code: def _field_accessor(name, alias, docstring=None):
      def f(self):
          base, mult = libfrequencies.get_freq_code(self.freq)
          result = get_period_field_arr(alias, self.asi8, base)
          return result
  
      f.__name__ = name
      f.__doc__ = docstring
      return property(f)
  
imports: from datetime import timedelta
  import operator
  import numpy
  from pandas._libs.tslibs import NaT, frequencies, iNaT, period
  from pandas._libs.tslibs.fields import isleapyear_arr
  from pandas._libs.tslibs.period import DIFFERENT_FREQ, IncompatibleFrequency, Period, get_period_field_arr, period_asfreq_arr
  from pandas._libs.tslibs.timedeltas import Timedelta, delta_to_nanoseconds
  import pandas.compat
  from pandas.util._decorators import Appender, cache_readonly
  from pandas.core.dtypes.common import _TD_DTYPE, ensure_object, is_datetime64_dtype, is_float_dtype, is_list_like, is_period_dtype, pandas_dtype
  from pandas.core.dtypes.dtypes import PeriodDtype
  from pandas.core.dtypes.generic import ABCDataFrame, ABCIndexClass, ABCPeriodIndex, ABCSeries
  from pandas.core.dtypes.missing import isna, notna
  import pandas.core.algorithms
  from pandas.core.arrays import datetimelike
  import pandas.core.common
  from pandas.tseries import frequencies
  from pandas.tseries.offsets import DateOffset, Tick, _delta_to_tick
label_desc: Use image node_id 1 for calling a global function with example usage: _field_accessor(name, alias, docstring) and returns: property, result