text: # Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
  #
  # 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.
  
  __all__ = ['build_neck']
  
  
  def build_neck(config):
      from .db_fpn import DBFPN
      from .east_fpn import EASTFPN
      from .sast_fpn import SASTFPN
      from .rnn import SequenceEncoder
      from .pg_fpn import PGFPN
      from .table_fpn import TableFPN
      from .fpn import FPN
      support_dict = ['FPN','DBFPN', 'EASTFPN', 'SASTFPN', 'SequenceEncoder', 'PGFPN', 'TableFPN']
  
      module_name = config.pop('name')
      assert module_name in support_dict, Exception('neck only support {}'.format(
          support_dict))
      module_class = eval(module_name)(**config)
      return module_class
  