Cambia temperatura bed y hotend en GCODE

""" Modifica temperatura GCODE para una impresora 3d"""
import re
import sys

def modify_temperatures(input_file, output_file, new_bed_temp, new_hotend_temp):
    bed_pattern = re.compile(r'(M140 S|M190 S)(\d+)')
    hotend_pattern = re.compile(r'(M104 S|M109 S)(\d+)')

    with open(input_file, 'r') as infile, open(output_file, 'w') as outfile:
        for line in infile:
            # Ignorar líneas de comentario
            if line.strip().startswith(';'):
                outfile.write(line)
                continue

            # Modificar temperatura del bed
            line = bed_pattern.sub(f'\\g<1>{new_bed_temp}', line)

            # Modificar temperatura del hot end
            line = hotend_pattern.sub(f'\\g<1>{new_hotend_temp}', line)

            outfile.write(line)

    print(f"Archivo modificado guardado como {output_file}")


if __name__ == '__main__':

    if len(sys.argv) < 3:
        print("Error params , use. ", sys.argv[0] , "name_file new_bed_temp new_hotend_temp" )
        sys.exit(1)
    else:
        for arg in sys.argv[1:]:
            print(arg)

    input_file = sys.argv[1] # 'input.gcode'
    output_file = sys.argv[1]

    output_file =output_file.replace (".gcode","")
    output_file = output_file+"2"+".gcode"

    new_bed_temp =sys.argv[2]  # Nueva temperatura para el bed
    new_hotend_temp = sys.argv[3]  # Nueva temperatura para el hot end

    print ("New t. bed : ",new_bed_temp, " New t. hotend:" ,new_hotend_temp , "New File Name : ",output_file)

    modify_temperatures(input_file, output_file, new_bed_temp, new_hotend_temp)