Robustness for empty databases

package_tracking/database.py

@@ -18,8 +18,11 @@ FILEPATH = 'output/entries_db.txt'
 
 
 def get_tracking_numbers() -> list[TrackingNumberEntry]:
+    try:
         with open(FILEPATH) as f:
             lines = f.read().split('\n')
+    except FileNotFoundError:
+        lines = ''
 
     lines = [line.split(' ') for line in lines if len(line) > 0]
     return [TrackingNumberEntry(line[0], ' '.join(line[1:])) for line in lines]

package_tracking/http.py

@@ -106,6 +106,9 @@ footer {
     </div>
     </a>
 % end
+% if len(tracking_results) == 0:
+    <div style="text-align: center"><b>No Parcels yet...<br>Add some below!</b></div>
+% end
 </div>
 
 </main>