'''
Django settings for dicomdb project.

Copyright (c) 2017 <NAME>

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

'''


from django.contrib.auth.models import User
from django.http.response import (
    HttpResponseRedirect, 
    HttpResponseForbidden, 
    Http404
)
from django.shortcuts import (
    get_object_or_404, 
    render_to_response, 
    render, 
    redirect
)
from django.conf import settings
from django.contrib.auth import get_user_model
from django.contrib.auth.models import User
from dicomdb.apps.main.models import *
import collections
from datetime import datetime
from datetime import timedelta
from itertools import chain
from numpy import unique
import operator
import os

def get_user(request,uid):
    '''get a single user, or return 404'''
    keyargs = {'id':uid}
    try:
        user = User.objects.get(**keyargs)
    except User.DoesNotExist:
        raise Http404
    else:
        return user
