try:

              whitelist = whitelist_rules.get(artifact_type, [])

              if whitelist and not any([match_rule(name, branch, rule) for rule in whitelist]):

                  in_whitelist = False

              # only need to check blacklist when it is in whitelist first

              if in_whitelist:

                  blacklist = blacklist_rules.get(artifact_type, [])

                  if blacklist and any([match_rule(name, branch, rule) for rule in blacklist]):

                      in_blacklist = True

          except re.error as exc: