from gi.repository import Gtk, WebKit

builder = Gtk.Builder()
builder.add_from_file("pybrowse.glade")
window = builder.get_object("mainWindow")
webview = WebKit.WebView()
def onLoad(*a):
    if a[0].get_load_status() == WebKit.LoadStatus.FINISHED:
        builder.get_object("goTxt").set_text(webview.get_uri())
webview.connect("notify::load-status", onLoad)
mv = builder.get_object("mainview")
mv.add(webview)


class SigHandler(object):
    eval_model = builder.get_object('historyModel')

    def goBtn_clicked_cb(self, v):
        print(self,v)
        webview.load_uri(v.get_text())
    eval_locals = dict()
    def evalBtn_clicked_cb(self, v):
        txt = v.get_text()
        exec(txt, globals(), self.eval_locals)
        path = self.eval_model.get_path(self.eval_model.append([txt]))
        builder.get_object("evalHistory").scroll_to_cell(path)
    def row_activated(self, s, *a):
        model, itr = s.get_selected()
        eval_txt = builder.get_object('evalTxt')
        eval_txt.set_text(model[itr][0])
        eval_txt.grab_focus()
    def row_added(self, *a):
        print('row_added')
        print(a)


builder.connect_signals(SigHandler())
window.connect("delete-event", Gtk.main_quit)
window.show_all()

import argparse
parser = argparse.ArgumentParser()
parser.add_argument('uri', nargs='?', default='http://google.com')
args = parser.parse_args()
webview.load_uri(args.uri)

try:
    Gtk.main()
except:
    import sys
    sys.exit(1)
    raise