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Add error handling to opening of serial device

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phl0 2016-11-06 22:51:48 +01:00
parent 4f94ed375c
commit b85d702224
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GPG key ID: 48EA1E640798CA9A
1 changed files with 4 additions and 3 deletions
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7
Nextion/nextion.py
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@ -105,9 +105,10 @@ if __name__ == "__main__":
\nnote: model name is optional'
exit(1)
ser = serial.Serial(sys.argv[2], 9600, timeout=5)
if not ser:
print 'could not open device'
try:
ser = serial.Serial(sys.argv[2], 9600, timeout=5)
except serial.serialutil.SerialException:
print 'could not open serial device ' + sys.argv[2]
exit(1)
if not ser.is_open:
ser.open()