34 lines
865 B
Python
34 lines
865 B
Python
# -*- coding: utf-8 -*-
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# vi:si:et:sw=4:sts=4:ts=4
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from __future__ import division
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import ox.web.duckduckgo
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import stdnum.isbn
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from .utils import find_isbns
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import logging
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logger = logging.getLogger('meta.duckduckgo')
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def find(query):
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logger.debug('find %s', query)
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query += ' isbn'
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isbns = []
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for r in ox.web.duckduckgo.find(query):
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isbns += find_isbns(' '.join(r))
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results = []
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done = set()
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for isbn in isbns:
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if isbn not in done:
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r = {
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'isbn': [isbn],
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'primaryid': ['isbn', isbn]
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}
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results.append(r)
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done.add(isbn)
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if len(isbn) == 10:
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done.add(stdnum.isbn.to_isbn13(isbn))
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if len(isbn) == 13 and isbn.startswith('978'):
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done.add(stdnum.isbn.to_isbn10(isbn))
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return results
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