fetchToken.py

import sys
import json

# 打印所有 python 解释器可以搜索到的所有路径
sys.path.append('../')
# print(sys.path)
# 导入自定义包
from config.apiConfig import *

# 保证兼容python2以及python3
IS_PY3 = sys.version_info.major == 3
if IS_PY3:
    from urllib.request import urlopen
    from urllib.request import Request
    from urllib.error import URLError
    from urllib.parse import urlencode
    from urllib.parse import quote_plus
else:
    import urllib2
    from urllib import quote_plus
    from urllib2 import urlopen
    from urllib2 import Request
    from urllib2 import URLError
    from urllib import urlencode

# 替换你的 API_KEY
# API_KEY = ''

# # 替换你的 SECRET_KEY
# SECRET_KEY = ''

# TOKEN_URL = 'http://openapi.baidu.com/oauth/2.0/token'


def fetch_token():
    params = {'grant_type': 'client_credentials',
              'client_id': API_KEY,
              'client_secret': SECRET_KEY}
    post_data = urlencode(params)
    if (IS_PY3):
        post_data = post_data.encode('utf-8')
    req = Request(TOKEN_URL, post_data)
    try:
        f = urlopen(req, timeout=5)
        result_str = f.read()
    except URLError as err:
        print('token http response http code : ' + str(err.code))
        result_str = err.read()
    if (IS_PY3):
        result_str = result_str.decode()

    result = json.loads(result_str)

    if ('access_token' in result.keys() and 'scope' in result.keys()):
        if not 'audio_tts_post' in result['scope'].split(' '):
            print('please ensure has check the tts ability')
            return ''
        return result['access_token']
    else:
        print('please overwrite the correct API_KEY and SECRET_KEY')
        return ''