def __init__(self, library_path, default_prefs=None, restore_all_prefs=False, progress_callback=lambda x, y:True):
backend = DB(library_path, default_prefs=default_prefs, restore_all_prefs=restore_all_prefs, progress_callback=progress_callback)
Cache.__init__(self, backend)
for x in ('update_path', 'mark_as_dirty'):
setattr(self, x, self.no_op)
setattr(self, '_' + x, self.no_op)
self.init()
def init_cache(self, library_path=None):
from calibre.db.backend import DB
from calibre.db.cache import Cache
backend = DB(library_path or self.library_path)
cache = Cache(backend)
cache.init()
return cache
def __init__(self, library_path,
default_prefs=None, read_only=False, is_second_db=False,
progress_callback=lambda x, y:True, restore_all_prefs=False):
self.is_second_db = is_second_db
self.listeners = set()
backend = self.backend = DB(library_path, default_prefs=default_prefs,
read_only=read_only, restore_all_prefs=restore_all_prefs,
progress_callback=progress_callback)
cache = self.new_api = Cache(backend)
cache.init()
self.data = View(cache)
self.id = self.data.index_to_id
self.row = self.data.id_to_index
for x in ('get_property', 'count', 'refresh_ids', 'set_marked_ids',
'multisort', 'search', 'search_getting_ids'):
setattr(self, x, getattr(self.data, x))
self.is_case_sensitive = getattr(backend, 'is_case_sensitive', False)
self.custom_field_name = backend.custom_field_name
self.last_update_check = self.last_modified()
if not self.is_second_db:
set_saved_searches(self, 'saved_searches')
def __init__(self, library_path,
default_prefs=None, read_only=False, is_second_db=False,
progress_callback=lambda x, y:True, restore_all_prefs=False):
self.is_second_db = is_second_db # TODO: Use is_second_db
self.listeners = set([])
backend = self.backend = DB(library_path, default_prefs=default_prefs,
read_only=read_only, restore_all_prefs=restore_all_prefs,
progress_callback=progress_callback)
cache = self.new_api = Cache(backend)
cache.init()
self.data = View(cache)
self.get_property = self.data.get_property
for prop in (
'author_sort', 'authors', 'comment', 'comments',
'publisher', 'rating', 'series', 'series_index', 'tags',
'title', 'timestamp', 'uuid', 'pubdate', 'ondevice',
'metadata_last_modified', 'languages',
):
fm = {'comment':'comments', 'metadata_last_modified':
'last_modified', 'title_sort':'sort'}.get(prop, prop)
setattr(self, prop, partial(self.get_property,
loc=self.FIELD_MAP[fm]))
self.last_update_check = self.last_modified()
def export(destdir, library_paths=None, dbmap=None, progress1=None, progress2=None, abort=None):
from calibre.db.cache import Cache
from calibre.db.backend import DB
if library_paths is None:
library_paths = all_known_libraries()
dbmap = dbmap or {}
dbmap = {os.path.normcase(os.path.abspath(k)):v for k, v in iteritems(dbmap)}
exporter = Exporter(destdir)
exporter.metadata['libraries'] = libraries = {}
total = len(library_paths) + 1
for i, (lpath, count) in enumerate(iteritems(library_paths)):
if abort is not None and abort.is_set():
return
if progress1 is not None:
progress1(lpath, i, total)
key = os.path.normcase(os.path.abspath(lpath))
db, closedb = dbmap.get(lpath), False
if db is None:
db = Cache(DB(lpath, load_user_formatter_functions=False))
db.init()
closedb = True
else:
db = db.new_api
db.export_library(key, exporter, progress=progress2, abort=abort)
if closedb:
db.close()
libraries[key] = count
if progress1 is not None:
progress1(_('Settings and plugins'), total-1, total)
if abort is not None and abort.is_set():
return
exporter.export_dir(config_dir, 'config_dir')
exporter.commit()
if progress1 is not None:
progress1(_('Completed'), total, total)
def create_backend(
library_path, default_prefs=None, read_only=False,
progress_callback=lambda x, y:True, restore_all_prefs=False,
load_user_formatter_functions=True):
return DB(library_path, default_prefs=default_prefs,
read_only=read_only, restore_all_prefs=restore_all_prefs,
progress_callback=progress_callback,
load_user_formatter_functions=load_user_formatter_functions)
def create_backend(library_path,
default_prefs=None,
read_only=False,
progress_callback=lambda x, y: True,
restore_all_prefs=False):
return DB(library_path,
default_prefs=default_prefs,
read_only=read_only,
restore_all_prefs=restore_all_prefs,
progress_callback=progress_callback)
