old_contents: # -*- coding: utf-8 -*-
  #
  # Copyright 2017 Ricequant, Inc
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  
  from rqalpha.interface import AbstractMod
  from rqalpha.model.base_position import Positions
  
  from .booking_account import BookingAccount
  from .booking_position import BookingPosition
  
  # import api
  from . import api_booking
  
  
  class BookingMod(AbstractMod):
  
      def start_up(self, env, mod_config):
          # TODO: load pos/trade from pms
          self.booking_account = BookingAccount(register_event=True)
  
      def tear_down(self, code, exception=None):
          pass
  
new_contents: # -*- coding: utf-8 -*-
  #
  # Copyright 2017 Ricequant, Inc
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  
  from rqalpha.interface import AbstractMod
  from rqalpha.model.base_position import Positions
  
  from .booking_account import BookingAccount
  from .booking_position import BookingPosition
  
  # import api
  from . import api_booking
  
  
  class BookingMod(AbstractMod):
  
      def start_up(self, env, mod_config):
          if env.config.base.init_positions:
              raise RuntimeError("RQAlpha recieve init positions. rqalpha_mod_sys_booking do not support init_positions")
  
          # TODO: load pos/trade from pms
          self.booking_account = BookingAccount(register_event=True)
  
      def tear_down(self, code, exception=None):
          pass
  
subject: add init_positions check when run start_up of sys_booking