tailbone/tailbone/views/core.py

71 lines
2.1 KiB
Python

# -*- coding: utf-8 -*-
################################################################################
#
# Rattail -- Retail Software Framework
# Copyright © 2010-2015 Lance Edgar
#
# This file is part of Rattail.
#
# Rattail is free software: you can redistribute it and/or modify it under the
# terms of the GNU Affero General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option)
# any later version.
#
# Rattail is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for
# more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with Rattail. If not, see <http://www.gnu.org/licenses/>.
#
################################################################################
"""
Base View Class
"""
from __future__ import unicode_literals
from rattail.db import model
from tailbone.db import Session
class View(object):
"""
Base class for all class-based views.
"""
def __init__(self, request):
self.request = request
@property
def rattail_config(self):
"""
Reference to the effective Rattail config object.
"""
return self.request.rattail_config
def late_login_user(self):
"""
Returns the :class:`rattail:rattail.db.model.User` instance
corresponding to the "late login" form data (if any), or ``None``.
"""
if self.request.method == 'POST':
uuid = self.request.POST.get('late-login-user')
if uuid:
return Session.query(model.User).get(uuid)
def fake_error(request):
"""
View which raises a fake error, to test exception handling.
"""
raise Exception("Fake error, to test exception handling.")
def includeme(config):
config.add_route('fake_error', '/fake-error')
config.add_view(fake_error, route_name='fake_error',
permission='admin')