[Grok-dev] Re: AttributeError: type object 'ISessionDataContainer' has no attribute 'isOrExtends'

[Peter Bengtsson]

2008/6/14 Philipp von Weitershausen <philipp at weitershausen.de>:
> On 14 Jun 2008, at 13:19 , Peter Bengtsson wrote:
>
>> 2008/6/14 Philipp von Weitershausen <philipp at weitershausen.de>:
>>>
>>> Peter Bengtsson wrote:
>>>>
>>>> I tried to copycat the LoginDemo application from grokapps (with some
>>>> slight modifications for my usage)
>>>> But it get this error:
>>>>
>>>>
>>>> $ ./bin/zopectl fg
>>>> /home/peterbe/dev/GROK/TheGrokWay/parts/app/runzope -C
>>>> /home/peterbe/dev/GROK/TheGrokWay/parts/zopectl/zope.conf
>>>> Traceback (most recent call last):
>>>
>>> ...
>>>>
>>>> AttributeError: type object 'ISessionDataContainer' has no attribute
>>>> 'isOrExtends'
>>>
>>> This has become a FAQ now: you have pickles that refer to
>>> zope.app.session,
>>> but the code was now moved to zope.session. Even though zope.app.session
>>> has
>>> backward-compatibility code for this case, your application probably no
>>> longer pulls in zope.app.session because it has no apparent dependency to
>>> that package. Workaround: make your application depend on
>>> zope.app.session
>>> and it should work again.
>>>
>>> A similar problem may occur with zope.app.securitypolicy as well.
>>>
>>
>> My app does not import either zope.session or zope.app.session.
>
> That doesn't matter. Zope will, by default, turn the root folder into an
> ISite with a local session data container utility.
>
>> It does however import zope.app.security.interfaces
>>
>> You said I should try to make it depend on zope.app.session again, so
>> I tried to put `import zope.app.session` on the first line of
>> __init__.py but it didn't help.
>
> When I said "depend", i meant adding 'zope.app.session' to the
> install_requires argument in setup.py and re-running bin/buildout. Then the
> zope.app.session egg will be installed and the zope.app.session package is
> available again.
>
You rock! But...
Now it says:
AttributeError: type object 'IClientIdManager' has no attribute 'isOrExtends'

What's the next? (I tred adding zope.app.securitypolicy to install_requires)


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Peter Bengtsson,
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