Fixes vector path problems in Android Drawables

fix_vector.py

# From Original Post https://medium.com/@rachitmishra/invalid-vector-drawable-fixing-1-to-0-1-1b430d7469e7
from xml.dom.minidom import parse, parseString
from sys import argv
import os

def fix_path(pathdata, token):
    # Fix missing 0 after space
    points = pathdata.split(token)
    for i, b in enumerate(points):
        if b.startswith('.'):
            points[i] = '0' + b
    return token.join(points)

def fix_file(filename):
    dom1 = parse(filename)
    paths = dom1.getElementsByTagName('path')
    for a in paths:
        for s in [" ", "-", "c", "m", "l", "h", "s", "a", "v", "M", "L", "C"]:
            pathdata = a.attributes['android:pathData'].value
            a.setAttribute('android:pathData', fix_path(pathdata, s))
    return dom1.toxml()
   
def update_file(filename, content):
    with open(filename, "w") as f:
        f.write(content)  

def fix_folder(path):
    for entry in os.scandir(path):
        if entry.is_dir():
            if(entry.name == "build"):
                continue
            fix_folder(entry.path)

        if entry.is_file():
            if (entry.name.startswith('vc_')):
                print("Fixing file " + entry.path)
                newcontent = fix_file(entry.path)
                print("Updating file ")
                update_file(entry.path, newcontent)

def validate_arg(args):
    if (len(argv) == 1):
        print("""
        ------------------------------
        Usage:

        -a : Fix folder
        -f : Fix file

        ------------------------------
        """)
        return False

    if (len(argv) > 3):
        print("""
        ------------------------------
        Error:

        Only one of following is allowed
        -a : Fix folder
        -f : Fix file

        ------------------------------
        """)
        return False
    return True

def process_arg(args): 
    if (argv[1] == '-a'):
        print("Fixing folder " + argv[2])
        fix_folder(argv[2])
    if (argv[1] == '-f'):
        print("Fixing file " + argv[2])
        newcontent = fix_file(argv[2])
        print("Updating file ")
        update_file(argv[2], newcontent)

if __name__ == '__main__':
    if validate_arg(argv):
        process_arg(argv)