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Date: Fri, 10 May 2013 01:54:48 +1000
Subject: Re: Urgent:Serial Port Read/Write
From: Chris Angelico <rosuav@gmail.com>
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Xref: csiph.com comp.lang.python:45043

On Fri, May 10, 2013 at 1:35 AM, chandan kumar <chandan_psr@yahoo.co.in> wrote:
> Please find the attached script and let me know whats wrong in my script
> and also how can i read data from serial port for the  same script.

Don't do this:

    except serial.serialutil.SerialException:
        print "Exception"
        ser.close()

Just let it propagate up and show you a traceback. There is absolutely
no value in suppressing an exception only to print an unhelpful
message.

ChrisA