def callback(line):
seq = line['seq']
doc = line['doc']
if doc.get('doc_type', None) == 'Thing':
obj = Thing.wrap(doc)
elif doc.get('doc_type', None) == 'Lending':
obj = Lending.wrap(doc)
else:
# we also have other types of documents - _design docs
return
print '{:5d} {:s} {:s}'.format(seq, line['id'], obj)
