Modify TOC *after* all feeds downloaded

EnergyLens · 10-18-2014, 04:04 AM

Sorry if this is a bother. I've searched every way I know how to see if this or something similar has been covered before...

I am trying to figure out how to modify the table of contents after all feeds have downloaded. The title used in the TOC generated by news recipes is taken from the tuple (title,url) that is returned in feeds from parse_index, but sometimes useful title information is available only *after* an article has been processed.

I can use populate_article_metadata to access information from within the body of an article to modify title, date & etc. but this unfortunately has no effect for the TOC that is ultimately generated.

Is it possible to modify the feedobject at any point after parse_index, and if so, how?

Thanks you!

kovidgoyal · 10-18-2014, 04:20 AM

Probably by overiding feed2index in your sub class, if you are referring to the html table of contents. And create_opf() if you are referring to the ncx ToC. Although, IIRC the NCX aToC should already be using article.title, which will have been updated by populate_article_metadata.

EnergyLens · 10-18-2014, 02:29 PM

Yes, populate_article_metadata works as you describe. I was having problems extracting data from html I generated and inserted in soup replacing elements without rebuilding the tree, and that led me to looking for more direct means.

Thanks for the incredibly quick reply.

10-18-2014, 04:04 AM	#1
EnergyLens Hack Posts: 34 Karma: 12 Join Date: Dec 2009 Device: Kobo Aura HD, Kindle Paperwhite	*Modify TOC after* all feeds downloaded** Sorry if this is a bother. I've searched every way I know how to see if this or something similar has been covered before... I am trying to figure out how to modify the table of contents after all feeds have downloaded. The title used in the TOC generated by news recipes is taken from the tuple (title,url) that is returned in feeds from parse_index, but sometimes useful title information is available only after an article has been processed. I can use populate_article_metadata to access information from within the body of an article to modify title, date & etc. but this unfortunately has no effect for the TOC that is ultimately generated. Is it possible to modify the feedobject at any point after parse_index, and if so, how? Thanks you!

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10-18-2014, 04:20 AM	#2
kovidgoyal creator of calibre Posts: 43,858 Karma: 22666666 Join Date: Oct 2006 Location: Mumbai, India Device: Various	Probably by overiding feed2index in your sub class, if you are referring to the html table of contents. And create_opf() if you are referring to the ncx ToC. Although, IIRC the NCX aToC should already be using article.title, which will have been updated by populate_article_metadata.

10-18-2014, 02:29 PM	#3
EnergyLens Hack Posts: 34 Karma: 12 Join Date: Dec 2009 Device: Kobo Aura HD, Kindle Paperwhite	Yes, populate_article_metadata works as you describe. I was having problems extracting data from html I generated and inserted in soup replacing elements without rebuilding the tree, and that led me to looking for more direct means. Thanks for the incredibly quick reply.