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Mini Shell
Mini Shell
#!/usr/bin/env python3
# License: GPL v3 Copyright: 2020, Kovid Goyal <kovid at kovidgoyal.net>
import os
import re
def get_book_library_details(absolute_path_to_ebook):
from calibre.srv.library_broker import correct_case_of_last_path_component, library_id_from_path
absolute_path_to_ebook = os.path.abspath(os.path.expanduser(absolute_path_to_ebook))
base = os.path.dirname(absolute_path_to_ebook)
m = re.search(r' \((\d+)\)$', os.path.basename(base))
if m is None:
return
book_id = int(m.group(1))
library_dir = os.path.dirname(os.path.dirname(base))
corrected_path = correct_case_of_last_path_component(library_dir)
library_id = library_id_from_path(corrected_path)
dbpath = os.path.join(library_dir, 'metadata.db')
dbpath = os.environ.get('CALIBRE_OVERRIDE_DATABASE_PATH') or dbpath
if not os.path.exists(dbpath):
return
return {'dbpath': dbpath, 'book_id': book_id, 'fmt': absolute_path_to_ebook.rpartition('.')[-1].upper(), 'library_id': library_id}
def database_has_annotations_support(cursor):
return next(cursor.execute('pragma user_version;'))[0] > 23
def load_annotations_map_from_library(book_library_details, user_type='local', user='viewer'):
import apsw
from calibre.db.backend import annotations_for_book, Connection
ans = {}
dbpath = book_library_details['dbpath']
try:
conn = apsw.Connection(dbpath, flags=apsw.SQLITE_OPEN_READONLY)
except Exception:
return ans
try:
conn.setbusytimeout(Connection.BUSY_TIMEOUT)
cursor = conn.cursor()
if not database_has_annotations_support(cursor):
return ans
for annot in annotations_for_book(
cursor, book_library_details['book_id'], book_library_details['fmt'],
user_type=user_type, user=user
):
ans.setdefault(annot['type'], []).append(annot)
finally:
conn.close()
return ans
def save_annotations_list_to_library(book_library_details, alist, sync_annots_user=''):
import apsw
from calibre.db.backend import save_annotations_for_book, Connection, annotations_for_book
from calibre.gui2.viewer.annotations import annotations_as_copied_list
from calibre.db.annotations import merge_annotations
dbpath = book_library_details['dbpath']
try:
conn = apsw.Connection(dbpath, flags=apsw.SQLITE_OPEN_READWRITE)
except Exception:
return
try:
conn.setbusytimeout(Connection.BUSY_TIMEOUT)
if not database_has_annotations_support(conn.cursor()):
return
amap = {}
with conn:
cursor = conn.cursor()
for annot in annotations_for_book(cursor, book_library_details['book_id'], book_library_details['fmt']):
amap.setdefault(annot['type'], []).append(annot)
merge_annotations((x[0] for x in alist), amap)
if sync_annots_user:
other_amap = {}
for annot in annotations_for_book(cursor, book_library_details['book_id'], book_library_details['fmt'], user_type='web', user=sync_annots_user):
other_amap.setdefault(annot['type'], []).append(annot)
merge_annotations(amap, other_amap)
alist = tuple(annotations_as_copied_list(amap))
save_annotations_for_book(cursor, book_library_details['book_id'], book_library_details['fmt'], alist)
if sync_annots_user:
alist = tuple(annotations_as_copied_list(other_amap))
save_annotations_for_book(cursor, book_library_details['book_id'], book_library_details['fmt'], alist, user_type='web', user=sync_annots_user)
finally:
conn.close()
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