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This commit is contained in:
Kovid Goyal 2014-03-28 12:50:41 +05:30
parent e18c846e22
commit 8d52fc6fd9
1 changed files with 22 additions and 23 deletions
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15
src/calibre/ebooks/mobi/debug/mobi6.py
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@ -95,13 +95,12 @@ class SecondaryIndexHeader(object): # {{{
if idxt[6:].replace(b'\0', b''): if idxt[6:].replace(b'\0', b''):
raise ValueError('Non null trailing bytes after IDXT') raise ValueError('Non null trailing bytes after IDXT')
def __str__(self): def __str__(self):
ans = ['*'*20 + ' Secondary Index Header '+ '*'*20] ans = ['*'*20 + ' Secondary Index Header '+ '*'*20]
a = ans.append a = ans.append
def u(w): def u(w):
a('Unknown: %r (%d bytes) (All zeros: %r)'%(w, a('Unknown: %r (%d bytes) (All zeros: %r)'%(w,
len(w), not bool(w.replace(b'\0', b'')) )) len(w), not bool(w.replace(b'\0', b''))))
a('Header length: %d'%self.header_length) a('Header length: %d'%self.header_length)
u(self.unknown1) u(self.unknown1)
@ -196,13 +195,12 @@ class IndexHeader(object): # {{{
if idxt[6:].replace(b'\0', b''): if idxt[6:].replace(b'\0', b''):
raise ValueError('Non null trailing bytes after IDXT') raise ValueError('Non null trailing bytes after IDXT')
def __str__(self): def __str__(self):
ans = ['*'*20 + ' Index Header (%d bytes)'%len(self.record.raw)+ '*'*20] ans = ['*'*20 + ' Index Header (%d bytes)'%len(self.record.raw)+ '*'*20]
a = ans.append a = ans.append
def u(w): def u(w):
a('Unknown: %r (%d bytes) (All zeros: %r)'%(w, a('Unknown: %r (%d bytes) (All zeros: %r)'%(w,
len(w), not bool(w.replace(b'\0', b'')) )) len(w), not bool(w.replace(b'\0', b''))))
a('Header length: %d'%self.header_length) a('Header length: %d'%self.header_length)
u(self.unknown1) u(self.unknown1)
@ -413,7 +411,7 @@ class IndexRecord(object): # {{{
a = ans.append a = ans.append
def u(w): def u(w):
a('Unknown: %r (%d bytes) (All zeros: %r)'%(w, a('Unknown: %r (%d bytes) (All zeros: %r)'%(w,
len(w), not bool(w.replace(b'\0', b'')) )) len(w), not bool(w.replace(b'\0', b''))))
for entry in self.indices: for entry in self.indices:
offset = entry.offset offset = entry.offset
a(str(entry)) a(str(entry))
@ -555,7 +553,8 @@ class TBSIndexing(object): # {{{
def get_index(self, idx): def get_index(self, idx):
for i in self.indices: for i in self.indices:
if i.index in {idx, unicode(idx)}: return i if i.index in {idx, unicode(idx)}:
return i
raise IndexError('Index %d not found'%idx) raise IndexError('Index %d not found'%idx)
def __str__(self): def __str__(self):
@ -568,7 +567,8 @@ class TBSIndexing(object): # {{{
types = defaultdict(list) types = defaultdict(list)
for r, dat in self.record_indices.iteritems(): for r, dat in self.record_indices.iteritems():
tbs_type, strings = self.dump_record(r, dat) tbs_type, strings = self.dump_record(r, dat)
if tbs_type == 0: continue if tbs_type == 0:
continue
types[tbs_type] += strings types[tbs_type] += strings
for typ, strings in types.iteritems(): for typ, strings in types.iteritems():
with open(os.path.join(bdir, 'tbs_type_%d.txt'%typ), 'wb') as f: with open(os.path.join(bdir, 'tbs_type_%d.txt'%typ), 'wb') as f:
@ -742,7 +742,6 @@ class MOBIFile(object): # {{{
self.records[sir+1:sir+1+numi], self.secondary_index_header, self.cncx) self.records[sir+1:sir+1+numi], self.secondary_index_header, self.cncx)
self.indexing_record_nums |= set(xrange(sir+1, sir+1+numi)) self.indexing_record_nums |= set(xrange(sir+1, sir+1+numi))
ntr = self.mobi_header.number_of_text_records ntr = self.mobi_header.number_of_text_records
fntbr = self.mobi_header.first_non_book_record fntbr = self.mobi_header.first_non_book_record
fii = self.mobi_header.first_image_index fii = self.mobi_header.first_image_index