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Sync client, allow unknown recv msg size. #2353

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Merged
janiversen merged 1 commit into from
Oct 4, 2024
Merged

Sync client, allow unknown recv msg size. #2353

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2 changes: 1 addition & 1 deletion pymodbus/transaction.py
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Original file line number Diff line number Diff line change
Expand Up @@ -378,7 +378,7 @@ def _recv(self, expected_response_length, full) -> bytes: # noqa: C901
min_size = expected_response_length

read_min = self.client.framer.recvPacket(min_size)
if len(read_min) != min_size:
if min_size and len(read_min) != min_size:
msg_start = "Incomplete message" if read_min else "No response"
raise InvalidMessageReceivedException(
f"{msg_start} received, expected at least {min_size} bytes "
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