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server2.py
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server2.py
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import pickle
import re
from nltk.stem.snowball import SnowballStemmer
from flask import Flask, render_template, request, jsonify, json
from flask_cors import CORS, cross_origin
import time
stemmer = SnowballStemmer("english")
text_list = []
categories = ['python', 'javascript', 'java', 'c', 'r', 'while_loop', 'for_loop']
def cleanPunc(sentence): #function to clean the word of unnecessary punctuation or special characters using re library or regex
cleaned = re.sub(r'[?|!|,|~|^]',r'',sentence)
cleaned = cleaned.strip()
cleaned = cleaned.replace("\n"," ")
return cleaned
def stemming(sentence):
stemSentence = ""
for word in sentence.split():
stem = stemmer.stem(word)
stemSentence += stem
stemSentence += " "
stemSentence = stemSentence.strip()
return stemSentence
app = Flask(__name__)
cors = CORS(app)
app.config['CORS_HEADERS'] = 'Content-Type'
vectorizer = pickle.load(open('vectorizer.sav', 'rb'))
@app.route('/')
def index():
return '<h1> Deployed! </h1>'
@app.route('/_get_text_input/', methods=['POST'])
def get_text_input():
#Get new text data
text_list = []
text = request.get_data().decode("utf-8")
text = cleanPunc(text.lower())
text = stemming(text)
text_list.append(text)
vectorized_text = vectorizer.transform(text_list)
predicted_tags = []
for category in categories:
#load model
filename = 'svc-' + category + '.sav'
loaded_model = pickle.load(open(filename, 'rb'))
result = loaded_model.predict(vectorized_text)
if result[0] == 1:
if category == "while_loop":
predicted_tags.append('while-loop')
elif category == "for_loop":
predicted_tags.append('for-loop')
else:
predicted_tags.append(category)
if len(predicted_tags) == 0:
predicted_tags = {'others'}
return jsonify({'predicted_tags' : predicted_tags})
if __name__ == "__main__":
app.run(debug=True, threaded=True)