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 import locale
   9 locale.setlocale(locale.LC_ALL, '')
  10
  11 DATABASE = '/tmp/cavote.db'
  12 SECRET_KEY = '{J@uRKO,xO-PK7B,jF?>iHbxLasF9s#zjOoy=+:'
  13 DEBUG = True
  14 USERNAME = 'admin'
  15 PASSWORD = 'admin'
  16
  17 app = Flask(__name__)
  18 app.config.from_object(__name__)
  19
  20 def connect_db():
  21         return sqlite3.connect(app.config['DATABASE'])
  22
  23 @app.before_request
  24 def before_request():
  25     g.db = connect_db()
  26
  27 @app.teardown_request
  28 def teardown_request(exception):
  29     g.db.close()
  30
  31 @app.route('/admin/votes')
  32 def show_votes():
  33     cur = g.db.execute('select title, description, date from votes order by id desc')
  34     votes = [dict(title=row[0], description=row[1], date=row[2]) for row in cur.fetchall()]
  35     return render_template('show_votes.html', votes=votes)
  36
  37 @app.route('/admin/vote/add', methods=['POST'])
  38 def add_vote():
  39     if not session.get('logged_in'):
  40         abort(401)
  41     g.db.execute('insert into votes (title, description, date) values (?, ?, ?)',
  42             [request.form['title'], request.form['description'], date.today() + timedelta(days=60)])
  43     g.db.commit()
  44     flash('New entry was successfully posted')
  45     return redirect(url_for('show_votes'))
  46
  47 @app.route('/login', methods=['GET', 'POST'])
  48 def login():
  49     error = None
  50     if request.method == 'POST':
  51         if request.form['username'] != app.config['USERNAME']:
  52             error = 'Invalid username'
  53         elif request.form['password'] != app.config['PASSWORD']:
  54             error = 'Invalid password'
  55         else:
  56             session['logged_in'] = True
  57             flash('You were logged in')
  58             return redirect(url_for('show_votes'))
  59     return render_template('login.html', error=error)
  60
  61 @app.route('/logout')
  62 def logout():
  63     session.pop('logged_in', None)
  64     flash('You were logged out')
  65     return redirect(url_for('show_votes'))
  66
  67
  68
  69 if __name__ == '__main__':
  70     app.run()
  71
  72