[Zope] Re: [Warning] Zope 3 component architecture (CA) not reliably usable for registrations from Python

2007-01-11 Thread Philipp von Weitershausen
Chris Withers wrote: Stephan Richter wrote: If you are populating the CA before ZCML is fully parsed, then: Why is the CA predicated on ZCML?! It's not. And Stephan's "Collect all registrations before executing them!" isn't actually necessary either (it's just necessary for conflict resolu

Re: [Zope-dev] Re: [Zope] Re: [Warning] Zope 3 component architecture (CA) not reliably usable for registrations from Python

2007-01-10 Thread Fred Drake
On 1/10/07, Dieter Maurer <[EMAIL PROTECTED]> wrote: *It* must be informed whenever it is used in a different thread. Perhaps it could use some thread-local data to keep track of this? threading.local comes to mind. -Fred -- Fred L. Drake, Jr. "Every sin is the result of a collaboratio

Re: [Zope] Re: [Warning] Zope 3 component architecture (CA) not reliably usable for registrations from Python

2007-01-10 Thread Dieter Maurer
Philipp von Weitershausen wrote at 2007-1-10 15:40 +0100: > ... >Things changed a bit after Zope 2.8/X3 3.0. Nowadays, the Component >Architecture doesn't need any setup anymore and you can do registrations >on import. Very good! >I'd still recommend against that. Why? > ... >That's because F

Re: [Zope] Re: [Warning] Zope 3 component architecture (CA) not reliably usable for registrations from Python

2007-01-10 Thread Dieter Maurer
Martijn Faassen wrote at 2007-1-10 11:45 +0100: > >I'm a bit surprised why the huge [warning] is necessary. What I >understand you're saying is that you cannot use the component >architecture before it's done initializing. The warning comes from bad experience. I have tested my registra

[Zope] Re: [Warning] Zope 3 component architecture (CA) not reliably usable for registrations from Python

2007-01-10 Thread Philipp von Weitershausen
Dieter Maurer wrote: I tried to use Zope3 events to get informed when requests start and end. One of our modules (the interface module to "jpype") requires such a notification for reliable work. Therefore, it tried to register the corresponding subscriptions on import of this module. That is a

[Zope] Re: [Warning] Zope 3 component architecture (CA) not reliably usable for registrations from Python

2007-01-10 Thread Martijn Faassen
Dieter Maurer wrote: I tried to use Zope3 events to get informed when requests start and end. One of our modules (the interface module to "jpype") requires such a notification for reliable work. Therefore, it tried to register the corresponding subscriptions on import of this module. Unfortunate