update_xenotype_mayrequires.py

import os
from lxml import etree

def find_about_folder(path):
    while path != os.path.dirname(path):  # stop at root directory
        if 'About' in os.listdir(path):
            return os.path.join(path, 'About')
        path = os.path.dirname(path)
    return None

def find_package_id(about_folder):
    about_file = os.path.join(about_folder, 'About.xml')
    tree = etree.parse(about_file)
    package_id = tree.xpath('/ModMetaData/packageId')[0].text
    return package_id

def update_xenotype_file(xenotype_file, root_dir):
    xenotype_tree = etree.parse(xenotype_file)
    gene_names = xenotype_tree.xpath('/Defs/XenotypeDef/genes/li/text()')
    for dirpath, dirnames, filenames in os.walk(root_dir):
        for filename in filenames:
            if filename.endswith('.xml') and 'Defs' in dirpath:
                file_path = os.path.join(dirpath, filename)
                try:
                    tree = etree.parse(file_path)
                    for gene_name in gene_names:
                        gene_def = tree.xpath(f'/Defs/GeneDef[defName="{gene_name}"]')
                        if gene_def:
                            about_folder = find_about_folder(dirpath)
                            if about_folder:
                                package_id = find_package_id(about_folder)
                                li_elements = xenotype_tree.xpath(f'//li[text()="{gene_name}"]')
                                for li in li_elements:
                                    li.attrib['MayRequire'] = package_id
                                    print(f'Updated {gene_name} in {xenotype_file} with {package_id}')
                except etree.XMLSyntaxError:
                    pass
    xenotype_tree.write(xenotype_file, pretty_print=True, xml_declaration=True, encoding='utf-8')

xenotype_file = 'E:\\Epic\\RimWorld\\Mods\\RPGAdventureFlavourPack\\Compatibility\\arr624.geneticdrift\\1.4\\Defs\\XenotypeDefs\\MSS_WizardTales_Xenotypes.xml'
search_dirs = ['D:\\SteamLibrary\\steamapps\\workshop\\content\\294100', 'E:\\Epic\\RimWorld\\Data']
for search_dir in search_dirs:
    update_xenotype_file(xenotype_file, search_dir)

Very inefficient, don't judge me