code: def matches(filter, message, valid_paths, rule_cache, config):
      
  
      if not filter['rules']:
          return False
  
      for rule in filter['rules']:
          fn = rule['fn']
          negated = rule['negated']
          arguments = rule['arguments']
          rule_cache_key = rule['cache_key']
  
          try:
              if rule_cache_key not in rule_cache:
                  value = fn(config, message, **arguments)
                  if negated:
                      value = not value
                  rule_cache[rule_cache_key] =  value
  
              if not rule_cache[rule_cache_key]:
                  return False
          except Exception as e:
              log.exception(e)
              # If something throws an exception then we do *not* have a match.
              return False
  
      # Then all rules matched on this filter..
      return True
docs: Returns True if the given filter matches the given message.