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EPUB metadata: Handle multiple title elements when setting titles

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EPUB metadata: When changing the title in an EPUB 2.0 file that has
multiple titles, remove the extra titles. Fixes #1211949 [Private bug](https://bugs.launchpad.net/calibre/+bug/1211949)
This commit is contained in:
Kovid Goyal 2013-08-26 15:14:09 +05:30
parent ed35c29f69
commit 8a1f46a389
1 changed files with 24 additions and 5 deletions
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29
src/calibre/ebooks/metadata/opf2.py
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@ -518,7 +518,6 @@ class OPF(object): # {{{
spine_path = XPath('descendant::*[re:match(name(), "spine", "i")]/*[re:match(name(), "itemref", "i")]') spine_path = XPath('descendant::*[re:match(name(), "spine", "i")]/*[re:match(name(), "itemref", "i")]')
guide_path = XPath('descendant::*[re:match(name(), "guide", "i")]/*[re:match(name(), "reference", "i")]') guide_path = XPath('descendant::*[re:match(name(), "guide", "i")]/*[re:match(name(), "reference", "i")]')
title = MetadataField('title', formatter=lambda x: re.sub(r'\s+', ' ', x))
publisher = MetadataField('publisher') publisher = MetadataField('publisher')
comments = MetadataField('description') comments = MetadataField('description')
category = MetadataField('type') category = MetadataField('type')
@ -781,6 +780,29 @@ class OPF(object): # {{{
for item in self.iterguide(): for item in self.iterguide():
item.set('href', get_href(item)) item.set('href', get_href(item))
@dynamic_property
def title(self):
# TODO: Add support for EPUB 3 refinements
def fget(self):
for elem in self.title_path(self.metadata):
title = self.get_text(elem)
if title and title.strip():
return re.sub(r'\s+', ' ', title.strip())
def fset(self, val):
val = (val or '').strip()
titles = self.title_path(self.metadata)
if not val or self.package_version < 3:
for title in titles:
title.getparent().remove(title)
if val:
titles = self.title_path(self.metadata)
title = titles[0] if titles else self.create_metadata_element('title')
title.text = re.sub(r'\s+', ' ', unicode(val))
return property(fget=fget, fset=fset)
@dynamic_property @dynamic_property
def authors(self): def authors(self):
@ -1132,10 +1154,7 @@ class OPF(object): # {{{
def get_metadata_element(self, name): def get_metadata_element(self, name):
matches = self.metadata_elem_path(self.metadata, name=name) matches = self.metadata_elem_path(self.metadata, name=name)
if matches: if matches:
num = -1 return matches[-1]
if self.package_version >= 3 and name == 'title':
num = 0
return matches[num]
def create_metadata_element(self, name, attrib=None, is_dc=True): def create_metadata_element(self, name, attrib=None, is_dc=True):
if is_dc: if is_dc: