+
−from django.contrib.auth.forms import AuthenticationForm
+
−from django.contrib.auth.forms import PasswordResetForm, PasswordChangeForm
+
−from django import oldforms
+
−from django.shortcuts import render_to_response
+
−from django.template import RequestContext
+
−from django.contrib.sites.models import Site, RequestSite
+
−from django.http import HttpResponseRedirect
+
−from django.contrib.auth.decorators import login_required
+
−from django.contrib.auth import REDIRECT_FIELD_NAME
+
−from django.utils.translation import ugettext as _
+
−
+
−def login(request, template_name='registration/login.html', redirect_field_name=REDIRECT_FIELD_NAME):
+
−    "Displays the login form and handles the login action."
+
−    manipulator = AuthenticationForm(request)
+
−    redirect_to = request.REQUEST.get(redirect_field_name, '')
+
−    if request.POST:
+
−        errors = manipulator.get_validation_errors(request.POST)
+
−        if not errors:
+
−            # Light security check -- make sure redirect_to isn't garbage.
+
−            if not redirect_to or '//' in redirect_to or ' ' in redirect_to:
+
−                from django.conf import settings
+
−                redirect_to = settings.LOGIN_REDIRECT_URL
+
−            from django.contrib.auth import login
+
−            login(request, manipulator.get_user())
+
−            request.session.delete_test_cookie()
+
−            return HttpResponseRedirect(redirect_to)
+
−    else:
+
−        errors = {}
+
−    request.session.set_test_cookie()
+
−
+
−    if Site._meta.installed:
+
−        current_site = Site.objects.get_current()
+
−    else:
+
−        current_site = RequestSite(request)
+
−
+
−    return render_to_response(template_name, {
+
−        'form': oldforms.FormWrapper(manipulator, request.POST, errors),
+
−        redirect_field_name: redirect_to,
+
−        'site_name': current_site.name,
+
−    }, context_instance=RequestContext(request))
+
−
+
−def logout(request, next_page=None, template_name='registration/logged_out.html'):
+
−    "Logs out the user and displays 'You are logged out' message."
+
−    from django.contrib.auth import logout
+
−    logout(request)
+
−    if next_page is None:
+
−        return render_to_response(template_name, {'title': _('Logged out')}, context_instance=RequestContext(request))
+
−    else:
+
−        # Redirect to this page until the session has been cleared.
+
−        return HttpResponseRedirect(next_page or request.path)
+
−
+
−def logout_then_login(request, login_url=None):
+
−    "Logs out the user if he is logged in. Then redirects to the log-in page."
+
−    if not login_url:
+
−        from django.conf import settings
+
−        login_url = settings.LOGIN_URL
+
−    return logout(request, login_url)
+
−
+
−def redirect_to_login(next, login_url=None, redirect_field_name=REDIRECT_FIELD_NAME):
+
−    "Redirects the user to the login page, passing the given 'next' page"
+
−    if not login_url:
+
−        from django.conf import settings
+
−        login_url = settings.LOGIN_URL
+
−    return HttpResponseRedirect('%s?%s=%s' % (login_url, redirect_field_name, next))
+
−
+
−def password_reset(request, is_admin_site=False, template_name='registration/password_reset_form.html',
+
−        email_template_name='registration/password_reset_email.html'):
+
−    new_data, errors = {}, {}
+
−    form = PasswordResetForm()
+
−    if request.POST:
+
−        new_data = request.POST.copy()
+
−        errors = form.get_validation_errors(new_data)
+
−        if not errors:
+
−            if is_admin_site:
+
−                form.save(domain_override=request.META['HTTP_HOST'])
+
−            else:
+
−                form.save(email_template_name=email_template_name)
+
−            return HttpResponseRedirect('%sdone/' % request.path)
+
−    return render_to_response(template_name, {'form': oldforms.FormWrapper(form, new_data, errors)},
+
−        context_instance=RequestContext(request))
+
−
+
−def password_reset_done(request, template_name='registration/password_reset_done.html'):
+
−    return render_to_response(template_name, context_instance=RequestContext(request))
+
−
+
−def password_change(request, template_name='registration/password_change_form.html'):
+
−    new_data, errors = {}, {}
+
−    form = PasswordChangeForm(request.user)
+
−    if request.POST:
+
−        new_data = request.POST.copy()
+
−        errors = form.get_validation_errors(new_data)
+
−        if not errors:
+
−            form.save(new_data)
+
−            return HttpResponseRedirect('%sdone/' % request.path)
+
−    return render_to_response(template_name, {'form': oldforms.FormWrapper(form, new_data, errors)},
+
−        context_instance=RequestContext(request))
+
−password_change = login_required(password_change)
+
−
+
−def password_change_done(request, template_name='registration/password_change_done.html'):
+
−    return render_to_response(template_name, context_instance=RequestContext(request))