Graphical Password Dialog along the likes of Zenity and Yad, only a bit prettier

pwdialog.py

#!/usr/bin/python

import gi
import sys

gi.require_version('Gtk', '3.0')
from gi.repository import Gtk
from gi.repository import GLib

def log_handler(a, b, c, d):
	pass
	
GLib.log_set_handler("Gtk", GLib.LogLevelFlags.LEVEL_WARNING, log_handler, None);

class PasswordBox(Gtk.Dialog):

	def ok_click(self, button):
		print(self.entry.get_text());
		exit(0);
	
	def esc(self, boo):
		exit(1);
		
	def cancel_click(self, button):
		exit(1);
	
	def entry_enter(self, entry):
		self.ok.activate();
		
	def __init__(self, label):
		Gtk.Dialog.__init__(self, title = "Password Entry")
		
		# Oops
		fake = Gtk.Window();
		self.set_transient_for(fake);
		
		self.set_default_size(480,100);
		
		content = self.get_content_area();
		align = Gtk.Alignment();
		align.set_padding(16,11,8,8);
		
		vbox = Gtk.VBox(0);
		
		la = Gtk.Alignment();
		la.set_padding(12,15,50,0);
		
		l = Gtk.Label(halign = Gtk.Align.START);
		
		l.set_markup("<span size=\"10880\">Enter password for %s</span>" % label);
		la.add(l);
		
		vbox.pack_start(la, True, False, 0);
		
		# using hbox to reduce the size of the entry
		hpad = Gtk.Alignment();
		hpad.set_padding(0,0,25,25);
		
		entry = Gtk.Entry(visibility = False);
		hpad.add(entry);
		
		vbox.pack_start(hpad, True, False, 0);
		
		align.add(vbox);
		content.add(align);
		
		action = self.get_action_area();
		
		labels = { "ok": "_Ok", "cancel": "_Cancel" }
		buttons = {};
		fontsize = 10820;
		
		for b, text in labels.items():
			L = "<span size=\"%d\">%s</span>" % (fontsize, text);
			
			button = Gtk.Button();
			bl = Gtk.Label();
			bl.set_markup_with_mnemonic(L);
			bin = Gtk.Alignment();
			bin.add(bl);
			bin.set_padding(1,1,10,10);
			button.add(bin);
			buttons[b] = button;
		
		apad = Gtk.Alignment();
		apad.set_padding(4,8,8,8);
		
		h = Gtk.HBox(spacing = 2, homogeneous = True);
		
		h.pack_start(buttons["ok"], True, True, 5);
		h.pack_start(buttons["cancel"], True, True, 5);
		
		apad.add(h);
		action.add(apad);
		
		buttons["ok"].connect("clicked", self.ok_click);
		buttons["cancel"].connect( "clicked", self.cancel_click );
		
		entry.connect( "activate", self.entry_enter);
		
		self.entry = entry;
		self.ok = buttons["ok"];
		
		self.connect("destroy", self.esc);
		
if len(sys.argv) == 1:
	print("Needs an argument");
	exit(1);
	
pwdialog = PasswordBox(sys.argv[1]);
pwdialog.show_all();

Gtk.main();