idk my bff xml

some_kinda_parser.py

import re

namespace_pattern = re.compile('{(?P<ns>[^}]*}')

def process_node(node, cb):
  url = None
  ns = namespace_pattern.match(node.tag)
  if ns is not None:
    url = ns.groupdict()['ns']
    
  if 'href' in node.attrib:
    url = node.attrib['href']
  
  if url is not None:
    cb(url, node)
  for child in node:
    process_node(child, cb)
    
def test(url, node):
  print(url, node.tag)
  
process_node(root, test)