Script de definição do atributo ``visible`` para os capítulos de livros, com base no valor do mesmo atributo dos respectivos livros

scielobooks-setvisibletoparts.py

import couchdbkit

db_uri = 'http://localhost:5984'
db_name = 'scielobooks'

def get_monographs():
    try:
       monographs = db.view('scielobooks/books')
    except couchdbkit.ResourceNotFound:
        raise exceptions.NotFound()

    return dict((book['value']['_id'], book['value']['visible']) for book in monographs)

def update_part(part, key, value):
    part[key] = value
    return part

def get_updated_parts(monograph_sbid, visibility):
    try:
        parts = [update_part(part['doc'], 'visible', visibility) for part in db.view('scielobooks/monographs_and_parts',
            include_docs=True, key=[monograph_sbid, 1])]
    except couchdbkit.ResourceNotFound:
        raise exceptions.NotFound()

    return parts



server = couchdbkit.Server(db_uri)
db = server.get_or_create_db(db_name)

all_monographs = get_monographs()
for sbid, visibility in all_monographs.items():

    parts = get_updated_parts(sbid, visibility)
    try:
        db.save_docs(parts, all_or_nothing=True)
    except:
        #ugly, but get all exceptions
        print 'Error saving parts of %s' % sbid