Amazing-Python-Scripts

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# importing required libraries
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from PyQt5.QtCore import *
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from PyQt5.QtWidgets import *
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from PyQt5.QtGui import *
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from PyQt5.QtWebEngineWidgets import *
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from PyQt5.QtPrintSupport import *
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import os
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import sys
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# creating main window class
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class MainWindow(QMainWindow):
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    # constructor
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    def __init__(self, *args, **kwargs):
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        super(MainWindow, self).__init__(*args, **kwargs)
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        # creating a QWebEngineView
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        self.browser = QWebEngineView()
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        # setting default browser url as google
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        self.browser.setUrl(QUrl("http://google.com"))
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        # adding action when url get changed
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        self.browser.urlChanged.connect(self.update_urlbar)
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        # adding action when loading is finished
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        self.browser.loadFinished.connect(self.update_title)
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        # set this browser as central widget or main window
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        self.setCentralWidget(self.browser)
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        # creating a status bar object
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        self.status = QStatusBar()
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        # adding status bar to the main window
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        self.setStatusBar(self.status)
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        # creating QToolBar for navigation
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        navtb = QToolBar("Navigation")
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        # adding this tool bar tot he main window
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        self.addToolBar(navtb)
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        # adding actions to the tool bar
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        # creating a action for back
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        back_btn = QAction("Back", self)
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        # setting status tip
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        back_btn.setStatusTip("Back to previous page")
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        # adding action to the back button
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        # making browser go back
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        back_btn.triggered.connect(self.browser.back)
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        # adding this action to tool bar
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        navtb.addAction(back_btn)
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        # similarly for forward action
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        next_btn = QAction("Forward", self)
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        next_btn.setStatusTip("Forward to next page")
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        # adding action to the next button
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        # making browser go forward
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        next_btn.triggered.connect(self.browser.forward)
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        navtb.addAction(next_btn)
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        # similarly for reload action
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        reload_btn = QAction("Reload", self)
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        reload_btn.setStatusTip("Reload page")
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        # adding action to the reload button
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        # making browser to reload
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        reload_btn.triggered.connect(self.browser.reload)
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        navtb.addAction(reload_btn)
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        # similarly for home action
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        home_btn = QAction("Home", self)
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        home_btn.setStatusTip("Go home")
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        home_btn.triggered.connect(self.navigate_home)
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        navtb.addAction(home_btn)
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        # adding a separator in the tool bar
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        navtb.addSeparator()
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        # creating a line edit for the url
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        self.urlbar = QLineEdit()
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        # adding action when return key is pressed
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        self.urlbar.returnPressed.connect(self.navigate_to_url)
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        # adding this to the tool bar
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        navtb.addWidget(self.urlbar)
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        # adding stop action to the tool bar
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        stop_btn = QAction("Stop", self)
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        stop_btn.setStatusTip("Stop loading current page")
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        # adding action to the stop button
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        # making browser to stop
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        stop_btn.triggered.connect(self.browser.stop)
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        navtb.addAction(stop_btn)
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        # showing all the components
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        self.show()
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    # method for updating the title of the window
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    def update_title(self):
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        title = self.browser.page().title()
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        self.setWindowTitle("% s - Epic Browser" % title)
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    # method called by the home action
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    def navigate_home(self):
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        # open the google
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        self.browser.setUrl(QUrl("http://www.google.com"))
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    # method called by the line edit when return key is pressed
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    def navigate_to_url(self):
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        # getting url and converting it to QUrl objetc
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        q = QUrl(self.urlbar.text())
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        # if url is scheme is blank
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        if q.scheme() == "":
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            # set url scheme to html
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            q.setScheme("http")
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        # set the url to the browser
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        self.browser.setUrl(q)
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    # method for updating url
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    # this method is called by the QWebEngineView object
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    def update_urlbar(self, q):
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        # setting text to the url bar
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        self.urlbar.setText(q.toString())
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        # setting cursor position of the url bar
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        self.urlbar.setCursorPosition(0)
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# creating a pyQt5 application
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app = QApplication(sys.argv)
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# setting name to the application
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app.setApplicationName("Epic Browser")
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# creating a main window object
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window = MainWindow()
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# loop
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app.exec_()
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