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Catalog generation: Do not crash is a book in the library has no uuid. Fixes #1565242 [Generate catalog fails](https://bugs.launchpad.net/calibre/+bug/1565242)

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This commit is contained in:
Kovid Goyal 2016-04-02 16:01:23 +05:30
parent a951180190
commit 0a5d6a3bf4
1 changed files with 29 additions and 27 deletions
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8
src/calibre/library/catalogs/epub_mobi_builder.py
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@ -4341,16 +4341,18 @@ class CatalogBuilder(object):
cover_crc = hex(zlib.crc32(data))
# Test cache for uuid
uuid = title.get('uuid')
if uuid:
zf = _open_archive()
if zf is not None:
with zf:
try:
zf.getinfo(title['uuid'] + cover_crc)
zf.getinfo(uuid + cover_crc)
except:
pass
else:
# uuid found in cache with matching crc
thumb_data = zf.read(title['uuid'] + cover_crc)
thumb_data = zf.read(uuid + cover_crc)
with open(os.path.join(image_dir, thumb_file), 'wb') as f:
f.write(thumb_data)
return
@ -4369,7 +4371,7 @@ class CatalogBuilder(object):
zf = _open_archive('a')
if zf is not None:
with zf:
zf.writestr(title['uuid'] + cover_crc, thumb_data)
zf.writestr(uuid + cover_crc, thumb_data)
def generate_thumbnails(self):
""" Generate a thumbnail cover for each book.