Backed out of adding back the ctx parameter

docs/tutorials/snippets/echo1.py

@@ -1,11 +1,11 @@
 # isort: off
 from __future__ import annotations
 
-from asphalt.core import Component, run_application, ComponentContext
+from asphalt.core import Component, run_application
 
 
 class ServerComponent(Component):
-    async def start(self, ctx: ComponentContext) -> None:
+    async def start(self) -> None:
         print("Hello, world!")
 
 

docs/userguide/contexts.rst

@@ -171,7 +171,7 @@ For example::
     class FooComponent(Component):
         async def start():
             service = SomeService()
-            await service.start(ctx)
+            await service.start()
             add_teardown_callback(service.stop)
             add_resource(service)
 

docs/userguide/snippets/components1.py

@@ -1,6 +1,5 @@
 from asphalt.core import (
     Component,
-    ComponentContext,
     add_resource,
     get_resource,
     get_resource_nowait,
@@ -13,11 +12,11 @@ def __init__(self) -> None:
         self.add_component("child1", ChildComponent, name="child1")
         self.add_component("child2", ChildComponent, name="child2")
 
-    async def prepare(self, ctx: ComponentContext) -> None:
+    async def prepare(self) -> None:
         print("ParentComponent.prepare()")
         add_resource("Hello")  # adds a `str` type resource by the name `default`
 
-    async def start(self, ctx: ComponentContext) -> None:
+    async def start(self) -> None:
         print("ParentComponent.start()")
         print(get_resource_nowait(str, "child1_resource"))
         print(get_resource_nowait(str, "child2_resource"))
@@ -30,11 +29,11 @@ class ChildComponent(Component):
     def __init__(self, name: str) -> None:
         self.name = name
 
-    async def prepare(self, ctx: ComponentContext) -> None:
+    async def prepare(self) -> None:
         self.parent_resource = get_resource_nowait(str)
         print(f"ChildComponent.prepare() [{self.name}]")
 
-    async def start(self, ctx: ComponentContext) -> None:
+    async def start(self) -> None:
         print(f"ChildComponent.start() [{self.name}]")
 
         # Add a `str` type resource, with a name like `childX_resource`

examples/tutorial1/echo/server.py

@@ -5,11 +5,7 @@
 
 import anyio
 from anyio.abc import SocketStream, TaskStatus
-from asphalt.core import (
-    Component,
-    run_application,
-    ComponentContext,
-)
+from asphalt.core import Component, run_application, start_service_task
 
 
 async def handle(stream: SocketStream) -> None:
@@ -27,8 +23,8 @@ async def serve_requests(*, task_status: TaskStatus[None]) -> None:
 
 
 class ServerComponent(Component):
-    async def start(self, ctx: ComponentContext) -> None:
-        await ctx.start_service_task(serve_requests, "Echo server")
+    async def start(self) -> None:
+        await start_service_task(serve_requests, "Echo server")
 
 
 if __name__ == "__main__":

examples/tutorial2/webnotifier/detector.py

@@ -14,7 +14,7 @@
     Event,
     Signal,
     add_resource,
-    ComponentContext,
+    start_service_task,
 )
 
 logger = logging.getLogger(__name__)
@@ -59,10 +59,10 @@ def __init__(self, url: str, delay: int = 10):
         self.url = url
         self.delay = delay
 
-    async def start(self, ctx: ComponentContext) -> None:
+    async def start(self) -> None:
         detector = Detector(self.url, self.delay)
         add_resource(detector)
-        await ctx.start_service_task(detector.run, "Web page change detector")
+        await start_service_task(detector.run, "Web page change detector")
         logging.info(
             'Started web page change detector for url "%s" with a delay of %d seconds',
             self.url,

pyproject.toml

@@ -72,13 +72,14 @@ extend-select = [
     "I",            # isort
     "ISC",          # flake8-implicit-str-concat
     "PGH",          # pygrep-hooks
-    "RUF100",       # unused noqa (yesqa)
+    "RUF",          # Ruff-specific rules
     "UP",           # pyupgrade
     "W",            # pycodestyle warnings
 ]
 ignore = [
     "ASYNC109",
-    "ASYNC115"
+    "ASYNC115",
+    "RUF001",
 ]
 
 [tool.ruff.lint.isort]

src/asphalt/core/__init__.py

@@ -2,7 +2,6 @@
 
 from ._component import CLIApplicationComponent as CLIApplicationComponent
 from ._component import Component as Component
-from ._component import ComponentContext as ComponentContext
 from ._component import start_component as start_component
 from ._concurrent import TaskFactory as TaskFactory
 from ._concurrent import TaskHandle as TaskHandle
@@ -18,6 +17,8 @@
 from ._context import get_resources as get_resources
 from ._context import inject as inject
 from ._context import resource as resource
+from ._context import start_background_task_factory as start_background_task_factory
+from ._context import start_service_task as start_service_task
 from ._event import Event as Event
 from ._event import Signal as Signal
 from ._event import SignalQueueFull as SignalQueueFull