main.py

   1 #!/usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3
   4 from flask import Flask, request, session, g, redirect, url_for, abort, \
   5     render_template, flash
   6 import sqlite3
   7 from datetime import date, timedelta
   8
   9 DATABASE = '/tmp/cavote.db'
  10 SECRET_KEY = '{J@uRKO,xO-PK7B,jF?>iHbxLasF9s#zjOoy=+:'
  11 DEBUG = True
  12 USERNAME = 'admin'
  13 PASSWORD = 'admin'
  14
  15 app = Flask(__name__)
  16 app.config.from_object(__name__)
  17
  18 def connect_db():
  19         return sqlite3.connect(app.config['DATABASE'])
  20
  21 @app.before_request
  22 def before_request():
  23     g.db = connect_db()
  24
  25 @app.teardown_request
  26 def teardown_request(exception):
  27     g.db.close()
  28
  29 @app.route('/admin/votes')
  30 def show_votes():
  31     cur = g.db.execute('select title, description, date from votes order by id desc')
  32     votes = [dict(title=row[0], description=row[1], date=row[2]) for row in cur.fetchall()]
  33     return render_template('show_votes.html', votes=votes)
  34
  35 @app.route('/admin/vote/add', methods=['POST'])
  36 def add_vote():
  37     if not session.get('logged_in'):
  38         abort(401)
  39     g.db.execute('insert into votes (title, description, date) values (?, ?, ?)',
  40             [request.form['title'], request.form['description'], date.today() + timedelta(days=60)])
  41     g.db.commit()
  42     flash('New entry was successfully posted')
  43     return redirect(url_for('show_votes'))
  44
  45 @app.route('/login', methods=['GET', 'POST'])
  46 def login():
  47     error = None
  48     if request.method == 'POST':
  49         if request.form['username'] != app.config['USERNAME']:
  50             error = 'Invalid username'
  51         elif request.form['password'] != app.config['PASSWORD']:
  52             error = 'Invalid password'
  53         else:
  54             session['logged_in'] = True
  55             flash('You were logged in')
  56             return redirect(url_for('show_votes'))
  57     return render_template('login.html', error=error)
  58
  59 @app.route('/logout')
  60 def logout():
  61     session.pop('logged_in', None)
  62     flash('You were logged out')
  63     return redirect(url_for('show_votes'))
  64
  65
  66
  67 if __name__ == '__main__':
  68     app.run()
  69
  70