add a specific argument for ledger live log

src/dale/logger.py

@@ -15,9 +15,10 @@ def init_parser() -> ArgumentParser:
     parser = ArgumentParser(description="Explicit logging of a list of APDUs",
                             formatter_class=RawTextHelpFormatter)
     parser.add_argument("apdu_file", metavar="APDU_FILE",
-                        help=("The file containing the list of APDUs or the "
-                              "Ledger Live log ending in .json"),
+                        help=("The file containing the list of APDUs"),
                         type=Path)
+    parser.add_argument("--json", action="store_true", help="Indicates that the input file is a Ledger Live log")
+
     return parser
 
 
@@ -65,7 +66,7 @@ def main():
     logging.info("Reading from %s", apdu_file)
 
     # input file is Ledger Live log
-    if apdu_file.suffix == '.json':
+    if args.json:
         logging.info("Pre-formatting Ledger Live log file")
         apdu_file = pre_format_ledger_live_log(apdu_file)