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venv/Lib/site-packages/asgiref/typing.py

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+import sys
+import warnings
+from typing import (
+    Any,
+    Awaitable,
+    Callable,
+    Dict,
+    Iterable,
+    List,
+    Optional,
+    Tuple,
+    Type,
+    Union,
+)
+
+from asgiref._pep562 import pep562
+
+if sys.version_info >= (3, 8):
+    from typing import Literal, Protocol, TypedDict
+else:
+    from typing_extensions import Literal, Protocol, TypedDict
+
+__all__ = (
+    "ASGIVersions",
+    "HTTPScope",
+    "WebSocketScope",
+    "LifespanScope",
+    "WWWScope",
+    "Scope",
+    "HTTPRequestEvent",
+    "HTTPResponseStartEvent",
+    "HTTPResponseBodyEvent",
+    "HTTPServerPushEvent",
+    "HTTPDisconnectEvent",
+    "WebSocketConnectEvent",
+    "WebSocketAcceptEvent",
+    "WebSocketReceiveEvent",
+    "WebSocketSendEvent",
+    "WebSocketResponseStartEvent",
+    "WebSocketResponseBodyEvent",
+    "WebSocketDisconnectEvent",
+    "WebSocketCloseEvent",
+    "LifespanStartupEvent",
+    "LifespanShutdownEvent",
+    "LifespanStartupCompleteEvent",
+    "LifespanStartupFailedEvent",
+    "LifespanShutdownCompleteEvent",
+    "LifespanShutdownFailedEvent",
+    "ASGIReceiveEvent",
+    "ASGISendEvent",
+    "ASGIReceiveCallable",
+    "ASGISendCallable",
+    "ASGI2Protocol",
+    "ASGI2Application",
+    "ASGI3Application",
+    "ASGIApplication",
+)
+
+
+class ASGIVersions(TypedDict):
+    spec_version: str
+    version: Union[Literal["2.0"], Literal["3.0"]]
+
+
+class HTTPScope(TypedDict):
+    type: Literal["http"]
+    asgi: ASGIVersions
+    http_version: str
+    method: str
+    scheme: str
+    path: str
+    raw_path: bytes
+    query_string: bytes
+    root_path: str
+    headers: Iterable[Tuple[bytes, bytes]]
+    client: Optional[Tuple[str, int]]
+    server: Optional[Tuple[str, Optional[int]]]
+    extensions: Optional[Dict[str, Dict[object, object]]]
+
+
+class WebSocketScope(TypedDict):
+    type: Literal["websocket"]
+    asgi: ASGIVersions
+    http_version: str
+    scheme: str
+    path: str
+    raw_path: bytes
+    query_string: bytes
+    root_path: str
+    headers: Iterable[Tuple[bytes, bytes]]
+    client: Optional[Tuple[str, int]]
+    server: Optional[Tuple[str, Optional[int]]]
+    subprotocols: Iterable[str]
+    extensions: Optional[Dict[str, Dict[object, object]]]
+
+
+class LifespanScope(TypedDict):
+    type: Literal["lifespan"]
+    asgi: ASGIVersions
+
+
+WWWScope = Union[HTTPScope, WebSocketScope]
+Scope = Union[HTTPScope, WebSocketScope, LifespanScope]
+
+
+class HTTPRequestEvent(TypedDict):
+    type: Literal["http.request"]
+    body: bytes
+    more_body: bool
+
+
+class HTTPResponseStartEvent(TypedDict):
+    type: Literal["http.response.start"]
+    status: int
+    headers: Iterable[Tuple[bytes, bytes]]
+
+
+class HTTPResponseBodyEvent(TypedDict):
+    type: Literal["http.response.body"]
+    body: bytes
+    more_body: bool
+
+
+class HTTPServerPushEvent(TypedDict):
+    type: Literal["http.response.push"]
+    path: str
+    headers: Iterable[Tuple[bytes, bytes]]
+
+
+class HTTPDisconnectEvent(TypedDict):
+    type: Literal["http.disconnect"]
+
+
+class WebSocketConnectEvent(TypedDict):
+    type: Literal["websocket.connect"]
+
+
+class WebSocketAcceptEvent(TypedDict):
+    type: Literal["websocket.accept"]
+    subprotocol: Optional[str]
+    headers: Iterable[Tuple[bytes, bytes]]
+
+
+class WebSocketReceiveEvent(TypedDict):
+    type: Literal["websocket.receive"]
+    bytes: Optional[bytes]
+    text: Optional[str]
+
+
+class WebSocketSendEvent(TypedDict):
+    type: Literal["websocket.send"]
+    bytes: Optional[bytes]
+    text: Optional[str]
+
+
+class WebSocketResponseStartEvent(TypedDict):
+    type: Literal["websocket.http.response.start"]
+    status: int
+    headers: Iterable[Tuple[bytes, bytes]]
+
+
+class WebSocketResponseBodyEvent(TypedDict):
+    type: Literal["websocket.http.response.body"]
+    body: bytes
+    more_body: bool
+
+
+class WebSocketDisconnectEvent(TypedDict):
+    type: Literal["websocket.disconnect"]
+    code: int
+
+
+class WebSocketCloseEvent(TypedDict):
+    type: Literal["websocket.close"]
+    code: int
+    reason: Optional[str]
+
+
+class LifespanStartupEvent(TypedDict):
+    type: Literal["lifespan.startup"]
+
+
+class LifespanShutdownEvent(TypedDict):
+    type: Literal["lifespan.shutdown"]
+
+
+class LifespanStartupCompleteEvent(TypedDict):
+    type: Literal["lifespan.startup.complete"]
+
+
+class LifespanStartupFailedEvent(TypedDict):
+    type: Literal["lifespan.startup.failed"]
+    message: str
+
+
+class LifespanShutdownCompleteEvent(TypedDict):
+    type: Literal["lifespan.shutdown.complete"]
+
+
+class LifespanShutdownFailedEvent(TypedDict):
+    type: Literal["lifespan.shutdown.failed"]
+    message: str
+
+
+ASGIReceiveEvent = Union[
+    HTTPRequestEvent,
+    HTTPDisconnectEvent,
+    WebSocketConnectEvent,
+    WebSocketReceiveEvent,
+    WebSocketDisconnectEvent,
+    LifespanStartupEvent,
+    LifespanShutdownEvent,
+]
+
+
+ASGISendEvent = Union[
+    HTTPResponseStartEvent,
+    HTTPResponseBodyEvent,
+    HTTPServerPushEvent,
+    HTTPDisconnectEvent,
+    WebSocketAcceptEvent,
+    WebSocketSendEvent,
+    WebSocketResponseStartEvent,
+    WebSocketResponseBodyEvent,
+    WebSocketCloseEvent,
+    LifespanStartupCompleteEvent,
+    LifespanStartupFailedEvent,
+    LifespanShutdownCompleteEvent,
+    LifespanShutdownFailedEvent,
+]
+
+
+ASGIReceiveCallable = Callable[[], Awaitable[ASGIReceiveEvent]]
+ASGISendCallable = Callable[[ASGISendEvent], Awaitable[None]]
+
+
+class ASGI2Protocol(Protocol):
+    def __init__(self, scope: Scope) -> None:
+        ...
+
+    async def __call__(
+        self, receive: ASGIReceiveCallable, send: ASGISendCallable
+    ) -> None:
+        ...
+
+
+ASGI2Application = Type[ASGI2Protocol]
+ASGI3Application = Callable[
+    [
+        Scope,
+        ASGIReceiveCallable,
+        ASGISendCallable,
+    ],
+    Awaitable[None],
+]
+ASGIApplication = Union[ASGI2Application, ASGI3Application]
+
+__deprecated__ = {
+    "WebsocketConnectEvent": WebSocketConnectEvent,
+    "WebsocketAcceptEvent": WebSocketAcceptEvent,
+    "WebsocketReceiveEvent": WebSocketReceiveEvent,
+    "WebsocketSendEvent": WebSocketSendEvent,
+    "WebsocketResponseStartEvent": WebSocketResponseStartEvent,
+    "WebsocketResponseBodyEvent": WebSocketResponseBodyEvent,
+    "WebsocketDisconnectEvent": WebSocketDisconnectEvent,
+    "WebsocketCloseEvent": WebSocketCloseEvent,
+}
+
+
+def __getattr__(name: str) -> Any:
+    deprecated = __deprecated__.get(name)
+    if deprecated:
+        stacklevel = 3 if sys.version_info >= (3, 7) else 4
+        warnings.warn(
+            f"'{name}' is deprecated. Use '{deprecated.__name__}' instead.",
+            category=DeprecationWarning,
+            stacklevel=stacklevel,
+        )
+        return deprecated
+    raise AttributeError(f"module '{__name__}' has no attribute '{name}'")
+
+
+def __dir__() -> List[str]:
+    return sorted(list(__all__) + list(__deprecated__.keys()))
+
+
+pep562(__name__)