360浏览器永不再见！！！108行Python代码自制浏览器

from PyQt5.QtCore import *
from PyQt5.QtWidgets import *
from PyQt5.QtGui import *
from PyQt5.QtWebEngineWidgets import *

import os
import sys

class MainWindow(QMainWindow):
def init(self, *args, **kwargs):
super().init(*args, **kwargs)

    self.resize(2000, 1314)
    self.show()

    self.tabWidget = QTabWidget()
    self.tabWidget.setTabShape(QTabWidget.Triangular)
    self.tabWidget.setDocumentMode(True)
    self.tabWidget.setMovable(True)
    self.tabWidget.setTabsClosable(True)
    self.tabWidget.tabCloseRequested.connect(self.close_Tab)

    self.setCentralWidget(self.tabWidget)

    self.webview = WebEngineView(self)
    self.webview.load(QUrl("http://www.baidu.com"))

    self.create_tab(self.webview)

    navtb = QToolBar("Navigation")
    navtb.setIconSize(QSize(16, 16))
    self.addToolBar(navtb)

    back_btn = QAction(QIcon(os.path.join('images', 'houtui.png')), "后退", self)
    back_btn.triggered.connect(self.webview.back)
    navtb.addAction(back_btn)

    next_btn = QAction(QIcon(os.path.join('images', 'qianjin.png')), "前进", self)
    next_btn.triggered.connect(self.webview.forward)
    navtb.addAction(next_btn)

    reload_btn = QAction(QIcon(os.path.join('images', 'refresh_icon.png')), "刷新", self)
    reload_btn.triggered.connect(self.webview.reload)
    navtb.addAction(reload_btn)

    home_btn = QAction(QIcon(os.path.join('images', 'geren1.png')), "主页", self)
    navtb.addAction(home_btn)

    self.urlbar = QLineEdit()

    stop_btn = QAction(QIcon(os.path.join('images', 'cross-circle.png')), "Stop", self)
    stop_btn.triggered.connect(lambda: self.tabs.currentWidget().stop())
    navtb.addAction(stop_btn)

    self.urlbar.returnPressed.connect(self.navigate_to_url)

    navtb.addSeparator()
    navtb.addWidget(self.urlbar)

    self.webview.urlChanged.connect(self.renew_urlbar)

def navigate_to_url(self):
    q = QUrl(self.urlbar.text())
    if q.scheme() == '':
        q.setScheme('http')
    self.webview.setUrl(q)

def renew_urlbar(self, q):
    self.urlbar.setText(q.toString())
    self.urlbar.setCursorPosition(0)

def create_tab(self, webview):
    self.tab = QWidget()

    self.tabWidget.addTab(self.tab, "新建标签页")
    self.tabWidget.setCurrentWidget(self.tab)

    self.Layout = QHBoxLayout(self.tab)
    self.Layout.setContentsMargins(0, 0, 0, 0)
    self.Layout.addWidget(webview)

def close_Tab(self, index):
    if self.tabWidget.count() > 1:
        self.tabWidget.removeTab(index)
    else:
        self.close()

class WebEngineView(QWebEngineView):

def __init__(self, mainwindow, parent=None):
    super(WebEngineView, self).__init__(parent)
    self.mainwindow = mainwindow

def createWindow(self, QWebEnginePage_WebWindowType):
    new_webview = WebEngineView(self.mainwindow)
    self.mainwindow.create_tab(new_webview)
    return new_webview

app = QApplication(sys.argv)

browser = MainWindow()
browser.show()

sys.exit(app.exec_())