src/cpl-application/cpl/application/abc/application_extension_abc.py

@@ -4,8 +4,7 @@ from cpl.dependency import ServiceProviderABC
 
 
 class ApplicationExtensionABC(ABC):
-    @abstractmethod
-    def __init__(self): ...
 
+    @staticmethod
     @abstractmethod
-    def run(self, services: ServiceProviderABC): ...
+    def run(services: ServiceProviderABC): ...

src/cpl-application/cpl/application/abc/startup_abc.py

@@ -6,15 +6,14 @@ from cpl.dependency.service_collection import ServiceCollection
 class StartupABC(ABC):
     r"""ABC for the startup class"""
 
+    @staticmethod
     @abstractmethod
-    def __init__(self): ...
-
-    @abstractmethod
-    def configure_configuration(self):
+    def configure_configuration():
         r"""Creates configuration of application"""
 
+    @staticmethod
     @abstractmethod
-    def configure_services(self, service: ServiceCollection):
+    def configure_services(service: ServiceCollection):
         r"""Creates service provider
 
         Parameter:

src/cpl-application/cpl/application/abc/startup_extension_abc.py

@@ -6,15 +6,14 @@ from cpl.dependency import ServiceCollection
 class StartupExtensionABC(ABC):
     r"""ABC for startup extension classes"""
 
+    @staticmethod
     @abstractmethod
-    def __init__(self): ...
-
-    @abstractmethod
-    def configure_configuration(self):
+    def configure_configuration():
         r"""Creates configuration of application"""
 
+    @staticmethod
     @abstractmethod
-    def configure_services(self, services: ServiceCollection):
+    def configure_services(services: ServiceCollection):
         r"""Creates service provider
         Parameter:
             services: :class:`cpl.dependency.service_collection`

src/cpl-application/cpl/application/application_builder.py

@@ -35,7 +35,7 @@ class ApplicationBuilder:
         return self._services.build()
 
     def use_startup(self, startup: Type[StartupABC]) -> "ApplicationBuilder":
-        self._startup = startup()
+        self._startup = startup
         return self
 
     def use_extension(
@@ -50,8 +50,7 @@ class ApplicationBuilder:
         return self
 
     def build(self) -> ApplicationABC:
-        for ex in self._startup_extensions:
-            extension = ex()
+        for extension in self._startup_extensions:
             Host.run(extension.configure_configuration)
             Host.run(extension.configure_services, self._services)
 
@@ -59,8 +58,7 @@ class ApplicationBuilder:
             Host.run(self._startup.configure_configuration)
             Host.run(self._startup.configure_services, self._services)
 
-        for ex in self._app_extensions:
-            extension = ex()
+        for extension in self._app_extensions:
             Host.run(extension.run, self.service_provider)
 
         return self._app(self.service_provider)

tests/custom/database/src/startup.py

@@ -16,15 +16,15 @@ from model.user_dao import UserDao
 
 
 class Startup(StartupABC):
-    def __init__(self):
-        StartupABC.__init__(self)
 
-    async def configure_configuration(self):
+    @staticmethod
+    async def configure_configuration():
         Configuration.add_json_file(f"appsettings.json")
         Configuration.add_json_file(f"appsettings.{Environment.get_environment()}.json")
         Configuration.add_json_file(f"appsettings.{Environment.get_host_name()}.json", optional=True)
 
-    async def configure_services(self, services: ServiceCollection):
+    @staticmethod
+    async def configure_services(services: ServiceCollection):
         services.add_module(mysql)
         services.add_module(auth)
         services.add_module(permission)

tests/custom/general/src/general/startup.py

@@ -1,22 +1,22 @@
 from cpl import mail
 from cpl.application.abc import StartupABC
 from cpl.core.configuration import Configuration
-from cpl.dependency import ServiceCollection, ServiceProviderABC
 from cpl.core.environment import Environment
 from cpl.core.pipes import IPAddressPipe
+from cpl.dependency import ServiceCollection
 from test_service import TestService
 
 
 class Startup(StartupABC):
-    def __init__(self):
-        StartupABC.__init__(self)
 
-    def configure_configuration(selft):
+    @staticmethod
+    def configure_configuration():
         Configuration.add_json_file(f"appsettings.json")
         Configuration.add_json_file(f"appsettings.{Environment.get_environment()}.json")
         Configuration.add_json_file(f"appsettings.{Environment.get_host_name()}.json", optional=True)
 
-    def configure_services(self, services: ServiceCollection):
+    @staticmethod
+    def configure_services(services: ServiceCollection):
         services.add_logging()
         services.add_module(mail)
         services.add_transient(IPAddressPipe)

tests/custom/general/src/general/test_extension.py

@@ -4,8 +4,7 @@ from cpl.dependency import ServiceProviderABC
 
 
 class TestExtension(ApplicationExtensionABC):
-    def __init__(self):
-        ApplicationExtensionABC.__init__(self)
 
-    def run(self, services: ServiceProviderABC):
+    @staticmethod
+    def run(services: ServiceProviderABC):
         Console.write_line("Hello World from App Extension")

tests/custom/general/src/general/test_startup_extension.py

@@ -1,16 +1,14 @@
 from cpl.application.abc import StartupExtensionABC
-from cpl.core.configuration import Configuration
 from cpl.core.console import Console
 from cpl.dependency import ServiceCollection
-from cpl.core.environment import Environment
 
 
 class TestStartupExtension(StartupExtensionABC):
-    def __init__(self):
-        StartupExtensionABC.__init__(self)
 
-    def configure_configuration(self):
+    @staticmethod
+    def configure_configuration():
         Console.write_line("config")
 
-    def configure_services(self, services: ServiceCollection):
+    @staticmethod
+    def configure_services(services: ServiceCollection):
         Console.write_line("services")