1# coding=utf-8
2
3import sys
4import json
5
6# 保证兼容python2以及python3
7IS_PY3 = sys.version_info.major == 3
8if IS_PY3:
9    from urllib.request import urlopen
10    from urllib.request import Request
11    from urllib.error import URLError
12    from urllib.parse import urlencode
13    from urllib.parse import quote_plus
14else:
15    import urllib2
16    from urllib import quote_plus
17    from urllib2 import urlopen
18    from urllib2 import Request
19    from urllib2 import URLError
20    from urllib import urlencode
21
22# 替换你的 API_KEY
23API_KEY = 'nu9r2plGFi3s1ugayDPSM6Mk'
24
25# 替换你的 SECRET_KEY
26SECRET_KEY = 'G62YGnq84eKTqu0mBgvdpmC6gNBzHdai'
27
28# 大姚的订单信息内容文本
29TEXT = "三分钟前，由北京市顺义区二经路与二纬路交汇处北侧，北京首都国际机场T3航站楼 去往 东城区北三环东路36号喜来登大酒店(北京金隅店)"
30
31
32
33TTS_URL = 'http://tsn.baidu.com/text2audio'
34
35"""  TOKEN start """
36
37TOKEN_URL = 'http://openapi.baidu.com/oauth/2.0/token'
38
39
40"""
41    获取token
42"""
43def fetch_token():
44    params = {'grant_type': 'client_credentials',
45              'client_id': API_KEY,
46              'client_secret': SECRET_KEY}
47    post_data = urlencode(params)
48    if (IS_PY3):
49        post_data = post_data.encode('utf-8')
50    req = Request(TOKEN_URL, post_data)
51    try:
52        f = urlopen(req, timeout=5)
53        result_str = f.read()
54    except URLError as err:
55        print('token http response http code : ' + str(err.code))
56        result_str = err.read()
57    if (IS_PY3):
58        result_str = result_str.decode()
59
60
61    result = json.loads(result_str)
62
63    if ('access_token' in result.keys() and 'scope' in result.keys()):
64        if not 'audio_tts_post' in result['scope'].split(' '):
65            print ('please ensure has check the tts ability')
66            exit()
67        return result['access_token']
68    else:
69        print ('please overwrite the correct API_KEY and SECRET_KEY')
70        exit()
71
72
73"""  TOKEN end """
74
75if __name__ == '__main__':
76
77    token = fetch_token()
78
79    tex = quote_plus(TEXT)  # 此处TEXT需要两次urlencode
80
81    params = {'tok': token, 'tex': tex, 'cuid': "quickstart",
82              'lan': 'zh', 'ctp': 1}  # lan ctp 固定参数
83
84    data = urlencode(params)
85
86    req = Request(TTS_URL, data.encode('utf-8'))
87    has_error = False
88    try:
89        f = urlopen(req)
90        result_str = f.read()
91
92        headers = dict((name.lower(), value) for name, value in f.headers.items())
93
94        has_error = ('content-type' not in headers.keys() or headers['content-type'].find('audio/') < 0)
95    except  URLError as err:
96        print('http response http code : ' + str(err.code))
97        result_str = err.read()
98        has_error = True
99
100    save_file = "error.txt" if has_error else u'大姚的订单信息.mp3'
101
102    with open(save_file, 'wb') as of:
103        of.write(result_str)
104
105    if has_error:
106        if (IS_PY3):
107            result_str = str(result_str, 'utf-8')
108        print("tts api  error:" + result_str)
109
110    print("file saved as : " + save_file)