2021.4.1 #11
@ -4,4 +4,8 @@ from abc import ABC, abstractmethod
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class ServiceABC(ABC):
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@abstractmethod
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def __init__(self): pass
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def __init__(self):
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"""
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ABC to represent a service
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"""
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pass
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@ -14,6 +14,10 @@ from cpl.environment.environment_abc import ApplicationEnvironmentABC
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class ServiceProvider(ServiceProviderABC):
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def __init__(self, app_runtime: ApplicationRuntimeABC):
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"""
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Service for service providing
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:param app_runtime:
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"""
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ServiceProviderABC.__init__(self)
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self._app_runtime: ApplicationRuntimeABC = app_runtime
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self._database_context: Optional[DatabaseContextABC] = None
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@ -23,6 +27,11 @@ class ServiceProvider(ServiceProviderABC):
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self._singleton_services: dict[Type[ServiceABC], Callable[ServiceABC], ServiceABC] = {}
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def _create_instance(self, service: Union[Callable[ServiceABC], ServiceABC]) -> Callable[ServiceABC]:
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"""
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Creates an instance of given type
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:param service:
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:return:
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"""
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sig = signature(service.__init__)
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params = []
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for param in sig.parameters.items():
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@ -9,25 +9,73 @@ from cpl.dependency_injection.service_abc import ServiceABC
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class ServiceProviderABC(ABC):
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@abstractmethod
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def __init__(self): pass
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def __init__(self):
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"""
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ABC for service providing
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"""
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pass
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@abstractmethod
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def add_db_context(self, db_context: Type[DatabaseContextABC]): pass
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def add_db_context(self, db_context: Type[DatabaseContextABC]):
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"""
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Adds database context
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:param db_context:
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:return:
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"""
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pass
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@abstractmethod
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def get_db_context(self) -> Callable[DatabaseContextABC]: pass
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def get_db_context(self) -> Callable[DatabaseContextABC]:
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""""
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Returns database context
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:return Callable[DatabaseContextABC]:
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"""
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pass
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@abstractmethod
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def add_transient(self, service_type: Type, service: Callable = None): pass
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def add_transient(self, service_type: Type, service: Callable = None):
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"""
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Adds a service with transient lifetime
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:param service_type:
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:param service:
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:return:
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"""
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pass
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@abstractmethod
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def add_scoped(self, service_type: Type, service: Callable = None): pass
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def add_scoped(self, service_type: Type, service: Callable = None):
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"""
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Adds a service with scoped lifetime
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:param service_type:
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:param service:
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:return:
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"""
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pass
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@abstractmethod
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def add_singleton(self, service_type: Type, service: Callable = None): pass
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def add_singleton(self, service_type: Type, service: Callable = None):
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"""
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Adds a service with singleton lifetime
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:param service_type:
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:param service:
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:return:
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"""
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pass
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@abstractmethod
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def get_service(self, instance_type: Type) -> Callable[ServiceABC]: pass
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def get_service(self, instance_type: Type) -> Callable[ServiceABC]:
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"""
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Returns instance of given type
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:param instance_type:
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:return:
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"""
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pass
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@abstractmethod
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def remove_service(self, instance_type: type): pass
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def remove_service(self, instance_type: type):
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"""
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Removes service
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:param instance_type:
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:return:
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"""
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pass
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