def display(self):
        """
        Use a number of methods to guess if the default webbrowser will open in
        the background as opposed to opening directly in the terminal.
        """

        if self._display is None:
            if sys.platform == 'darwin':
                # OS X won't set $DISPLAY unless xQuartz is installed.
                # If you're using OS X and you want to access a terminal
                # browser, you need to set it manually via $BROWSER.
                # See issue #166
                display = True
            else:
                display = bool(os.environ.get("DISPLAY"))

            # Use the convention defined here to parse $BROWSER
            # https://docs.python.org/2/library/webbrowser.html
            console_browsers = ['www-browser', 'links', 'links2', 'elinks',
                                'lynx', 'w3m']
            if "BROWSER" in os.environ:
                user_browser = os.environ["BROWSER"].split(os.pathsep)[0]
                if user_browser in console_browsers:
                    display = False
            if webbrowser._tryorder:
                if webbrowser._tryorder[0] in console_browsers:
                    display = False
            self._display = display
        return self._display
Use a number of methods to guess if the default webbrowser will open in
        the background as opposed to opening directly in the terminal.