code: def api_key_from_file(url):
      
      path = os.path.expanduser('~/.config/python-bugzilla/bugzillarc')
      cfg = SafeConfigParser()
      cfg.read(path)
      domain = urlparse(url)[1]
      if domain not in cfg.sections():
          return None
      if not cfg.has_option(domain, 'api_key'):
          return None
      return cfg.get(domain, 'api_key')
docs: Check bugzillarc for an API key for this Bugzilla URL.