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PaddleSpeech/paddlespeech/server/restful/acs_api.py

102 lines
3.0 KiB

# Copyright (c) 2022 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.
import base64
from typing import Union
from fastapi import APIRouter
from paddlespeech.cli.log import logger
from paddlespeech.server.engine.engine_pool import get_engine_pool
from paddlespeech.server.restful.request import ASRRequest
from paddlespeech.server.restful.response import ACSResponse
from paddlespeech.server.restful.response import ErrorResponse
from paddlespeech.server.utils.errors import ErrorCode
from paddlespeech.server.utils.errors import failed_response
from paddlespeech.server.utils.exception import ServerBaseException
router = APIRouter()
@router.get('/paddlespeech/asr/search/help')
def help():
"""help
Returns:
json: the audio content search result
"""
response = {
"success": "True",
"code": 200,
"message": {
"global": "success"
},
"result": {
"description": "acs server",
"input": "base64 string of wavfile",
"output": {
"asr_result": "你好",
"acs_result": [{
'w': '',
'bg': 0.0,
'ed': 1.2
}]
}
}
}
return response
@router.post(
"/paddlespeech/asr/search",
response_model=Union[ACSResponse, ErrorResponse])
def acs(request_body: ASRRequest):
"""acs api
Args:
request_body (ASRRequest): the acs request, we reuse the http ASRRequest
Returns:
json: the acs result
"""
try:
# 1. get the audio data via base64 decoding
audio_data = base64.b64decode(request_body.audio)
# 2. get single engine from engine pool
engine_pool = get_engine_pool()
acs_engine = engine_pool['acs']
# 3. no data stored in acs_engine, so we need to create the another instance process the data
acs_result, asr_result = acs_engine.run(audio_data)
response = {
"success": True,
"code": 200,
"message": {
"description": "success"
},
"result": {
"transcription": asr_result,
"acs": acs_result
}
}
except ServerBaseException as e:
response = failed_response(e.error_code, e.msg)
except BaseException as e:
response = failed_response(ErrorCode.SERVER_UNKOWN_ERR)
logger.error(e)
return response