login(request, template_name=`registration/login.html`, redirect_field_name='next', authentication_form=AuthenticationForm, current_app=None, extra_context=None, redirect_authenticated_user=False) URL name: login See the URL documentation for details on using named URL patterns. Optional arguments: template_name: The name of a template to display for the view used to log the user in. Defaults to registration/login.html. redirect_field_name: The name of a GET field containing the URL to red

logout(request, next_page=None, template_name='registration/logged_out.html', redirect_field_name='next', current_app=None, extra_context=None) Logs a user out. URL name: logout Optional arguments: next_page: The URL to redirect to after logout. Defaults to settings.LOGOUT_REDIRECT_URL if not supplied. template_name: The full name of a template to display after logging the user out. Defaults to registration/logged_out.html if no argument is supplied. redirect_field_name: The name of a GET

logout_then_login(request, login_url=None, current_app=None, extra_context=None) Logs a user out, then redirects to the login page. URL name: No default URL provided Optional arguments: login_url: The URL of the login page to redirect to. Defaults to settings.LOGIN_URL if not supplied. current_app: A hint indicating which application contains the current view. See the namespaced URL resolution strategy for more information. extra_context: A dictionary of context data that will be added to

class validators.UnicodeUsernameValidator New in Django 1.10. A field validator allowing Unicode letters, in addition to @, ., +, -, and _. The default validator for User.username on Python 3.

class validators.ASCIIUsernameValidator New in Django 1.10. A field validator allowing only ASCII letters, in addition to @, ., +, -, and _. The default validator for User.username on Python 2.

user_login_failed() Sent when the user failed to login successfully sender The name of the module used for authentication. credentials A dictionary of keyword arguments containing the user credentials that were passed to authenticate() or your own custom authentication backend. Credentials matching a set of ‘sensitive’ patterns, (including password) will not be sent in the clear as part of the signal.

update_session_auth_hash(request, user) [source] This function takes the current request and the updated user object from which the new session hash will be derived and updates the session hash appropriately. Example usage: from django.contrib.auth import update_session_auth_hash def password_change(request): if request.method == 'POST': form = PasswordChangeForm(user=request.user, data=request.POST) if form.is_valid(): form.save() update_session_

password_validators_help_text_html(password_validators=None) Returns an HTML string with all help texts in an <ul>. This is helpful when adding password validation to forms, as you can pass the output directly to the help_text parameter of a form field.

user_logged_in() Sent when a user logs in successfully. Arguments sent with this signal: sender The class of the user that just logged in. request The current HttpRequest instance. user The user instance that just logged in.

validate_password(password, user=None, password_validators=None) [source] Validates a password. If all validators find the password valid, returns None. If one or more validators reject the password, raises a ValidationError with all the error messages from the validators. The user object is optional: if it’s not provided, some validators may not be able to perform any validation and will accept any password.