get-sentiment-client.py

import urllib, urllib2, json
from pprint import pprint

URL = "<ACCESS-URL>"

text = "The food was great, but the service was slow."
opener = urllib2.build_opener(urllib2.HTTPHandler)
params = {'text': text, 'categories': 1, 'sentiment': 1, 
            'annotate': 1}
headers = {"<ACCESS-KEY-HEADER>": "<ACCESS-KEY>"}

request = urllib2.Request(URL, urllib.urlencode(params),
        headers=headers)
response = opener.open(request)
opener.close()
data = json.loads(response.read())

pprint(data)