通過rest API，呼叫百度語音介面，將其接入智慧客服。

百度語音:http://ai.baidu.com/docs/#/ASR-API/top

#!/usr/bin/python3
import urllib.request
import urllib
import json
import base64
class BaiduRest:
    def __init__(self, cu_id, api_key, api_secert):
        # token認證的url
self.token_url = "https://openapi.baidu.com/oauth/2.0/token?grant_type=client_credentials&client_id=%s&client_secret=%s"
 
# 語音合成的resturl
self.getvoice_url = "http://tsn.baidu.com/text2audio?tex=%s&lan=zh&cuid=%s&ctp=1&tok=%s"
# 語音識別的resturl
self.upvoice_url = 'http://vop.baidu.com/server_api'
self.cu_id = cu_id
        self.getToken(api_key, api_secert)
        return
    def getToken(self, api_key, api_secert):
        # 1.
 
獲取token
token_url = self.token_url % (api_key,api_secert)

        r_str = urllib.request.urlopen(token_url).read()
        r_str = str(r_str, encoding="utf-8")
        token_data = json.loads(r_str)
        self.token_str = token_data['access_token']
        pass
    def getVoice(self, text, filename):
        # 2. 
 
向Rest介面提交資料
get_url = self.getvoice_url % (urllib.parse.quote(text), self.cu_id, self.token_str)

        voice_data = urllib.request.urlopen(get_url).read()
        # 3.處理返回資料
voice_fp = open(filename,'wb+')
        voice_fp.write(voice_data)
        voice_fp.close()
        pass
    def getText(self, filename):
        # 2. 向Rest介面提交資料
data = {}
        # 語音的一些引數
data['format'] = 'amr'
data['rate'] = 8000
data['channel'] = 1
data['cuid'] = self.cu_id
        data['token'] = self.token_str
        wav_fp = open(filename,'rb')
        voice_data = wav_fp.read()
        data['len'] = len(voice_data)
        data['speech'] = base64.b64encode(voice_data).decode('utf-8')
        post_data = json.dumps(data)
        r_data = urllib.request.urlopen(self.upvoice_url,data=bytes(post_data,encoding="utf-8")).read()
        # 3.處理返回資料
r_data= str(r_data, encoding="utf-8")
        return json.loads(r_data)['result']

if __name__ == "__main__":
    # 我的api_key,供大家測試用，在實際工程中請換成自己申請的應用的key和secert
api_key = "SrhYKqzl3SE1URnAEuZ0FKdT"
api_secert = "hGqeCkaMPb0ELMqtRGc2VjWdmjo7T89d"
# 初始化
api_key='Vf9zUcTBZmZaGqGTO8uktEqs'
api_secert='oqyXL4XmYXcyoMoUGSjbVk63Qp3oaq1X'
bdr = BaiduRest("test", api_key, api_secert)
    # 將字串語音合成並儲存為out.mp3
bdr.getVoice("李勤，李總，你能不能不要整天黑我了!", "out2.mp3")
    # 識別test.wav語音內容並顯示
print(bdr.getText("8k.amr"))