def copy_to_clipboard(self, url):
        """
        Attempt to copy the selected URL to the user's clipboard
        """
        if url is None:
            self.term.flash()
            return

        try:
            clipboard_copy(url)
        except (ProgramError, OSError) as e:
            _logger.exception(e)
            self.term.show_notification(
                'Failed to copy url: {0}'.format(e))
        else:
            self.term.show_notification(
                ['Copied to clipboard:', url], timeout=1)

        Attempt to copy the selected URL to the user's clipboard
        
rtv/page.py