X-Git-Url: http://average.org/gitweb/?a=blobdiff_plain;f=loctrkd%2Fzx303proto.py;h=4d5730304fbead5492db2c1b08f5bf86381a0618;hb=b0bfb1a7b499ca18bf707858b0650e04acec9881;hp=a2132f6c3c658aee30995d5326cf4d8701f93ba3;hpb=e4f6256a6cd5a80e9afcaaa4033fa40d4d0b7ee9;p=loctrkd.git

diff --git a/loctrkd/zx303proto.py b/loctrkd/zx303proto.py
index a2132f6..4d57303 100755
--- a/loctrkd/zx303proto.py
+++ b/loctrkd/zx303proto.py
@@ -863,14 +863,18 @@ if True:  # just to indent the code, sorry!
 
 def class_by_prefix(
     prefix: str,
-) -> Union[Type[GPS303Pkt], List[Tuple[str, int]]]:
+) -> Union[Type[GPS303Pkt], List[str]]:
+    if prefix.startswith(PROTO_PREFIX):
+        pname = prefix[len(PROTO_PREFIX) :]
+    else:
+        raise KeyError(pname)
     lst = [
         (name, proto)
         for name, proto in PROTOS.items()
         if name.upper().startswith(prefix.upper())
     ]
     if len(lst) != 1:
-        return lst
+        return [name for name, _ in lst]
     _, proto = lst[0]
     return CLASSES[proto]