mirror of
https://github.com/janeczku/calibre-web
synced 2024-08-24 02:26:38 +00:00
107 lines
3.4 KiB
Python
107 lines
3.4 KiB
Python
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# -*- coding: utf-8 -*-
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# This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
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# Copyright (C) 2018-2019 OzzieIsaacs, pwr
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from __future__ import division, print_function, unicode_literals
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import time
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from functools import reduce
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from goodreads.client import GoodreadsClient
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try: import Levenshtein
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except ImportError: Levenshtein = False
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from .. import logger
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log = logger.create()
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_client = None # type: GoodreadsClient
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# GoodReads TOS allows for 24h caching of data
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_CACHE_TIMEOUT = 23 * 60 * 60 # 23 hours (in seconds)
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_AUTHORS_CACHE = {}
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def connect(key=None, secret=None, enabled=True):
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global _client
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if not enabled or not key or not secret:
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_client = None
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return
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if _client:
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# make sure the configuration has not changed since last we used the client
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if _client.client_key != key or _client.client_secret != secret:
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_client = None
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if not _client:
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_client = GoodreadsClient(key, secret)
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def get_author_info(author_name):
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now = time.time()
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author_info = _AUTHORS_CACHE.get(author_name, None)
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if author_info:
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if now < author_info._timestamp + _CACHE_TIMEOUT:
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return author_info
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# clear expired entries
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del _AUTHORS_CACHE[author_name]
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if not _client:
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log.warning("failed to get a Goodreads client")
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return
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try:
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author_info = _client.find_author(author_name=author_name)
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except Exception as ex:
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# Skip goodreads, if site is down/inaccessible
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log.warning('Goodreads website is down/inaccessible? %s', ex)
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return
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if author_info:
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author_info._timestamp = now
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_AUTHORS_CACHE[author_name] = author_info
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return author_info
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def get_other_books(author_info, library_books=None):
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# Get all identifiers (ISBN, Goodreads, etc) and filter author's books by that list so we show fewer duplicates
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# Note: Not all images will be shown, even though they're available on Goodreads.com.
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# See https://www.goodreads.com/topic/show/18213769-goodreads-book-images
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if not author_info:
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return
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identifiers = []
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library_titles = []
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if library_books:
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identifiers = list(reduce(lambda acc, book: acc + [i.val for i in book.identifiers if i.val], library_books, []))
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library_titles = [book.title for book in library_books]
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for book in author_info.books:
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if book.isbn in identifiers:
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continue
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if book.gid["#text"] in identifiers:
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continue
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if Levenshtein and library_titles:
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goodreads_title = book._book_dict['title_without_series']
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if any(Levenshtein.ratio(goodreads_title, title) > 0.7 for title in library_titles):
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continue
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yield book
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