old_contents: from .market_calendar import MarketCalendar
  from .exchange_calendar_asx import ASXExchangeCalendar
  from .exchange_calendar_bmf import BMFExchangeCalendar
  from .exchange_calendar_cfe import CFEExchangeCalendar
  from .exchange_calendar_cme import \
      CMEExchangeCalendar, \
      CMEAgricultureExchangeCalendar, \
      CMEEquityExchangeCalendar, \
      CMEBondExchangeCalendar
  from .exchange_calendar_eurex import EUREXExchangeCalendar
  from .exchange_calendar_hkex import HKEXExchangeCalendar
  from .exchange_calendar_ice import ICEExchangeCalendar
  from .exchange_calendar_jpx import JPXExchangeCalendar
  from .exchange_calendar_lse import LSEExchangeCalendar
  from .exchange_calendar_nyse import NYSEExchangeCalendar
  from .exchange_calendar_ose import OSEExchangeCalendar
  from .exchange_calendar_six import SIXExchangeCalendar
  from .exchange_calendar_sse import SSEExchangeCalendar
  from .exchange_calendar_tsx import TSXExchangeCalendar
  from .exchange_calendar_xbom import XBOMExchangeCalendar
  from .trading_calendars_mirror import *
  
  
  def get_calendar(name, open_time=None, close_time=None):
      """
      Retrieves an instance of an MarketCalendar whose name is given.
  
      :param name: The name of the MarketCalendar to be retrieved.
      :param open_time: Market open time override as datetime.time object. If None then default is used.
      :param close_time: Market close time override as datetime.time object. If None then default is used.
      :return: MarketCalendar of the desired calendar.
      """
      return MarketCalendar.factory(name, open_time=open_time, close_time=close_time)
  
  
  def get_calendar_names():
      """All Market Calendar names and aliases that can be used in "factory"
      :return: list(str)
      """
      return MarketCalendar.calendar_names()
  
new_contents: from .market_calendar import MarketCalendar
  from .exchange_calendar_asx import ASXExchangeCalendar
  from .exchange_calendar_bmf import BMFExchangeCalendar
  from .exchange_calendar_cfe import CFEExchangeCalendar
  from .exchange_calendar_cme import \
      CMEExchangeCalendar, \
      CMEAgricultureExchangeCalendar, \
      CMEEquityExchangeCalendar, \
      CMEBondExchangeCalendar
  from .exchange_calendar_eurex import EUREXExchangeCalendar
  from .exchange_calendar_hkex import HKEXExchangeCalendar
  from .exchange_calendar_ice import ICEExchangeCalendar
  from .exchange_calendar_jpx import JPXExchangeCalendar
  from .exchange_calendar_lse import LSEExchangeCalendar
  from .exchange_calendar_nyse import NYSEExchangeCalendar
  from .exchange_calendar_ose import OSEExchangeCalendar
  from .exchange_calendar_six import SIXExchangeCalendar
  from .exchange_calendar_sse import SSEExchangeCalendar
  from .exchange_calendar_tsx import TSXExchangeCalendar
  from .exchange_calendar_xbom import XBOMExchangeCalendar
  from .exchange_calendar_tase import TASEExchangeCalendar
  from .trading_calendars_mirror import *
  
  
  def get_calendar(name, open_time=None, close_time=None):
      """
      Retrieves an instance of an MarketCalendar whose name is given.
  
      :param name: The name of the MarketCalendar to be retrieved.
      :param open_time: Market open time override as datetime.time object. If None then default is used.
      :param close_time: Market close time override as datetime.time object. If None then default is used.
      :return: MarketCalendar of the desired calendar.
      """
      return MarketCalendar.factory(name, open_time=open_time, close_time=close_time)
  
  
  def get_calendar_names():
      """All Market Calendar names and aliases that can be used in "factory"
      :return: list(str)
      """
      return MarketCalendar.calendar_names()
  
subject: Update calendar_registry.py