aboutsummaryrefslogtreecommitdiff
path: root/.venv/lib/python3.12/site-packages/anyio/abc/_resources.py
diff options
context:
space:
mode:
Diffstat (limited to '.venv/lib/python3.12/site-packages/anyio/abc/_resources.py')
-rw-r--r--.venv/lib/python3.12/site-packages/anyio/abc/_resources.py33
1 files changed, 33 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/anyio/abc/_resources.py b/.venv/lib/python3.12/site-packages/anyio/abc/_resources.py
new file mode 100644
index 00000000..10df115a
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/anyio/abc/_resources.py
@@ -0,0 +1,33 @@
+from __future__ import annotations
+
+from abc import ABCMeta, abstractmethod
+from types import TracebackType
+from typing import TypeVar
+
+T = TypeVar("T")
+
+
+class AsyncResource(metaclass=ABCMeta):
+ """
+ Abstract base class for all closeable asynchronous resources.
+
+ Works as an asynchronous context manager which returns the instance itself on enter,
+ and calls :meth:`aclose` on exit.
+ """
+
+ __slots__ = ()
+
+ async def __aenter__(self: T) -> T:
+ return self
+
+ async def __aexit__(
+ self,
+ exc_type: type[BaseException] | None,
+ exc_val: BaseException | None,
+ exc_tb: TracebackType | None,
+ ) -> None:
+ await self.aclose()
+
+ @abstractmethod
+ async def aclose(self) -> None:
+ """Close the resource."""