add messages for subscription loop

app.py

@@ -153,7 +153,7 @@ class WebPushService():
             return True
         
         except WebPushException as ex:
-            print(f"Failed to send push notification: {ex}")
+            print(f"Failed to send push notification for {subscription_info['endpoint']} -- {ex}")
             return False
 
 
@@ -176,6 +176,9 @@ class WebPushService():
     
         while True:
             
+            now = datetime.datetime.now().isoformat()
+            print(f"{now} - Starting to send subscriptions...")
+
             # Creating a context for the application to enable database operations
             with self.app.app_context():
                 
@@ -186,7 +189,6 @@ class WebPushService():
                 vapid_key = VAPIDKey.query.first()
 
                 # Constructing the push notification message
-                now = datetime.datetime.now().isoformat()
                 message = {"title": "Daily Update", "message": f"Update for {now}"}
 
                 # Sending a push notification to each subscribed client
@@ -199,6 +201,7 @@ class WebPushService():
                         }
                     }
                     WebPushService._send_push_notification(subscription_info, message, vapid_key)
+                print(f"{now} - Finished sending {len(all_subscriptions)} subscriptions.")
 
             # Sleeping for 24 hours before sending the next set of notifications
             time.sleep(24 * 60 * 60)

webpush.py

@@ -1,6 +1,9 @@
-# Test subscription creation
+# Test subscription message
 #
 # Setup with `pip install -r requirements.txt` and then `source venv/bin/activate`
+#
+# Usage: python webpush.py "ENDPOINT|P256DH|AUTH" PRIVATE_KEY
+# ... where, yes, that second arg includes the "|" character, matching sqlite output.
 
 from pywebpush import webpush, WebPushException