openmedialibrary/oml/meta/ol.py
2014-05-12 04:09:31 +02:00

67 lines
1.9 KiB
Python

# -*- coding: utf-8 -*-
# vi:si:et:sw=4:sts=4:ts=4
from __future__ import division
from ox.cache import read_url
import json
from utils import normalize_isbn
from marc_countries import COUNTRIES
def find(query):
url = 'https://openlibrary.org/search.json?q=%s' % query
data = json.loads(read_url(url))
return data
def authors(authors):
return resolve_names(authors)
def resolve_names(objects, key='name'):
r = []
for o in objects:
url = 'https://openlibrary.org%s.json' % o['key']
data = json.loads(read_url(url))
r.append(data[key])
return r
def languages(languages):
return resolve_names(languages)
def info(id):
data = {}
url = 'https://openlibrary.org/books/%s.json' % id
info = json.loads(read_url(url))
keys = {
'title': 'title',
'authors': 'author',
'publishers': 'publisher',
'languages': 'language',
'publish_places': 'place',
'publish_country': 'country',
'covers': 'cover',
'isbn_10': 'isbn10',
'isbn_13': 'isbn13',
'lccn': 'lccn',
'oclc_numbers': 'oclc',
'dewey_decimal_class': 'classification',
'number_of_pages': 'pages',
}
for key in keys:
if key in info:
value = info[key]
if key == 'authors':
value = authors(value)
elif key == 'publish_country':
value = COUNTRIES.get(value, value)
elif key == 'covers':
value = 'https://covers.openlibrary.org/b/id/%s.jpg' % value[0]
value = COUNTRIES.get(value, value)
elif key == 'languages':
value = languages(value)
elif isinstance(value, list) and key not in ('publish_places'):
value = value[0]
if key in ('isbn_10', 'isbn_13'):
value = normalize_isbn(value)
data[keys[key]] = value
return data