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flaskr.py
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flaskr.py
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from flask import Flask, request, session, redirect, url_for, \
abort, render_template, flash
from database import db_session
from models import Entry
# from werkzeug import url_decode
# class MethodRewriteMiddleware(object):
# def __init__(self, app):
# self.app = app
# def __call__(self, environ, start_response):
# if 'METHOD_OVERRIDE' in environ.get('QUERY_STRING', ''):
# args = url_decode(environ['QUERY_STRING'])
# method = args.get('__METHOD_OVERRIDE__')
# if method:
# method = method.encode('ascii', 'replace')
# environ['REQUEST_METHOD'] = method
# return self.app(environ, start_response)
# configuration
DATABASE = '/tmp/flaskr.db'
DEBUG = True
SECRET_KEY = 'development key'
USERNAME = 'admin'
PASSWORD = 'default'
# create our little application :)
app = Flask(__name__)
app.config.from_object(__name__)
@app.teardown_request
def shutdown_session(exception=None):
db_session.remove()
@app.route('/', methods=['GET', 'PUT'])
def show_entries():
entries = Entry.query.all()
return render_template('show_entries.html', entries=entries)
@app.route('/add', methods=['POST'])
def add_entry():
if not session.get('logged_in'):
abort(401)
entry = Entry(request.form['title'], request.form['text'])
db_session.add(entry)
db_session.commit()
flash(u'New entry was successfully posted')
return redirect(url_for('show_entries'))
@app.route('/login', methods=['GET', 'POST'])
def login():
error = None
if request.method == 'POST':
if request.form['username'] != app.config['USERNAME']:
error = 'Invalid username'
elif request.form['password'] != app.config['PASSWORD']:
error = 'Invalid password'
else:
session['logged_in'] = True
flash('You were logged in')
return redirect(url_for('show_entries'))
return render_template('login.html', error=error)
@app.route('/logout')
def logout():
session.pop('logged_in', None)
flash('You were logged out')
return redirect(url_for('show_entries'))
@app.route('/delete/<int:entry_id>', methods=['POST', 'DELETE'])
def delete_entry(entry_id):
if not session.get('logged_in'):
abort(401)
entry = Entry.query.filter(Entry.id == entry_id).first()
db_session.delete(entry)
db_session.commit()
flash(u'The entry was successfully deleted')
return redirect(url_for('show_entries'))
@app.route('/edit/<int:entry_id>')
def edit_entry(entry_id):
if not session.get('logged_in'):
abort(401)
entry = Entry.query.filter(Entry.id == entry_id).first()
return render_template('show_entry.html', entry=entry)
@app.route('/edit/<int:entry_id>', methods=['POST', 'PUT'])
def update_entray(entry_id):
if not session.get('logged_in'):
abort(401)
entry = Entry.query.filter(Entry.id == entry_id).first()
entry.title, entry.text = request.form['title'], request.form['text']
db_session.commit()
flash(u'The entry was successfully updated')
return redirect(url_for('show_entries'))
if __name__ == '__main__':
app.run(host='0.0.0.0', port=80)