对接百度语音合成API出现请求连接不合法问题

YouCam

使用百度云的在线语音合成时，出现以下错误：

1. tts api  error:{"error_code":100,"error_msg":"Invalid parameter"}
   
2. file saved as : error.txt
   
3. Press any key to continue . . .
   

复制代码

代码源码：

1. 
   
2. # -*- coding: UTF-8 -*-
   
3. 
   
4. import sys
   
5. import json
   
6. 
   
7. # 保证兼容python2以及python3
   
8. IS_PY3 = sys.version_info.major == 3
   
9. if IS_PY3:
   
10.     from urllib.request import urlopen
    
11.     from urllib.request import Request
    
12.     from urllib.error import URLError
    
13.     from urllib.parse import urlencode
    
14.     from urllib.parse import quote_plus
    
15. else:
    
16.     import urllib2
    
17.     from urllib import quote_plus
    
18.     from urllib2 import urlopen
    
19.     from urllib2 import Request
    
20.     from urllib2 import URLError
    
21.     from urllib import urlencode
    
22. 
    
23. # 替换你的 API_KEY
    
24. API_KEY = 'xxxxxxxxxxxxxxxxx'
    
25. 
    
26. # 替换你的 SECRET_KEY
    
27. SECRET_KEY = 'xxxxxxxxxxxxxxxxxxx'
    
28. 
    
29. # 大姚的订单信息内容文本
    
30. TEXT = ''内容已省去'''
    
31. 
    
32. 
    
33. 
    
34. TTS_URL = 'https://aip.baidubce.com/rpc/2.0/tts/v1/create'
    
35. 
    
36. """  TOKEN start """
    
37. 
    
38. TOKEN_URL = 'http://openapi.baidu.com/oauth/2.0/token'
    
39. 
    
40. 
    
41. """
    
42.     获取token
    
43. """
    
44. def fetch_token():
    
45.     params = {'grant_type': 'client_credentials',
    
46.               'client_id': API_KEY,
    
47.               'client_secret': SECRET_KEY}
    
48.     post_data = urlencode(params)
    
49.     if (IS_PY3):
    
50.         post_data = post_data.encode('utf-8')
    
51.     req = Request(TOKEN_URL, post_data)
    
52.     try:
    
53.         f = urlopen(req, timeout=5)
    
54.         result_str = f.read()
    
55.     except URLError as err:
    
56.         print('token http response http code : ' + str(err.code))
    
57.         result_str = err.read()
    
58.     if (IS_PY3):
    
59.         result_str = result_str.decode()
    
60. 
    
61. 
    
62.     result = json.loads(result_str)
    
63. 
    
64.     if ('access_token' in result.keys() and 'scope' in result.keys()):
    
65.         if not 'audio_tts_post' in result['scope'].split(' '):
    
66.             print ('please ensure has check the tts ability')
    
67.             exit()
    
68.         return result['access_token']
    
69.     else:
    
70.         print ('please overwrite the correct API_KEY and SECRET_KEY')
    
71.         exit()
    
72. 
    
73. 
    
74. """  TOKEN end """
    
75. 
    
76. if __name__ == '__main__':
    
77. 
    
78.     token = fetch_token()
    
79. 
    
80.     tex = quote_plus(TEXT)  # 此处TEXT需要两次urlencode
    
81. 
    
82.     params = {
    
83.              'access_token':token,
    
84.              'text': tex,
    
85.              'format':"mp3-48k",
    
86.              'voice':5003,
    
87.               'lang': "zh"
    
88.               }
    
89. 
    
90.     data = urlencode(params)
    
91. 
    
92.     req = Request(TTS_URL, data.encode('utf-8'))
    
93.     has_error = False
    
94.     try:
    
95.         f = urlopen(req)
    
96.         result_str = f.read()
    
97. 
    
98.         headers = dict((name.lower(), value) for name, value in f.headers.items())
    
99. 
    
100.         has_error = ('content-type' not in headers.keys() or headers['content-type'].find('audio/') < 0)
     
101.     except  URLError as err:
     
102.         print('http response http code : ' + str(err.code))
     
103.         result_str = err.read()
     
104.         has_error = True
     
105. 
     
106.     save_file = "error.txt" if has_error else u'大姚的订单信息.mp3'
     
107. 
     
108.     with open(save_file, 'wb') as of:
     
109.         of.write(result_str)
     
110. 
     
111.     if has_error:
     
112.         if (IS_PY3):
     
113.             result_str = str(result_str, 'utf-8')
     
114.         print("tts api  error:" + result_str)
     
115. 
     
116.     print("file saved as : " + save_file)

复制代码

应该是请求的链接不合法，有没有大神知道如何写合法链接？万分感谢！

这是相关文档：

https://ai.baidu.com/ai-doc/REFERENCE/Ck3dwjhhu
https://cloud.baidu.com/doc/SPEECH/s/1ku59x8ey

hrpzcf

返回值不是写着无效参数吗？为什么会是链接不合法？

YouCam

hrpzcf 发表于 2022-6-30 01:47
返回值不是写着无效参数吗？为什么会是链接不合法？

我不懂，参数无效的话，浏览器请求的链接也就不合法了吧？