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ODT Input: Extract CSS into an external stylesheet

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This commit is contained in:
Kovid Goyal 2012-01-28 16:18:39 +05:30
parent 7cc96d1203
commit 565fc2d479
1 changed files with 27 additions and 2 deletions
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29
src/calibre/ebooks/odt/input.py
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@ -29,14 +29,38 @@ class Extract(ODF2XHTML):
root = etree.fromstring(html)
self.epubify_markup(root, log)
self.filter_css(root, log)
self.extract_css(root)
html = etree.tostring(root, encoding='utf-8',
xml_declaration=True)
return html
def extract_css(self, root):
ans = []
for s in root.xpath('//*[local-name() = "style" and @type="text/css"]'):
ans.append(s.text)
s.getparent().remove(s)
head = root.xpath('//*[local-name() = "head"]')
if head:
head = head[0]
ns = head.nsmap.get(None, '')
if ns:
ns = '{%s}'%ns
etree.SubElement(head, ns+'link', {'type':'text/css',
'rel':'stylesheet', 'href':'odfpy.css'})
with open('odfpy.css', 'wb') as f:
f.write((u'\n\n'.join(ans)).encode('utf-8'))
def epubify_markup(self, root, log):
from calibre.ebooks.oeb.base import XPath, XHTML
# Fix empty title tags
for t in XPath('//h:title')(root):
if not t.text:
t.text = u' '
# Fix <p><div> constructs as the asinine epubchecker complains
# about them
from calibre.ebooks.oeb.base import XPath, XHTML
pdiv = XPath('//h:p/h:div')
for div in pdiv(root):
div.getparent().tag = XHTML('div')
@ -146,7 +170,8 @@ class Extract(ODF2XHTML):
if not mi.authors:
mi.authors = [_('Unknown')]
opf = OPFCreator(os.path.abspath(os.getcwdu()), mi)
opf.create_manifest([(os.path.abspath(f), None) for f in walk(os.getcwd())])
opf.create_manifest([(os.path.abspath(f), None) for f in
walk(os.getcwdu())])
opf.create_spine([os.path.abspath('index.xhtml')])
with open('metadata.opf', 'wb') as f:
opf.render(f)