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[Bug 578967] Re: Interface IEvent doesn't have a right reference for the IHistory Interface due a circular reference/import problem.

To: oship-dev@xxxxxxxxxxxxxxxxxxx
From: Diego Manhães Pinheiro <dmpinheiro@xxxxxxxxx>
Date: Wed, 16 Jun 2010 22:28:37 -0000
Reply-to: Bug 578967 <578967@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Changed in: oship
       Status: Fix Committed => Fix Released

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Interface IEvent doesn't have a right reference for the IHistory Interface due a circular reference/import problem.
https://bugs.launchpad.net/bugs/578967
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Status in Open Source Health Information Platform (OSHIP): Fix Released

Bug description:
The IEvent class doesn't have a right definition of it's attributes. It has a attribute called parent, intended to express it's relation with the IHistory interface, but the attribute is defined to provide a restriction with a IObjectRef instead. If this restriction is changed to the correct Interface (IHistory), the python interpreter don't find the correct interface, which is declared at the same file. If you put the IHistory interface definition before the IEvent class in order to the python interpreter find it, another error appears: The IHistory has a reference to the IEvent Interface, creating a circular problem.

References

[Bug 578967] [NEW] Interface IEvent doesn't have a right reference for the IHistory Interface due a circular reference/import problem.
From: Diego Manhães Pinheiro, 2010-05-11