[Checkins] SVN: zope.pluggableauth/trunk/ restore compatibility of instances of the zope.app.authentication

[Fred Drake]

Log message for revision 114438:
  restore compatibility of instances of the zope.app.authentication
  session credential plugin
  (https://mail.zope.org/pipermail/zope-dev/2010-July/040898.html)
  

Changed:
  U   zope.pluggableauth/trunk/CHANGES.txt
  U   zope.pluggableauth/trunk/setup.py
  U   zope.pluggableauth/trunk/src/zope/pluggableauth/plugins/session.py

-=-
Modified: zope.pluggableauth/trunk/CHANGES.txt
===================================================================
--- zope.pluggableauth/trunk/CHANGES.txt	2010-07-09 20:39:56 UTC (rev 114437)
+++ zope.pluggableauth/trunk/CHANGES.txt	2010-07-09 20:41:13 UTC (rev 114438)
@@ -5,7 +5,11 @@
 1.0.2 (unreleased)
 ------------------
 
-* ...
+* Added persistent.Persistent and zope.container.contained.Contained as
+  bases zope.pluggableauth.plugins.session.SessionCredentialsPlugin, so
+  instances of zope.app.authentication.session.SessionCredentialsPlugin
+  won't be changed.
+  (https://mail.zope.org/pipermail/zope-dev/2010-July/040898.html)
 
 
 1.0.1 (2010-02-11)

Modified: zope.pluggableauth/trunk/setup.py
===================================================================
--- zope.pluggableauth/trunk/setup.py	2010-07-09 20:39:56 UTC (rev 114437)
+++ zope.pluggableauth/trunk/setup.py	2010-07-09 20:41:13 UTC (rev 114438)
@@ -47,6 +47,7 @@
       extras_require=dict(test=['zope.component[test]']),
       install_requires=[
           'ZODB3',
+          'persistent',
           'setuptools',
           'zope.authentication',
           'zope.component',

Modified: zope.pluggableauth/trunk/src/zope/pluggableauth/plugins/session.py
===================================================================
--- zope.pluggableauth/trunk/src/zope/pluggableauth/plugins/session.py	2010-07-09 20:39:56 UTC (rev 114437)
+++ zope.pluggableauth/trunk/src/zope/pluggableauth/plugins/session.py	2010-07-09 20:41:13 UTC (rev 114438)
@@ -15,7 +15,9 @@
 """
 __docformat__ = 'restructuredtext'
 
+import persistent
 import transaction
+import zope.container.contained
 from urllib import urlencode
 
 from zope.interface import implements, Interface
@@ -100,7 +102,8 @@
         default=u"password")
 
 
-class SessionCredentialsPlugin(object):
+class SessionCredentialsPlugin(persistent.Persistent,
+                               zope.container.contained.Contained):
     """A credentials plugin that uses Zope sessions to get/store credentials.
 
     To illustrate how a session plugin works, we'll first setup some session
@@ -175,6 +178,22 @@
       >>> print plugin.extractCredentials(TestRequest())
       None
 
+    Instances are persistent:
+
+      >>> import persistent.interfaces
+
+      >>> persistent.interfaces.IPersistent.providedBy(plugin)
+      True
+      >>> isinstance(plugin, persistent.Persistent)
+      True
+
+    Instances provide IContained:
+
+      >>> import zope.container.interfaces
+
+      >>> zope.container.interfaces.IContained.providedBy(plugin)
+      True
+
     """
     implements(ICredentialsPlugin, IBrowserFormChallenger)