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senpy/senpy/plugins/sentiment/sentiment140/sentiment140.py
J. Fernando Sánchez 9f6a6f5ecd Loads of changes!
* Added conversion plugins (API might change!)
* Added conversion to the analysis pipeline
* Changed behaviour of --default-plugins (it adds conversion plugins regardless)
* Added emotionModel [sic] and emotionConversion models

//TODO add conversion tests
//TODO add conversion to docs
2017-02-27 12:01:19 +01:00

37 lines
1.3 KiB
Python

import requests
import json
from senpy.plugins import SentimentPlugin
from senpy.models import Sentiment
class Sentiment140Plugin(SentimentPlugin):
def analyse_entry(self, entry, params):
lang = params.get("language", "auto")
res = requests.post("http://www.sentiment140.com/api/bulkClassifyJson",
json.dumps({
"language": lang,
"data": [{
"text": entry.text
}]
}))
p = params.get("prefix", None)
polarity_value = self.maxPolarityValue * int(
res.json()["data"][0]["polarity"]) * 0.25
polarity = "marl:Neutral"
neutral_value = self.maxPolarityValue / 2.0
if polarity_value > neutral_value:
polarity = "marl:Positive"
elif polarity_value < neutral_value:
polarity = "marl:Negative"
sentiment = Sentiment(
prefix=p,
marl__hasPolarity=polarity,
marl__polarityValue=polarity_value)
sentiment.prov__wasGeneratedBy = self.id
entry.sentiments = []
entry.sentiments.append(sentiment)
entry.language = lang
yield entry