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Deal with the two thumbnail formats

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This commit is contained in:
Charles Haley 2010-09-12 22:44:36 +01:00
parent 171ac9488a
commit e73b688ca8
1 changed files with 7 additions and 1 deletions
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8
src/calibre/ebooks/metadata/book/json_codec.py
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@ -12,6 +12,7 @@ from calibre.ebooks.metadata.book import SERIALIZABLE_FIELDS
from calibre.constants import filesystem_encoding, preferred_encoding
from calibre.library.field_metadata import FieldMetadata
from calibre.utils.date import parse_date, isoformat, UNDEFINED_DATE
from calibre.utils.magick.draw import identify_data
from calibre import isbytestring
# Translate datetimes to and from strings. The string form is the datetime in
@ -32,7 +33,12 @@ def encode_thumbnail(thumbnail):
'''
if thumbnail is None:
return None
return (thumbnail[0], thumbnail[1], b64encode(str(thumbnail[2])))
if isinstance(thumbnail, tuple):
try:
thumbnail = identify_data(thumbnail)
except:
return None
return (0, 0, b64encode(str(thumbnail)))
def decode_thumbnail(tup):
'''