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palette2: Fix UART encoding 

Raised from issue #5645, UTF-8 encoded symbols or other unexpected symbols on the UART raise an exception which causes klipper to stop. This change support UTF-8 encoded characters (from file names) as well as ignoring unexpected bytes.

Signed-off-by: Clifford Roche <clifford.roche@gmail.com>
This commit is contained in:
Clifford Roche 2022-08-06 13:40:41 -04:00 committed by KevinOConnor
parent b1dcd35b7a
commit ce27d35924
1 changed files with 8 additions and 5 deletions
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5
klippy/extras/palette2.py
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@ -544,7 +544,9 @@ class Palette2:
self.cmd_Disconnect()
return self.reactor.NEVER
if len(raw_bytes):
text_buffer = self.read_buffer + str(raw_bytes.decode())
new_buffer = str(raw_bytes.decode(encoding='UTF-8',
errors='ignore'))
text_buffer = self.read_buffer + new_buffer
while True:
i = text_buffer.find("\n")
if i >= 0:
@ -646,5 +648,6 @@ class Palette2:
status["ping"] = self.omega_pings[-1]
return status
def load_config(config):
return Palette2(config)