Fix cache problem where merging metadata did not values explicitly set to None, such as erasing series.

This commit is contained in:
Charles Haley 2010-07-15 21:28:52 +01:00
parent 09490d2b0a
commit 447afcdd08
3 changed files with 20 additions and 11 deletions

View File

@ -78,7 +78,7 @@ class Book(MetaInformation):
in C{other} takes precedence, unless the information in C{other} is NULL.
'''
MetaInformation.smart_update(self, other, replace_tags=True)
MetaInformation.smart_update(self, other, replace_metadata=True)
for attr in self.BOOK_ATTRS:
if hasattr(other, attr):

View File

@ -268,10 +268,12 @@ class MetaInformation(object):
):
prints(x, getattr(self, x, 'None'))
def smart_update(self, mi, replace_tags=False):
def smart_update(self, mi, replace_metadata=False):
'''
Merge the information in C{mi} into self. In case of conflicts, the information
in C{mi} takes precedence, unless the information in mi is NULL.
Merge the information in C{mi} into self. In case of conflicts, the
information in C{mi} takes precedence, unless the information in mi is
NULL. If replace_metadata is True, then the information in mi always
takes precedence.
'''
if mi.title and mi.title != _('Unknown'):
self.title = mi.title
@ -285,13 +287,15 @@ class MetaInformation(object):
'cover', 'guide', 'book_producer',
'timestamp', 'lccn', 'lcc', 'ddc', 'pubdate', 'rights',
'publication_type', 'uuid'):
if hasattr(mi, attr):
if replace_metadata:
setattr(self, attr, getattr(mi, attr, None))
elif hasattr(mi, attr):
val = getattr(mi, attr)
if val is not None:
setattr(self, attr, val)
if mi.tags:
if replace_tags:
if replace_metadata:
self.tags = mi.tags
else:
self.tags += mi.tags

View File

@ -1439,7 +1439,8 @@ class DeviceMixin(object): # {{{
for book in booklist:
if getattr(book, 'uuid', None) in self.db_book_uuid_cache:
if update_metadata:
book.smart_update(self.db_book_uuid_cache[book.uuid])
book.smart_update(self.db_book_uuid_cache[book.uuid],
replace_metadata=True)
book.in_library = True
# ensure that the correct application_id is set
book.application_id = \
@ -1454,12 +1455,14 @@ class DeviceMixin(object): # {{{
if getattr(book, 'application_id', None) in d['db_ids']:
book.in_library = True
if update_metadata:
book.smart_update(d['db_ids'][book.application_id])
book.smart_update(d['db_ids'][book.application_id],
replace_metadata=True)
continue
if book.db_id in d['db_ids']:
book.in_library = True
if update_metadata:
book.smart_update(d['db_ids'][book.db_id])
book.smart_update(d['db_ids'][book.db_id],
replace_metadata=True)
continue
if book.authors:
# Compare against both author and author sort, because
@ -1469,11 +1472,13 @@ class DeviceMixin(object): # {{{
if book_authors in d['authors']:
book.in_library = True
if update_metadata:
book.smart_update(d['authors'][book_authors])
book.smart_update(d['authors'][book_authors],
replace_metadata=True)
elif book_authors in d['author_sort']:
book.in_library = True
if update_metadata:
book.smart_update(d['author_sort'][book_authors])
book.smart_update(d['author_sort'][book_authors],
replace_metadata=True)
# Set author_sort if it isn't already
asort = getattr(book, 'author_sort', None)
if not asort and book.authors: