code: def filter_from_opts(**kw):
      '''Build a AND filter from the provided kwargs defaulting to an
      empty 'and' filter (@todo: API workaround) if nothing is provided.
  
      If the 'filter_json' argument is provided, this will be assumed to contain
      a filter specification and will be anded with other filters. If the
      'filter_json' is a search, the search filter value will be used.
  
      All kw values should be tuple or list
      '''
      filter_in = kw.pop('filter_json', None)
      active = and_filter_from_opts(kw)
      if filter_in:
          filter_in = filter_in.get('filter', filter_in)
          if len(active['config']) > 0:
              active = filters.and_filter(active, filter_in)
          else:
              active = filter_in
      return activf filter_from_opts(**kw):
      '''Build a AND filter from the provided kwargs defaulting to an
      empty 'and' filter (@todo: API workaround) if nothing is provided.
  
      If the 'filter_json' argument is provided, this will be assumed to contain
      a filter specification and will be anded with other filters. If the
      'filter_json' is a search, the search filter value will be used.
  
      All kw values should be tuple or list
      '''
      filter_in = kw.pop('filter_json', None)
      active = and_filter_from_opts(kw)
      if filter_in:
          filter_in = filter_in.get('filter', filter_in)
          if len(active['config']) > 0:
              active = filters.and_filter(active, filter_in)
          else:
              active = filter_in
      return active
docs: Build a AND filter from the provided kwargs defaulting to an
      empty 'and' filter (@todo: API workaround) if nothing is provided.
  
      If the 'filter_json' argument is provided, this will be assumed to contain
      a filter specification and will be anded with other filters. If the
      'filter_json' is a search, the search filter value will be used.
  
      All kw values should be tuple or list