testweight.py

import serial
import time
import pyperclip
import pyautogui

print "0Haus Pioneer PX224/E data reciever program"
print "Press print on the scales and this software will paste it"
print "wherever your cursor has focus"

s = serial.Serial()
foundPort = False
s.port ='COM3'
try:
    s.open()
    foundPort = True
except:
    print "!! Could not open serial port on COM3"
    foundPort = False


if foundPort == False:
    s.port ='COM4'
    try:
        s.open()
        foundPort = True
    except:
        print "!! Could not open serial port on COM4" 
        foundPort = False  

if foundPort == False:
    s.port ='COM1'
    try:
        s.open()
        foundPort = True
    except:
        print "!! Could not open serial port on COM1"
        foundPort = False  

if foundPort == False:
    s.port ='COM2'
    try:
        s.open()
        foundPort = True
    except:
        print "!! Could not open serial port on COM2"
        foundPort = False  
        
    
if foundPort == False:
    print "!! WARNING"
    print "!! Could not open serial port on any COM, try plugging the scales in"
    print "!! Aborting"
    time.sleep(5)
    quit()
    
if s.is_open == False:
    time.sleep(10)
    print "Could not detect COM, try plugging the scales in"
    quit()

print "Waiting"
    
while True:
    size = s.inWaiting()
    buffer = s.read(size)
    if size>0:
        start = buffer.find('Net:')
        end = buffer.find('g N')
        if end>start+5:
            number = buffer[start+5:end]
            print "Read Net Value " + number.strip()
            pyperclip.copy(number.strip())
            pyautogui.hotkey('ctrl','v')
        else:
            print "I read some data but I don't know what it is. Contact Chris"
    time.sleep(1)
    start=0
    end=0