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GRiker 2010-03-27 05:04:06 -07:00
parent f7108d173b
commit 9ec2940174
1 changed files with 22 additions and 16 deletions
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38
src/calibre/ebooks/mobi/reader.py
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@ -127,7 +127,6 @@ class BookHeader(object):
self.length, self.type, self.codepage, self.unique_id, \ self.length, self.type, self.codepage, self.unique_id, \
self.version = struct.unpack('>LLLLL', raw[20:40]) self.version = struct.unpack('>LLLLL', raw[20:40])
try: try:
self.codec = { self.codec = {
1252: 'cp1252', 1252: 'cp1252',
@ -154,24 +153,31 @@ class BookHeader(object):
sublangid = (langcode >> 10) & 0xFF sublangid = (langcode >> 10) & 0xFF
self.language = main_language.get(langid, 'ENGLISH') self.language = main_language.get(langid, 'ENGLISH')
self.sublanguage = sub_language.get(sublangid, 'NEUTRAL') self.sublanguage = sub_language.get(sublangid, 'NEUTRAL')
self.mobi_version = struct.unpack('>I', raw[0x68:0x6c])[0]
self.first_image_index = struct.unpack('>L', raw[0x6c:0x6c + 4])[0]
self.exth_flag, = struct.unpack('>L', raw[0x80:0x84]) if ident == 'TEXTREAD':
self.exth = None self.mobi_version = 1
if not isinstance(self.title, unicode): self.first_image_index = -1
self.title = self.title.decode(self.codec, 'replace') self.exth_flag = 0
if self.exth_flag & 0x40: self.exth = None
try: else:
self.exth = EXTHHeader(raw[16 + self.length:], self.codec, self.title) self.mobi_version = struct.unpack('>I', raw[0x68:0x6c])[0]
self.exth.mi.uid = self.unique_id self.first_image_index = struct.unpack('>L', raw[0x6c:0x6c + 4])[0]
self.exth_flag, = struct.unpack('>L', raw[0x80:0x84])
self.exth = None
if not isinstance(self.title, unicode):
self.title = self.title.decode(self.codec, 'replace')
if self.exth_flag & 0x40:
try: try:
self.exth.mi.language = mobi2iana(langid, sublangid) self.exth = EXTHHeader(raw[16 + self.length:], self.codec, self.title)
self.exth.mi.uid = self.unique_id
try:
self.exth.mi.language = mobi2iana(langid, sublangid)
except:
self.log.exception("'%s': Unknown language code" % getattr(stream, 'name', 'Unnamed stream'))
except: except:
self.log.exception("'%s': Unknown language code" % getattr(stream, 'name', 'Unnamed stream')) self.log.exception("'%s': Invalid EXTH header" % getattr(stream, 'name', 'Unnamed stream'))
except: self.exth_flag = 0
self.log.exception("'%s': Invalid EXTH header" % getattr(stream, 'name', 'Unnamed stream'))
self.exth_flag = 0
class MetadataHeader(BookHeader): class MetadataHeader(BookHeader):