def mylogin(request): error = [] if request.method == 'POST': form = LoginForm(request.POST) if form.is_valid(): data = form.cleaned_data() username = data['username'] password = data['password'] if login_validate(request, username, password): return render_to_response('welcome.html', {'user': username}) else: error.append("please input password!") else: error.append("please input username and password!") else: form = LoginForm() return render_to_response('login.html', {'error': error, 'form': form})