openmedialibrary/oml/meta/duckduckgo.py
2014-05-17 16:26:59 +02:00

42 lines
1.1 KiB
Python

# -*- coding: utf-8 -*-
# vi:si:et:sw=4:sts=4:ts=4
from __future__ import division
import ox.web.duckduckgo
import stdnum.isbn
from .utils import find_isbns
import logging
logger = logging.getLogger('meta.duckduckgo')
def find(title, author=None, publisher=None, date=None):
logger.debug('find %s %s %s %s', title, author, publisher, date)
query = title
if author:
if isinstance(author, list):
author = ' '.join(author)
query += ' ' + author
query += ' isbn'
isbns = []
for r in ox.web.duckduckgo.find(query):
isbns += find_isbns(' '.join(r))
results = []
done = set()
for isbn in isbns:
if isbn not in done:
key = 'isbn%d'%len(isbn)
#r = lookup(key, isbn)
#r['mainid'] = key
r = {
key: isbn,
'mainid': key
}
results.append(r)
done.add(isbn)
if len(isbn) == 10:
done.add(stdnum.isbn.to_isbn13(isbn))
if len(isbn) == 13:
done.add(stdnum.isbn.to_isbn10(isbn))
return results