python - IBM 文本到语音 Python 解码错误
问题描述
我刚刚尝试了 IBM 使用 Python 进行文本到语音的基本示例:
!pip install ibm_watson
from ibm_watson import TextToSpeechV1
from ibm_cloud_sdk_core.authenticators import IAMAuthenticator
apikey = 'my API KEY'
url = 'my SERVICE URL'
authenticator = IAMAuthenticator(apikey)
tts = TextToSpeechV1(authenticator=authenticator)
tts.set_service_url(url)
with open('./speech.mp3', 'wb') as audio_file:
res = tts.synthesize('Hello World!', accept='audio/mp3', voice='en-US_AllisonV3Voice').get_result()
audio_file.write(res.content)
但我收到一条错误消息:DecodeError: It is required to pass in a value for the "algorithms" argument when calling decode().*
DecodeError Traceback (most recent call last)
<ipython-input-5-53b9d398591b> in <module>
1 with open('./speech.mp3', 'wb') as audio_file:
----> 2 res = tts.synthesize('Hello World!', accept='audio/mp3', voice='en-US_AllisonV3Voice').get_result()
3 audio_file.write(res.content)
c:\users\chris\appdata\local\programs\python\python39\lib\site-packages\ibm_watson\text_to_speech_v1.py in synthesize(self, text, accept, voice, customization_id, **kwargs)
275
276 url = '/v1/synthesize'
--> 277 request = self.prepare_request(method='POST',
278 url=url,
279 headers=headers,
c:\users\chris\appdata\local\programs\python\python39\lib\site-packages\ibm_cloud_sdk_core\base_service.py in prepare_request(self, method, url, headers, params, data, files, **kwargs)
295 request['data'] = data
296
--> 297 self.authenticator.authenticate(request)
298
299 # Next, we need to process the 'files' argument to try to fill in
c:\users\chris\appdata\local\programs\python\python39\lib\site-packages\ibm_cloud_sdk_core\authenticators\iam_authenticator.py in authenticate(self, req)
104 """
105 headers = req.get('headers')
--> 106 bearer_token = self.token_manager.get_token()
107 headers['Authorization'] = 'Bearer {0}'.format(bearer_token)
108
c:\users\chris\appdata\local\programs\python\python39\lib\site-packages\ibm_cloud_sdk_core\jwt_token_manager.py in get_token(self)
77 """
78 if self._is_token_expired():
---> 79 self.paced_request_token()
80
81 if self._token_needs_refresh():
c:\users\chris\appdata\local\programs\python\python39\lib\site-packages\ibm_cloud_sdk_core\jwt_token_manager.py in paced_request_token(self)
122 if not request_active:
123 token_response = self.request_token()
--> 124 self._save_token_info(token_response)
125 self.request_time = 0
126 return
c:\users\chris\appdata\local\programs\python\python39\lib\site-packages\ibm_cloud_sdk_core\jwt_token_manager.py in _save_token_info(self, token_response)
189
190 # The time of expiration is found by decoding the JWT access token
--> 191 decoded_response = jwt.decode(access_token, verify=False)
192 # exp is the time of expire and iat is the time of token retrieval
193 exp = decoded_response.get('exp')
c:\users\chris\appdata\local\programs\python\python39\lib\site-packages\jwt\api_jwt.py in decode(self, jwt, key, algorithms, options, **kwargs)
111 **kwargs,
112 ) -> Dict[str, Any]:
--> 113 decoded = self.decode_complete(jwt, key, algorithms, options, **kwargs)
114 return decoded["payload"]
115
c:\users\chris\appdata\local\programs\python\python39\lib\site-packages\jwt\api_jwt.py in decode_complete(self, jwt, key, algorithms, options, **kwargs)
77
78 if options["verify_signature"] and not algorithms:
---> 79 raise DecodeError(
80 'It is required that you pass in a value for the "algorithms" argument when calling decode().'
81 )
DecodeError: It is required that you pass in a value for the "algorithms" argument when calling decode().
解决方案
问题可能出在最新版本的 PyJWT 包 (2.0.0) 上。利用
pip install PyJWT==1.7.1
降级到以前的版本,您的项目现在可以工作了。(这对我有用)
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