[Zope3-Users] Interfaces with circular references

[Hermann Himmelbauer]

Hi,
Does someone know how to create interfaces with circular references?

E.g.:

class IHusband(Interface):
   wife = Object(schema=IWife)

class IWife(Interface):
   husband = Object(schema=IHusband)

What's the suggested solution to this problem?

Perhaps I should modify the classes after they are declared, e.g.:

class IHusband(Interface):
   pass

class IWife(Interface):
   pass

IHusband.wife = Object(schema = IWife)
IWife.husband = Object(schema = IHusband)

Or is there a better solution?

Best Regards,
Hermann

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