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FB2 metadata: Ignore invalid (unidentifiable) cover images. See #1548417 (Exception: Read Exception `' @ error/png.c/MagickPNGErrorHandler/1630)

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Kovid Goyal 2016-02-23 11:37:21 +05:30
parent dd73cc7a3d
commit efcd5b78ae
1 changed files with 4 additions and 3 deletions
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7
src/calibre/ebooks/metadata/fb2.py
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@ -13,7 +13,7 @@ from base64 import b64encode
from lxml import etree from lxml import etree
from calibre.utils.date import parse_only_date from calibre.utils.date import parse_only_date
from calibre.utils.magick.draw import save_cover_data_to from calibre.utils.magick.draw import save_cover_data_to, identify_data
from calibre import guess_type, guess_all_extensions, prints, force_unicode from calibre import guess_type, guess_all_extensions, prints, force_unicode
from calibre.ebooks.metadata import MetaInformation, check_isbn from calibre.ebooks.metadata import MetaInformation, check_isbn
from calibre.ebooks.chardet import xml_to_unicode from calibre.ebooks.chardet import xml_to_unicode
@ -210,8 +210,9 @@ def _parse_cover_data(root, imgid, mi, ctx):
if mime_extensions: if mime_extensions:
pic_data = elm_binary[0].text pic_data = elm_binary[0].text
if pic_data: if pic_data:
mi.cover_data = (mime_extensions[0][1:], cdata = base64_decode(pic_data.strip())
base64_decode(pic_data.strip())) fmt = identify_data(cdata)[-1]
mi.cover_data = (fmt, cdata)
else: else:
prints("WARNING: Unsupported coverpage mime-type '%s' (id=#%s)" % (mimetype, imgid)) prints("WARNING: Unsupported coverpage mime-type '%s' (id=#%s)" % (mimetype, imgid))