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[pre-commit.ci lite] apply automatic fixes

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pre-commit-ci-lite[bot] 2025-07-24 13:32:03 +00:00 • committed by GitHub
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1 changed files with 47 additions and 30 deletions
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77
examples/Blockchain-Based-E_voting/app(1).py
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@ -1,38 +1,50 @@
from flask import Flask, render_template, request, redirect, url_for, session
import sqlite3
from my_blockchain import Blockchain
import cv2
from my_blockchain import Blockchain
from flask import Flask
from flask import redirect
from flask import render_template
from flask import request
from flask import session
from flask import url_for
app = Flask(__name__)
app.secret_key = "e-voting-secure-key"
voting_chain = Blockchain()
# Load face detection model
face_cascade = cv2.CascadeClassifier(cv2.data.haarcascades + "haarcascade_frontalface_default.xml")
face_cascade = cv2.CascadeClassifier(
cv2.data.haarcascades + "haarcascade_frontalface_default.xml"
)
# Database Connection
def get_db_connection():
conn = sqlite3.connect('voters.db')
conn = sqlite3.connect("voters.db")
conn.row_factory = sqlite3.Row
return conn
# Home Route
@app.route('/')
@app.route("/")
def home():
return render_template('index.html')
return render_template("index.html")
# Voter Authentication (Live Face Detection)
@app.route('/login', methods=['POST'])
@app.route("/login", methods=["POST"])
def login():
voter_name = request.form['name']
voter_name = request.form["name"]
# Check voter in database
conn = get_db_connection()
cursor = conn.cursor()
cursor.execute("SELECT * FROM voters WHERE name=?", (voter_name,))
voter = cursor.fetchone()
conn.close()
if voter:
# Start Face Verification
cap = cv2.VideoCapture(0)
@ -44,54 +56,59 @@ def login():
break
gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
faces = face_cascade.detectMultiScale(gray, scaleFactor=1.1, minNeighbors=5, minSize=(100, 100))
faces = face_cascade.detectMultiScale(
gray, scaleFactor=1.1, minNeighbors=5, minSize=(100, 100)
)
if len(faces) > 0:
verified = True
break
cv2.imshow("Face Verification - Press 'Q' to Exit", frame)
if cv2.waitKey(1) & 0xFF == ord('q'):
if cv2.waitKey(1) & 0xFF == ord("q"):
break
cap.release()
cv2.destroyAllWindows()
if verified:
session['voter_name'] = voter_name
return redirect(url_for('vote'))
session["voter_name"] = voter_name
return redirect(url_for("vote"))
else:
return "❌ Face Verification Failed! Try Again."
return "❌ Voter Not Found! Please Register First."
# Voting Page
@app.route('/vote', methods=['GET', 'POST'])
def vote():
if 'voter_name' not in session:
return redirect(url_for('home'))
if request.method == 'POST':
vote_choice = request.form['vote']
voter_name = session['voter_name']
# Voting Page
@app.route("/vote", methods=["GET", "POST"])
def vote():
if "voter_name" not in session:
return redirect(url_for("home"))
if request.method == "POST":
vote_choice = request.form["vote"]
voter_name = session["voter_name"]
voting_chain.add_vote(voter_name, vote_choice)
session.pop('voter_name', None)
session.pop("voter_name", None)
return redirect(url_for('results'))
return redirect(url_for("results"))
return render_template("vote.html")
return render_template('vote.html')
# Results Page
@app.route('/results')
@app.route("/results")
def results():
vote_counts = {}
for block in voting_chain.chain[1:]:
vote = block['vote']
vote = block["vote"]
vote_counts[vote] = vote_counts.get(vote, 0) + 1
return render_template('results.html', votes=vote_counts)
return render_template("results.html", votes=vote_counts)
# Run Flask App
if __name__ == '__main__':
app.run(debug=True)
if __name__ == "__main__":
app.run(debug=True)