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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _should_queue(self, link, referrer, rel):
 """ Determine whether a link URL from a referring page and with a particular "rel" attribute should be queued for scraping. """

        scheme, netloc, path, _, _, _ = urlparse(link)
        if path.endswith(self.source_extensions + self.binary_extensions +
                         self.excluded_extensions):
            result = False
        elif self.skip_externals and not link.startswith(self.base_url):
            result = False
        elif not referrer.startswith(self.base_url):
            result = False
        elif rel not in ('homepage', 'download'):
            result = False
        elif scheme not in ('http', 'https', 'ftp'):
            result = False
        elif self._is_platform_dependent(link):
            result = False
        else:
            host = netloc.split(':', 1)[0]
            if host.lower() == 'localhost':
                result = False
            else:
                result = True
        logger.debug('should_queue: %s (%s) from %s -> %s', link, rel,
                     referrer, result)
        return result