G Code Generator

gcodegen.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
from __future__ import division
def GetPoint(function,xaxis):
    function=function.replace("^","**")
    function=function.replace("x",str('('+str(xaxis)+')'))
    return eval(function)

def main():
    original_function=raw_input("Input something like y=x^2\n")
    useful_function=original_function[2:]
    range_start=float(raw_input("Input where x starts like 2\n"))
    range_end=float(raw_input("Input where x ends like 5\n"))
    deci=float(raw_input("input what precision you need like 0.1\n"))
    ifcm=bool(raw_input("would you like it in cm True or False\n"))
    #speed=float(raw_input("input what speed you need like 5.0\n"))
    start_x=range_start
    start_y=GetPoint(useful_function,start_x)
    xaxis=range_start
    print "G90\nG21"
    print "G0 X%f Y%f" % (start_x,start_y)
    print
    print 'M03'
    #print 'G1F%f' % speed
    while xaxis<=range_end+deci:
        if ifcm:
            print 'G01 X%f Y%f' % (xaxis*10,GetPoint(useful_function,xaxis)*10)
        else:
            print 'G01 X%f Y%f' % (xaxis,GetPoint(useful_function,xaxis))
        xaxis+=deci
 
if __name__=="__main__":
    main()