2021.4.1 #11
@ -52,17 +52,26 @@ class ServiceProvider(ServiceProviderABC):
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def get_db_context(self) -> Callable[DatabaseContextABC]:
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return self._database_context
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def add_transient(self, service_type: Type[ServiceABC], service: Callable[ServiceABC]):
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def add_transient(self, service_type: Type[ServiceABC], service: Callable[ServiceABC] = None):
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if service is None:
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self._transient_services[service_type] = service_type
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else:
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self._transient_services[service_type] = service
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def add_scoped(self, service_type: Type[ServiceABC], service: Callable[ServiceABC]):
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def add_scoped(self, service_type: Type[ServiceABC], service: Callable[ServiceABC] = None):
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if service is None:
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self._scoped_services[service_type] = service_type
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else:
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self._scoped_services[service_type] = service
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def add_singleton(self, service_type: Type[ServiceABC], service: Callable[ServiceABC]):
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def add_singleton(self, service_type: Type[ServiceABC], service: Callable[ServiceABC] = None):
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for known_service in self._singleton_services:
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if type(known_service) == service_type:
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raise Exception(f'Service with type {service_type} already exists')
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if service is None:
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self._singleton_services[service_type] = self._create_instance(service_type)
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else:
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self._singleton_services[service_type] = self._create_instance(service)
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def get_service(self, instance_type: Type) -> Callable[ServiceABC]:
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@ -18,13 +18,13 @@ class ServiceProviderABC(ABC):
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def get_db_context(self) -> Callable[DatabaseContextABC]: pass
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@abstractmethod
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def add_transient(self, service_type: Type, service: Callable): pass
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def add_transient(self, service_type: Type, service: Callable = None): pass
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@abstractmethod
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def add_scoped(self, service_type: Type, service: Callable): pass
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def add_scoped(self, service_type: Type, service: Callable = None): pass
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@abstractmethod
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def add_singleton(self, service_type: Type, service: Callable): pass
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def add_singleton(self, service_type: Type, service: Callable = None): pass
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@abstractmethod
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def get_service(self, instance_type: Type) -> Callable[ServiceABC]: pass
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