adding current date as default for cli args

main.py

@@ -1,6 +1,6 @@
 #!/usr/bin/python3
 
-from datetime import datetime
+from util.str_to_datetime import datetime
 
 from model.DataStore import DataStore
 from model.TimeSlot import TimeSlot
@@ -25,8 +25,7 @@ if __name__ == "__main__":
             print("An event is already running.")
         else:
             if args.start is not None:
-                s = datetime.strptime(args.start, '%d.%m.%y %H:%M')
-                ds.add_time_slot(TimeSlot(args.name, start=s))
+                ds.add_time_slot(TimeSlot(args.name, start=datetime(args.start)))
             else:
                 ds.add_time_slot(TimeSlot(args.name))
             print(f"Started event {args.name}.")
@@ -40,8 +39,7 @@ if __name__ == "__main__":
             raise Exception("Found multiple running event.")
         else:
             if args.end is not None:
-                s = datetime.strptime(args.end, '%d.%m.%y %H:%M')
-                running[0].end = s
+                running[0].end = datetime(args.end)
             else:
                 running[0].end_now()
             ds.write_update()
@@ -60,9 +58,9 @@ if __name__ == "__main__":
         else:
             ts = TimeSlot(args.name)
             if args.start is not None:
-                ts.start = datetime.strptime(args.start, '%d.%m.%y %H:%M')
+                ts.start = datetime(args.start)
             if args.end is not None:
-                ts.end = datetime.strptime(args.end, '%d.%m.%y %H:%M')
+                ts.end = datetime(args.end)
             ds.add_time_slot(ts)
             ds.write_update()
             print("The event was added.")

util/parser.py

@@ -28,4 +28,3 @@ def create_parser():
     parser_end.add_argument("-e", "--end", help="End datetime")
 
     return parser
-

util/str_to_datetime.py

@@ -0,0 +1,19 @@
+from datetime import datetime as dt
+
+
+def datetime(s: str) -> dt:
+    s = s.strip()
+
+    try:
+        return dt.strptime(s, '%d.%m.%y %H:%M')
+    except ValueError:
+        pass
+
+    try:
+        tim = dt.strptime(s, '%H:%M').time()
+        dat = dt.now().date()
+        return dt.combine(dat, tim)
+    except ValueError:
+        pass
+
+    raise ValueError("The given string can not be interpreted as a datetime.")

util/views.py

@@ -1,7 +1,7 @@
 from model.TimeSlot import TimeSlot
 
 
-def convert_to_table(time_slot_list: list[TimeSlot]):
+def convert_to_table(time_slot_list: list[TimeSlot]) -> str:
     widths = [30, 26, 26]
 
     r_str = f"+{'-'*(widths[0]+2)}+{'-'*(widths[1]+2)}+{'-'*(widths[2]+2)}+\n"