A general error catching decorator to be applied to functions: includes an sql rollback and email notification

error_decorator.py

def error_handling(rollback_toggle=False):
    def wrap(func: C) -> C:
        @wraps(func)
        def func_wrapper(*args, **kwargs):
            try:
                return func(*args, **kwargs)
            except Exception as e:
                tb = sys.exc_info()[2]
                exception_locals = tb.tb_next.tb_frame.f_locals

                send_email = False if e.__class__ is ExpectedException else True

                if rollback_toggle:
                    SqlSessionManager.session().rollback()

                notified = '\n\nPress OK to notify the tech team.' if send_email else ''
                show_message('Error: %s%s' % (str(e), notified), title='Exception', style='error')

                text = str(e) + '\n\n' + traceback.format_exc() + '\n\n' + str(exception_locals)
                print(text)
                if send_email:
                    recipients = ['[email protected]', '[email protected]']
                    mail_tools.send_smtp_email(
                        '[%s][%s][%s] - Function %s in %s crashed' % (
                            ENVIRONMENT, system_tools.hostname(), user, func.__name__, func.__module__
                        ), text, sender='[email protected]', recipient=recipients
                    )
        return func_wrapper
    return wrap