@staticmethod

    def context_today(record, timestamp=None):

        """ Return the current date as seen in the client's timezone in a format

            fit for date fields. This method may be used to compute default

            values.

​

            :param datetime timestamp: optional datetime value to use instead of

                the current date and time (must be a datetime, regular dates

                can't be converted between timezones.)

            :rtype: str

        """

        today = timestamp or datetime.now()

        context_today = None

        tz_name = record._context.get('tz') or record.env.user.tz

        if tz_name:

            try:

                today_utc = pytz.timezone('UTC').localize(today, is_dst=False)  # UTC = no DST

                context_today = today_utc.astimezone(pytz.timezone(tz_name))

            except Exception:

                _logger.debug("failed to compute context/client-specific today date, using UTC value for `today`",

                              exc_info=True)

        return (context_today or today).strftime(DATE_FORMAT)