py3调用讯飞tts，分享下。

#!/usr/bin/env python3
# -*- coding: utf-8 -*-

'''
这是利用了 讯飞 的 在线文本转语音 api，把单句文本转为语音文件，并保存到本地。
需要先填入 APPID 和 API_KEY。
详情见 https://www.xfyun.cn/services/online_tts
'''
import json
import requests
import time
import hashlib
import base64
import os

URL = 'http://api.xfyun.cn/v1/service/v1/tts'
AUE = 'lame'  # raw=wav, lame=mp3
APPID = ''
API_KEY = ''


def getHeader():
    curTime = str(int(time.time())).encode('utf-8')

    param = {
        'aue': AUE,
        'auf': 'audio/L16;rate=16000',
        'voice_name': 'xiaoyan',
        'engine_type': 'intp65',
    }
    paramBytes = str(param).encode('utf-8')
    # fix format (if ' or space exists, returns params error.)
    paramBytes = paramBytes.replace(b'\'', b'\"').replace(b' ', b'')
    paramBase64 = base64.b64encode(paramBytes)

    m2 = hashlib.md5()
    m2.update(API_KEY.encode('utf-8') + curTime + paramBase64)
    checkSum = m2.hexdigest()

    header = {
        'X-CurTime': curTime,
        'X-Param': paramBase64,
        'X-Appid': APPID,
        'X-CheckSum': checkSum,
        'X-Real-Ip': '127.0.0.1',
        'Content-Type': 'application/x-www-form-urlencoded; charset=utf-8',
    }
    return header


def xunfei_tts(text):
    header = getHeader()
    data = {'text': text}
    r = requests.post(URL, headers=header, data=data)
    if r.headers['Content-Type'] == "audio/mpeg":
        print("success | sid: %s | %s" % (r.headers['sid'], text[:10]))
        return r.content
    else:
        print(r.text)


if __name__ == '__main__':
    text = '床前明月光，疑是地上霜。'
    text += 'The moonlight flow on the floor, just like frost.'

    result = xunfei_tts(text)
    if result:
        root = os.path.split(os.path.realpath(__file__))[0]
        ext = '.wav'if AUE == "raw" else '.mp3'
        file = os.path.join(root, 'test' + ext)
        with open(file, 'wb') as f:
            f.write(result)