tkcalendar.py 文件源码

def __init__(self, master=None, callback=None, **kw):
        """
        WIDGET-SPECIFIC OPTIONS

            locale, firstweekday, year, month, selectbackground,
            selectforeground
        """
        # remove custom options from kw before initializing ttk.Frame
        fwday = calendar.SUNDAY
        year = kw.pop('year', self.datetime.now().year)
        month = kw.pop('month', self.datetime.now().month)
        locale = kw.pop('locale', None)
        sel_bg = kw.pop('selectbackground', '#ecffc4')
        sel_fg = kw.pop('selectforeground', '#05640e')

        self._date = self.datetime(year, month, 1)
        self._selection = None  # no date selected
        self.callback = callback

        super().__init__(master, **kw)

        self._cal = _get_calendar(locale, fwday)

        self.__setup_styles()       # creates custom styles
        self.__place_widgets()      # pack/grid used widgets
        self.__config_calendar()    # adjust calendar columns and setup tags
        # configure a canvas, and proper bindings, for selecting dates
        self.__setup_selection(sel_bg, sel_fg)

        # store items ids, used for insertion later
        self._items = [
            self._calendar.insert('', 'end', values='') for _ in range(6)
        ]

        # insert dates in the currently empty calendar
        self._build_calendar()