__init__.py 文件源码

def __init__(self, revert_order, remove_bash_prefix, remove_zsh_prefix, regexp, case_sensitive,
                 remove_duplicates, show_hits, infile):

        self.show_hits = show_hits
        self.regexp_modifier = regexp
        self.case_modifier = case_sensitive
        self.remove_bash_prefix = remove_bash_prefix

        self.list_items = []

        if revert_order:
            lines = reversed(infile.readlines())
        else:
            lines = infile

        for line in lines:
            if remove_bash_prefix:
                line = line.split(None, 1)[1].strip()

            if remove_zsh_prefix:
                line = re.split('\s+', line, maxsplit=4)[-1]

            if 'selecta <(history)' not in line:
                if not remove_duplicates or line not in self.list_items:
                    self.list_items.append(line)

        self.list_item_widgets = []

        self.line_count_display = LineCountWidget('')
        self.search_edit = SearchEdit(edit_text='')

        self.modifier_display = urwid.Text('')

        urwid.connect_signal(self.search_edit, 'done', self.edit_done)
        urwid.connect_signal(self.search_edit, 'toggle_case_modifier', self.toggle_case_modifier)
        urwid.connect_signal(self.search_edit, 'toggle_regexp_modifier', self.toggle_regexp_modifier)
        urwid.connect_signal(self.search_edit, 'change', self.edit_change)

        header = urwid.AttrMap(urwid.Columns([
            urwid.AttrMap(self.search_edit, 'input', 'input'),
            self.modifier_display,
            ('pack', self.line_count_display),
        ], dividechars=1, focus_column=0), 'head', 'head')

        self.item_list = urwid.SimpleListWalker(self.list_item_widgets)
        self.listbox = ResultList(self.item_list)

        urwid.connect_signal(self.listbox, 'resize', self.list_resize)

        self.view = urwid.Frame(body=self.listbox, header=header)

        self.loop = urwid.MainLoop(self.view, palette, unhandled_input=self.on_unhandled_input)
        self.loop.screen.set_terminal_properties(colors=256)

        self.line_count_display.update(self.listbox.last_size, len(self.item_list))

        # TODO workaround, when update_list is called directly, the linecount widget gets not updated
        self.loop.set_alarm_in(0.01, lambda *loop: self.update_list(''))

        self.loop.run()