Create authenticate.py

authenticate.py

@@ -0,0 +1,16 @@
+from google.oauth2 import service_account
+from google.auth.transport.requests import Request
+import json
+
+def get_access_token():
+    # Load service account credentials from JSON file or environment variable
+    credentials = service_account.Credentials.from_service_account_info(
+        json.loads('ACCOUNT_CREDS'),
+        scopes=['https://www.googleapis.com/auth/cloud-platform']
+    )
+    
+    # Refresh token if needed
+    if credentials.expired:
+        credentials.refresh(Request())
+    
+    return credentials.token