add accumulation of captured time

util/parser.py

@@ -27,4 +27,8 @@ def create_parser():
     parser_end = subparsers.add_parser("end", help="Ending the current event.")
     parser_end.add_argument("-e", "--end", help="End datetime")
 
+    # Create the parser for the "acc" command
+    parser_end = subparsers.add_parser("acc", help="Accumulate the duration of events.")
+    parser_end.add_argument("query", help="The regex matching for the name of the event.")
+
     return parser

util/str_to_datetime.py

@@ -1,7 +1,7 @@
 from datetime import datetime as dt
 
 
-def datetime(s: str) -> dt:
+def str_to_datetime(s: str) -> dt:
     s = s.strip()
 
     try: