if options.serial:
# Read from serial port
- import serial
+ try:
+ import serial
+ except ImportError:
+ print """
+Unable to find pyserial package ( http://pyserial.sourceforge.net/ ).
+On Linux machines try: yum install pyserial
+Or: apt-get install python-serial
+"""
+ sys.exit(1)
ser = serial.Serial(serialport, baud, timeout=0)
else:
# Read from a file