def ua_string(praw_info):
        """Return the user-agent string.

        The user-agent string contains PRAW version and platform version info.

        """
        if os.environ.get('SERVER_SOFTWARE') is not None:
            # Google App Engine information
            # https://developers.google.com/appengine/docs/python/
            info = os.environ.get('SERVER_SOFTWARE')
        else:
            # Standard platform information
            info = platform.platform(True).encode('ascii', 'ignore')

        return '{0} PRAW/{1} Python/{2} {3}'.format(
            praw_info, __version__, sys.version.split()[0], info)
Return the user-agent string.

        The user-agent string contains PRAW version and platform version info.

        
rtv/packages/praw/__init__.py