improve invalid mode error

2021-05-12 17:01:55 -04:00 · 2021-05-12 17:01:55 -04:00 · bd0f41afce
parent fd48e10ff4
commit bd0f41afce
1 changed files with 2 additions and 1 deletions
--- a/megacom/init.py
+++ b/megacom/init.py
@ -104,7 +104,8 @@ async def megacom(tty: str, baud: int, mode: str) -> None:

    m = MODE_RE.match(mode)
    if m is None:
-        raise Exception(f"invalid mode: {mode}")
+        sys.stderr.write(f"invalid mode: {mode}\n")
+        sys.exit(1)
    bytesize = MODE_LOOKUP["bytesize"][m.group(1)]
    parity = MODE_LOOKUP["parity"][m.group(2)]
    stopbits = MODE_LOOKUP["stopbits"][m.group(3)]