import requests import json from senpy.plugins import SentimentPlugin from senpy.models import Response, Opinion, Entry class Sentiment140Plugin(SentimentPlugin): def analyse(self, **params): lang = params.get("language", "auto") res = requests.post("http://www.sentiment140.com/api/bulkClassifyJson", json.dumps({"language": lang, "data": [{"text": params["input"]}] } ) ) p = params.get("prefix", None) response = Response(prefix=p) polarity_value = self.maxPolarityValue*int(res.json()["data"][0] ["polarity"]) * 0.25 polarity = "marl:Neutral" if polarity_value > 50: polarity = "marl:Positive" elif polarity_value < 50: polarity = "marl:Negative" entry = Entry(id="Entry0", text=params["input"], prefix=p) opinion = Opinion(id="Opinion0", prefix=p, hasPolarity=polarity, polarityValue=polarity_value) opinion["prov:wasGeneratedBy"] = self.id entry.opinions.append(opinion) entry.language = lang response.entries.append(entry) return response