def PBEngineServerFactoryFromService(service):
"""Adapt a IControllerBase to a IPBEngineServerFactory.
:Parameters:
- `service`: A IControllerBase implementing service.
This adapter is not a class because it returns a PBEngineServerFactory
that already has the PB root passed to it. It is really doing
double adaptation so it is a little unusual:
service -> PB root
service -> PBEngineServerFactory
"""
assert IControllerBase.providedBy(service), \
"IControllerBase is not provided by " + repr(service)
root = IPBRemoteEngineRoot(service)
return PBEngineServerFactory(root)
def __init__(self, service):
assert IControllerBase.providedBy(service), \
"IControllerBase is not provided by " + repr(service)
self.service = service