Method to return the given overall sentiment its strength for a given string using the Alchemy API

alchemy_api_get_sentiment_sample.py

import requests

def get_sentiment(body):
    endpoint = "http://gateway-a.watsonplatform.net/calls/text/TextGetTextSentiment"
    parameters = {
        'apikey': API_KEY,
        'outputMode': 'json',
        'text': body
    }
        
    r = requests.get(endpoint, params=parameters)
    sentiment = None
    if r.status_code == 200:
        resp = r.json()
        sentiment = resp['docSentiment']['type']
        strength = resp['docSentiment'].get('score')
    return sentiment