仓库初始化

utils/xf_asr_utils.py

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+import datetime
+import hashlib
+import base64
+import hmac
+from urllib.parse import urlencode
+from wsgiref.handlers import format_date_time
+from datetime import datetime
+from time import mktime
+from config import get_config
+
+Config = get_config()
+
+def generate_xf_asr_url():
+    #设置讯飞流式听写API相关参数
+    APIKey = Config.XF_ASR.API_KEY
+    APISecret = Config.XF_ASR.API_SECRET
+
+    #鉴权并创建websocket_url
+    url = 'wss://ws-api.xfyun.cn/v2/iat'
+    now = datetime.now()
+    date = format_date_time(mktime(now.timetuple()))
+    signature_origin = "host: " + "ws-api.xfyun.cn" + "\n"
+    signature_origin += "date: " + date + "\n"
+    signature_origin += "GET " + "/v2/iat " + "HTTP/1.1"
+    signature_sha = hmac.new(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\"" % (
+        APIKey, "hmac-sha256", "host date request-line", signature_sha)
+    authorization = base64.b64encode(authorization_origin.encode('utf-8')).decode(encoding='utf-8')
+    v = {
+        "authorization": authorization,
+        "date": date,
+        "host": "ws-api.xfyun.cn"
+    }
+    url = url + '?' + urlencode(v)
+    return url