#!/usr/bin/env python # -*- coding: utf-8 -*- # Date    : 2018-12-02 19:04:55 import wave import requests import time import base64 from pyaudio import PyAudio, paInt16 import webbrowser
framerate = 16000  # 采 num_samples = 2000  # 采样点 channels = 1  # 声道 sampwidth = 2  # 采样宽度2bytes FILEPATH = 'speech.wav'
base_url = "https://openapi.baidu.com/oauth/2.0/token?grant_type=client_credentials&client_id=%s&client_secret=%s" APIKey = "A0YzbOlHhA7P3w8pKpeaPH3r" SecretKey = "L8Y8c1MaQj0uNHMcjdrYKGLYyhQGZOpQ"
HOST = base_url % (APIKey, SecretKey)

def getToken(host):     res = requests.post(host)     return res.json()['access_token']

def save_wave_file(filepath, data):     wf = wave.open(filepath, 'wb')     wf.setnchannels(channels)     wf.setsampwidth(sampwidth)     wf.setframerate(framerate)     wf.writeframes(b''.join(data))     wf.close()

def my_record():     pa = PyAudio()     stream = pa.open(format=paInt16, channels=channels,                      rate=framerate, input=True, frames_per_buffer=num_samples)     my_buf = []     # count = 0     t = time.time()     print('正在录音...')
    while time.time() < t + 4:  # 秒         string_audio_data = stream.read(num_samples)         my_buf.append(string_audio_data)     print('录音结束.')     save_wave_file(FILEPATH, my_buf)     stream.close()

def get_audio(file):     with open(file, 'rb') as f:         data = f.read()     return data

def speech2text(speech_data, token, dev_pid=1537):     FORMAT = 'wav'     RATE = '16000'     CHANNEL = 1     CUID = '*******'     SPEECH = base64.b64encode(speech_data).decode('utf-8')
    data = {         'format': FORMAT,         'rate': RATE,         'channel': CHANNEL,         'cuid': CUID,         'len': len(speech_data),         'speech': SPEECH,         'token': token,         'dev_pid': dev_pid     }     url = 'https://vop.baidu.com/server_api'     headers = {'Content-Type': 'application/json'}     # r=requests.post(url,data=json.dumps(data),headers=headers)     print('正在识别...')     r = requests.post(url, json=data, headers=headers)     Result = r.json()     if 'result' in Result:         return Result['result'][0]     else:         return Result

def openbrowser(text):     maps = {         '百度': ['百度', 'baidu'],         '腾讯': ['腾讯', 'tengxun'],         '网易': ['网易', 'wangyi']
    }     if text in maps['百度']:         webbrowser.open_new_tab('https://www.baidu.com')     elif text in maps['腾讯']:         webbrowser.open_new_tab('https://www.qq.com')     elif text in maps['网易']:         webbrowser.open_new_tab('https://www.163.com/')     else:         webbrowser.open_new_tab('https://www.baidu.com/s?wd=%s' % text)

if __name__ == '__main__':     flag = 'y'     while flag.lower() == 'y':         print('请输入数字选择语言：')         devpid = input('1536：普通话(简单英文),1537:普通话(有标点),1737:英语,1637:粤语,1837:四川话\n')         my_record()         TOKEN = getToken(HOST)         speech = get_audio(FILEPATH)         result = speech2text(speech, TOKEN, int(devpid))         print(result)         if type(result) == str:             openbrowser(result.strip('，'))         flag = input('Continue?(y/n):')