160 lines
5.2 KiB
Python
160 lines
5.2 KiB
Python
import requests
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import json
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import http.client
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from django.conf import settings
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from aliyunsdkcore.client import AcsClient
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from aliyunsdkcore.request import CommonRequest
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class AliyunAudioService():
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def __init__(self, api_key, api_secret, app_id):
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self.app_id = app_id
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# 创建AcsClient实例
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self.client = AcsClient(
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api_key,
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api_secret,
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"cn-shanghai"
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)
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def get_token(self):
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# 创建request，并设置参数。
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request = CommonRequest()
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request.set_method('POST')
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request.set_domain('nls-meta.cn-shanghai.aliyuncs.com')
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request.set_version('2019-02-28')
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request.set_action_name('CreateToken')
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try :
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response = self.client.do_action_with_exception(request)
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print(response)
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jss = json.loads(response)
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if 'Token' in jss and 'Id' in jss['Token']:
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token = jss['Token']['Id']
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expire_time = jss['Token']['ExpireTime']
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print("token = " + token)
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print("expireTime = " + str(expire_time))
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return token
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except Exception as e:
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print(e)
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def synthesize_speech(self, text, language='en'):
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host = 'nls-gateway-cn-shanghai.aliyuncs.com'
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url = 'https://' + host + '/stream/v1/tts'
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# 设置HTTPS Headers。
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http_headers = {
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'Content-Type': 'application/json'
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}
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# 设置HTTPS Body。
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body = {'appkey': self.app_id, 'token': self.get_token(), 'text': text, 'format': 'mp3', 'sample_rate': 16000}
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body = json.dumps(body)
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print('The POST request body content: ' + body)
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# Python 2.x请使用httplib。
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# conn = httplib.HTTPSConnection(host)
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# Python 3.x请使用http.client。
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conn = http.client.HTTPSConnection(host)
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conn.request(method='POST', url=url, body=body, headers=http_headers)
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# 处理服务端返回的响应。
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response = conn.getresponse()
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print('Response status and response reason:')
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print(response.status ,response.reason)
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content_type = response.getheader('Content-Type')
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print(content_type)
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body = response.read()
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if 'audio/mpeg' == content_type :
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with open('./test.mp3', mode='wb') as f:
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f.write(body)
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print('The POST request succeed!')
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else :
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print('The POST request failed: ' + str(body))
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conn.close()
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return 'test.mp3'
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def recognize_speech(self, audio_data, language='en') -> str:
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app_key = self.app_id
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token = self.get_token()
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# 服务请求地址
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url = 'https://nls-gateway-cn-shanghai.aliyuncs.com/stream/v1/asr'
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# audioFile = '/path/to/nls-sample-16k.wav'
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# audioFile = './uploaded_files/audio.wav'
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# audio_format = 'pcm'
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audio_format = 'mp3'
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sample_rate = 16000
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enable_punctuation_prediction = True
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enable_inverse_text_normalization = True
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enable_voice_detection = False
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# 设置RESTful请求参数
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request = url + '?appkey=' + app_key
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request = request + '&format=' + audio_format
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request = request + '&sample_rate=' + str(sample_rate)
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if enable_punctuation_prediction :
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request = request + '&enable_punctuation_prediction=' + 'true'
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if enable_inverse_text_normalization :
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request = request + '&enable_inverse_text_normalization=' + 'true'
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if enable_voice_detection :
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request = request + '&enable_voice_detection=' + 'true'
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# print('Request: ' + request)
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# # 读取音频文件
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# with open(audioFile, mode = 'rb') as f:
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# audioContent = f.read()
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host = 'nls-gateway-cn-shanghai.aliyuncs.com'
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# 设置HTTPS请求头部
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http_headers = {
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'X-NLS-Token': token,
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'Content-type': 'application/octet-stream',
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'Content-Length': len(audio_data)
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}
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# Python 2.x使用httplib
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# conn = httplib.HTTPSConnection(host)
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# Python 3.x使用http.client
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conn = http.client.HTTPSConnection(host)
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conn.request(method='POST', url=request, body=audio_data, headers=http_headers)
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response = conn.getresponse()
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# print('Response status and response reason:')
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# print(response.status ,response.reason)
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body = response.read()
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try:
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print('Recognize response is:')
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body = json.loads(body)
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print(body)
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status = body['status']
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if status == 20000000 :
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result = body['result']
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print('Recognize result: ' + result)
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return result
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else :
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print('Recognizer failed!')
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return '识别失败'
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except ValueError:
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print('The response is not json format string')
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conn.close()
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return '识别失败2'
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if __name__ == '__main__':
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audio_ser = AliyunAudioService('LTAI5tATVLJWRY2NT8HM8xuB', 'horkstB0bEw4HPsx4sOoMLfOtzJYJC', '0kdFDQxqA8qZYGwA')
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audio_ser.synthesize_speech('你好，你是谁啊')
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