[PyQt] How to handle circular imports

[Phil Thompson]

On Thu, 9 Jul 2009 22:32:28 +0200, "Jakob Simon-Gaarde" <sip at skolesys.dk>
wrote:
> Hey there.
> 
> I have a problem regarding sip that I guess is probably trivial.
> 
> I have an C++ API which is contained in one library file. I am over half
> way 
> though making python bindings. In the process of making these bindings I 
> decided to split them op into 7 modules that each handle there logical 
> partition of the problem domain, ie UserService, GroupService,
RoleService,
> 
> etc.
> 
> Until now it has been smooth, I created sip definitions for 20% of the 
> UserService module and when implementing the RoleService I needed 
> specifications from the UserService (UserItem) so I %Import'ed the
> UserService 
> Module in RoleService. Everything worked as it should.
> 
> Then when I wanted to define the remaining 80% of the UserService module
I 
> also needed definitions from RoleService in UserService (RoleItem)...
But, 
> but, but here I ran into problems, cause when I in the RoleService
module's
> 
> sip definitions already imported UserService, I got a circular import
when
> I 
> started importing RoleService in UserService.
> 
> Is this possible to work around?

Only by redesigning your module structure to remove the circular
dependencies.

> the prob:
> this is what happens in sip while processing module A:
> A imports B which then import A
> 
> cause A depends on specs from B and B depends on specs from A
> 
> / Jakob Simon-Gaarde

Phil