# -*- coding: utf-8 -*- # This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web) # Copyright (C) 2018-2019 OzzieIsaacs, pwr # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. import time from functools import reduce try: from goodreads.client import GoodreadsClient except ImportError: from betterreads.client import GoodreadsClient try: import Levenshtein except ImportError: Levenshtein = False from .. import logger log = logger.create() _client = None # type: GoodreadsClient # GoodReads TOS allows for 24h caching of data _CACHE_TIMEOUT = 23 * 60 * 60 # 23 hours (in seconds) _AUTHORS_CACHE = {} def connect(key=None, secret=None, enabled=True): global _client if not enabled or not key or not secret: _client = None return if _client: # make sure the configuration has not changed since last we used the client if _client.client_key != key or _client.client_secret != secret: _client = None if not _client: _client = GoodreadsClient(key, secret) def get_author_info(author_name): now = time.time() author_info = _AUTHORS_CACHE.get(author_name, None) if author_info: if now < author_info._timestamp + _CACHE_TIMEOUT: return author_info # clear expired entries del _AUTHORS_CACHE[author_name] if not _client: log.warning("failed to get a Goodreads client") return try: author_info = _client.find_author(author_name=author_name) except Exception as ex: # Skip goodreads, if site is down/inaccessible log.warning('Goodreads website is down/inaccessible? %s', ex.__str__()) return if author_info: author_info._timestamp = now _AUTHORS_CACHE[author_name] = author_info return author_info def get_other_books(author_info, library_books=None): # Get all identifiers (ISBN, Goodreads, etc) and filter author's books by that list so we show fewer duplicates # Note: Not all images will be shown, even though they're available on Goodreads.com. # See https://www.goodreads.com/topic/show/18213769-goodreads-book-images if not author_info: return identifiers = [] library_titles = [] if library_books: identifiers = list(reduce(lambda acc, book: acc + [i.val for i in book.identifiers if i.val], library_books, [])) library_titles = [book.title for book in library_books] for book in author_info.books: if book.isbn in identifiers: continue if isinstance(book.gid, int): if book.gid in identifiers: continue else: if book.gid["#text"] in identifiers: continue if Levenshtein and library_titles: goodreads_title = book._book_dict['title_without_series'] if any(Levenshtein.ratio(goodreads_title, title) > 0.7 for title in library_titles): continue yield book