Python script to change Garry's Mod font size

gmod_font_size_changer.py

##########################
# Gmod font size changer #
# --- By FlooferLand --- #

# /!\ Use at your own caution,
# make a backup before running the script! /!\
# PS: It doesn't work for *some* fonts like the spawn menu, feel free to suggest a fix

# Variables
source_scheme_path = "E:\\Games\\SteamLibrary\\steamapps\\common\\GarrysMod\\garrysmod\\resource\\SourceScheme.res"
INCREASE_AMOUNT = 4  # Can be negative


# Classes
class FontSizeSchemeStrip:
    tab_count = 0
    line_num = 0
    data = -1

    def __init__(self, data, line_num, tab_count):
        self.data = data
        self.line_num = line_num
        self.tab_count = tab_count

    def __str__(self):
        return f"SchemeStrip(tab_count={self.tab_count}, line_num={self.line_num}, data={self.data})"


# Functions
def load_scheme(lines):
    result = []
    for i in range(len(lines)):
        line = lines[i]
        line_stripped = line.strip()
        if line_stripped.startswith("//") or "\"tall\"" not in line:
            continue
        tab_count = (line.count('\t') // 2) + 1
        line = line_stripped

        # Removing quotation marks
        data = line.split()[1]
        if data.startswith('\"'):
            data = data[1:]
        if data.endswith('\"'):
            data = data[:-1]

        strip = FontSizeSchemeStrip(int(data), i, tab_count)

        result.append(strip)
    return result


def dump_scheme(original, new_scheme):
    for i in range(len(new_scheme)):
        strip: FontSizeSchemeStrip = new_scheme[i]

        original[strip.line_num] = ('\t' * strip.tab_count) + f"\"tall\"\t\t\"{strip.data}\"\n"
    return original


# Main
to_write: str
with open(source_scheme_path, 'r') as f:
    split = f.readlines()
    new_scheme = load_scheme(split)

    # Increasing the font size
    for strip in new_scheme:
        strip.data += INCREASE_AMOUNT

    to_write = ''.join(dump_scheme(split, new_scheme))

with open(source_scheme_path, 'w') as f:
    f.write(to_write)

print(f"Successfully {('added' if INCREASE_AMOUNT > 0 else 'removed')} {abs(INCREASE_AMOUNT)} to all the font sizes!")