iPad Feed Bug

jbone1313 · 04-04-2010, 09:01 PM

When I open MSDN and The New Yorker feeds in iBooks, iBooks starts freaking out and popping up a bunch of messages asking if I want to go to a link. The Economist and The Atlantic feeds do not have this problem.

Is this a bug with the recipe?

Any way to fix this?

Should I submit a Calibre bug?

Thanks!

kovidgoyal · 04-04-2010, 11:14 PM

Weird, sounds like a bug with iBooks. Haven't seen this behavior in any other EPUB viewer. What exactly are the messages?

jbone1313 · 04-04-2010, 11:19 PM

It says, "Do you want to leave iBooks and open this link?". It keeps popping up after I hit cancel multiple times. Then, it finally enables the button to go back to the iBooks library.

kovidgoyal · 04-05-2010, 12:40 AM

Just to be clear (as I don't have an iPad) when you open the e-book you get these messages and after canceling all of them the book auto closes?

jbone1313 · 04-05-2010, 08:49 AM

No, the book doesn't autoclose. But, the popups disable interaction with the UI until they're closed. Since they keep popping up, you have to hope the delay between the next popup is long enough for the "Library" button in iBooks to become active, so that you can close the book.

Thanks much for looking into this.

kovidgoyal · 04-06-2010, 04:17 AM

Hmm I suspect it may have to with javascript. Perhaps the iPad doesn't disable javascript? Do you know how to create a custom recipe from a builtin one?

jbone1313 · 04-06-2010, 10:51 AM

Interesting. I created a custom recipe which just pulls the RSS feed for The New Yorker and nothing else. What is it specifically about the built-in feed? Is there some Javascript going on in there? I.e., is there something I could remove if this happens to other feeds? My big worry would be for The Economist (which works fine now), because it seems like that one may have taken a while to setup, and it wouldn't be so easy for me to recreate it.

A side question: I noticed the Economist provides a RSS feed for their full print edition, but they only provide snippets of the text. I think Calibre is using that feed. How is it that Calibre can go get all of the text and pictures? Is there some crazy programing behind the scenes which clicks all the links and grabs the text? Is there a different feed Calibre uses which contains everything? Just curious.

The Week has a similar setup for their full edition, and I may setup a similar feed if I get some time.

Thanks much.

kovidgoyal · 04-06-2010, 01:17 PM

Add the following to the custom recipes

Code:

remove_javascript=True

that will remove most javascript. And calibre fetches content by following links. RSS feeds are just used as a convenience to get the links.

kovidgoyal · 04-06-2010, 01:24 PM

Actually I think it was caused by <iframe> tags (will be removed in next release).

Starson17 · 04-06-2010, 01:53 PM

Quote:

Originally Posted by jbone1313

Interesting. I created a custom recipe which just pulls the RSS feed for The New Yorker and nothing else.

I'll just stick a brief comment here for anyone who may be interested. I looked for a New Yorker recipe a while back and was surprised, but didn't see one. I may have missed it, but regardless, I started to write one. I was distracted and by the time I got back to it, a new version of calibre had it in there. I noticed however, that the built-in seemed to only pull one feed of "everything".

My initial attempt had found lots of things that I didn't see in the built-in everything feed. My version had several feeds in it. I modified the built-in to add one of the New Yorker feeds from my aborted attempt, and saw lots of stuff not included in the "everything" feed. (e.g., the famous New Yorker cartoons). The "everything" feed seemed to be limited to "About Town" with maps, but I'm not in NY.

I got sidetracked again, so never went any further. The customized recipe needed cleanup and more feeds, which I never got around to doing.

FYI

04-04-2010, 09:01 PM	#1
jbone1313 Member Posts: 20 Karma: 10 Join Date: Oct 2009 Device: PRS600	iPad Feed Bug When I open MSDN and The New Yorker feeds in iBooks, iBooks starts freaking out and popping up a bunch of messages asking if I want to go to a link. The Economist and The Atlantic feeds do not have this problem. Is this a bug with the recipe? Any way to fix this? Should I submit a Calibre bug? Thanks!

04-06-2010, 04:17 AM	#6
kovidgoyal creator of calibre Posts: 43,850 Karma: 22666666 Join Date: Oct 2006 Location: Mumbai, India Device: Various	Hmm I suspect it may have to with javascript. Perhaps the iPad doesn't disable javascript? Do you know how to create a custom recipe from a builtin one? Last edited by kovidgoyal; 04-06-2010 at 04:20 AM.

04-06-2010, 01:17 PM	#8
kovidgoyal creator of calibre Posts: 43,850 Karma: 22666666 Join Date: Oct 2006 Location: Mumbai, India Device: Various	Add the following to the custom recipes Code: remove_javascript=True that will remove most javascript. And calibre fetches content by following links. RSS feeds are just used as a convenience to get the links.

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04-04-2010, 11:14 PM	#2
kovidgoyal creator of calibre Posts: 43,850 Karma: 22666666 Join Date: Oct 2006 Location: Mumbai, India Device: Various	Weird, sounds like a bug with iBooks. Haven't seen this behavior in any other EPUB viewer. What exactly are the messages?

04-04-2010, 11:19 PM	#3
jbone1313 Member Posts: 20 Karma: 10 Join Date: Oct 2009 Device: PRS600	It says, "Do you want to leave iBooks and open this link?". It keeps popping up after I hit cancel multiple times. Then, it finally enables the button to go back to the iBooks library.

04-05-2010, 12:40 AM	#4
kovidgoyal creator of calibre Posts: 43,850 Karma: 22666666 Join Date: Oct 2006 Location: Mumbai, India Device: Various	Just to be clear (as I don't have an iPad) when you open the e-book you get these messages and after canceling all of them the book auto closes?

04-05-2010, 08:49 AM	#5
jbone1313 Member Posts: 20 Karma: 10 Join Date: Oct 2009 Device: PRS600	No, the book doesn't autoclose. But, the popups disable interaction with the UI until they're closed. Since they keep popping up, you have to hope the delay between the next popup is long enough for the "Library" button in iBooks to become active, so that you can close the book. Thanks much for looking into this.

04-06-2010, 10:51 AM	#7
jbone1313 Member Posts: 20 Karma: 10 Join Date: Oct 2009 Device: PRS600	Interesting. I created a custom recipe which just pulls the RSS feed for The New Yorker and nothing else. What is it specifically about the built-in feed? Is there some Javascript going on in there? I.e., is there something I could remove if this happens to other feeds? My big worry would be for The Economist (which works fine now), because it seems like that one may have taken a while to setup, and it wouldn't be so easy for me to recreate it. A side question: I noticed the Economist provides a RSS feed for their full print edition, but they only provide snippets of the text. I think Calibre is using that feed. How is it that Calibre can go get all of the text and pictures? Is there some crazy programing behind the scenes which clicks all the links and grabs the text? Is there a different feed Calibre uses which contains everything? Just curious. The Week has a similar setup for their full edition, and I may setup a similar feed if I get some time. Thanks much.

04-06-2010, 01:24 PM	#9
kovidgoyal creator of calibre Posts: 43,850 Karma: 22666666 Join Date: Oct 2006 Location: Mumbai, India Device: Various	Actually I think it was caused by <iframe> tags (will be removed in next release).

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