def METHOD_NAME(self, request, response):
    # We are allowed to accept a url w/o a trailing slash
    # for a collection, but are supposed to provide a
    # hint to the client that it should be using one.
    # [WebDAV, 5.2]
    pathinfo = request.get('PATH_INFO', '')
    if pathinfo and pathinfo[-1] != '/':
        location = '%s/' % request['URL1']
        response.setHeader('Content-Location', location)
    response.setHeader('Date', rfc1123_date(), 1)
    # Initialize ETag header
    self.http__etag()