get_val.py

#!/usr/bin/env python
import sys
import json
import base64
import requests
import urllib


def issuccessful(request):
        if 200 <= request.status_code and request.status_code <= 299:
                return True
        else:
                return False

baseurl = "http://diufpc301:20550"

# Get the bleats
url = baseurl + "/ngrams2/" + urllib.quote_plus(sys.argv[1]) + "/ngram:cnt"
print url
request = requests.get(url, headers={"Accept" : "application/json"})

if issuccessful(request) == False:
        print "Could not get messages from HBase. Text was:\n" + request.text
        quit()

bleats = json.loads(request.text)
result = []

for row in bleats['Row']:
        for cell in row['Cell']:
                value = base64.b64decode(cell['$'])
                result.append(value)

print result