Quote:
Originally Posted by kiwidude
When you get data from the file metadata, you are at the mercy of what was put in there. Depending on the source of that book, it might be valid data, or it might be completely crap. So don't confuse an ISBN being pulled from the file metadata as a guarantee that it actually is the same as the "real" ISBN for that edition, it is just an additional piece of data attached to the book. The extract ISBN plugin will try to give you the "real" ISBN by scraping the text of the book if it exists.
So...
1. What ISBN do you see inside the book when you view it?
2. What ISBN does extract ISBN give you? (hopefully the same)
3. What ISBN does it give you when you add the file reading from the book metadata?
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1. 1-4406-7595-3
2. Vampire Academy - ERROR: (<class 'lxml.etree.XMLSyntaxError'>, XMLSyntaxError(u'PCDATA invalid Char value 3, line 91, column 44',))
3. 9781595141743
4. Goodreads ISBN: 1440676615