requested label
Returns
-------
loc : int
"""
try:
return self._engine.get_loc(key)
except KeyError:
try:
asdt, parsed, reso = datetools.parse_time_string(key)
key = asdt
except TypeError:
pass
except KeyError:
pass
key = to_period(key, self.freq).ordinal
return self._engine.get_loc(key)
def get_value(self, series, key):
"""
Fast lookup of value from 1-dimensional ndarray. Only use this if you
know what you're doing
"""
try:
return Index.get_value(self, series, key)
except KeyError:
try:
asdt, parsed, reso = datetools.parse_time_string(key)
key = asdt
loc = self._partial_date_slice(reso, parsed)
return series[loc]
except (TypeError, ValueError, KeyError):
pass
stamp = Timestamp(key)
try:
return self._engine.get_value(series, stamp)
except KeyError:
raise KeyError(stamp)
def _get_string_slice(self, key):
asdt, parsed, reso = datetools.parse_time_string(key)
key = asdt
loc = self._partial_date_slice(reso, parsed)
return loc
