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Be more robust in case we receive non-Unicode characters on the serial port

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This commit is contained in:
Fabio Manganiello 2020-02-26 11:19:59 +01:00
parent 52a13f0511
commit a9cb834499
1 changed files with 7 additions and 2 deletions
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9
platypush/plugins/serial/__init__.py
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@ -36,8 +36,7 @@ class SerialPlugin(SensorPlugin):
self.serial_lock = threading.Lock() self.serial_lock = threading.Lock()
self.last_measurement = None self.last_measurement = None
@staticmethod def _read_json(self, serial_port):
def _read_json(serial_port):
n_brackets = 0 n_brackets = 0
is_escaped_ch = False is_escaped_ch = False
parse_start = False parse_start = False
@ -48,6 +47,12 @@ class SerialPlugin(SensorPlugin):
if not ch: if not ch:
break break
try:
ch = ch.decode()
except Exception as e:
self.logger.warning('Could not decode character: {}'.format(str(e)))
output = bytes()
if ch.decode() == '{' and not is_escaped_ch: if ch.decode() == '{' and not is_escaped_ch:
parse_start = True parse_start = True
n_brackets += 1 n_brackets += 1