alchemyHTTP.py

BASE_URL = 'http://access.alchemyapi.com/calls'
SENTIMENT_URL = "/text/TextGetTargetedSentiment"
API_KEY = "add it here"

try:
    from urllib.request import urlopen
    from urllib.parse import urlparse
    from urllib.parse import urlencode
except ImportError:
    from urlparse import urlparse
    from urllib2 import urlopen
    from urllib import urlencode

try:
    import json
except ImportError:
    # Older versions of Python (i.e. 2.4) require simplejson instead of json
    import simplejson as json

try:
    import urlfetch
except ImportError:
    from google.appengine.api import urlfetch

class SentimentAnalyzer(object):
    def __init__(self):
        self.default_params = {
            'apikey' : API_KEY,
            'outputMode' : 'json',
            'linkedData':'1',
            'showSourceText':'1'
        }

    def get_sentiment(self, text, target):
        print "got text:", text
        print "got target:", target

        data = self.default_params
        data['text'] = text
        data['target'] = target

        post_url = ""
        service_URI = BASE_URL + SENTIMENT_URL
        try:
            post_url = service_URI + \
                '?' + urlencode(data).encode('utf-8')
        except TypeError:
            post_url = service_URI + '?' + urlencode(data)

        results = ""
        try:
            results = urlfetch.fetch(url=post_url,deadline=8)
        except Exception as e:
            print(e)
            return {'status': 'ERROR', 'statusInfo': 'network-error'}
        try:
            return json.load(results)
        except:
            try:
                return json.loads(results.content)
            except Exception as e:
                if results != "":
                    print(results)
                print(e)
                return {'status': 'ERROR', 'statusInfo': 'parse-error'}

you can use this just like you use the original requests-using alchemy.py api by invoking:
SentimentAnalyzer().get_sentiment(text, tsrget)