1 files changed, 146 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/httpcore/_backends/anyio.py b/.venv/lib/python3.12/site-packages/httpcore/_backends/anyio.py
new file mode 100644
index 00000000..a140095e
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/httpcore/_backends/anyio.py
@@ -0,0 +1,146 @@
+from __future__ import annotations
+
+import ssl
+import typing
+
+import anyio
+
+from .._exceptions import (
+    ConnectError,
+    ConnectTimeout,
+    ReadError,
+    ReadTimeout,
+    WriteError,
+    WriteTimeout,
+    map_exceptions,
+)
+from .._utils import is_socket_readable
+from .base import SOCKET_OPTION, AsyncNetworkBackend, AsyncNetworkStream
+
+
+class AnyIOStream(AsyncNetworkStream):
+    def __init__(self, stream: anyio.abc.ByteStream) -> None:
+        self._stream = stream
+
+    async def read(self, max_bytes: int, timeout: float | None = None) -> bytes:
+        exc_map = {
+            TimeoutError: ReadTimeout,
+            anyio.BrokenResourceError: ReadError,
+            anyio.ClosedResourceError: ReadError,
+            anyio.EndOfStream: ReadError,
+        }
+        with map_exceptions(exc_map):
+            with anyio.fail_after(timeout):
+                try:
+                    return await self._stream.receive(max_bytes=max_bytes)
+                except anyio.EndOfStream:  # pragma: nocover
+                    return b""
+
+    async def write(self, buffer: bytes, timeout: float | None = None) -> None:
+        if not buffer:
+            return
+
+        exc_map = {
+            TimeoutError: WriteTimeout,
+            anyio.BrokenResourceError: WriteError,
+            anyio.ClosedResourceError: WriteError,
+        }
+        with map_exceptions(exc_map):
+            with anyio.fail_after(timeout):
+                await self._stream.send(item=buffer)
+
+    async def aclose(self) -> None:
+        await self._stream.aclose()
+
+    async def start_tls(
+        self,
+        ssl_context: ssl.SSLContext,
+        server_hostname: str | None = None,
+        timeout: float | None = None,
+    ) -> AsyncNetworkStream:
+        exc_map = {
+            TimeoutError: ConnectTimeout,
+            anyio.BrokenResourceError: ConnectError,
+            anyio.EndOfStream: ConnectError,
+            ssl.SSLError: ConnectError,
+        }
+        with map_exceptions(exc_map):
+            try:
+                with anyio.fail_after(timeout):
+                    ssl_stream = await anyio.streams.tls.TLSStream.wrap(
+                        self._stream,
+                        ssl_context=ssl_context,
+                        hostname=server_hostname,
+                        standard_compatible=False,
+                        server_side=False,
+                    )
+            except Exception as exc:  # pragma: nocover
+                await self.aclose()
+                raise exc
+        return AnyIOStream(ssl_stream)
+
+    def get_extra_info(self, info: str) -> typing.Any:
+        if info == "ssl_object":
+            return self._stream.extra(anyio.streams.tls.TLSAttribute.ssl_object, None)
+        if info == "client_addr":
+            return self._stream.extra(anyio.abc.SocketAttribute.local_address, None)
+        if info == "server_addr":
+            return self._stream.extra(anyio.abc.SocketAttribute.remote_address, None)
+        if info == "socket":
+            return self._stream.extra(anyio.abc.SocketAttribute.raw_socket, None)
+        if info == "is_readable":
+            sock = self._stream.extra(anyio.abc.SocketAttribute.raw_socket, None)
+            return is_socket_readable(sock)
+        return None
+
+
+class AnyIOBackend(AsyncNetworkBackend):
+    async def connect_tcp(
+        self,
+        host: str,
+        port: int,
+        timeout: float | None = None,
+        local_address: str | None = None,
+        socket_options: typing.Iterable[SOCKET_OPTION] | None = None,
+    ) -> AsyncNetworkStream:  # pragma: nocover
+        if socket_options is None:
+            socket_options = []
+        exc_map = {
+            TimeoutError: ConnectTimeout,
+            OSError: ConnectError,
+            anyio.BrokenResourceError: ConnectError,
+        }
+        with map_exceptions(exc_map):
+            with anyio.fail_after(timeout):
+                stream: anyio.abc.ByteStream = await anyio.connect_tcp(
+                    remote_host=host,
+                    remote_port=port,
+                    local_host=local_address,
+                )
+                # By default TCP sockets opened in `asyncio` include TCP_NODELAY.
+                for option in socket_options:
+                    stream._raw_socket.setsockopt(*option)  # type: ignore[attr-defined] # pragma: no cover
+        return AnyIOStream(stream)
+
+    async def connect_unix_socket(
+        self,
+        path: str,
+        timeout: float | None = None,
+        socket_options: typing.Iterable[SOCKET_OPTION] | None = None,
+    ) -> AsyncNetworkStream:  # pragma: nocover
+        if socket_options is None:
+            socket_options = []
+        exc_map = {
+            TimeoutError: ConnectTimeout,
+            OSError: ConnectError,
+            anyio.BrokenResourceError: ConnectError,
+        }
+        with map_exceptions(exc_map):
+            with anyio.fail_after(timeout):
+                stream: anyio.abc.ByteStream = await anyio.connect_unix(path)
+                for option in socket_options:
+                    stream._raw_socket.setsockopt(*option)  # type: ignore[attr-defined] # pragma: no cover
+        return AnyIOStream(stream)
+
+    async def sleep(self, seconds: float) -> None:
+        await anyio.sleep(seconds)  # pragma: nocover