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app.py
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app.py
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#!/usr/bin/env python
# encoding: utf-8
import json
import cloudfiles
from flask import Flask, request, session, g, redirect, url_for, \
abort, render_template, flash
from flask.ext.login import LoginManager, login_required, login_user, logout_user
from flask.ext.sqlalchemy import SQLAlchemy
app = Flask(__name__)
app.config.from_object(__name__)
app.config.from_envvar('IMGR_SETTINGS')
db = SQLAlchemy(app)
login_manager = LoginManager()
login_manager.login_view = "login"
login_manager.setup_app(app)
class User(db.Model):
__tablename__ = 'users'
id = db.Column(db.Integer, primary_key=True)
username = db.Column(db.String(80), unique=True)
email = db.Column(db.String(120), unique=True)
password = db.Column(db.String(32))
def __init__(self, username, email, password):
self.username = username
self.email = email
self.password = password
def __repr__(self):
return '<User %r>' % self.username
def is_authenticated(self):
return True
def is_active(self):
return True
def is_anonymous(self):
return False
def get_id(self):
return u"%s" % self.id
@login_manager.user_loader
def load_user(userid):
try:
return User.query.filter_by(id=userid).one()
except:
return None
@app.route("/login", methods=["GET", "POST"])
def login():
if request.method == "POST":
email = request.form["email"]
password = request.form["password"]
remember = request.form.get('rememberme', False)
next_page = request.args.get('next', '/')
print request.args['next']
print "next page: %s" % next_page
try:
user = User.query.filter_by(email=email, password=password).one()
except:
flash('bad email/password', category="error")
return redirect(url_for('login'))
login_user(user, remember=remember)
flash("you have been logged in", category="success")
return redirect('/')
else:
next_page = request.args.get('next', '/')
return render_template("users_login.html", next=next_page)
@app.route("/logout")
@login_required
def logout():
logout_user()
return redirect('/')
def cf_connect():
cf = cloudfiles.Connection(app.config['CF_USER'], app.config['CF_KEY'])
container = cf.get_container(app.config['CONTAINER'])
return container
def cf_get_dirs():
container = cf_connect()
dirs = container.list_objects(delimiter='/', prefix=app.config['PREFIX'])
return dirs
@app.route('/')
@login_required
def index():
return render_template('index.html')
@app.route('/new', methods=["GET"])
@login_required
def get_new():
"""display form for adding new image"""
return render_template('new.html', dirs=cf_get_dirs())
@app.route('/new', methods=["POST"])
@login_required
def post_new():
"""create/upload new image"""
container = cf_connect()
image = request.files['image']
if image:
cf_image = container.list_objects(
prefix="%s/" % image.filename, delimiter="/")
if len(cf_image):
return "Already exists, try another name."
else:
cf_image = container.create_object(image.filename)
cf_image.content_type = image.content_type
cf_image.write(image.read())
return redirect(url_for('list'))
else:
return "need image."
@app.route('/list')
@login_required
def list():
"""docstring for list"""
marker = request.args.get('marker', '')
container = cf_connect()
images = container.get_objects(
prefix=app.config['PREFIX'], limit=100, marker=marker)
if len(images) >= 100:
return render_template('list.html', images=images, prev=images[0].name,
next=images[-1].name, cname=app.config['CNAME'])
else:
return render_template('list.html', images=images,
cname=app.config['CNAME'])
@app.route('/delete/<path:image_name>', methods=['GET'])
@app.route('/<path:image_name>', methods=['DELETE'])
@login_required
def delete(image_name):
if image_name:
container = cf_connect()
try:
image = container.get_object(image_name)
container.delete_object(image.name)
return redirect(url_for('list'))
except cloudfiles.errors.NoSuchObject:
abort(404)
else:
abort(404)
@app.route('/help', methods=['GET'])
@login_required
def help():
abort(404)
@app.errorhandler(404)
def page_not_found(error):
return render_template('4xx.html', code='404',
message="Sorry, we couldn't find what you were looking for."), 404
@app.errorhandler(405)
def page_not_found(error):
return render_template('4xx.html', code=405,
message="That method is not allowed here."), 405
if __name__ == "__main__":
app.run(host='0.0.0.0', debug=True)