[Grok-dev] Data.fs grow as result of create and remove principal

[Sebastian Ware]

The sessions are persistent and stored in the ZODB by default. You can  
restart the server and all the sessions are still active. This is very  
useful.

Mvh Sebastian

11 mar 2009 kl. 10.55 skrev Jens Adner:

> Hi there,
>
> my app is on a good way, all fine, ldap-auth is working and I am happy
> with grok.
>
> There is one small problem left I have. But it's not a real problem.
>
> The problem is, Data.fs is growing every time a principal is  
> greating or
> removing by logging in or out.
>
> This is my code:
>
> app.py
> ---------------------------------------------------------------------
> class Foo(grok.Application, GlobalContainer):
>
>   grok.local_utility(ldapauth.LdapAuth,
>                     provides=IAuthenticatorPlugin,name='ldapauth2')
>   grok.local_utility(ldapauth.MyCreds,
>                     provides=ICredentialsPlugin,name='loginform2')
>
>   grok.local_utility(ldapauth.MyPau,provides=IAuthentication)
> ---------------------------------------------------------------------
>
> and
>
> ldapauth.py
> ---------------------------------------------------------------------
> ...
> from zope.app.authentication.session import SessionCredentialsPlugin
>
> class LdapAuth(ldappas.authentication.LDAPAuthentication):
>  def __init__(self):
>    self.adapterName = 'fhsLdapAdapter'
>    self.searchBase = 'dc=fh-sm,dc=de'
>    ...
>
> class MyCreds(SessionCredentialsPlugin):
>  pass
>
> class MyPau(authentication.PluggableAuthentication):
>  def __init__(self):
>    super(MyPau,self).__init__()
>    self.credentialsPlugins = ('loginform2',)
>    self.authenticatorPlugins = ('ldapauth2',)
>    self.prefix = u'pau2.'
>
> ----------------------------------------------------------------------
>
>
> and in addition I create roles and perms:
>
> -----------------------------------------------------
> ...
> @grok.subscribe(IPrincipalCreated)
> def update_principal_info_from_ldap(event):
> principal = event.principal
> app = grok.getSite()
> ....
> -----------------------------------------------------
>
> Data.fs is growing after login and logout about 500 Byte or so.
>
> I can pack the Data.fs with self.request.publication.db.pack(), but  
> this
> is not the best way.
>
>
> My Question is, why Data.fs grow? I don't create Data in my app. I  
> think
> this is a session problem, maybe the session will create in Data.fs,  
> not
> in RAM.
>
> Thx for your help
> Jens
>
> -- 
> ++++++++ Jens Adner IuK-Zentrum Fachhochschule Schmalkalden +++++++++
> ++++++++ Fon: +49 3683688 9201  Fax: +49 3683688 989201     +++++++++
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