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('/')
  32 def home():
  33     return render_template('index.html')
  34
  35 @app.route('/admin/votes')
  36 def show_votes():
  37     cur = g.db.execute('select title, description, date from votes order by id desc')
  38     votes = [dict(title=row[0], description=row[1], date=row[2]) for row in cur.fetchall()]
  39     return render_template('show_votes.html', votes=votes)
  40
  41 @app.route('/admin/vote/add', methods=['POST'])
  42 def add_vote():
  43     if not session.get('logged_in'):
  44         abort(401)
  45     daten = date.today() + timedelta(days=60)
  46     ndate = daten.strftime('%d %B %Y')
  47     g.db.execute('insert into votes (title, description, date) values (?, ?, ?)',
  48             [request.form['title'], request.form['description'], ndate])
  49     g.db.commit()
  50     flash('New entry was successfully posted')
  51     return redirect(url_for('home'))
  52
  53 @app.route('/login', methods=['GET', 'POST'])
  54 def login():
  55     error = None
  56     if request.method == 'POST':
  57         if request.form['username'] != app.config['USERNAME']:
  58             error = 'Invalid username'
  59         elif request.form['password'] != app.config['PASSWORD']:
  60             error = 'Invalid password'
  61         else:
  62             session['logged_in'] = True
  63             session['nickname'] = request.form['username']
  64             flash('You were logged in')
  65             return redirect(url_for('home'))
  66     return render_template('login.html', error=error)
  67
  68 @app.route('/logout')
  69 def logout():
  70     session.pop('logged_in', None)
  71     flash('You were logged out')
  72     return redirect(url_for('home'))
  73
  74
  75
  76 if __name__ == '__main__':
  77     app.run()
  78
  79