Metadata Download (bulk) broken in 8.26.

[unboggling iBoggle]

Metadata Download (bulk) broken: overwrites Authors and Title when not selected in MetadataDownload Prefs. Discussed in calibre forum thread: http://www.mobileread.com/forums/showthread.php?t=156757. I also attaching a debug log showing several metadata download runs. More info in quotes from thread in calibre forum:
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[QUOTE=salines;1828932]I use calibre 0.8.26

I only use Goodreads plugin to download tags/genres (checkbox). All is configured only to change tags (meta data source plugin: All are disabled, only Goodreads is activated and only for tags).

I download tags for 3 books and - the title is changed like the title from Goodreads.

I don't know what exactly happend, but I think there is a bug.[/QUOTE]

[QUOTE=unboggling;1829646]I have replicated this, or at least experience a similar problem starting with 8.26. Normally I have both Amazon and Goodreads checked in Metadata Download, neither configured to overwrite title or author. Both do. I tested them separately one by one. With either Amazon singly, or Goodreads singly, if the title or author are different in the log those fields get overwritten despite not being checked in Prefs/MetadataDownload.

EDIT: An easy way to test is to use test books with correct ISBN but wrong title or author and see what happens.[/QUOTE]

[QUOTE=dwanthny;1829805]I tested this using only Goodreads and this was not an easy way to test, because single book metadata update does not exhibit this error. Bulk metadata update however does exhibit this problem.[/QUOTE]

Sorry.

[QUOTE=kovidgoyal;1829848]Probably a regression caused by my fix for the ISBN metadata download bug, open a ticket for it.[/QUOTE]

If by ticket you mean a bug report, I'll do it.

[Kovid Goyal (kovid)]

Fixed in branch lp:calibre. The fix will be in the next release. calibre is usually released every Friday.

 status fixreleased

[unboggling iBoggle (unboggling)]

kovid, thanks. Awesomely fast.
:)