Get the max/avg XYZ dimensions of a bunch of GCODE files

gcode_dimensions.py

#!/usr/bin/env python3

# Inspired by @leadgtr7 (https://github.com/buildbotics/bbctrl-firmware/issues/235#issuecomment-580387955)

import glob


def average(lst):
    return sum(lst) / len(lst)


maxes = {'X': [], 'Y': [], 'Z': []}

for f in glob.glob('./*.gcode'):

    with open(f, 'r') as gcode:
        localMaxes = {'X': 0, 'Y': 0, 'Z': 0}
        for line in gcode:
            if line[0] == "G":
                lineText = list(
                    filter(lambda x: x != '', line.replace("\n", "").strip().split(" ")))
                if len(lineText) > 1:
                    for i in lineText:
                        if i[0] == ';':
                            break
                        for axis in maxes.keys():
                            if i[0] == axis:
                                if float(i[1:]) > localMaxes[axis]:
                                    localMaxes[axis] = float(i[1:])
        print("{}: {}".format(f, localMaxes))
        for axis in maxes.keys():
            maxes[axis].append(localMaxes[axis])

print("\nMaximum print size: {:.2f} x {:.2f} x {:.2f} mm".format(max(maxes['X']), max(maxes['Y']), max(maxes['Z'])))
print("Average print size: {:.2f} x {:.2f} x {:.2f} mm".format(average(maxes['X']), average(maxes['Y']), average(maxes['Z'])))