Add byteorder for backward compatibility.

pymeasure · Oct 26, 2023 · cc6eb76 · cc6eb76
1 parent 3f1be59
commit cc6eb76
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/pyleco/core/serialization.py b/pyleco/core/serialization.py
@@ -89,7 +89,7 @@ def create_header_frame(conversation_id: Optional[bytes] = None,
     elif len(message_id) != 3:
         raise ValueError("Length of 'message_id' is not 3 bytes.")
     if isinstance(message_type, int):
-        message_type = message_type.to_bytes(length=1)
+        message_type = message_type.to_bytes(length=1, byteorder="big")
     elif len(message_type) != 1:
         raise ValueError("Length of 'message_type' is not 1 bytes.")
     return b"".join((conversation_id, message_id, message_type))
@@ -116,7 +116,7 @@ def interpret_header(header: bytes) -> Header:
     """
     conversation_id = header[:16]
     message_id = header[16:19]
-    message_type = int.from_bytes(header[19:20])
+    message_type = int.from_bytes(header[19:20], byteorder="big")
     return Header(conversation_id, message_id, message_type)
 
 

diff --git a/tests/utils/test_listener.py b/tests/utils/test_listener.py
@@ -34,7 +34,7 @@
 
 
 cid = b"conversation_id;"  # conversation_id
-header = b"".join((cid, b"mid", MessageTypes.JSON.to_bytes()))
+header = b"".join((cid, b"mid", MessageTypes.JSON.to_bytes(length=1, byteorder="big")))
 # the result
 msg = Message(b"r", b"s", conversation_id=cid, message_id=b"mid")
 msg_list = ("r", "s", cid, b"", None)