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Edit Book: Add check for spine items with incorrect media-type specified in the manifest

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Kovid Goyal 2014-01-28 11:05:17 +05:30
parent 77edd3a7a9
commit 119108371c
1 changed files with 35 additions and 1 deletions
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36
src/calibre/ebooks/oeb/polish/check/opf.py
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@ -11,7 +11,7 @@ from lxml import etree
from calibre import prepare_string_for_xml as xml
from calibre.ebooks.oeb.polish.check.base import BaseError, WARN
from calibre.ebooks.oeb.polish.utils import guess_type
from calibre.ebooks.oeb.base import OPF, OPF2_NS, DC, DC11_NS
from calibre.ebooks.oeb.base import OPF, OPF2_NS, DC, DC11_NS, XHTML_MIME
class MissingSection(BaseError):
@ -169,6 +169,27 @@ class NoUID(BaseError):
container.dirty(container.opf_name)
return True
class BadSpineMime(BaseError):
def __init__(self, name, iid, mt, lnum, opf_name):
BaseError.__init__(self, _('Incorrect media-type for spine item'), opf_name, lnum)
self.HELP = _(
'The item {0} present in the spine has the media-type {1}. '
' Most ebook software cannot handle non-HTML spine items. '
' If the item is actually HTML, you should change its media-type to {2}.'
' If it is not-HTML you should consider replacing it with an HTML item, as it'
' is unlikely to work in most readers.').format(name, mt, XHTML_MIME)
if iid is not None:
self.INDIVIDUAL_FIX = _('Change the media-type to %s') % XHTML_MIME
self.iid = iid
def __call__(self, container):
container.opf_xpath('/opf:package/opf:manifest/opf:item[@id=%r]' % self.iid)[0].set(
'media-type', XHTML_MIME)
container.dirty(container.opf_name)
container.refresh_mime_map()
return True
def check_opf(container):
errors = []
@ -246,4 +267,17 @@ def check_opf(container):
if uid is None or not container.opf_xpath('/opf:package/opf:metadata/dc:identifier[@id=%r]' % uid):
errors.append(NoUID(container.opf_name))
for item, name, linear in container.spine_iter:
mt = container.mime_map[name]
if mt != XHTML_MIME:
iid = item.get('idref', None)
lnum = None
if iid:
mitem = container.opf_xpath('/opf:package/opf:manifest/opf:item[@id=%r]' % iid)
if mitem:
lnum = mitem[0].sourceline
else:
iid = None
errors.append(BadSpineMime(name, iid, mt, lnum, container.opf_name))
return errors