2021.10.2 #48
18
src/cpl_core/dependency_injection/scope.py
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18
src/cpl_core/dependency_injection/scope.py
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@ -0,0 +1,18 @@
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from cpl_core.console.console import Console
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from cpl_core.dependency_injection.scope_abc import ScopeABC
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from cpl_core.dependency_injection.service_provider_abc import ServiceProviderABC
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class Scope(ScopeABC):
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def __init__(self, service_provider: ServiceProviderABC):
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self._service_provider = service_provider
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self._service_provider.set_scope(self)
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@property
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def service_provider(self) -> ServiceProviderABC:
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return self._service_provider
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def dispose(self):
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self._service_provider = None
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24
src/cpl_core/dependency_injection/scope_abc.py
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24
src/cpl_core/dependency_injection/scope_abc.py
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@ -0,0 +1,24 @@
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from abc import ABC, abstractmethod
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class ScopeABC(ABC):
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r"""ABC for the class :class:`cpl_core.dependency_injection.scope.Scope`"""
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def __init__(self):
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pass
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@property
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@abstractmethod
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def service_provider(self):
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r"""Returns to service provider of scope
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Returns
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-------
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Object of type :class:`cpl_core.dependency_injection.service_provider_abc.ServiceProviderABC`
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"""
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pass
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@abstractmethod
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def dispose():
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r"""Sets service_provider to None
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"""
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pass
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19
src/cpl_core/dependency_injection/scope_builder.py
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19
src/cpl_core/dependency_injection/scope_builder.py
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@ -0,0 +1,19 @@
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from cpl_core.dependency_injection.scope import Scope
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from cpl_core.dependency_injection.scope_abc import ScopeABC
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from cpl_core.dependency_injection.service_provider_abc import ServiceProviderABC
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class ScopeBuilder:
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r"""Class to build :class:`cpl_core.dependency_injection.scope.Scope`"""
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def __init__(self, service_provider: ServiceProviderABC) -> None:
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self._service_provider = service_provider
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def build(self) -> ScopeABC:
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r"""Returns scope
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Returns
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-------
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Object of type :class:`cpl_core.dependency_injection.scope.Scope`
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"""
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return Scope(self._service_provider)
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@ -4,5 +4,5 @@ from enum import Enum
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class ServiceLifetimeEnum(Enum):
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singleton = 0
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scoped = 1 # not supported yet
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scoped = 1
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transient = 2
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@ -1,10 +1,13 @@
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from collections import Callable
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import copy
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from inspect import signature, Parameter
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from typing import Optional
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from cpl_core.configuration.configuration_abc import ConfigurationABC
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from cpl_core.configuration.configuration_model_abc import ConfigurationModelABC
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from cpl_core.database.context.database_context_abc import DatabaseContextABC
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from cpl_core.dependency_injection.scope_abc import ScopeABC
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from cpl_core.dependency_injection.scope_builder import ScopeBuilder
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from cpl_core.dependency_injection.service_provider_abc import ServiceProviderABC
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from cpl_core.dependency_injection.service_descriptor import ServiceDescriptor
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from cpl_core.dependency_injection.service_lifetime_enum import ServiceLifetimeEnum
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@ -30,6 +33,7 @@ class ServiceProvider(ServiceProviderABC):
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self._service_descriptors: list[ServiceDescriptor] = service_descriptors
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self._configuration: ConfigurationABC = config
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self._database_context = db_context
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self._scope: Optional[ScopeABC] = None
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def _find_service(self, service_type: type) -> ServiceDescriptor:
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for descriptor in self._service_descriptors:
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@ -84,8 +88,15 @@ class ServiceProvider(ServiceProviderABC):
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params.append(self._get_service(parameter))
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return service_type(*params)
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def set_scope(self, scope: ScopeABC):
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self._scope = scope
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def create_scope(self) -> ScopeABC:
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sb = ScopeBuilder(ServiceProvider(copy.deepcopy(self._service_descriptors), self._configuration, self._database_context))
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return sb.build()
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def get_service(self, service_type: type) -> Optional[Callable]:
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def get_service(self, service_type: type) -> Optional[Callable[object]]:
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result = self._find_service(service_type)
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if result is None:
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@ -95,7 +106,7 @@ class ServiceProvider(ServiceProviderABC):
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return result.implementation
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implementation = self.build_service(service_type)
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if result.lifetime == ServiceLifetimeEnum.singleton:
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if result.lifetime == ServiceLifetimeEnum.singleton or result.lifetime == ServiceLifetimeEnum.scoped and self._scope is not None:
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result.implementation = implementation
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return implementation
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@ -2,6 +2,8 @@ from abc import abstractmethod, ABC
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from collections import Callable
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from typing import Type, Optional
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from cpl_core.dependency_injection.scope_abc import ScopeABC
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class ServiceProviderABC(ABC):
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r"""ABC for the class :class:`cpl_core.dependency_injection.service_provider.ServiceProvider`"""
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@ -24,9 +26,30 @@ class ServiceProviderABC(ABC):
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Object of the given type
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"""
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pass
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@abstractmethod
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def set_scope(self, scope: ScopeABC):
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r"""Sets the scope of service provider
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Parameter
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---------
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scope :class:`cpl_core.dependency_injection.scope.Scope`
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Service scope
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"""
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pass
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@abstractmethod
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def create_scope(self) -> ScopeABC:
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r"""Creates a service scope
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Returns
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-------
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Object of type :class:`cpl_core.dependency_injection.scope.Scope`
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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) -> Optional[Callable]:
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def get_service(self, instance_type: Type) -> Optional[Callable[object]]:
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r"""Returns instance of given type
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Parameter
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0
src/tests/custom/di/LICENSE
Normal file
0
src/tests/custom/di/LICENSE
Normal file
0
src/tests/custom/di/README.md
Normal file
0
src/tests/custom/di/README.md
Normal file
15
src/tests/custom/di/appsettings.json
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15
src/tests/custom/di/appsettings.json
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{
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"TimeFormatSettings": {
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"DateFormat": "%Y-%m-%d",
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"TimeFormat": "%H:%M:%S",
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"DateTimeFormat": "%Y-%m-%d %H:%M:%S.%f",
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"DateTimeLogFormat": "%Y-%m-%d_%H-%M-%S"
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},
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"LoggingSettings": {
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"Path": "logs/",
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"Filename": "log_$start_time.log",
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"ConsoleLogLevel": "ERROR",
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"FileLogLevel": "WARN"
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}
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}
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9
src/tests/custom/di/cpl-workspace.json
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9
src/tests/custom/di/cpl-workspace.json
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{
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"WorkspaceSettings": {
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"DefaultProject": "di",
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"Projects": {
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"di": "src/di/di.json"
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},
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"Scripts": {}
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}
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}
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1
src/tests/custom/di/src/di/__init__.py
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1
src/tests/custom/di/src/di/__init__.py
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@ -0,0 +1 @@
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# imports:
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45
src/tests/custom/di/src/di/application.py
Normal file
45
src/tests/custom/di/src/di/application.py
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@ -0,0 +1,45 @@
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from cpl_core.application import ApplicationABC
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from cpl_core.configuration import ConfigurationABC
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from cpl_core.console.console import Console
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from cpl_core.dependency_injection import ServiceProviderABC
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from cpl_core.dependency_injection.scope import Scope
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from test_service_service import TestService
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from di_tester_service import DITesterService
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class Application(ApplicationABC):
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def __init__(self, config: ConfigurationABC, services: ServiceProviderABC):
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ApplicationABC.__init__(self, config, services)
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def _part_of_scoped(self):
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ts: TestService = self._services.get_service(TestService)
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ts.run()
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def configure(self):
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pass
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def main(self):
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Console.write_line('Scope1')
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scope1: Scope = self._services.create_scope()
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ts: TestService = scope1.service_provider.get_service(TestService)
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ts.run()
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dit: DITesterService = scope1.service_provider.get_service(DITesterService)
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dit.run()
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t = scope1
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b = t.service_provider
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scope1.dispose()
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Console.write_line('Disposed:')
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ts1: TestService = scope1.service_provider.get_service(TestService)
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ts1.run()
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Console.write_line('Scope2')
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scope2: Scope = self._services.create_scope()
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ts: TestService = scope2.service_provider.get_service(TestService)
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ts.run()
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dit: DITesterService = scope2.service_provider.get_service(DITesterService)
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dit.run()
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Console.write_line('Global')
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self._part_of_scoped()
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43
src/tests/custom/di/src/di/di.json
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43
src/tests/custom/di/src/di/di.json
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@ -0,0 +1,43 @@
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{
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"ProjectSettings": {
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"Name": "di",
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"Version": {
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"Major": "0",
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"Minor": "0",
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"Micro": "0"
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},
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"Author": "",
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"AuthorEmail": "",
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"Description": "",
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"LongDescription": "",
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"URL": "",
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"CopyrightDate": "",
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"CopyrightName": "",
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"LicenseName": "",
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"LicenseDescription": "",
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"Dependencies": [
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"sh_cpl>=2021.10.0.post1"
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],
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"PythonVersion": ">=3.9.2",
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"PythonPath": {
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"linux": ""
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},
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"Classifiers": []
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},
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"BuildSettings": {
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"ProjectType": "console",
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"SourcePath": "",
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"OutputPath": "../../dist",
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"Main": "di.main",
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"EntryPoint": "di",
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"IncludePackageData": false,
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"Included": [],
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"Excluded": [
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"*/__pycache__",
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"*/logs",
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"*/tests"
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],
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"PackageData": {},
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"ProjectReferences": []
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}
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}
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12
src/tests/custom/di/src/di/di_tester_service.py
Normal file
12
src/tests/custom/di/src/di/di_tester_service.py
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@ -0,0 +1,12 @@
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from cpl_core.console.console import Console
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from test_service_service import TestService
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class DITesterService:
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def __init__(self, ts: TestService):
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self._ts = ts
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def run(self):
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Console.write_line('DIT: ')
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self._ts.run()
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14
src/tests/custom/di/src/di/main.py
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14
src/tests/custom/di/src/di/main.py
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@ -0,0 +1,14 @@
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from cpl_core.application import ApplicationBuilder
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from di.application import Application
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from di.startup import Startup
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def main():
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app_builder = ApplicationBuilder(Application)
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app_builder.use_startup(Startup)
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app_builder.build().run()
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if __name__ == '__main__':
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main()
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21
src/tests/custom/di/src/di/startup.py
Normal file
21
src/tests/custom/di/src/di/startup.py
Normal file
@ -0,0 +1,21 @@
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from cpl_core.application import StartupABC
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from cpl_core.configuration import ConfigurationABC
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from cpl_core.dependency_injection import ServiceProviderABC, ServiceCollectionABC
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from cpl_core.environment import ApplicationEnvironment
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from test_service_service import TestService
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from di_tester_service import DITesterService
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class Startup(StartupABC):
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def __init__(self):
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StartupABC.__init__(self)
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def configure_configuration(self, configuration: ConfigurationABC, environment: ApplicationEnvironment) -> ConfigurationABC:
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return configuration
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def configure_services(self, services: ServiceCollectionABC, environment: ApplicationEnvironment) -> ServiceProviderABC:
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services.add_scoped(TestService)
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services.add_scoped(DITesterService)
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return services.build_service_provider()
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13
src/tests/custom/di/src/di/test_service_service.py
Normal file
13
src/tests/custom/di/src/di/test_service_service.py
Normal file
@ -0,0 +1,13 @@
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import string
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from cpl_core.console.console import Console
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from cpl_core.utils.string import String
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class TestService:
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def __init__(self):
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self._name = String.random_string(string.ascii_lowercase, 8)
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def run(self):
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Console.write_line(f'Im {self._name}')
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1
src/tests/custom/di/src/tests/__init__.py
Normal file
1
src/tests/custom/di/src/tests/__init__.py
Normal file
@ -0,0 +1 @@
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# imports:
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