__init__.py 文件源码

def __init__(self, srvapi, keymap, columns=None, sort=None, title=None):
        self._srvapi = srvapi
        self._keymap = keymap

        if self.focusable_items:
            self._ListItemClass = keymap.wrap(self.ListItemClass, context=self.keymap_context)
        else:
            self._ListItemClass = self.ListItemClass

        self._items = ()
        self._marked = set()

        self._columns = columns or []
        self._sort = sort
        self._sort_orig = sort

        self._title_name = title
        self.title_updater = None

        self._table = Table(**self.tuicolumns)
        self._table.columns = self._columns

        if self.focusable_items:
            walker = urwid.SimpleFocusListWalker([])
        else:
            walker = urwid.SimpleListWalker([])
        self._listbox = keymap.wrap(urwid.ListBox, context=self.keymap_context + 'list')(walker)

        listbox_sb = urwid.AttrMap(
            ScrollBar(urwid.AttrMap(self._listbox, self.palette_name)),
            'scrollbar'
        )
        pile = urwid.Pile([
            ('pack', urwid.AttrMap(self._table.headers, self.palette_name + '.header')),
            listbox_sb
        ])
        super().__init__(pile)