🧆 update readme:

lambda_function/sqs-sns_example/create_clip_id.py

@@ -0,0 +1,66 @@
+#!/usr/bin/env python2
+#
+# Create a clipId to be used in event.json
+
+import requests
+import subprocess
+import json
+import time
+
+
+def put_request(url, data):
+    """
+        Send the PUT request to create the id, returning
+        the clipId string.
+    """
+
+    r = requests.post(url, json=data)
+    print('--------------------------------------------------------')
+    print('Request to {}'.format(url))
+    print('Data sent: {}'.format(data))
+    print('Status code: {}'.format(r.status_code))
+
+    if r.status_code == 200:
+        print(r.json())
+        return r.json()['clipId']
+
+    else:
+        return False
+
+
+def create_timestamps():
+    """
+        Create a timestamp to send in the PUT request.
+    """
+    now = int(time.time()*1000)
+    sent_ts = str(now)
+    begin_ts = str(now - 600000)
+    end_ts = str(now - 600000 + 180000)
+
+    return sent_ts, begin_ts, end_ts
+
+
+def create_data(cam_id, url, begin_ts, end_ts):
+    """
+        Create the data that need to be sent to the
+        PUT request.
+    """
+    data = {
+        "cameraId": cam_id,
+        "startTimestampInMs": begin_ts,
+        "endTimestampInMs": end_ts
+    }
+
+    return data
+
+
+def main(url, cam_id):
+
+    sent_ts, begin_ts, end_ts = create_timestamps()
+    data = create_data(cam_id, url, begin_ts, end_ts)
+    clip_id = put_request(url, data)
+
+    print('clipId to be added to event.json: {}'.format(clip_id))
+    print('send ts, start, end: {0}     {1}     {2}'.format(
+        sent_ts, begin_ts, end_ts))
+