re-adding ascii decoding at telegram level

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This commit is contained in:
Gunnar Klauberg 2021-11-14 22:29:37 +00:00
parent 7a89d6e97b
commit 26ac27c347
1 changed files with 4 additions and 1 deletions
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5
dsmr_parser/clients/protocol.py
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@ -134,7 +134,10 @@ class DSMRProtocol(asyncio.Protocol):
self.log.debug('got telegram: %s', telegram)
try:
telegram = telegram.decode("ascii")
# we accepted 8-bit at transport level (e.g. tcp)
telegram_data = telegram.encode("latin1")
# we need to ensure 7-bit at telegram level (IEC 646 required in section 5.4 of IEC 62056-21)
telegram = telegram_data.decode("ascii")
parsed_telegram = self.telegram_parser.parse(telegram)
except InvalidChecksumError as e:
self.log.warning(str(e))