78 lines
2.7 KiB
Python
78 lines
2.7 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 ox
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from ox.cache import read_url
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import re
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import xml.etree.ElementTree as ET
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from utils import normalize_isbn
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from marc_countries import COUNTRIES
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import logging
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logger = logging.getLogger('meta.loc')
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def get_ids(key, value):
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ids = []
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if key in ['isbn10', 'isbn13']:
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url = 'http://www.loc.gov/search/?q=%s&all=true' % value
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html = ox.cache.read_url(url)
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match = re.search('"http://lccn.loc.gov/(\d+)"', html)
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if match:
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ids.append(('lccn', match.group(1)))
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if ids:
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logger.debug('get_ids %s,%s => %s', key, value, ids)
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return ids
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def lookup(id):
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logger.debug('lookup %s', id)
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ns = '{http://www.loc.gov/mods/v3}'
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url = 'http://lccn.loc.gov/%s/mods' % id
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data = read_url(url)
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mods = ET.fromstring(data)
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info = {
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'lccn': id
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}
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title = mods.findall(ns + 'titleInfo')
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if not title:
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return {}
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info['title'] = ''.join([e.text for e in title[0]])
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origin = mods.findall(ns + 'originInfo')
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if origin:
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info['place'] = []
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for place in origin[0].findall(ns + 'place'):
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terms = place.findall(ns + 'placeTerm')
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if terms and terms[0].attrib['type'] == 'text':
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e = terms[0]
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info['place'].append(e.text)
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elif terms and terms[0].attrib['type'] == 'code':
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e = terms[0]
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info['country'] = COUNTRIES.get(e.text, e.text)
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publisher = [e.text for e in origin[0].findall(ns + 'publisher')]
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if publisher:
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info['publisher'] = publisher[0]
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info['date'] = ''.join([e.text for e in origin[0].findall(ns + 'dateIssued')])
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for i in mods.findall(ns + 'identifier'):
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if i.attrib['type'] == 'oclc':
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info['oclc'] = i.text.replace('ocn', '')
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if i.attrib['type'] == 'lccn':
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info['lccn'] = i.text
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if i.attrib['type'] == 'isbn':
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isbn = normalize_isbn(i.text)
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info['isbn%s'%len(isbn)] = isbn
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for i in mods.findall(ns + 'classification'):
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if i.attrib['authority'] == 'ddc':
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info['classification'] = i.text
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info['author'] = []
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for a in mods.findall(ns + 'name'):
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if a.attrib.get('usage') == 'primary':
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info['author'].append(' '.join([e.text for e in a.findall(ns + 'namePart') if not e.attrib.get('type') in ('date', )]))
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info['author'] = [ox.normalize_name(a) for a in info['author']]
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for key in info.keys():
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if not info[key]:
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del info[key]
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return info
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info = lookup
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