小编Sie*_*acz的帖子

首先是代码:

from gi.repository import Gtk, GtkSource, GObject

import os.path
import shelve

class MusicCollection(object):

    def __init__(self):
        self.builder = Gtk.Builder()
        self.glade_file = 'music.glade'
        GObject.type_register(GtkSource.View)
        self.builder.add_from_file(self.glade_file)
        self.window = self.builder.get_object("window1")
        self.entry_author = self.builder.get_object("entry_author")
        self.entry_album = self.builder.get_object("entry_album")
        self.entry_songs = self.builder.get_object("entry_songs")
        self.borrowed_toggle = self.builder.get_object("borrowed")
        self.create_button = self.builder.get_object("create")
        self.update_button = self.builder.get_object("update")
        self.delete_button = self.builder.get_object("destroy")
        self.view = self.builder.get_object("treeview1")
        self.albums_list = self.builder.get_object("albums_list")

        self.db = shelve.open("data.db")
        self.columns = ["Author", "Album", "Songs", "Borrowed"]        

        self.connect_signals()
        self.initialize()
        self.window.show_all()

    def connect_signals(self):
        self.create_button.connect("clicked", self.create)
        self.update_button.connect("clicked", self.update)
        self.delete_button.connect("clicked", self.destroy)
        self.window.connect("destroy", self.quit)
        self.view.get_selection().connect("changed", self.changed)

    def initialize(self):
        try: …