def handle_exception(exc_info, error_stream, html=True,
                     debug_mode=False,
                     error_email=None,
                     error_log=None,
                     show_exceptions_in_wsgi_errors=False,
                     error_email_from='errors@localhost',
                     smtp_server='localhost',
                     smtp_username=None,
                     smtp_password=None,
                     smtp_use_tls=False,
                     error_subject_prefix='',
                     error_message=None,
                     simple_html_error=False,
                     ):
    reported = False
    exc_data = collector.collect_exception(*exc_info)
    extra_data = ''
    if error_email:
        rep = reporter.EmailReporter(
            to_addresses=error_email,
            from_address=error_email_from,
            smtp_server=smtp_server,
            smtp_username=smtp_username,
            smtp_password=smtp_password,
            smtp_use_tls=smtp_use_tls,
            subject_prefix=error_subject_prefix)
        rep_err = send_report(rep, exc_data, html=html)
        if rep_err:
            extra_data += rep_err
        else:
            reported = True
    if error_log:
        rep = reporter.LogReporter(
            filename=error_log)
        rep_err = send_report(rep, exc_data, html=html)
        if rep_err:
            extra_data += rep_err
        else:
            reported = True
    if show_exceptions_in_wsgi_errors:
        rep = reporter.FileReporter(
            file=error_stream)
        rep_err = send_report(rep, exc_data, html=html)
        if rep_err:
            extra_data += rep_err
        else:
            reported = True
    else:
        line = ('Error - %s: %s\n'
                % (exc_data.exception_type, exc_data.exception_value))
        if six.PY3:
            line = line.encode('utf8')
        error_stream.write(line)
    if html:
        if debug_mode and simple_html_error:
            return_error = formatter.format_html(
                exc_data, include_hidden_frames=False,
                include_reusable=False, show_extra_data=False)
            reported = True
        elif debug_mode and not simple_html_error:
            error_html = formatter.format_html(
                exc_data,
                include_hidden_frames=True,
                include_reusable=False)
            head_html = formatter.error_css + formatter.hide_display_js
            return_error = error_template(
                head_html, error_html, extra_data)
            extra_data = ''
            reported = True
        else:
            msg = error_message or '''
            An error occurred.  See the error logs for more information.
            (Turn debug on to display exception reports here)
            '''
            return_error = error_template('', msg, '')
    else:
        return_error = None
    if not reported and error_stream:
        err_report = formatter.format_text(exc_data, show_hidden_frames=True)
        err_report += '\n' + '-'*60 + '\n'
        error_stream.write(err_report)
    if extra_data:
        error_stream.write(extra_data)
    return return_error
For exception handling outside of a web context
dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/Paste-2.0.1/paste/exceptions/errormiddleware.py/handle_exception