Script to generate wiki page based on ISBN

lixbiblio.py

import json, sys
from urllib.request import urlopen

API='http://xisbn.worldcat.org/webservices/xid/isbn/{isbn}?method=getMetadata&format=json&fl=*'
OPT_KEYS = ['author', 'city', 'ed', 'form', 'lang', 'lccn',
        'originalLang', 'publisher', 'year']

def get_metadata(isbn):
    rawjson = urlopen(API.format(isbn=isbn)).readall().decode('utf-8')
    response = json.loads(rawjson)
    if not response['stat'] == 'ok':
        sys.exit("could not get data from xISBN")
    data = response['list'][0]
    # fill optional keys
    for k in OPT_KEYS:
        if k not in data: data[k] = ""
    # make lccn list
    data['lccn'] = ', '.join(data['lccn'])
    # unpack isbn, form, oclcnum
    data['isbn'] = data['isbn'][0]
    data['form'] = data['form'][0]
    data['oclcnum'] = data['oclcnum'][0]

    return data

# main
if len(sys.argv) < 2:
    sys.exit("usage: {} ISBN".format(sys.argv[0]))

data = get_metadata(sys.argv[1])

print("""===== {title} =====

<block right>
{{{{http://covers.openlibrary.org/b/isbn/{isbn}-M.jpg}}}}
</block>

---- dataentry book ----
type: book
isbn13: {isbn}
author: {author}
publisher: {publisher}
year: {year}
lang: {lang}
origlang: {originalLang}
worldcat_oclc: {oclcnum}
city: {city}
edition: {ed}
form_onix: {form}
lccns: {lccn}
borrower_user:
borrowdate_dt:
----
""".format(**data))