Webkit Browser
#!/usr/bin/env python # # [SNIPPET_NAME: Webkit Browser] # [SNIPPET_CATEGORIES: Webkit, PyGTK] # [SNIPPET_DESCRIPTION: Create a simple browser using the webkit API] # [SNIPPET_AUTHOR: Andy Breiner <[email protected]>] # [SNIPPET_LICENSE: GPL] # [SNIPPET_DOCS: http://ardoris.wordpress.com/2009/04/26/a-browser-in-14-lines-using-python-and-webkit, http://www.aclevername.com/articles/python-webgui] import pygtk pygtk.require('2.0') import gtk #you need to import webkit and gobject, gobject is needed for threads import webkit import gobject class Browser: default_site = "http://search.yahoo.com/" def delete_event(self, widget, event, data=None): return False def destroy(self, widget, data=None): gtk.main_quit() def __init__(self): gobject.threads_init() self.window = gtk.Window(gtk.WINDOW_TOPLEVEL) self.window.set_resizable(True) self.window.connect("delete_event", self.delete_event) self.window.connect("destroy", self.destroy) #webkit.WebView allows us to embed a webkit browser #it takes care of going backwards/fowards/reloading #it even handles flash self.web_view = webkit.WebView() self.web_view.open(self.default_site) toolbar = gtk.Toolbar() #create the back button and connect the action to #allow us to go backwards using webkit self.back_button = gtk.ToolButton(gtk.STOCK_GO_BACK) self.back_button.connect("clicked", self.go_back) #same idea for forward button self.forward_button = gtk.ToolButton(gtk.STOCK_GO_FORWARD) self.forward_button.connect("clicked", self.go_forward) #again for refresh refresh_button = gtk.ToolButton(gtk.STOCK_REFRESH) refresh_button.connect("clicked", self.refresh) #add the buttons to the toolbar toolbar.add(self.back_button) toolbar.add(self.forward_button) toolbar.add(refresh_button) #entry bar for typing in and display URLs, when they type in a site #and hit enter the on_active function is called self.url_bar = gtk.Entry() self.url_bar.connect("activate", self.on_active) #anytime a site is loaded the update_buttons will be called self.web_view.connect("load_committed", self.update_buttons) scroll_window = gtk.ScrolledWindow(None, None) scroll_window.add(self.web_view) vbox = gtk.VBox(False, 0) vbox.pack_start(toolbar, False, True, 0) vbox.pack_start(self.url_bar, False, True, 0) vbox.add(scroll_window) self.window.add(vbox) self.window.show_all() def on_active(self, widge, data=None): '''When the user enters an address in the bar, we check to make sure they added the http://, if not we add it for them. Once the url is correct, we just ask webkit to open that site.''' url = self.url_bar.get_text() try: url.index("://") except: url = "http://"+url self.url_bar.set_text(url) self.web_view.open(url) def go_back(self, widget, data=None): '''Webkit will remember the links and this will allow us to go backwards.''' self.web_view.go_back() def go_forward(self, widget, data=None): '''Webkit will remember the links and this will allow us to go forwards.''' self.web_view.go_forward() def refresh(self, widget, data=None): '''Simple makes webkit reload the current back.''' self.web_view.reload() def update_buttons(self, widget, data=None): '''Gets the current url entry and puts that into the url bar. It then checks to see if we can go back, if we can it makes the back button clickable. Then it does the same for the foward button.''' self.url_bar.set_text( widget.get_main_frame().get_uri() ) self.back_button.set_sensitive(self.web_view.can_go_back()) self.forward_button.set_sensitive(self.web_view.can_go_forward()) def main(self): gtk.main() if __name__ == "__main__": browser = Browser() browser.main()