mirror of
https://github.com/kovidgoyal/calibre.git
synced 2025-10-31 10:37:00 -04:00
95 lines
3.4 KiB
Python
95 lines
3.4 KiB
Python
#!/usr/bin/env python
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# vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
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from __future__ import with_statement
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__license__ = 'GPL v3'
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__copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'
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__docformat__ = 'restructuredtext en'
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import os, time, glob
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from lxml import etree
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from sphinx.builders.epub import EpubBuilder
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class EPUBHelpBuilder(EpubBuilder):
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name = 'myepub'
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def add_cover(self, outdir, cover_fname):
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href = '_static/'+cover_fname
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opf = os.path.join(self.outdir, 'content.opf')
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cover = '''\
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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<meta name="calibre:cover" content="true" />
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<title>Cover</title>
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<style type="text/css" title="override_css">
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@page {padding: 0pt; margin:0pt}
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body { text-align: center; padding:0pt; margin: 0pt; }
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</style>
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</head>
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<body>
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<svg version="1.1" xmlns="http://www.w3.org/2000/svg"
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xmlns:xlink="http://www.w3.org/1999/xlink"
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width="100%%" height="100%%" viewBox="0 0 600 800"
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preserveAspectRatio="none">
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<image width="600" height="800" xlink:href="%s"/>
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</svg>
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</body>
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</html>
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'''%href
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self.files.append('epub_titlepage.html')
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open(os.path.join(outdir, self.files[-1]), 'wb').write(cover)
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raw = open(opf, 'rb').read()
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raw = raw.replace('</metadata>',
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('<meta name="cover" content="%s"/>\n'
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'<dc:date>%s</dc:date>\n</metadata>') %
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(href.replace('/', '_'), time.strftime('%Y-%m-%d')))
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raw = raw.replace('</manifest>',
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('<item id="{0}" href="{0}" media-type="application/xhtml+xml"/>\n</manifest>').\
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format('epub_titlepage.html'))
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open(opf, 'wb').write(raw)
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def build_epub(self, outdir, *args, **kwargs):
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if self.config.kovid_epub_cover:
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self.add_cover(outdir, self.config.kovid_epub_cover)
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self.fix_duplication_bugs(outdir)
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EpubBuilder.build_epub(self, outdir, *args, **kwargs)
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def fix_duplication_bugs(self, outdir):
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opf = glob.glob(outdir+os.sep+'*.opf')[0]
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root = etree.fromstring(open(opf, 'rb').read())
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seen = set()
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for x in root.xpath(
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'//*[local-name()="spine"]/*[local-name()="itemref"]'):
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idref = x.get('idref')
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if idref in seen:
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x.getparent().remove(x)
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else:
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seen.add(idref)
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with open(opf, 'wb') as f:
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f.write(etree.tostring(root, encoding='utf-8', xml_declaration=True))
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ncx = glob.glob(outdir+os.sep+'*.ncx')[0]
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root = etree.fromstring(open(ncx, 'rb').read())
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seen = set()
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for x in root.xpath(
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'//*[local-name()="navMap"]/*[local-name()="navPoint"]'):
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text = x.xpath('descendant::*[local-name()="text"]')[0]
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text = text.text
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if text in seen:
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x.getparent().remove(x)
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else:
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seen.add(text)
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with open(ncx, 'wb') as f:
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f.write(etree.tostring(root, encoding='utf-8', xml_declaration=True))
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