Hi All,

Apologies for the cross post, but this problem is occurring with a repoze.bfg app running on apache using mod_wsgi, and the exception is suggesting something zope.interface related...

So, firstly, it only happens intermittently, and I haven't been able to figure out any pattern to the exceptions. It didn't used to happen at all (this app has been happily running for a year or so now) but I can't think of anything that's changed on the machine in question that might cause this. Restarting Apache does appear to cure it for a bit...

The exception is as follows:

File "aircon/bin/mod_wsgi", line 34, in <module>
  from aircon.web import make_app
File "aircon/aircon/web.py", line 2, in <module>
  from aircon.config import system,Session
File "aircon/aircon/config.py", line 1, in <module>
  from gb50 import System
File "aircon/aircon/gb50.py", line 33, in <module>
  class System:
File "zope.interface-3.6.1-py2.6-linux-i686.egg/zope/interface/advice.py", line 141, in advise
  return callback(newClass)
File "zope.interface-3.6.1-py2.6-linux-i686.egg/zope/interface/declarations.py", line 471, in _implements_advice
  classImplements(cls, *interfaces)
File "zope.interface-3.6.1-py2.6-linux-i686.egg/zope/interface/declarations.py", line 447, in classImplements
  spec = implementedBy(cls)
File "zope.interface-3.6.1-py2.6-linux-i686.egg/zope/interface/declarations.py", line 287, in implementedByFallback
  spec = cls.__dict__.get('__implemented__')
2011] [error] [client] RuntimeError: class.__dict__ not accessible in restricted mode

the section of gb50.py looks like:

from aircon.interfaces import ISystem,IUnit
from zope.interface import implements

class System:



The interface is:

from zope.interface import Interface,Attribute

class ISystem(Interface):

Anyone seen anything like this before or have any ideas?



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