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Edit book: When autofixing file extensions <-> mimetype mismatch, if the file in question is int he spine, chage the file extension rather than the mimetype, as that is more likely to be the correct fix.

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Kovid Goyal 2014-02-16 12:46:33 +05:30
parent 0e3e6aaa36
commit 634003eea4
1 changed files with 24 additions and 9 deletions
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33
src/calibre/ebooks/oeb/polish/check/links.py
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@ -125,18 +125,33 @@ class MimetypeMismatch(BaseError):
' The recommended mimetype for files with the extension "{2}" is {3}.'
' You should change either the file extension or the mimetype in the OPF.').format(
name, opf_mt, ext, ext_mt)
self.INDIVIDUAL_FIX = _('Change the mimetype for this file in the OPF to %s') % ext_mt
if opf_mt in OEB_DOCS and name in {n for n, l in container.spine_names}:
self.INDIVIDUAL_FIX = _('Change the file extension to .xhtml')
self.change_ext_to = 'xhtml'
else:
self.INDIVIDUAL_FIX = _('Change the mimetype for this file in the OPF to %s') % ext_mt
self.change_ext_to = None
def __call__(self, container):
changed = False
for item in container.opf_xpath('//opf:manifest/opf:item[@href and @media-type="%s"]' % self.opf_mt):
name = container.href_to_name(item.get('href'), container.opf_name)
if name == self.file_name:
changed = True
item.set('media-type', self.ext_mt)
container.mime_map[name] = self.ext_mt
if changed:
container.dirty(container.opf_name)
if self.change_ext_to is not None:
from calibre.ebooks.oeb.polish.replace import rename_files
new_name = self.file_name.rpartition('.')[0] + '.' + self.change_ext_to
c = 0
while container.has_name(new_name):
c += 1
new_name = self.file_name.rpartition('.')[0] + ('%d.' % c) + self.change_ext_to
rename_files(container, {self.file_name:new_name})
changed = True
else:
for item in container.opf_xpath('//opf:manifest/opf:item[@href and @media-type="%s"]' % self.opf_mt):
name = container.href_to_name(item.get('href'), container.opf_name)
if name == self.file_name:
changed = True
item.set('media-type', self.ext_mt)
container.mime_map[name] = self.ext_mt
if changed:
container.dirty(container.opf_name)
return changed
def check_mimetypes(container):