Commit 92e06843 authored by J. Fernando Sánchez's avatar J. Fernando Sánchez

Simple server

parents
web: gunicorn app:app --log-file=-
#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright 2014 J. Fernando Sánchez Rada - Grupo de Sistemas Inteligentes
# DIT, UPM
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
'''
Simple Sentiment Analysis server for EUROSENTIMENT
'''
from flask import Flask
from random import random
from nif_server import *
import config
app = Flask(__name__)
def hard_analysis(params):
response = basic_analysis(params)
response["analysis"][0]["marl:algorithm"] = "SimpleAlgorithm"
for i in response["entries"]:
polValue = random()
if polValue > 0.5:
pol = "marl:Positive"
elif polValue == 0.5:
pol = "marl:Neutral"
else:
pol = "marl:Negative"
i["opinions"] = [{"marl:polarityValue": polValue,
"marl:hasPolarity": pol
}]
return response
app.analyse = hard_analysis
app.register_blueprint(nif_server)
if __name__ == '__main__':
app.debug = config.DEBUG
app.run()
import os
SERVER_PORT = os.environ.get("SERVER_PORT", 5000)
DEBUG = os.environ.get("DEBUG", True)
#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright 2014 J. Fernando Sánchez Rada - Grupo de Sistemas Inteligentes
# DIT, UPM
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
'''
Simple Sentiment Analysis server for EUROSENTIMENT
'''
from flask import Blueprint, render_template, request, jsonify, current_app
import config
import json
nif_server = Blueprint("NIF Sentiment Analysis Server", __name__)
PARAMS = {"input": {"aliases": ["i", "input"],
"help": "Input text"
},
"informat": {"aliases": ["f", "informat"],
"default": "text",
"options": ["turtle", "text"],
},
"intype": {"aliases": ["intype", "t"],
"default": "direct",
"options": ["direct", "url", "file"],
},
"outformat": {"aliases": ["outformat", "o"],
"default": "json-ld",
"options": ["json-ld"],
},
"language": {"aliases": ["language", "l"],
"default": None,
"options": ["es", "en"],
},
"urischeme": {"aliases": ["urischeme", "u"],
"default": "RFC5147String",
"options": "RFC5147String"
},
}
def get_params(req):
indict = None
if req.method == 'POST':
indict = req.form
if req.method == 'GET':
indict = req.args
else:
raise ValueError("Invalid data")
outdict = {}
missingParams = []
for param, options in PARAMS.iteritems():
for alias in options["aliases"]:
if alias in indict:
outdict[param] = indict[alias]
if param not in outdict:
if "default" in options:
if options["default"]:
outdict[param] = options["default"]
else:
missingParams.append(param)
if missingParams:
message = {"status": "failed", "message": "Missing parameters"}
message["parameters"] = {param:PARAMS[param] for param in missingParams}
raise ValueError(json.dumps(message))
return outdict
def basic_analysis(params):
response = {"@context": "http://demos.gsi.dit.upm.es/eurosentiment/static/context.jsonld",
"analysis": [{
"@type": "marl:SentimentAnalysis"
}],
"entries": []
}
if "language" in params:
response["language"] = params["language"]
for sentence in params["input"].split("."):
response["entries"].append({
"nif:isString": sentence
})
return response
@nif_server.route('/', methods=['POST', 'GET'])
def home(entries=None):
try:
params = get_params(request)
except ValueError as ex:
return ex.message
response = current_app.analyse(params)
return jsonify(response)
if __name__ == '__main__':
from flask import Flask
app = Flask(__name__)
app.register_blueprint(nif_server)
app.debug = config.DEBUG
app.run()
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