decorators.py :  » Content-Management-Systems » PyLucid » PyLucid_standalone » django » contrib » auth » Python Open Source

Home
Python Open Source
1.3.1.2 Python
2.Ajax
3.Aspect Oriented
4.Blog
5.Build
6.Business Application
7.Chart Report
8.Content Management Systems
9.Cryptographic
10.Database
11.Development
12.Editor
13.Email
14.ERP
15.Game 2D 3D
16.GIS
17.GUI
18.IDE
19.Installer
20.IRC
21.Issue Tracker
22.Language Interface
23.Log
24.Math
25.Media Sound Audio
26.Mobile
27.Network
28.Parser
29.PDF
30.Project Management
31.RSS
32.Search
33.Security
34.Template Engines
35.Test
36.UML
37.USB Serial
38.Web Frameworks
39.Web Server
40.Web Services
41.Web Unit
42.Wiki
43.Windows
44.XML
Python Open Source » Content Management Systems » PyLucid 
PyLucid » PyLucid_standalone » django » contrib » auth » decorators.py
try:
    from functools import update_wrapper,wraps
except ImportError:
    from django.utils.functional import update_wrapper,wraps# Python 2.3, 2.4 fallback.

from django.contrib.auth import REDIRECT_FIELD_NAME
from django.http import HttpResponseRedirect
from django.utils.decorators import available_attrs
from django.utils.http import urlquote


def user_passes_test(test_func, login_url=None, redirect_field_name=REDIRECT_FIELD_NAME):
    """
    Decorator for views that checks that the user passes the given test,
    redirecting to the log-in page if necessary. The test should be a callable
    that takes the user object and returns True if the user passes.
    """
    if not login_url:
        from django.conf import settings
        login_url = settings.LOGIN_URL

    def decorator(view_func):
        def _wrapped_view(request, *args, **kwargs):
            if test_func(request.user):
                return view_func(request, *args, **kwargs)
            path = urlquote(request.get_full_path())
            tup = login_url, redirect_field_name, path
            return HttpResponseRedirect('%s?%s=%s' % tup)
        return wraps(view_func, assigned=available_attrs(view_func))(_wrapped_view)
    return decorator


def login_required(function=None, redirect_field_name=REDIRECT_FIELD_NAME):
    """
    Decorator for views that checks that the user is logged in, redirecting
    to the log-in page if necessary.
    """
    actual_decorator = user_passes_test(
        lambda u: u.is_authenticated(),
        redirect_field_name=redirect_field_name
    )
    if function:
        return actual_decorator(function)
    return actual_decorator


def permission_required(perm, login_url=None):
    """
    Decorator for views that checks whether a user has a particular permission
    enabled, redirecting to the log-in page if necessary.
    """
    return user_passes_test(lambda u: u.has_perm(perm), login_url=login_url)
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.