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Fix set_internal_links()

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This commit is contained in:
Kovid Goyal 2012-04-21 07:50:27 +05:30
parent 22ee415241
commit 5d3e24e105
2 changed files with 33 additions and 13 deletions
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4
src/calibre/ebooks/mobi/writer8/main.py
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@ -200,9 +200,9 @@ class KF8Writer(object):
aid = aidbase + j
tag.attrib['aid'] = to_base(aid, base=32)
if tag.tag == XHTML('body'):
self.id_map[(item.href, '')] = (i, tag.attrib['aid'])
self.id_map[(item.href, '')] = tag.attrib['aid']
if id_ is not None:
self.id_map[(item.href, id_)] = (i, tag.attrib['aid'])
self.id_map[(item.href, id_)] = tag.attrib['aid']
j += 1

42
src/calibre/ebooks/mobi/writer8/skeleton.py
View File

@ -172,11 +172,11 @@ class Chunker(object):
body = root.xpath('//body')[0]
body.tail = '\n'
if self.orig_dumps is not None:
self.orig_dumps.append(tostring(root, xml_declaration=True,
if orig_dumps is not None:
orig_dumps.append(tostring(root, xml_declaration=True,
with_tail=True))
self.orig_dumps[-1] = close_self_closing_tags(
self.orig_dumps[-1].replace(b'<html',
orig_dumps[-1] = close_self_closing_tags(
orig_dumps[-1].replace(b'<html',
bytes('<html xmlns="%s"'%XHTML_NS), 1))
# First pass: break up document into rendered strings of length no
@ -336,15 +336,35 @@ class Chunker(object):
num += 1
def set_internal_links(self, text):
# First find the start pos of all tags with aids
aid_map = {}
# A kindle pos:fid link contains two base 32 numbers of the form
# XXXX:YYYYYYYYYY
# The first number is an index into the chunk table and the second is
# an offset from the start of the chunk to the start of the tag pointed
# to by the link.
aid_map = {} # Map of aid to (pos, fid)
for match in re.finditer(br'<[^>]+? aid=[\'"]([A-Z0-9]+)[\'"]', text):
aid_map[match.group(1)] = match.start()
offset = match.start()
pos_fid = None
for chunk in self.chunk_table:
if chunk.insert_pos <= offset < chunk.insert_pos + chunk.length:
pos_fid = (chunk.sequence_number, offset-chunk.insert_pos)
break
if chunk.insert_pos > offset:
# This aid is in the skeleton, not in a chunk, so we use
# the chunk immediately after
pos_fid = (chunk.sequence_number, 0)
break
if pos_fid is None:
raise ValueError('Could not find chunk for aid: %r'%
match.group(1))
aid_map[match.group(1)] = (to_base(chunk.sequence_number,
base=32, min_num_digits=4),
to_href(offset-chunk.insert_pos))
self.aid_offset_map = aid_map
def to_placeholder(x):
file_number, aid = x
return bytes('%04d:%s'%(file_number, to_href(aid_map[aid])))
def to_placeholder(aid):
return bytes(':'.join(aid_map[aid]))
placeholder_map = {bytes(k):to_placeholder(v) for k, v in
self.placeholder_map.iteritems()}
@ -359,7 +379,7 @@ class Chunker(object):
pass
return raw
return re.sub(br'<[^>]+(kindle:pos:fid:\d{4}:\d{10})', sub, text)
return re.sub(br'<[^>]+(kindle:pos:fid:0000:\d{10})', sub, text)
def dump(self, orig_dumps):
import tempfile, shutil, os