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#!/usr/bin/env python
# vim: set fileencoding=utf8:
"""
Object permission handler for model which has author field
AUTHOR:
lambdalisue[Ali su ae] (lambdalisue@hashnote.net)
Copyright:
Copyright 2011 Alisue allright reserved.
License:
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unliss required by applicable law or agreed to in writing, software
distributed under the License is distrubuted on an "AS IS" BASICS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
"""
__AUTHOR__ = "lambdalisue (lambdalisue@hashnote.net)"
from base import ObjectPermHandler
class AuthorObjectPermHandler(ObjectPermHandler):
"""ObjectPermHandler for model which has author field
This handler contribute..
1. Manager permission to instance author
2. Viewer permission to authenticated user
3. Viewer permission to anonymous user if reject_anonymous is False
"""
author_field = 'author'
reject_anonymous = False
def get_author(self):
"""get author field value"""
return getattr(self.instance, self.author_field)
def setup(self):
# watch author field
self.watch(self.author_field)
def updated(self, attr):
# Author has full access
self.manager(self.get_author())
# Authenticated user can view
self.viewer(None)
if self.reject_anonymous:
self.reject('anonymous')
else:
self.viewer('anonymous')
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