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Fix #6136 (epub-fix fails on ePub check)

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This commit is contained in:
Kovid Goyal 2010-07-10 06:37:49 -06:00
parent 3bcf57e814
commit 3bf6888b34
1 changed files with 21 additions and 3 deletions
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24
src/calibre/ebooks/epub/fix/container.py
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@ -5,7 +5,7 @@ __license__ = 'GPL v3'
__copyright__ = '2010, Kovid Goyal <kovid@kovidgoyal.net>'
__docformat__ = 'restructuredtext en'
import os, posixpath, urllib, sys
import os, posixpath, urllib, sys, re
from lxml import etree
@ -160,8 +160,26 @@ class Container(object):
mt = mimetype.lower()
if mt.endswith('+xml'):
parser = etree.XMLParser(no_network=True, huge_tree=not iswindows)
return etree.fromstring(xml_to_unicode(raw,
strip_encoding_pats=True, assume_utf8=True)[0], parser=parser)
raw = xml_to_unicode(raw,
strip_encoding_pats=True, assume_utf8=True,
resolve_entities=True)[0].strip()
idx = raw.find('<html')
if idx == -1:
idx = raw.find('<HTML')
if idx > -1:
pre = raw[:idx]
raw = raw[idx:]
if '<!DOCTYPE' in pre:
user_entities = {}
for match in re.finditer(r'<!ENTITY\s+(\S+)\s+([^>]+)', pre):
val = match.group(2)
if val.startswith('"') and val.endswith('"'):
val = val[1:-1]
user_entities[match.group(1)] = val
if user_entities:
pat = re.compile(r'&(%s);'%('|'.join(user_entities.keys())))
raw = pat.sub(lambda m:user_entities[m.group(1)], raw)
return etree.fromstring(raw, parser=parser)
return raw
def write(self, path):