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fix exceptions in mobi caused by new thumbnails being larger than the one stored in the file. Why things are done this way, I don't know.

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Charles Haley 2010-10-04 10:49:42 +01:00
parent 3c5e8c0291
commit 3941b9c4a1
1 changed files with 7 additions and 5 deletions
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src/calibre/ebooks/metadata/mobi.py
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@ -404,11 +404,13 @@ class MetadataUpdater(object):
if self.cover_record is not None: if self.cover_record is not None:
size = len(self.cover_record) size = len(self.cover_record)
cover = rescale_image(data, size) cover = rescale_image(data, size)
if len(cover) <= size:
cover += '\0' * (size - len(cover)) cover += '\0' * (size - len(cover))
self.cover_record[:] = cover self.cover_record[:] = cover
if self.thumbnail_record is not None: if self.thumbnail_record is not None:
size = len(self.thumbnail_record) size = len(self.thumbnail_record)
thumbnail = rescale_image(data, size, dimen=MAX_THUMB_DIMEN) thumbnail = rescale_image(data, size, dimen=MAX_THUMB_DIMEN)
if len(thumbnail) <= size:
thumbnail += '\0' * (size - len(thumbnail)) thumbnail += '\0' * (size - len(thumbnail))
self.thumbnail_record[:] = thumbnail self.thumbnail_record[:] = thumbnail
return return