def convert_epub3_nav(self, nav_path, opf, log):
from lxml import etree
from calibre.ebooks.chardet import xml_to_unicode
from calibre.ebooks.oeb.polish.parsing import parse
from calibre.ebooks.oeb.base import EPUB_NS, XHTML, NCX_MIME, NCX
from calibre.ebooks.oeb.polish.toc import first_child
from tempfile import NamedTemporaryFile
with lopen(nav_path, 'rb') as f:
raw = f.read()
raw = xml_to_unicode(raw, strip_encoding_pats=True, assume_utf8=True)[0]
root = parse(raw, log=log)
ncx = etree.fromstring('<ncx xmlns="http://www.daisy.org/z3986/2005/ncx/" version="2005-1" xml:lang="eng"><navMap/></ncx>')
navmap = ncx[0]
et = '{%s}type' % EPUB_NS
bn = os.path.basename(nav_path)
def add_from_li(li, parent):
href = text = None
for x in li.iterchildren(XHTML('a'), XHTML('span')):
text = etree.tostring(x, method='text', encoding=unicode, with_tail=False).strip() or ' '.join(x.xpath('descendant-or-self::*/@title')).strip()
href = x.get('href')
if href:
if href.startswith('#'):
href = bn + href
break
np = parent.makeelement(NCX('navPoint'))
parent.append(np)
np.append(np.makeelement(NCX('navLabel')))
np[0].append(np.makeelement(NCX('text')))
np[0][0].text = text
if href:
np.append(np.makeelement(NCX('content'), attrib={'src':href}))
return np
def process_nav_node(node, toc_parent):
for li in node.iterchildren(XHTML('li')):
child = add_from_li(li, toc_parent)
ol = first_child(li, XHTML('ol'))
if child is not None and ol is not None:
process_nav_node(ol, child)
for nav in root.iterdescendants(XHTML('nav')):
if nav.get(et) == 'toc':
ol = first_child(nav, XHTML('ol'))
if ol is not None:
process_nav_node(ol, navmap)
break
else:
return
with NamedTemporaryFile(suffix='.ncx', dir=os.path.dirname(nav_path), delete=False) as f:
f.write(etree.tostring(ncx, encoding='utf-8'))
ncx_id = opf.add_path_to_manifest(f.name, NCX_MIME)
for spine in opf.root.xpath('//*[local-name()="spine"]'):
spine.set('toc', ncx_id)
def convert_epub3_nav(self, nav_path, opf, log):
from lxml import etree
from calibre.ebooks.chardet import xml_to_unicode
from calibre.ebooks.oeb.polish.parsing import parse
from calibre.ebooks.oeb.base import EPUB_NS, XHTML, NCX_MIME, NCX
from calibre.ebooks.oeb.polish.toc import first_child
from tempfile import NamedTemporaryFile
with lopen(nav_path, 'rb') as f:
raw = f.read()
raw = xml_to_unicode(raw, strip_encoding_pats=True, assume_utf8=True)[0]
root = parse(raw, log=log)
ncx = etree.fromstring('<ncx xmlns="http://www.daisy.org/z3986/2005/ncx/" version="2005-1" xml:lang="eng"><navMap/></ncx>')
navmap = ncx[0]
et = '{%s}type' % EPUB_NS
bn = os.path.basename(nav_path)
def add_from_li(li, parent):
href = text = None
for x in li.iterchildren(XHTML('a'), XHTML('span')):
text = etree.tostring(x, method='text', encoding=unicode, with_tail=False).strip() or ' '.join(x.xpath('descendant-or-self::*/@title')).strip()
href = x.get('href')
if href:
if href.startswith('#'):
href = bn + href
break
np = parent.makeelement(NCX('navPoint'))
parent.append(np)
np.append(np.makeelement(NCX('navLabel')))
np[0].append(np.makeelement(NCX('text')))
np[0][0].text = text
if href:
np.append(np.makeelement(NCX('content'), attrib={'src':href}))
return np
def process_nav_node(node, toc_parent):
for li in node.iterchildren(XHTML('li')):
child = add_from_li(li, toc_parent)
ol = first_child(li, XHTML('ol'))
if child is not None and ol is not None:
process_nav_node(ol, child)
for nav in root.iterdescendants(XHTML('nav')):
if nav.get(et) == 'toc':
ol = first_child(nav, XHTML('ol'))
if ol is not None:
process_nav_node(ol, navmap)
break
else:
return
with NamedTemporaryFile(suffix='.ncx', dir=os.path.dirname(nav_path), delete=False) as f:
f.write(etree.tostring(ncx, encoding='utf-8'))
ncx_id = opf.add_path_to_manifest(f.name, NCX_MIME)
for spine in opf.root.xpath('//*[local-name()="spine"]'):
spine.set('toc', ncx_id)
def process_nav_node(node, toc_parent):
for li in node.iterchildren(XHTML('li')):
child = add_from_li(li, toc_parent)
ol = first_child(li, XHTML('ol'))
if child is not None and ol is not None:
process_nav_node(ol, child)
def convert_epub3_nav(self, nav_path, opf, log, opts):
from lxml import etree
from calibre.ebooks.chardet import xml_to_unicode
from calibre.ebooks.oeb.polish.parsing import parse
from calibre.ebooks.oeb.base import EPUB_NS, XHTML, NCX_MIME, NCX, urlnormalize, urlunquote, serialize
from calibre.ebooks.oeb.polish.toc import first_child
from tempfile import NamedTemporaryFile
with lopen(nav_path, 'rb') as f:
raw = f.read()
raw = xml_to_unicode(raw, strip_encoding_pats=True,
assume_utf8=True)[0]
root = parse(raw, log=log)
ncx = etree.fromstring(
'<ncx xmlns="http://www.daisy.org/z3986/2005/ncx/" version="2005-1" xml:lang="eng"><navMap/></ncx>'
)
navmap = ncx[0]
et = '{%s}type' % EPUB_NS
bn = os.path.basename(nav_path)
def add_from_li(li, parent):
href = text = None
for x in li.iterchildren(XHTML('a'), XHTML('span')):
text = etree.tostring(
x, method='text', encoding=unicode,
with_tail=False).strip() or ' '.join(
x.xpath('descendant-or-self::*/@title')).strip()
href = x.get('href')
if href:
if href.startswith('#'):
href = bn + href
break
np = parent.makeelement(NCX('navPoint'))
parent.append(np)
np.append(np.makeelement(NCX('navLabel')))
np[0].append(np.makeelement(NCX('text')))
np[0][0].text = text
if href:
np.append(np.makeelement(NCX('content'), attrib={'src': href}))
return np
def process_nav_node(node, toc_parent):
for li in node.iterchildren(XHTML('li')):
child = add_from_li(li, toc_parent)
ol = first_child(li, XHTML('ol'))
if child is not None and ol is not None:
process_nav_node(ol, child)
for nav in root.iterdescendants(XHTML('nav')):
if nav.get(et) == 'toc':
ol = first_child(nav, XHTML('ol'))
if ol is not None:
process_nav_node(ol, navmap)
break
else:
return
with NamedTemporaryFile(suffix='.ncx',
dir=os.path.dirname(nav_path),
delete=False) as f:
f.write(etree.tostring(ncx, encoding='utf-8'))
ncx_href = os.path.relpath(f.name, os.getcwdu()).replace(os.sep, '/')
ncx_id = opf.create_manifest_item(ncx_href, NCX_MIME,
append=True).get('id')
for spine in opf.root.xpath('//*[local-name()="spine"]'):
spine.set('toc', ncx_id)
opts.epub3_nav_href = urlnormalize(
os.path.relpath(nav_path).replace(os.sep, '/'))
opts.epub3_nav_parsed = root
if getattr(self, 'removed_cover', None):
changed = False
base_path = os.path.dirname(nav_path)
for elem in root.xpath('//*[@href]'):
href, frag = elem.get('href').partition('#')[::2]
link_path = os.path.relpath(
os.path.join(base_path, urlunquote(href)), base_path)
abs_href = urlnormalize(link_path)
if abs_href == self.removed_cover:
changed = True
elem.set('data-calibre-removed-titlepage', '1')
if changed:
with open(nav_path, 'wb') as f:
f.write(serialize(root, 'application/xhtml+xml'))
def process_nav_node(node, toc_parent):
for li in node.iterchildren(XHTML('li')):
child = add_from_li(li, toc_parent)
ol = first_child(li, XHTML('ol'))
if child is not None and ol is not None:
process_nav_node(ol, child)
def convert_epub3_nav(self, nav_path, opf, log, opts):
from lxml import etree
from calibre.ebooks.chardet import xml_to_unicode
from calibre.ebooks.oeb.polish.parsing import parse
from calibre.ebooks.oeb.base import EPUB_NS, XHTML, NCX_MIME, NCX, urlnormalize, urlunquote, serialize
from calibre.ebooks.oeb.polish.toc import first_child
from tempfile import NamedTemporaryFile
with lopen(nav_path, 'rb') as f:
raw = f.read()
raw = xml_to_unicode(raw, strip_encoding_pats=True, assume_utf8=True)[0]
root = parse(raw, log=log)
ncx = etree.fromstring('<ncx xmlns="http://www.daisy.org/z3986/2005/ncx/" version="2005-1" xml:lang="eng"><navMap/></ncx>')
navmap = ncx[0]
et = '{%s}type' % EPUB_NS
bn = os.path.basename(nav_path)
def add_from_li(li, parent):
href = text = None
for x in li.iterchildren(XHTML('a'), XHTML('span')):
text = etree.tostring(x, method='text', encoding=unicode, with_tail=False).strip() or ' '.join(x.xpath('descendant-or-self::*/@title')).strip()
href = x.get('href')
if href:
if href.startswith('#'):
href = bn + href
break
np = parent.makeelement(NCX('navPoint'))
parent.append(np)
np.append(np.makeelement(NCX('navLabel')))
np[0].append(np.makeelement(NCX('text')))
np[0][0].text = text
if href:
np.append(np.makeelement(NCX('content'), attrib={'src':href}))
return np
def process_nav_node(node, toc_parent):
for li in node.iterchildren(XHTML('li')):
child = add_from_li(li, toc_parent)
ol = first_child(li, XHTML('ol'))
if child is not None and ol is not None:
process_nav_node(ol, child)
for nav in root.iterdescendants(XHTML('nav')):
if nav.get(et) == 'toc':
ol = first_child(nav, XHTML('ol'))
if ol is not None:
process_nav_node(ol, navmap)
break
else:
return
with NamedTemporaryFile(suffix='.ncx', dir=os.path.dirname(nav_path), delete=False) as f:
f.write(etree.tostring(ncx, encoding='utf-8'))
ncx_href = os.path.relpath(f.name, os.getcwdu()).replace(os.sep, '/')
ncx_id = opf.create_manifest_item(ncx_href, NCX_MIME, append=True).get('id')
for spine in opf.root.xpath('//*[local-name()="spine"]'):
spine.set('toc', ncx_id)
opts.epub3_nav_href = urlnormalize(os.path.relpath(nav_path).replace(os.sep, '/'))
opts.epub3_nav_parsed = root
if getattr(self, 'removed_cover', None):
changed = False
base_path = os.path.dirname(nav_path)
for elem in root.xpath('//*[@href]'):
href, frag = elem.get('href').partition('#')[::2]
link_path = os.path.relpath(os.path.join(base_path, urlunquote(href)), base_path)
abs_href = urlnormalize(link_path)
if abs_href == self.removed_cover:
changed = True
elem.set('data-calibre-removed-titlepage', '1')
if changed:
with open(nav_path, 'wb') as f:
f.write(serialize(root, 'application/xhtml+xml'))