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dolmen.authentication-0.3
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Authentication for Grok applications
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | dolmen.authentication-0.3 |
| نام | dolmen.authentication |
| نسخه کتابخانه | 0.3 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Souheil Chelfouh |
| ایمیل نویسنده | souheil@chelfouh.com |
| آدرس صفحه اصلی | http://www.dolmen-project.org |
| آدرس اینترنتی | https://pypi.org/project/dolmen.authentication/ |
| مجوز | GPL |
Sitting on the top the ``zope.pluggableauth`` package,
``dolmen.authentication`` extends it to add reusable component
descriptions and implementations.
Overview
========
``dolmen.authentication`` provides interfaces and components::
>>> import dolmen.authentication
>>> from dolmen.authentication import IAuthenticationInterfaces
>>> from dolmen.authentication import IAuthenticationEvents
>>> from dolmen.authentication import IAuthenticationAPI
>>> IAuthenticationAPI.isOrExtends(IAuthenticationInterfaces)
True
>>> IAuthenticationAPI.isOrExtends(IAuthenticationEvents)
True
>>> from zope.interface.verify import verifyObject
>>> verifyObject(IAuthenticationAPI, dolmen.authentication)
True
Descriptive interfaces
======================
``dolmen.authentication`` provides a set of base interfaces that can be
used to normalize an authentication system::
>>> print IAuthenticationInterfaces.__doc__
This interface describes and exposes the meaningful interfaces
of the authentication module.
>>> interfaceDescription(IAuthenticationInterfaces)
IPrincipalFolder: A container specialized in storing principal representations.
IAccountStatus: Abstraction component allowing to check the status of a principal.
IPrincipal: A principal representation, directly inheriting from zope.security IPrincipal, but redefining several fields for a user-friendly form display.
IGroup: A logical grouping of principals. This component is an IPrincipal itself.
IPasswordProtected: This interface defines any component protected by a password
IPasswordChecker: Abstraction component in charge of resolving a principal'scredentials.
>>> IAuthenticationInterfaces.providedBy(dolmen.authentication.interfaces)
True
>>> verifyObject(IAuthenticationInterfaces, dolmen.authentication.interfaces)
True
Events interfaces and implementations
=====================================
``dolmen.authentication`` provides a set of basic events that can be
used and declined, in order to handle and trace principals' lifecycles::
>>> print IAuthenticationEvents.__doc__
This interface describes and exposes the meaningful events
descriptions and components of the authentication module.
>>> interfaceDescription(IAuthenticationEvents)
IUserLoggedOutEvent: IObjectEvent extending event : a user has logged out.
IUserLoggedInEvent: IObjectEvent extending event : a user has logged in.
UserLogoutEvent: An IUserLoggedOutEvent implementation.
UserLoginEvent: An IUserLoggedInEvent implementation.
>>> IAuthenticationEvents.providedBy(dolmen.authentication.events)
True
>>> verifyObject(IAuthenticationEvents, dolmen.authentication.events)
True
Principal related components
============================
Finally, ``dolmen.authentication`` provides components that can be used to
interact with ``zope.pluggableauth``.
Locatable PrincipalInfo
-----------------------
If your principal is persisted in a container, it is locatable. The principal
representation (IPrincipalInfo), handled by ``zope.pluggableauth``, could
benefit from the principal location's information.
This is what the LocatablePrincipalInfo component provides::
>>> from zope.location import ILocation
>>> from dolmen.authentication import LocatablePrincipalInfo
>>> 'LocatablePrincipalInfo' in IAuthenticationAPI
True
>>> ILocation.implementedBy(LocatablePrincipalInfo)
True
It can be used to link a user to its own representation in the site or
to any object, like a homefolder or a preferences sheet.
This component is registered an adapter, for the IPrincipal components. Let's
create a persisted principal, to check the behavior::
>>> from zope.interface import implements
>>> class User(object):
... implements(dolmen.authentication.IPrincipal)
...
... def __init__(self, id, title):
... self.id = id
... self.title = title
... self.description = u"A test user"
... self.groups = []
>>> myuser = User('Manfred', u"A nice mammoth")
>>> verifyObject(dolmen.authentication.IPrincipal, myuser)
True
Currently, `myuser` is not providing ILocation. Adapting it will work,
but the location information will be unexistant::
>>> from zope.pluggableauth.interfaces import IPrincipalInfo
>>> adapter = IPrincipalInfo(myuser)
>>> adapter
<dolmen.authentication.principal.LocatablePrincipalInfo ...>
>>> IPrincipalInfo.providedBy(adapter)
True
>>> print adapter.__name__
None
>>> print adapter.__parent__
None
Now, if we make the principal a valid ILocation, we can exploit the results::
>>> from zope.interface import alsoProvides
>>> class MyParent(object):
... pass
>>> myuser.__name__ = u"Manfred the mammoth"
>>> myuser.__parent__ = MyParent()
>>> alsoProvides(myuser, ILocation)
>>> adapter = IPrincipalInfo(myuser)
>>> print adapter.__name__
Manfred the mammoth
>>> print adapter.__parent__
<dolmen.authentication.MyParent object at ...>
Now, the principal info can be resolved into an URL and used as a practical
representation of te principal.
Changes
=======
0.3 (2012-01-17)
----------------
- Updates on code to fit last changes in the Dolmen/Grok stack.
0.2 (2010-05-29)
----------------
- the LocatablePrincipalInfo adapter now implements _and_ provides
the IPrincipalInfo interface. This allows the adapter to be used in
the AuthenticatedPrincipalFactory adaptation.
0.1 (2010-03-26)
----------------
- Initial release.
نحوه نصب
نصب پکیج whl dolmen.authentication-0.3:
pip install dolmen.authentication-0.3.whl
نصب پکیج tar.gz dolmen.authentication-0.3:
pip install dolmen.authentication-0.3.tar.gz