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senpy/plugins/sentiment140/__init__.py
J. Fernando Sánchez 2b68838514 PEP8 compliance
2014-11-20 19:29:49 +01:00

46 lines
1.6 KiB
Python

import requests
import json
from senpy.plugins import SentimentPlugin
from senpy.models import Response, Opinion, Entry
class Sentiment140Plugin(SentimentPlugin):
EXTRA_PARAMS = {
"language": {"aliases": ["language", "l"],
"required": False,
"options": ["es", "en", "auto"],
}
}
def __init__(self, **kwargs):
super(Sentiment140Plugin, self).__init__(name="sentiment140",
version="2.0",
extraparams=self.EXTRA_PARAMS,
**kwargs)
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"]}]
}
)
)
response = Response()
polarity_value = int(res.json()["data"][0]["polarity"]) * 25
polarity = "marl:Neutral"
if polarity_value > 50:
polarity = "marl:Positive"
elif polarity_value < 50:
polarity = "marl:Negative"
entry = Entry(text=params["input"])
opinion = Opinion(polarity=polarity, polarity_value=polarity_value)
entry.opinions.append(opinion)
entry.language = lang
response.entries.append(entry)
return response
plugin = Sentiment140Plugin()