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controller.py
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controller.py
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from flask import Flask, request, render_template, url_for
import pickle
#This is a file for testing the login functionality
# a dictionary for storing accounts
accounts = dict()
mySearch = list()
app = Flask(__name__)
# first, return a login page
@app.route('/')
def create_page():
return render_template("login.html")
# test account
accounts['softwareengineers'] = 'makemoney'
@app.route('/pythonProject/templates/register', methods=['GET', 'POST'])
def register():
newName = ''
newPwd = ''
if request.method == 'POST':
newName = request.form['username']
newPwd = request.form['password']
# if username is blank
if newName == '':
return render_template('register.html', msg='Invalid Username!')
# if username already in the accounts
elif newName in accounts:
return render_template('register.html', msg='Username Already Exists!')
# if password is blank
elif newName not in accounts and newPwd == '':
return render_template('register.html', msg='Invalid Password!')
# add new username to the accounts
else:
accounts[newName] = newPwd
return render_template('register.html', msg='Successfully Signed Up!')
return render_template('register.html')
@app.route('/pythonProject/templates/login', methods=['GET', 'POST'])
def login():
name = ''
pwd = ''
if request.method == 'POST':
name = request.form['username']
pwd = request.form['password']
# if username does not exist
if name not in accounts:
return render_template('login.html', msg='Invalid Username')
# if password invalid
elif accounts[name] != pwd:
return render_template('login.html', msg='Invalid Password')
# if username and password both are correct
elif name in accounts and accounts[name] == pwd:
# set the homepage here
# direct to the homepage
return render_template('homepage.html')
return render_template('login.html')
@app.route('/pythonProject/templates/homepage', methods=['GET', 'POST'])
def home():
if request.method == 'POST':
page = request.form['save_search']
if page not in mySearch:
mySearch.append(page)
return render_template('homepage.html', data=mySearch)
if __name__ == '__main__':
app.run()
# reference:https://codeshack.io/login-system-python-flask-mysql/