recursively get all dependencies for an object

core.py

    ....
    def deps(self, id):
        def getMoreDeps(id, prevdeps=list()):
            deps = self.get(id)[0].depends
            
            for dep in deps:
                if not dep in prevdeps:
                    prevdeps = getMoreDeps(dep, prevdeps)
            
            prevdeps.extend(deps)
            
            return prevdeps
        
        return getMoreDeps(id)
    ....