Python调用科大讯飞在线语音合成API -完整代码

# -*- coding:utf-8 -*- # # author: iflytek # # 本demo测试时运行的环境为：Windows + Python3.7 # 本demo测试成功运行时所安装的第三方库及其版本如下： # cffi==1.12.3 # gevent==1.4.0 # greenlet==0.4.15 # pycparser==2.19 # six==1.12.0 # websocket==0.2.1 # websocket-client==0.56.0 # 合成小语种需要传输小语种文本、使用小语种发音人vcn、tte=unicode以及修改文本编码方式 # 错误码链接：https://www.xfyun.cn/document/error-code （code返回错误码时必看） # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # import websocket import datetime import hashlib import base64 import hmac import json from urllib.parse import urlencode import time import ssl from wsgiref.handlers import format_date_time from datetime import datetime from time import mktime import _thread as thread import os STATUS_FIRST_FRAME = 0 # 第一帧的标识 STATUS_CONTINUE_FRAME = 1 # 中间帧标识 STATUS_LAST_FRAME = 2 # 最后一帧的标识 class Ws_Param(object): # 初始化 def __init__(self, APPID, APIKey, APISecret, Text): self.APPID = APPID self.APIKey = APIKey self.APISecret = APISecret self.Text = Text # 公共参数(common) self.CommonArgs = {"app_id": self.APPID} # 业务参数(business)，更多个性化参数可在官网查看 self.BusinessArgs = {"aue": "raw", "auf": "audio/L16;rate=16000", "vcn": "xiaoyan", "tte": "utf8"} self.Data = {"status": 2, "text": str(base64.b64encode(self.Text.encode('utf-8')), "UTF8")} # 使用小语种须使用以下方式，此处的unicode指的是 utf16小端的编码方式，即"UTF-16LE"” # self.Data = {"status": 2, "text": str(base64.b64encode(self.Text.encode('utf-16')), "UTF8")} # 生成url def create_url(self): url = 'wss://tts-api.xfyun.cn/v2/tts' # 生成RFC1123格式的时间戳 now = datetime.now() date = format_date_time(mktime(now.timetuple())) # 拼接字符串 signature_origin = "host: " + "ws-api.xfyun.cn" + "\n" signature_origin += "date: " + date + "\n" signature_origin += "GET " + "/v2/tts " + "HTTP/1.1" # 进行hmac-sha256进行加密 signature_sha = hmac.new(self.APISecret.encode('utf-8'), signature_origin.encode('utf-8'), digestmod=hashlib.sha256).digest() signature_sha = base64.b64encode(signature_sha).decode(encoding='utf-8') authorization_origin = "api_key=\"%s\", algorithm=\"%s\", headers=\"%s\", signature=\"%s\"" % ( self.APIKey, "hmac-sha256", "host date request-line", signature_sha) authorization = base64.b64encode(authorization_origin.encode('utf-8')).decode(encoding='utf-8') # 将请求的鉴权参数组合为字典 v = { "authorization": authorization, "date": date, "host": "ws-api.xfyun.cn" } # 拼接鉴权参数，生成url url = url + '?' + urlencode(v) # print("date: ",date) # print("v: ",v) # 此处打印出建立连接时候的url,参考本demo的时候可取消上方打印的注释，比对相同参数时生成的url与自己代码生成的url是否一致 # print('websocket url :', url) return url def on_message(ws, message): try: message = json.loads(message) code = message["code"] sid = message["sid"] audio = message["data"]["audio"] audio = base64.b64decode(audio) status = message["data"]["status"] print(message) if status == 2: print("ws is closed") ws.close() if code != 0: errMsg = message["message"] print("sid:%s call error:%s code is:%s" % (sid, errMsg, code)) else: with open('./demo.pcm', 'ab') as f: f.write(audio) except Exception as e: print("receive msg,but parse exception:", e) # 收到websocket错误的处理 def on_error(ws, error): print("### error:", error) # 收到websocket关闭的处理 def on_close(ws): print("### closed ###") # 收到websocket连接建立的处理 def on_open(ws): def run(*args): d = {"common": wsParam.CommonArgs, "business": wsParam.BusinessArgs, "data": wsParam.Data, } d = json.dumps(d) print("------>开始发送文本数据") ws.send(d) if os.path.exists('./demo.pcm'): os.remove('./demo.pcm') thread.start_new_thread(run, ()) if __name__ == "__main__": # 测试时候在此处正确填写相关信息即可运行 wsParam = Ws_Param(APPID='7c101e4e', APISecret='ZWZhMzBmYjUwYzY3OTNiYWI4NmQwNmI5', APIKey='b47e829623df42f4ac625ba5b8fd8618', Text="随着科技的飞速发展，教育领域也迎来了前所未有的变革。从传统的课堂教学到线上学习平台，再到虚拟现实和人工智能在教育中的应用，我们正处在一个教育模式不断演变的时代。本文将探讨未来教育的一些趋势，以及技术如何与人文相结合，共同塑造一个更加全面和高效的学习环境。") websocket.enableTrace(False) wsUrl = wsParam.create_url() ws = websocket.WebSocketApp(wsUrl, on_message=on_message, on_error=on_error, on_close=on_close) ws.on_open = on_open ws.run_forever(sslopt={"cert_reqs": ssl.CERT_NONE})