class_docstr: Object representing a locale.
  
  After calling one of `load_translations` or `load_gettext_translations`,
  call `get` or `get_closest` to get a Locale object.
code: def pgettext(self, context, message, plural_message=None, count=None):
      raise NotImplementedError()
  
imports: from __future__ import absolute_import, division, print_function
  import codecs
  import csv
  import datetime
  from io import BytesIO
  import numbers
  import os
  import re
  from tornado import escape
  from tornado.log import gen_log
  from tornado.util import PY3
  from tornado._locale_data import LOCALE_NAMES
label_desc: Use image node_id 5 for calling the Locale obj's underlying member method code with example usage: obj.pgettext(context, message, plural_message, count) without return types