Thread: fail to import isbns to Calibre and get the metadata
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Old 01-11-2020, 01:52 AM   #22
BetterRed
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Posts: 21,761
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Join Date: Mar 2012
Location: Sydney Australia
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@davidfor - when you add a book from an ISBN and it does the Ctrl+D style download and then fails, then there's no View Log option and the error detail is very sparse

calibre, version 4.8.0
ERROR: Download failed: Failed to download metadata or cover for the selected book.
Unknown (Failed metadata) (Failed cover)

One only gets a View Log button if something is found, I had to salvage this from ...\Temp\calibre_yohscz

Spoiler:

#################### Log for Unknown ####################
Running identify query with parameters:
{u'identifiers': {u'isbn': u'9788558890243'}, u'timeout': 30, u'title': None, u'authors': None}
Using plugins: Google (1, 0, 1), Amazon.com (1, 2, 11)
The log from individual plugins is below

****************************** Google (1, 0, 1) ******************************
Found 0 results
Downloading from Google took 0.695000171661
Making query: https://books.google.com/books/feeds...&start-index=1

************************************************** ******************************

****************************** Amazon.com (1, 2, 11) ******************************
Found 0 results
Downloading from Amazon.com took 1.49599981308
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36
Server: auto
Making google query: https://www.google.com/search?q=%289...www.amazon.com
Ignoring u'A Impossivel Faca da Memoria (Em Portugues do Brasil ...https://www.amazon.com \u203a Impossivel-Faca-Memoria-P...' as it has no cached page
Failed to find any results on results page, with title: (9788558890243 or 978-8558890243) site:www.amazon.com - Google Search
No search engine results for terms: (9788558890243 OR 978-8558890243)
Trying the bing search engine instead
Making bing query: https://www.bing.com/search?q=%28978...www.amazon.com
Failed to find any results on results page, with title: (9788558890243 or 978-8558890243) site:www.amazon.com - Bing
No search engine results for terms: (9788558890243 OR 978-8558890243)
No matches found with query: [u'(9788558890243', u'OR', u'978-8558890243)']

************************************************** ******************************
The identify phase took 1.61 seconds
The longest time (1.496000) was taken by: Amazon.com
Merging results from different sources
We have 0 merged results, merging took: 0.00 seconds
Failed to download metadata for Unknown

****************************** Google Covers ******************************
Request extra headers: [(u'User-agent', u'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.121 Safari/537.36')]
Failed to download valid cover
Took 1.44800019264 seconds
No cached cover found, running identify
Making query: https://books.google.com/books/feeds...&start-index=1
No cover found

************************************************** ******************************

****************************** Amazon.com Covers ******************************
Request extra headers: [(u'User-agent', u'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36'), (u'Accept', u'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8'), (u'Upgrade-insecure-requests', u'1'), (u'Referer', u'https://www.bing.com/search?q=%289788558890243+or+978-8558890243%29+site%3Awww.amazon.com')]
Failed to download valid cover
Took 2.21199989319 seconds
No cached cover found, running identify
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36
Server: auto
Making google query: https://www.google.com/search?q=%289...www.amazon.com
Ignoring u'A Impossivel Faca da Memoria (Em Portugues do Brasil ...https://www.amazon.com \u203a Impossivel-Faca-Memoria-P...' as it has no cached page
Failed to find any results on results page, with title: (9788558890243 or 978-8558890243) site:www.amazon.com - Google Search
No search engine results for terms: (9788558890243 OR 978-8558890243)
Trying the bing search engine instead
Making bing query: https://www.bing.com/search?q=%28978...www.amazon.com
Failed to find any results on results page, with title: (9788558890243 or 978-8558890243) site:www.amazon.com - Bing
No search engine results for terms: (9788558890243 OR 978-8558890243)
No matches found with query: [u'(9788558890243', u'OR', u'978-8558890243)']
No cover found

************************************************** ******************************

****************************** Open Library Covers ******************************
Request extra headers: [(u'User-agent', u'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36')]
Failed to download valid cover
Took 2.36600017548 seconds
No cover for ISBN: u'9788558890243' found

************************************************** ******************************

According to that it's finding the book at Amazon but it ignores it because there's there is 'no cached page' - I assume that's a cache on the server side.

BR
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