nl: result of the function iri_to_uri called with an argument link for 'link', result of the function to_unicode called with an argument description for 'description', result of the function to_unicode called with an argument language for 'language', result of the function to_unicode called with an author_email description for 'author_email', result of the function to_unicode called with an argument author_name for 'author_name', result of the function iri_to_uri called with an argument author_link for 'author_link', result of the function to_unicode called with an argument subtitle for 'subtitle', if true, categories is value for 'categories' key, if not, empty tuple is value for 'categories' key, result of the function iri_to_uri called with an argument feed_url for 'feed_url', result of the function to_unicode called with an argument feed_copyright for 'feed_copyright', if true, feed_guid is value for 'id' key, if not, lik is value for 'id' key and ttl for 'ttl'. update self.feed dictionary with kwargs.
code: self . feed . update ( kwargs )