code: def get_packages_of_user(config, username, flags):
      
  
      if not _cache.is_configured:
          _cache.configure(**config['fmn.rules.cache'])
  
      packages = []
  
      groups = get_groups_of_user(config, get_fas(config), username)
      owners = [username] + ['group::' + group for group in groups]
  
      for owner in owners:
          key = cache_key_generator(get_packages_of_user, owner)
          creator = lambda: _get_pkgdb2_packages_for(config, owner, flags)
          subset = _cache.get_or_create(key, creator)
          packages.extend(subset)
  
      return set(packages)
docs: Retrieve the list of packages where the specified user some acl.
  
      :arg config: a dict containing the fedmsg config
      :arg username: the fas username of the packager whose packages are of
          interest.
      :return: a set listing all the packages where the specified user has
          some ACL.