Create yt_utils.py

yt_utils.py

@@ -0,0 +1,48 @@
+import requests
+
+def get_latest_video_from_device_playlist(channel_id, device_name=None, playlist_id=None):
+
+    if device_name is None and playlist_id is None:
+      raise Exception("Must specify either device_name or playlist_id")
+
+    if device_name is not None and playlist_id is not None:
+      print("Both device_name and playlist_id entered.. device_name will be ignored.")
+
+    if playlist_id is None:
+      # Step 1: get all playlists from the channel (note that 'playlists' in url)
+      url = 'https://www.googleapis.com/youtube/v3/playlists'
+      params = {
+          'part': 'snippet',
+          'channelId': CHANNEL_ID,
+          'maxResults': 50,
+          'key': API_KEY
+      }
+      res = requests.get(url, params=params)
+      res.raise_for_status()
+      playlists = res.json().get("items", [])
+
+      for p in playlists:
+          if device_name.lower() in p["snippet"]["title"].lower():
+              playlist_id = p["id"]
+              break
+
+      if not playlist_id:
+          raise Exception(f"No playlist found matching device name '{device_name}'")
+
+    # Step 2: get the most recent video from the playlist
+    # NOTE: (This grabs the video most recently *added* to the playlist)
+    url = 'https://www.googleapis.com/youtube/v3/playlistItems'
+    params = {
+        'part': 'snippet',
+        'playlistId': playlist_id,
+        'maxResults': 1,
+        'key': API_KEY
+    }
+    res = requests.get(url, params=params)
+    res.raise_for_status()
+    items = res.json().get("items", [])
+
+    if not items:
+        return None
+
+    return items[0]["snippet"]["resourceId"]["videoId"]