[GUI Plugin] Extract ISBN - Page 18

RotAnal · 10-12-2012, 04:32 AM

Dear kiwidude,
thanks for your answer!

Quote:

Originally Posted by kiwidude

If your book is an EPUB (or indeed a PDF) then the performance will be as good as it is going to get, for any other format it must convert to EPUB behind the scenes which is where the lag is involved.

I see. Are you telling me that in the case of .djvu or .chm files it is better NOT to process them with your plugin in order to save time?

kiwidude · 10-12-2012, 04:51 AM

It is entirely up to you and the size of the books etc. You could always leave it running overnight if you have either a lot of books or some difficult ones to process. I don't use either of those formats myself to comment further on them.

Tahini · 12-25-2012, 12:46 PM

Seems like an excellent plugin! However, I didnt find the option to extract the e-isbn in case it's present, instead of the regular isbn. Will it be implemented in the near future?

Giuseppe Chillem · 01-06-2013, 10:18 AM

Hi,
I have just downloaded this plugin and I have a question.
I have selected 2000+ books. 22 Works have been created. PDF_TO_HTML crashed 3 or 4 times.

1) What happens in this scenario ? Extract ISBN continue after the offending books or the whole work (and the remaining search assigned to that work) stoppes ?

2) Also. Is there a way to resctrict the number of works to 1 ?

DoctorOhh · 01-06-2013, 10:41 AM

Quote:

Originally Posted by Giuseppe Chillem

2) Also. Is there a way to resctrict the number of works to 1 ?

Select the one book and the run the plugin and it will just work on the selected book.

JSWolf · 01-06-2013, 10:44 AM

Quote:

Originally Posted by Tahini

Seems like an excellent plugin! However, I didnt find the option to extract the e-isbn in case it's present, instead of the regular isbn. Will it be implemented in the near future?

Yes, it would be good to get the eISBN instead of the pISBN.

theducks · 01-06-2013, 10:58 AM

Quote:

Originally Posted by JSWolf

Yes, it would be good to get the eISBN instead of the pISBN.

That is better data, But...
How does using the e ISBN affect retrieving a cover that only exists on a p ISBN version of the book? Do you really want one of those (cheap) generic covers some Publishers are using?

Nyssa · 01-06-2013, 11:11 AM

Quote:

Originally Posted by theducks

That is better data, But...
How does using the e ISBN affect retrieving a cover that only exists on a p ISBN version of the book? Do you really want one of those (cheap) generic covers some Publishers are using?

For me, its not about the covers, so much, as finding the right edition when I add the book to my shelves on GoodReads. Having the correct eISBN can help immensely when a book has 50 other entries.

JSWolf · 01-06-2013, 07:07 PM

Quote:

Originally Posted by theducks

That is better data, But...
How does using the e ISBN affect retrieving a cover that only exists on a p ISBN version of the book? Do you really want one of those (cheap) generic covers some Publishers are using?

It's not about covers. It's about getting the correct ISBN number for the eBook. I don't use automated software to go find a cover. I do that myself.

kiwidude · 01-06-2013, 08:45 PM

I have no plans to add any support for different types of isbns and choosing one over another. The plugin looks for "digits" that might be an ISBN, rather than any sort of prefix due to the ridiculous number of variations possible. It would be a major change to make it do otherwise and it is not something I have enough interest in to do.

Giuseppe Chillem · 01-09-2013, 01:10 PM

Still no answer to my question:

What happen when a something like PDF2HTML crashes while extracting isbns ? Is the whole work of that particular job lost or does it continue ?

kiwidude · 01-09-2013, 02:22 PM

@Giuseppe - you had the error, so you should have seen what the result was based on whether it extracted isbns for other books in the batch or not. Of the top of my head I can't remember what the code would do, and having that PDF component crash is not something I see in my own usage to replicate (but then I try to avoid keeping PDFs where possible).

At a guess from memory this plugin breaks the work up into batches of some default size (50?). Each batch will get treated independently from each other, so an error in one batch should not affect others. As for what happens within a batch, my guess would be that with it being an unmanaged exception thrown by pdftohtml you will not get any isbn values from that batch back.

mseiden · 06-02-2013, 02:46 PM

greetings. excellent idea.
is there some reason why you decided not to try to extract isbn from the
metadata? in particular, i have hundreds of books where the document title is or
contains the isbn, e.g.
3642283675-2013-05-30-23-07
0312624123
0398087423.PsychBobbyFischer
0195143787.pdf
9812560432 981238930XMachine

in some cases, attempting an extract from the text fails. in any case, it takes a very long time compared with a simple extract from the title or from a tag.

kiwidude · 06-02-2013, 08:19 PM

@mseiden - calibre already has the ability to get the isbn from the metadata, without using any plugins.

10-12-2012, 04:51 AM	#257
kiwidude calibre/Sigil Developer Posts: 4,098 Karma: 1211234 Join Date: Oct 2010 Location: London, UK Device: Kindle 3 3G, iPad 2, iPad 3	It is entirely up to you and the size of the books etc. You could always leave it running overnight if you have either a lot of books or some difficult ones to process. I don't use either of those formats myself to comment further on them. __________________ Like my calibre plugins or Sigil work? Say thanks with PayPal

01-06-2013, 10:18 AM	#259
Giuseppe Chillem Zealot Posts: 122 Karma: 134 Join Date: May 2010 Device: IREX DR1000	Hi, I have just downloaded this plugin and I have a question. I have selected 2000+ books. 22 Works have been created. PDF_TO_HTML crashed 3 or 4 times. 1) What happens in this scenario ? Extract ISBN continue after the offending books or the whole work (and the remaining search assigned to that work) stoppes ? 2) Also. Is there a way to resctrict the number of works to 1 ? __________________ Regards, Giuseppe Chillemi (Contributor) Please, if you feel Calibre useful, act like me: donate ! The programmer has put a lot of his personal time on the project and your help will contribute to further developments.

01-06-2013, 08:45 PM	#265
kiwidude calibre/Sigil Developer Posts: 4,098 Karma: 1211234 Join Date: Oct 2010 Location: London, UK Device: Kindle 3 3G, iPad 2, iPad 3	I have no plans to add any support for different types of isbns and choosing one over another. The plugin looks for "digits" that might be an ISBN, rather than any sort of prefix due to the ridiculous number of variations possible. It would be a major change to make it do otherwise and it is not something I have enough interest in to do. __________________ Like my calibre plugins or Sigil work? Say thanks with PayPal

01-09-2013, 01:10 PM	#266
Giuseppe Chillem Zealot Posts: 122 Karma: 134 Join Date: May 2010 Device: IREX DR1000	Still no answer to my question: What happen when a something like PDF2HTML crashes while extracting isbns ? Is the whole work of that particular job lost or does it continue ? __________________ Regards, Giuseppe Chillemi (Contributor) Please, if you feel Calibre useful, act like me: donate ! The programmer has put a lot of his personal time on the project and your help will contribute to further developments.

01-09-2013, 02:22 PM	#267
kiwidude calibre/Sigil Developer Posts: 4,098 Karma: 1211234 Join Date: Oct 2010 Location: London, UK Device: Kindle 3 3G, iPad 2, iPad 3	@Giuseppe - you had the error, so you should have seen what the result was based on whether it extracted isbns for other books in the batch or not. Of the top of my head I can't remember what the code would do, and having that PDF component crash is not something I see in my own usage to replicate (but then I try to avoid keeping PDFs where possible). At a guess from memory this plugin breaks the work up into batches of some default size (50?). Each batch will get treated independently from each other, so an error in one batch should not affect others. As for what happens within a batch, my guess would be that with it being an unmanaged exception thrown by pdftohtml you will not get any isbn values from that batch back. __________________ Like my calibre plugins or Sigil work? Say thanks with PayPal

12-25-2012, 12:46 PM	#258
Tahini Junior Member Posts: 3 Karma: 10 Join Date: Jul 2012 Device: Nook Simple Touch with Glowlight	Seems like an excellent plugin! However, I didnt find the option to extract the e-isbn in case it's present, instead of the regular isbn. Will it be implemented in the near future?

06-02-2013, 02:46 PM	#268
mseiden Junior Member Posts: 1 Karma: 10 Join Date: Jun 2013 Device: kindle	greetings. excellent idea. is there some reason why you decided not to try to extract isbn from the metadata? in particular, i have hundreds of books where the document title is or contains the isbn, e.g. 3642283675-2013-05-30-23-07 0312624123 0398087423.PsychBobbyFischer 0195143787.pdf 9812560432 981238930XMachine in some cases, attempting an extract from the text fails. in any case, it takes a very long time compared with a simple extract from the title or from a tag.

06-02-2013, 08:19 PM	#269
kiwidude calibre/Sigil Developer Posts: 4,098 Karma: 1211234 Join Date: Oct 2010 Location: London, UK Device: Kindle 3 3G, iPad 2, iPad 3	@mseiden - calibre already has the ability to get the isbn from the metadata, without using any plugins. __________________ Like my calibre plugins or Sigil work? Say thanks with PayPal

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