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

52 lines
2 KiB
Python

# -*- coding: utf-8 -*-
# vi:si:et:sw=4:sts=4:ts=4
from __future__ import division
import ox
from ox.cache import read_url
import xml.etree.ElementTree as ET
from utils import normalize_isbn
from marc_countries import COUNTRIES
def info(id):
ns = '{http://www.loc.gov/mods/v3}'
url = 'http://lccn.loc.gov/%s/mods' % id
data = read_url(url)
mods = ET.fromstring(data)
info = {}
info['title'] = ''.join([e.text for e in mods.findall(ns + 'titleInfo')[0]])
origin = mods.findall(ns + 'originInfo')
if origin:
info['place'] = []
for place in origin[0].findall(ns + 'place'):
terms = place.findall(ns + 'placeTerm')
if terms and terms[0].attrib['type'] == 'text':
e = terms[0]
info['place'].append(e.text)
elif terms and terms[0].attrib['type'] == 'code':
e = terms[0]
info['country'] = COUNTRIES.get(e.text, e.text)
info['publisher'] = ''.join([e.text for e in origin[0].findall(ns + 'publisher')])
info['date'] = ''.join([e.text for e in origin[0].findall(ns + 'dateIssued')])
for i in mods.findall(ns + 'identifier'):
if i.attrib['type'] == 'oclc':
info['oclc'] = i.text.replace('ocn', '')
if i.attrib['type'] == 'lccn':
info['lccn'] = i.text
if i.attrib['type'] == 'isbn':
isbn = normalize_isbn(i.text)
info['isbn%s'%len(isbn)] = isbn
for i in mods.findall(ns + 'classification'):
if i.attrib['authority'] == 'ddc':
info['classification'] = i.text
info['author'] = []
for a in mods.findall(ns + 'name'):
if a.attrib['usage'] == 'primary':
info['author'].append(''.join([e.text for e in a.findall(ns + 'namePart')]))
info['author'] = [ox.normalize_name(a[:-1]) for a in info['author']]
for key in info.keys():
if not info[key]:
del info[key]
return info