def _highlight_path(self, hl_path, tf):
        """Highlight or unhighlight a single entry.

        Examples
        --------
        >>> hl_path = self._get_hl_key(chname, image)
        >>> self._highlight_path(hl_path, True)

        """
        fc = self.settings.get('row_font_color', 'green')

        try:
            self.treeview.highlight_path(hl_path, tf, font_color=fc)
        except Exception as e:
            self.logger.info('Error changing highlight on treeview path '
                             '({0}): {1}'.format(hl_path, str(e)))
Highlight or unhighlight a single entry.

        Examples
        --------
        >>> hl_path = self._get_hl_key(chname, image)
        >>> self._highlight_path(hl_path, True)