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EPUB Output: Generate a default one entry TOC if no TOC is present. This allows the EPUB to pass epubcheck and work on the Kobo

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Kovid Goyal 2010-05-28 13:57:01 -06:00
parent af48c67fc7
commit 95229025ad
1 changed files with 16 additions and 7 deletions
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23
src/calibre/ebooks/epub/output.py
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@ -106,7 +106,7 @@ class EPUBOutput(OutputFormatPlugin):
recommendations = set([('pretty_print', True, OptionRecommendation.HIGH)])
def workaround_webkit_quirks(self):
def workaround_webkit_quirks(self): # {{{
from calibre.ebooks.oeb.base import XPath
for x in self.oeb.spine:
root = x.data
@ -120,8 +120,9 @@ class EPUBOutput(OutputFormatPlugin):
for pre in XPath('//h:pre')(body):
if not pre.text and len(pre) == 0:
pre.tag = 'div'
# }}}
def upshift_markup(self):
def upshift_markup(self): # {{{
'Upgrade markup to comply with XHTML 1.1 where possible'
from calibre.ebooks.oeb.base import XPath
for x in self.oeb.spine:
@ -135,6 +136,7 @@ class EPUBOutput(OutputFormatPlugin):
for u in XPath('//h:u')(root):
u.tag = 'span'
u.set('style', 'text-decoration:underline')
# }}}
def convert(self, oeb, output_path, input_plugin, opts, log):
self.log, self.opts, self.oeb = log, opts, oeb
@ -161,8 +163,10 @@ class EPUBOutput(OutputFormatPlugin):
self.workaround_sony_quirks()
if self.oeb.toc.count() == 0:
self.log.warn('This EPUB file has no Table of Contents. It will '
'not validate via epubcheck')
self.log.warn('This EPUB file has no Table of Contents. '
'Creating a default TOC')
first = iter(self.oeb.spine).next()
self.oeb.toc.add(_('Start'), first.href)
from calibre.ebooks.oeb.base import OPF
identifiers = oeb.metadata['identifier']
@ -202,7 +206,7 @@ class EPUBOutput(OutputFormatPlugin):
self.log.info('EPUB extracted to', opts.extract_to)
epub.close()
def encrypt_fonts(self, uris, tdir, uuid):
def encrypt_fonts(self, uris, tdir, uuid): # {{{
from binascii import unhexlify
key = re.sub(r'[^a-fA-F0-9]', '', uuid)
@ -247,6 +251,7 @@ class EPUBOutput(OutputFormatPlugin):
ans += (u'\n'.join(fonts)).encode('utf-8')
ans += '\n</encryption>'
return ans
# }}}
def condense_ncx(self, ncx_path):
if not self.opts.pretty_print:
@ -259,7 +264,7 @@ class EPUBOutput(OutputFormatPlugin):
compressed = etree.tostring(tree.getroot(), encoding='utf-8')
open(ncx_path, 'wb').write(compressed)
def workaround_ade_quirks(self):
def workaround_ade_quirks(self): # {{{
'''
Perform various markup transforms to get the output to render correctly
in the quirky ADE.
@ -388,8 +393,9 @@ class EPUBOutput(OutputFormatPlugin):
else:
self.oeb.log.warn('No stylesheet found')
# }}}
def workaround_sony_quirks(self):
def workaround_sony_quirks(self): # {{{
'''
Perform toc link transforms to alleviate slow loading.
'''
@ -436,3 +442,6 @@ class EPUBOutput(OutputFormatPlugin):
if self.oeb.toc:
simplify_toc_entry(self.oeb.toc)
# }}}