Get wordcloud from a document in PyPLN

get_wordcloud.py

#!/usr/bin/env python2

# just give this script a document id (as in `$ python get_wordcloud.py 1`, for example) 
# and it will download the wordcloud from PyPLN.
#
# Replace PYPLN_URL by the desired host.

import base64
import sys
import pypln.api

doc_id = int(sys.argv[1])
PYPLN_URL = 'http://localhost:8000'
doc = pypln.api.Document.from_url("{}/documents/{}/".format(
    PYPLN_URL, doc_id), ("admin", "admin"))
with open("wordcloud_{}.png".format(doc_id), 'w') as fd:
    fd.write(base64.b64decode(doc.get_property("wordcloud")))