🛠️ Initial YouTube upload and description generation: OAuth, montage flow, thumbnail setup, env config. Work in progress by gramps@llamachile.shop

authorize_youtube.py

@@ -1,25 +1,61 @@
+"""
+authorize_youtube.py
+
+Handles OAuth2 authorization for the YouTube Data API.
+
+This module loads the client_secrets.json file and generates an authorized
+YouTube API service object for use by other modules. The token is cached
+in token.pickle to avoid repeated authorization.
+
+Author: gramps@llamachile.shop
+"""
+
 import os
-import sys
+import pickle
+from pathlib import Path
 
-# Automatically locate this file's directory (e.g., \\chong\LCS\Videos\eklipse)
-project_root = os.path.dirname(os.path.abspath(__file__))
-modules_dir = os.path.join(project_root, "modules")
+from google.auth.transport.requests import Request
+from google_auth_oauthlib.flow import InstalledAppFlow
+from googleapiclient.discovery import build
 
-# Add modules directory to the Python path
-sys.path.insert(0, modules_dir)
+# Scopes define what access is requested from the YouTube API
+SCOPES = ["https://www.googleapis.com/auth/youtube.upload"]
 
-# Change working directory so relative paths (like client_secrets.json) resolve
-os.chdir(modules_dir)
-
-# Import from yt_poster in modules
-from yt_poster import authenticate_youtube
-
-# Run the OAuth flow
-print("🔐 Starting YouTube OAuth authorization...")
+# Default token and client secret filenames
+TOKEN_PATH = "token.pickle"
+CLIENT_SECRET_FILE = "client_secrets.json"
 
 
-try:
-    service = authenticate_youtube()
-    print("✅ YouTube authorization complete.")
-except Exception as e:
-    print(f"❌ Authorization failed: {e}")
+def get_authenticated_service():
+    """
+    Returns an authorized YouTube API client.
+
+    If the token does not exist or is expired, initiates the OAuth flow.
+    Requires client_secrets.json in project root.
+
+    Returns:
+        googleapiclient.discovery.Resource: Authenticated YouTube service
+    """
+    creds = None
+
+    # Check if token.pickle exists
+    if Path(TOKEN_PATH).exists():
+        with open(TOKEN_PATH, "rb") as token:
+            creds = pickle.load(token)
+
+    # If no valid creds, go through OAuth flow
+    if not creds or not creds.valid:
+        if creds and creds.expired and creds.refresh_token:
+            creds.refresh(Request())
+        else:
+            print("🔐 Starting YouTube OAuth authorization...")
+            if not Path(CLIENT_SECRET_FILE).exists():
+                raise FileNotFoundError(f"Missing required file: {CLIENT_SECRET_FILE}")
+            flow = InstalledAppFlow.from_client_secrets_file(CLIENT_SECRET_FILE, SCOPES)
+            creds = flow.run_local_server(port=0)
+
+        # Save the credentials for future use
+        with open(TOKEN_PATH, "wb") as token:
+            pickle.dump(creds, token)
+
+    return build("youtube", "v3", credentials=creds)