添加 iat.py

iat.py

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+# -*- coding:utf-8 -*-
+#   使用讯飞 语音听写（流式版） 将文件夹内音频文件转换为文本，存入json中
+# 
+#   author: Randall
+# 
+#   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
+# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
+import websocket
+import datetime
+import hashlib
+import base64
+import hmac
+import json
+from urllib.parse import urlencode
+import ssl
+from wsgiref.handlers import format_date_time
+from datetime import datetime
+from time import mktime
+import _thread as thread
+import os
+import time
+
+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
+
+wsParam = None
+results = ''
+running = False
+
+
+class Ws_Param(object):
+    # 初始化
+    def __init__(self, APPID, APIKey, APISecret, AudioFile):
+        self.APPID = APPID
+        self.APIKey = APIKey
+        self.APISecret = APISecret
+        self.AudioFile = AudioFile
+
+        # 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 = {"domain": "iat", "language": "zh_cn", "accent": "mandarin", "vinfo":1,"vad_eos":10000}
+
+    # 生成url
+    def create_url(self):
+        url = 'wss://ws-api.xfyun.cn/v2/iat'
+        # 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/iat " + "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 is_audio_file(file_path):
+    audio_extensions = ['.wav', '.mp3', '.m4a', '.flac', '.pcm', '.aac', '.opus', '.ogg', '.amr', '.speex', '.lyb', '.ac3', '.ape', '.m4r', '.mp4', '.acc', '.wma']
+    return any(file_path.lower().endswith(ext) for ext in audio_extensions)
+
+
+# 收到websocket消息的处理
+def on_message(ws, message):
+    try:
+        code = json.loads(message)["code"]
+        sid = json.loads(message)["sid"]
+        if code != 0:
+            errMsg = json.loads(message)["message"]
+            print("sid:%s call error:%s code is:%s" % (sid, errMsg, code))
+
+        else:
+            data = json.loads(message)["data"]["result"]["ws"]
+            # print(json.loads(message))
+            result = ""
+            for i in data:
+                for w in i["cw"]:
+                    result += w["w"]
+            print("sid:%s call success!,data is:%s" % (sid, json.dumps(data, ensure_ascii=False)))
+            global results
+            results += result
+    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("### websocket error:", error)
+    global running
+    global results
+    running = False
+    results += '*#本次转写失败#*，error：' + str(error)
+
+
+
+# 收到websocket关闭的处理
+def on_close(ws,a,b):
+    print("### websocket closed ###")
+    global running
+    running = False
+
+
+# 收到websocket连接建立的处理
+def on_open(ws):
+    def run(*args):
+        frameSize = 8000  # 每一帧的音频大小
+        intervel = 0.04  # 发送音频间隔(单位:s)
+        status = STATUS_FIRST_FRAME  # 音频的状态信息，标识音频是第一帧，还是中间帧、最后一帧
+
+        with open(wsParam.AudioFile, "rb") as fp:
+            while True:
+                buf = fp.read(frameSize)
+                # 文件结束
+                if not buf:
+                    status = STATUS_LAST_FRAME
+                # 第一帧处理
+                # 发送第一帧音频，带business 参数
+                # appid 必须带上，只需第一帧发送
+                if status == STATUS_FIRST_FRAME:
+
+                    d = {"common": wsParam.CommonArgs,
+                         "business": wsParam.BusinessArgs,
+                         "data": {"status": 0, "format": "audio/L16;rate=16000",
+                                  "audio": str(base64.b64encode(buf), 'utf-8'),
+                                  "encoding": "raw"}}
+                    d = json.dumps(d)
+                    ws.send(d)
+                    status = STATUS_CONTINUE_FRAME
+                # 中间帧处理
+                elif status == STATUS_CONTINUE_FRAME:
+                    d = {"data": {"status": 1, "format": "audio/L16;rate=16000",
+                                  "audio": str(base64.b64encode(buf), 'utf-8'),
+                                  "encoding": "raw"}}
+                    ws.send(json.dumps(d))
+                # 最后一帧处理
+                elif status == STATUS_LAST_FRAME:
+                    d = {"data": {"status": 2, "format": "audio/L16;rate=16000",
+                                  "audio": str(base64.b64encode(buf), 'utf-8'),
+                                  "encoding": "raw"}}
+                    ws.send(json.dumps(d))
+                    time.sleep(1)
+                    break
+                # 模拟音频采样间隔
+                time.sleep(intervel)
+        ws.close()
+
+    thread.start_new_thread(run, ())
+
+def add_to_json_file(file_name, key, value):
+    if not os.path.exists(file_name):
+        with open(file_name, 'w') as f:
+            json.dump({}, f)
+
+    with open(file_name, 'r') as f:
+        data = json.load(f)
+
+    data[key] = value
+
+    with open(file_name, 'w') as f:
+        json.dump(data, f, indent=4)
+
+def judge_weather_in_json(file_name, key):
+    if not os.path.exists(file_name):
+        return False
+
+    with open(file_name, 'r') as f:
+        data = json.load(f)
+
+    return key in data
+
+
+def main():
+    folder_path = input("请输入文件夹路径: ")
+    keyList = [
+        {
+            'appid': 'xxxxxxxx',
+            'api_secret':'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx',
+            'api_key': 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'
+        },
+        {
+            'appid': 'xxxxxxxx',
+            'api_secret':'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx',
+            'api_key': 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'
+        },
+    ]
+
+    if not os.path.isdir(folder_path):
+        print("无效的文件夹路径")
+        return
+
+    file_name_results = {}
+    full_path_results = {}
+
+    times = 0
+
+    for root, _, files in os.walk(folder_path):
+        for file in files:
+            file_path = os.path.join(root, file)
+            if is_audio_file(file_path):
+                if judge_weather_in_json('full_path_results.json', file_path):
+                    continue
+                global wsParam
+                global running
+                running = True
+                print("### websocket started ###")
+                appid = keyList[times % len(keyList)]['appid']
+                api_secret = keyList[times % len(keyList)]['api_secret']
+                api_key = keyList[times % len(keyList)]['api_key']
+                times += 1
+                wsParam = Ws_Param(APPID=appid, APISecret=api_secret,
+                                   APIKey=api_key,
+                                   AudioFile=file_path)
+                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})
+
+                while running:
+                    time.sleep(1)
+
+                global results
+                file_name_results[file] = results
+                full_path_results[file_path] = results
+                add_to_json_file('file_name_results.json', file, results)
+                add_to_json_file('full_path_results.json', file_path, results)
+                results = ''
+
+
+    print("转写结果:")
+    for file, transcription in file_name_results.items():
+        print(f"{file}: {transcription}")
+
+    print("转写结果已保存到 file_name_results.json 和 full_path_results.json")
+
+
+if __name__ == "__main__":
+    main()