Method get_modified_time

tornado/web.py:3092–3116

Returns the time that ``self.absolute_path`` was last modified. May be overridden in subclasses. Should return a `~datetime.datetime` object or None. .. versionadded:: 3.1 .. versionchanged:: 6.4 Now returns an aware datetime object instead of a naive o

(self)

        return stat_result.st_size

    def get_modified_time(self) -> Optional[datetime.datetime]:
        """Returns the time that ``self.absolute_path`` was last modified.

        May be overridden in subclasses.  Should return a `~datetime.datetime`
        object or None.

        .. versionadded:: 3.1

        .. versionchanged:: 6.4
           Now returns an aware datetime object instead of a naive one.
           Subclasses that override this method may return either kind.
        """
        stat_result = self._stat()
        # NOTE: Historically, this used stat_result[stat.ST_MTIME],
        # which truncates the fractional portion of the timestamp. It
        # was changed from that form to stat_result.st_mtime to
        # satisfy mypy (which disallows the bracket operator), but the
        # latter form returns a float instead of an int. For
        # consistency with the past (and because we have a unit test
        # that relies on this), we truncate the float here, although
        # I'm not sure that's the right thing to do.
        modified = datetime.datetime.fromtimestamp(
            int(stat_result.st_mtime), datetime.timezone.utc
        )
        return modified

    def get_content_type(self) -> str:
        """Returns the ``Content-Type`` header to be used for this request.