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When upgrading EPUB 2 to EPUB 3 add the epub namespace to all HTML files, for convenience. Fixes #1765944 [Editor:EPUB2 to EPUB3 tool enhancement](https://bugs.launchpad.net/calibre/+bug/1765944)

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Kovid Goyal 2018-04-22 09:39:50 +05:30
parent 24ece3b623
commit 7d6a4d54c1
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GPG Key ID: 06BC317B515ACE7C
2 changed files with 15 additions and 7 deletions
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14
src/calibre/ebooks/oeb/parse_utils.py
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@ -146,6 +146,15 @@ def clean_word_doc(data, log):
return data
def ensure_namespace_prefixes(node, nsmap):
namespace_uris = frozenset(nsmap.itervalues())
fnsmap = {k:v for k, v in node.nsmap.iteritems() if v not in namespace_uris}
fnsmap.update(nsmap)
if fnsmap != dict(node.nsmap):
node = clone_element(node, nsmap=fnsmap, in_context=False)
return node
class HTML5Doc(ValueError):
pass
@ -307,11 +316,8 @@ def parse_html(data, log=None, decoder=None, preprocessor=None,
nroot.append(elem)
data = nroot
fnsmap = {k:v for k, v in data.nsmap.iteritems() if v != XHTML_NS}
fnsmap[None] = XHTML_NS
if fnsmap != dict(data.nsmap):
# Remove non default prefixes referring to the XHTML namespace
data = clone_element(data, nsmap=fnsmap, in_context=False)
data = ensure_namespace_prefixes(data, {None: XHTML_NS})
data = merge_multiple_html_heads_and_bodies(data, log)
# Ensure has a <head/>

6
src/calibre/ebooks/oeb/polish/upgrade.py
View File

@ -7,7 +7,8 @@ from __future__ import absolute_import, division, print_function, unicode_litera
import sys
from calibre.ebooks.metadata.opf_2_to_3 import upgrade_metadata
from calibre.ebooks.oeb.base import OEB_DOCS, xpath
from calibre.ebooks.oeb.base import EPUB_NS, OEB_DOCS, xpath
from calibre.ebooks.oeb.parse_utils import ensure_namespace_prefixes
from calibre.ebooks.oeb.polish.container import OEB_FONTS
from calibre.ebooks.oeb.polish.opf import get_book_language
from calibre.ebooks.oeb.polish.toc import (
@ -36,8 +37,9 @@ def collect_properties(container):
continue
name = container.href_to_name(item.get('href'), container.opf_name)
root = container.parsed(name)
root = ensure_namespace_prefixes(root, {'epub': EPUB_NS})
properties = set()
container.dirty(name) # Ensure entities are converted
container.replace(name, root) # Ensure entities are converted
if xpath(root, '//svg:svg'):
properties.add('svg')
if xpath(root, '//h:script'):