link = re.findall(r'''\<input\ type\=\"text\"\ value\=\"\<script\ src\=\'(.*?)\.js\'\>\<\/script\>\"\ onclick\=\"this\.select\(\)\;\"\ size\=\"22\"\>''', html)[0]

import win32api
import win32con
import win32gui

class MainWindow:

    def __init__(self):
    
       win32gui.InitCommonControls()
       self.hinst = win32api.GetModuleHandle(None)
       
       
    def RegisterClass(self):
    
       windowClass = "py_win32"
       WndProc = {
          win32con.WM_DESTROY: self.OnDestroy,
       }
       
       wcex = win32gui.WNDCLASS()
       wcex.style = win32con.CS_HREDRAW | win32con.CS_VREDRAW
       wcex.lpfnWndProc = WndProc
       wcex.cbWndExtra = 0
       wcex.hCursor = win32gui.LoadCursor( 0, win32con.IDC_ARROW )
       wcex.hbrBackground = win32con.COLOR_WINDOW + 1
       wcex.hIcon = win32gui.LoadIcon(0, win32con.IDI_APPLICATION)
       wcex.lpszClassName = windowClass
       
       win32gui.RegisterClass(wcex)
       return windowClass
       
       
    def CreateWindow(self):
    
       windowClass = self.RegisterClass()
       self.hwnd = win32gui.CreateWindow(windowClass,
                             "Python win32 gui example",
                             win32con.WS_OVERLAPPEDWINDOW,
                             win32con.CW_USEDEFAULT,
                             win32con.CW_USEDEFAULT,
                             600,
                             400,
                             0,
                             0,
                             self.hinst,
                             None)
       win32gui.ShowWindow(self.hwnd, win32con.SW_SHOW)       
       
       
    def OnDestroy(self, hwnd, message, wparam, lparam):
    
       win32gui.PostQuitMessage(0)
       return True

       
window = MainWindow()
window.CreateWindow()
win32gui.PumpMessages()