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application.py
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application.py
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from flask import Flask, redirect, render_template, request, url_for
import helpers
from analyzer import Analyzer
import os
import sys
app = Flask(__name__)
@app.route("/")
def index():
return render_template("index.html")
@app.route("/search")
def search():
# validate screen_name
screen_name = request.args.get("screen_name", "")
if not screen_name:
return redirect(url_for("index"))
# get screen_name's tweets
tweets = helpers.get_user_timeline(screen_name)
if tweets == None:
return redirect(url_for("index"))
# positives = os.path.join(sys.path[0], "positive-words.txt")
# negatives = os.path.join(sys.path[0], "negative-words.txt")
positives = "/app/positive-words.txt"
negatives = "/app/negative-words.txt"
# instantiate analyzer
analyzer = Analyzer(positives, negatives)
positive, negative, neutral = 0.0, 0.0, 0.0
for tweet in tweets:
score=analyzer.analyze(tweet)
if score > 0.0:
positive+=1
elif score < 0.0:
negative+=1
else:
neutral+=1
# generate chart
chart = helpers.chart(positive, negative, neutral)
# render results
return render_template("search.html", chart=chart, screen_name=screen_name)