lac_web_service.py

# 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.

from paddle_serving_server.web_service import WebService
import sys
from lac_reader import LACReader


class LACService(WebService):
    def load_reader(self):
        self.reader = LACReader("lac_dict")

    def preprocess(self, feed={}, fetch=[]):
        if "words" not in feed:
            raise ("feed data error!")
        feed_data = self.reader.process(feed["words"])
        fetch = ["crf_decode"]
        return {"words": feed_data}, fetch

    def postprocess(self, feed={}, fetch=[], fetch_map={}):
        segs = self.reader.parse_result(feed["words"], fetch_map["crf_decode"])
        return {"word_seg": "|".join(segs)}


lac_service = LACService(name="lac")
lac_service.load_model_config(sys.argv[1])
lac_service.load_reader()
lac_service.prepare_server(
    workdir=sys.argv[2], port=int(sys.argv[3]), device="cpu")
lac_service.run_server()