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senpy/plugins/sentiment140/sentiment140.py
J. Fernando Sánchez d1006bbc92 PEP8+Better JSON-LD support
* The API has also changed, there are new parameters to send the
context as part of the headers.
* Improved tests
* PEP8 compliance (despite the line about gevent)
2015-02-24 07:15:25 +01:00

39 lines
1.4 KiB
Python

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