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When doing device book matching: on UUID matches, generate covers only if the last_modified date of the book in the db is later than the date on the book on the device, or if existing thumbnail is not the size that the device asked for.

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This commit is contained in:
Charles Haley 2013-01-21 09:35:39 +01:00
parent 9e1627569f
commit d2866a2208
1 changed files with 24 additions and 33 deletions
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55
src/calibre/gui2/device.py
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@ -1661,9 +1661,11 @@ class DeviceMixin(object): # {{{
update_metadata = device_prefs['manage_device_metadata'] == 'on_connect'
get_covers = False
desired_thumbnail_height = 0
if update_metadata and self.device_manager.is_device_connected:
if self.device_manager.device.WANTS_UPDATED_THUMBNAILS:
get_covers = True
desired_thumbnail_height = self.device_manager.device.THUMBNAIL_HEIGHT
# Force a reset if the caches are not initialized
if reset or not hasattr(self, 'db_book_title_cache'):
@ -1698,17 +1700,28 @@ class DeviceMixin(object): # {{{
# will be used by books_on_device to indicate matches. While we are
# going by, update the metadata for a book if automatic management is on
def update_book(id_, book) :
if not update_metadata:
return
mi = db.get_metadata(id_, index_is_id=True, get_cover=get_covers)
book.smart_update(mi, replace_metadata=True)
if get_covers:
if book.cover and os.access(book.cover, os.R_OK):
book.thumbnail = self.cover_to_thumbnail(open(book.cover, 'rb').read())
else:
book.thumbnail = self.default_thumbnail
for booklist in booklists:
for book in booklist:
book.in_library = None
if getattr(book, 'uuid', None) in self.db_book_uuid_cache:
id_ = db_book_uuid_cache[book.uuid]
if (update_metadata and
db.metadata_last_modified(id_, index_is_id=True) !=
getattr(book, 'last_modified', None)):
mi = db.get_metadata(id_, index_is_id=True,
get_cover=get_covers)
book.smart_update(mi, replace_metadata=True)
if (db.metadata_last_modified(id_, index_is_id=True) !=
getattr(book, 'last_modified', None)
or (not book.thumbnail
or max(book.thumbnail[0], book.thumbnail[1]) !=
desired_thumbnail_height)):
update_book(id_, book)
book.in_library = 'UUID'
# ensure that the correct application_id is set
book.application_id = id_
@ -1721,23 +1734,15 @@ class DeviceMixin(object): # {{{
# will match if any of the db_id, author, or author_sort
# also match.
if getattr(book, 'application_id', None) in d['db_ids']:
if update_metadata:
id_ = getattr(book, 'application_id', None)
book.smart_update(db.get_metadata(id_,
index_is_id=True,
get_cover=get_covers),
replace_metadata=True)
update_book(id_, book)
book.in_library = 'APP_ID'
# app_id already matches a db_id. No need to set it.
continue
# Sonys know their db_id independent of the application_id
# in the metadata cache. Check that as well.
if getattr(book, 'db_id', None) in d['db_ids']:
if update_metadata:
book.smart_update(db.get_metadata(book.db_id,
index_is_id=True,
get_cover=get_covers),
replace_metadata=True)
update_book(book.db_id, book)
book.in_library = 'DB_ID'
book.application_id = book.db_id
continue
@ -1752,20 +1757,12 @@ class DeviceMixin(object): # {{{
book_authors = clean_string(authors_to_string(book.authors))
if book_authors in d['authors']:
id_ = d['authors'][book_authors]
if update_metadata:
book.smart_update(db.get_metadata(id_,
index_is_id=True,
get_cover=get_covers),
replace_metadata=True)
update_book(id_, book)
book.in_library = 'AUTHOR'
book.application_id = id_
elif book_authors in d['author_sort']:
id_ = d['author_sort'][book_authors]
if update_metadata:
book.smart_update(db.get_metadata(id_,
index_is_id=True,
get_cover=get_covers),
replace_metadata=True)
update_book(id_, book)
book.in_library = 'AUTH_SORT'
book.application_id = id_
else:
@ -1779,12 +1776,6 @@ class DeviceMixin(object): # {{{
if update_metadata:
if self.device_manager.is_device_connected:
if self.device_manager.device.WANTS_UPDATED_THUMBNAILS:
for blist in booklists:
for book in blist:
if book.cover and os.access(book.cover, os.R_OK):
book.thumbnail = \
self.cover_to_thumbnail(open(book.cover, 'rb').read())
plugboards = self.library_view.model().db.prefs.get('plugboards', {})
self.device_manager.sync_booklists(
FunctionDispatcher(self.metadata_synced), booklists,