Map all files in a path recursively into an XML file

storage_mapper_xml.py

import os

import dict2xml


def folder(path):
    global root
    children = dict()
    try:
        mass = os.listdir(path)
    except PermissionError:
        return children
    for x in mass:
        item = os.path.join(path, x)
        if os.path.isdir(item):
            try:
                children[x] = folder(item)
            except RecursionError:
                children[x] = None
        elif os.path.isfile(item):
            children[x] = None
        else:
            children[x] = None
    return {os.path.basename(path): children} if path == root else children


root = os.path.abspath(os.path.join(__file__, os.pardir))
with open(os.path.join(root, "map.xml"), "w") as f:
    f.write(dict2xml.Converter("").build(folder(root), closed_tags_for=[None]))
    f.close()