76 lines
2.2 KiB
Python
76 lines
2.2 KiB
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 stdnum.isbn
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import abebooks
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import loc
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import lookupbyisbn
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import openlibrary
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import worldcat
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import google
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import duckduckgo
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import logging
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logger = logging.getLogger('meta')
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providers = [
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('openlibrary', 'olid'),
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('loc', 'lccn'),
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('worldcat', 'oclc'),
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('lookupbyisbn', 'asin'),
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('abebooks', 'isbn10')
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]
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def find(title, author=None, publisher=None, date=None):
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#results = google.find(title=title, author=author, publisher=publisher, date=date)
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results = duckduckgo.find(title=title, author=author, publisher=publisher, date=date)
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'''
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results = openlibrary.find(title=title, author=author, publisher=publisher, date=date)
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for r in results:
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r['mainid'] = 'olid'
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'''
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return results
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def lookup(key, value):
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if not isvalid_id(key, value):
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return {}
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data = {key: value}
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ids = [(key, value)]
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provider_data = {}
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done = False
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while not done:
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done = True
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for provider, id in providers:
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for key, value in ids:
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for kv in globals()[provider].get_ids(key, value):
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if not kv in ids:
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ids.append(kv)
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done = False
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logger.debug('lookup %s=%s => %s', ids[0][0], ids[0][1], ids)
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for k, v in ids:
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for provider, id in providers:
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if id == k and provider not in provider_data:
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provider_data[provider] = globals()[provider].lookup(v)
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for provider in sorted(
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provider_data.keys(),
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key=lambda x: -len(provider_data[x])
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):
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logger.debug('%s %s %s', provider, len(provider_data[provider]), provider_data[provider].keys())
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for k_, v_ in provider_data[provider].iteritems():
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if not k_ in data:
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data[k_] = v_
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return data
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def isvalid_id(key, value):
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if key in ('isbn10', 'isbn13'):
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if 'isbn%d'%len(value) != key or not stdnum.isbn.is_valid(value):
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return False
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if key == 'asin' and len(value) != 10:
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return False
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if key == 'olid' and not (value.startswith('OL') and value.endswith('M')):
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return False
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return True
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