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PDB Input: Ingore malformed metadata records. Fixes #1499878 [Plucker pdb files fail to load](https://bugs.launchpad.net/calibre/+bug/1499878)

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This commit is contained in:
Kovid Goyal 2015-09-26 08:47:42 +05:30
parent 648b73541a
commit ffff07bdd3
2 changed files with 8 additions and 4 deletions
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6
src/calibre/ebooks/metadata/plucker.py
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@ -44,8 +44,10 @@ def get_metadata(stream, extract_cover=True):
author = None author = None
pubdate = 0 pubdate = 0
for i in xrange(record_count): for i in xrange(record_count):
type, = struct.unpack('>H', section_data[2+adv:4+adv]) try:
length, = struct.unpack('>H', section_data[4+adv:6+adv]) type, length = struct.unpack_from('>HH', section_data, 2 + adv)
except struct.error:
break
# CharSet # CharSet
if type == 1: if type == 1:

6
src/calibre/ebooks/pdb/plucker/reader.py
View File

@ -199,8 +199,10 @@ class SectionMetadata(object):
adv = 0 adv = 0
for i in xrange(record_count): for i in xrange(record_count):
type, = struct.unpack('>H', raw[2+adv:4+adv]) try:
length, = struct.unpack('>H', raw[4+adv:6+adv]) type, length = struct.unpack_from('>HH', raw, 2 + adv)
except struct.error:
break
# CharSet # CharSet
if type == 1: if type == 1: