Replaces exponential form of numbers in an svg with their decimal format, `3e-5` => `0.00003`

convert.py

import decimal
import re

INPUT_FILE = "input.svg"
OUTPUT_FILE = "output.svg"

DECIMAL_DIGITS = 10

REGEX = r"[0-9.]+e-\d+"
# https://regex101.com/r/9SaiS7/1

data = ""
with open(INPUT_FILE, "r") as f:
    data = f.read()

decimal.getcontext().prec = DECIMAL_DIGITS
def str_to_val(match):
    m = match.group()
    return str(decimal.Decimal(m))

# The number of ending digits the decimal will contain
output = re.sub(REGEX, str_to_val, data)

with open(OUTPUT_FILE, "w") as f:
    f.write(output)