How redirect generator create widget

create-redirect-login-widget.py

def create_redirect_login_widget(
        redirect_url, bot_name, size=SMALL, user_photo=True, access_write=True
):
    """
    Create a redirect widget, that allows to handle an user data as get request params.
    """
    script_initital = \
        '<script async src="https://telegram.org/js/telegram-widget.js?2" '
    bot = 'data-telegram-login="{}" '.format(bot_name)
    size = 'data-size="{}" '.format(size)
    userpic = \
        'data-userpic="{}" '.format(str(user_photo).lower()) if not user_photo else ''
    redirect = 'data-auth-url="{}" '.format(redirect_url)
    access = 'data-request-access="write"' if access_write else ''
    script_end = '></script>'

    widget_script = \
        script_initital + bot + size + userpic + redirect + access + script_end
    return widget_script