Firefox add-ons EA(python3)

firefox_add_ons.py

#!/usr/local/bin/managed_python3

'''
		Name:  firefox_add_ons.py
		Description:  This extension attribute returns a list of the names and versions of all Firefox add-ons installed for the current user. 
			Based on a python3 version of the Chrome Extensions EA by Elliot Jordan <elliot@lindegroup.com>. (https://gist.github.com/astral303/e414400ec7a69c34480e1705d371e15b)
			Uses Greg Neagle's managed_python3 (https://github.com/macadmins/python).
		Author:  Daniel Mortensen <dsmtheperson@gmail.com>
		Created:  2022-04-26
		Last Modified:  2022-04-26
		Version:  1.0
'''
		
import json
import os
import sys
from SystemConfiguration import SCDynamicStoreCopyConsoleUser
from pkg_resources import parse_version
from pprint import pprint


def get_current_user():
		username = (SCDynamicStoreCopyConsoleUser(None, None, None) or [None])[0] 
		return username
def get_manifests(username):
		manifest_list = []
		ext_folder = ("/Users/%s/Library/Application Support/"
			"Firefox/Profiles" % username)
	
		for dirpath, dirnames, filenames in os.walk(ext_folder):
				for filename in filenames:
						if filename == "addons.json":
								manifest_list.append(os.path.join(dirpath, filename))
		return manifest_list

def parse_results(manifest_list):
	result_dict = {}
	for manifest in manifest_list:
		with open(manifest) as manifest_file:
				manifest_data = json.load(manifest_file)
		if "addons" in manifest_data:
			add_ons = manifest_data["addons"]
			for add_on in add_ons:
				info = {}
				if "name" in add_on:		
					add_on_name = add_on.get("name")
					version = add_on.get("version")
					url = add_on["creator"]["url"]
					
					if add_on_name not in result_dict or parse_version(
									version) > parse_version(result_dict[add_on_name]["version"]):
						info["version"] = version
						info["url"] = url
						result_dict[add_on_name] = info
	return result_dict


def print_results(results):
	
	data_dump = json.dumps(results)
	data_json = json.loads(data_dump)

	list = ""
	for name in data_json:
			info = data_json.get(name)
			version = info.get("version")
			url = info.get("url")
			result = "%s (version %s, %s)" % (name, version, url)

			# Straighten curly quotes to avoid UnicodeEncodeError.
			result = result.replace(u"\u2018", "'").replace(
				u"\u2019", "'").replace(
				u"\u201c", "\"").replace(
				u"\u201d", "\"")
			list = list + result + "\n"
	return list.strip()

def main():
		username = get_current_user()
		manifest_list = get_manifests(username)
		results = parse_results(manifest_list)
		to_echo = print_results(results)
		print("<result>%s</result>" % to_echo)
	
if __name__ == '__main__':
		main()