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−#!/usr/bin/python2.5
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−#
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−# Copyright 2008 the Melange authors.
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−#
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−# Licensed under the Apache License, Version 2.0 (the "License");
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−# you may not use this file except in compliance with the License.
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−# You may obtain a copy of the License at
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−# 
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−#   http://www.apache.org/licenses/LICENSE-2.0
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−# 
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−# Unless required by applicable law or agreed to in writing, software
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−# distributed under the License is distributed on an "AS IS" BASIS,
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−# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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−# See the License for the specific language governing permissions and
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−# limitations under the License.
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−
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−"""This module contains the User Model."""
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−
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−__authors__ = [
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−  '"Todd Larsen" <tlarsen@google.com>',
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−  '"Sverre Rabbelier" <sverre@rabbelier.nl>',
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−  '"Pawel Solyga" <pawel.solyga@gmail.com>',
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−]
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−
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−
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−from google.appengine.api import users
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−from google.appengine.ext import db
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−
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−from django.utils.translation import ugettext_lazy
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−
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−import soc.models.linkable
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−
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−
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−class User(soc.models.linkable.Linkable):
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−  """A user and associated login credentials, the fundamental identity entity.
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−
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−  User is a separate Model class from Person because the same login 
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−  ID may be used to, for example, serve as Contributor in one Program 
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−  and a Reviewer in another.
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−
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−  Also, this allows a Person to, in the future, re-associate that 
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−  Person entity with a different Google Account if necessary.
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−
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−  A User entity participates in the following relationships implemented 
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−  as a db.ReferenceProperty elsewhere in another db.Model:
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−
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−   persons)  a 1:many relationship of Person entities identified by the
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−     User.  This relation is implemented as the 'persons' back-reference
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−     Query of the Person model 'user' reference.
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−     
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−   documents)  a 1:many relationship of Document entities identified by the
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−     User.  This relation is implemented as the 'user' back-reference
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−     Query of the Document model 'user' reference.
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−
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−   groups)  a 1:many relationship of Group entities "founded" by the User.
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−     This relation is implemented as the 'groups' back-reference Query of
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−     the Group model 'founder' reference.
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−
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−   responses)  a 1:many relationship of Reponse entities submitted by the
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−     User.  This relation is implemented as the 'responses' back-reference
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−     Query of the Response model 'respondent' reference.
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−  """
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−
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−  #: A Google Account, which also provides a "private" email address.
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−  #: This email address is only used in an automated fashion by 
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−  #: Melange web applications and is not made visible to other users 
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−  #: of any Melange application.
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−  account = db.UserProperty(required=True,
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−      verbose_name=ugettext_lazy('User account'))
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−  account.help_text = ugettext_lazy(
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−      'A valid Google Account.')
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−
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−  #: A list (possibly empty) of former Google Accounts associated with
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−  #: this User.
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−  former_accounts = db.ListProperty(users.User)
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−
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−  #: Required field storing publicly-displayed name.  Can be a real name
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−  #: (though this is not recommended), or a nick name or some other public
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−  #: alias.  Public names can be any valid UTF-8 text.
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−  name = db.StringProperty(required=True,
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−      verbose_name=ugettext_lazy('Public name'))
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−  name.help_text = ugettext_lazy(
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−      'Human-readable name (UTF-8) that will be displayed publicly on the'
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−      ' site.')
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−      
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−  #: field storing whether User is a Developer with site-wide access.
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−  is_developer = db.BooleanProperty(
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−      verbose_name=ugettext_lazy('Is Developer'))
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−  is_developer.help_text = ugettext_lazy(
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−      'Field used to indicate user with site-wide Developer access.')
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−