引入test_cam文件

test_cam.py

@@ -0,0 +1,53 @@
+import requests
+import urllib3
+import yaml
+from hikvision_openapi_signer import HikvisionOpenAPISigner
+
+urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
+
+# 初始化签名器
+signer = HikvisionOpenAPISigner(
+    "https://29.2.19.19:443",
+    "28031410",
+    "Y79rv6LqBahxoEH6adLv",
+    headers={'tagId': '0'}  # 根据平台要求设置
+)
+
+def get_camera_preview_url(camera_index_code):
+    # 签名一个请求
+    request = signer.sign(
+        'POST',
+        '/api/video/v1/cameras/previewURLs',
+        jsons={'cameraIndexCode': camera_index_code, 'protocol': 'rtsp', 'expand': 'streamform=rtp'},
+        accept='application/json'
+    )
+    method, url, headers, body = request
+    # 发送请求
+    response = requests.request(method, url, headers=headers, data=body, verify=False)
+    return response.json()
+
+# 读取 config.yaml
+with open('config.yaml', 'r', encoding='utf-8') as f:
+    config = yaml.safe_load(f)
+
+# 遍历所有摄像头
+for camera in config['cameras']:
+    if 'index' in camera:
+        index = camera['index']
+        print(f"正在获取摄像头 {camera['name']} (index: {index}) 的预览地址...")
+        result = get_camera_preview_url(index)
+        print(f"API返回结果: {result}")
+
+        # 提取 url 并更新到 config
+        if 'data' in result and 'url' in result['data']:
+            rtsp_url = result['data']['url']
+            camera['rtsp_url'] = rtsp_url
+            print(f"更新 rtsp_url: {rtsp_url}")
+        else:
+            print(f"未找到 url 在返回结果中")
+
+# 保存更新后的 config.yaml
+with open('config.yaml', 'w', encoding='utf-8') as f:
+    yaml.dump(config, f, default_flow_style=False, allow_unicode=True)
+
+print("config.yaml 已更新")