29 lines
681 B
Python
29 lines
681 B
Python
# -*- coding: utf-8 -*-
|
|
# vi:si:et:sw=4:sts=4:ts=4
|
|
|
|
|
|
import ox.web.duckduckgo
|
|
import stdnum.isbn
|
|
|
|
from .utils import find_isbns
|
|
|
|
import logging
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
def find(query):
|
|
logger.debug('find %s', query)
|
|
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:
|
|
isbn = stdnum.isbn.to_isbn13(isbn)
|
|
results.append(isbn)
|
|
done.add(isbn)
|
|
if len(isbn) == 13 and isbn.startswith('978'):
|
|
done.add(stdnum.isbn.to_isbn10(isbn))
|
|
return results
|