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你好,我是新的Python和WebKit。 因此,我创建了一个简单的Gtk应用程序,它在WebKit.WebView中加载一个Internet页面列表,并且在加载页面时会有一个DOM绑定来获取该网站的标题。这是通过逐个加载站点的for循环发生的。但是在for循环的第一次运行中,该过程绕过了WebView.connect的'加载完成'信号并开始从列表的第二项获取结果。 我想一些帮助PLZ ...WebKit.WebView信号问题for循环
# !/usr/bin/python
# -*- coding: UTF-8 -*-
import threading
from time import sleep
import gi
gi.require_version('WebKit', '3.0')
gi.require_version("Gtk", "3.0")
from gi.repository import Gtk, WebKit
source = ["http://imdb.com", "http://cnn.com",
"http://wikipedia.org", "http://nokia.com"]
class MainWindow(Gtk.Window):
def __init__(self):
Gtk.Window.__init__(self)
self.set_border_width(10)
self.set_default_size(1024, 768)
self.notebook = Gtk.Notebook()
self.add(self.notebook)
self.page1 = Gtk.Box()
self.page1.set_border_width(10)
self.page1.set_margin_left(5)
self.page1.set_margin_right(5)
self.page1.set_margin_top(5)
mainbox = Gtk.Box()
box1 = Gtk.VBox()
box2 = Gtk.Box()
buttoncall = Gtk.Button("Start")
buttoncall.connect('clicked', self.help)
buttoncall.set_size_request(50, 50)
scrolled = Gtk.ScrolledWindow()
scrolled.set_border_width(10)
scrolled.set_size_request(300, 300)
scrolled.set_policy(Gtk.PolicyType.ALWAYS, Gtk.PolicyType.ALWAYS)
self.web1 = WebKit.WebView()
self.web1.set_editable(False)
self.web1.load_uri("")
scrolled.add(self.web1)
box1.pack_start(buttoncall, False, False, 10)
mainbox.pack_start(box1, False, False, 0)
mainbox.pack_start(box2, True, True, 0)
box1.add(scrolled)
self.page1.pack_start(mainbox, True, True, 0)
self.notebook.append_page(self.page1, Gtk.Label("Search info"))
def get_source(self):
print("enterded source")
html = self.web1.get_main_frame().get_title()
return html
def help(self, widget):
threading.Thread(target=self.start_it, args=(widget)).start()
def start_it(self,widget):
for i in range(len(source)):
print(source[i])
self.web1.load_uri(source[i])
while (int(self.web1.get_load_status() != 2)):
sleep(0.5)
print("loading page")
self.web1.connect('load-finished', self.finished_load)
def finished_load(self, web1, frame):
print("get finished")
c = self.get_source()
print(c)
window = MainWindow()
window.connect("delete-event", Gtk.main_quit)
window.show_all()
Gtk.main()