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import sys
from typing import (
Any,
Awaitable,
Callable,
Dict,
Iterable,
Literal,
Optional,
Protocol,
Tuple,
Type,
TypedDict,
Union,
)
if sys.version_info >= (3, 11):
from typing import NotRequired
else:
from typing_extensions import NotRequired
__all__ = (
"ASGIVersions",
"HTTPScope",
"WebSocketScope",
"LifespanScope",
"WWWScope",
"Scope",
"HTTPRequestEvent",
"HTTPResponseStartEvent",
"HTTPResponseBodyEvent",
"HTTPResponseTrailersEvent",
"HTTPResponsePathsendEvent",
"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]]]
state: NotRequired[Dict[str, Any]]
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]
state: NotRequired[Dict[str, Any]]
extensions: Optional[Dict[str, Dict[object, object]]]
class LifespanScope(TypedDict):
type: Literal["lifespan"]
asgi: ASGIVersions
state: NotRequired[Dict[str, Any]]
WWWScope = Union[HTTPScope, WebSocketScope]
Scope = Union[HTTPScope, WebSocketScope, LifespanScope]
class HTTPRequestEvent(TypedDict):
type: Literal["http.request"]
body: bytes
more_body: bool
class HTTPResponseDebugEvent(TypedDict):
type: Literal["http.response.debug"]
info: Dict[str, object]
class HTTPResponseStartEvent(TypedDict):
type: Literal["http.response.start"]
status: int
headers: Iterable[Tuple[bytes, bytes]]
trailers: bool
class HTTPResponseBodyEvent(TypedDict):
type: Literal["http.response.body"]
body: bytes
more_body: bool
class HTTPResponseTrailersEvent(TypedDict):
type: Literal["http.response.trailers"]
headers: Iterable[Tuple[bytes, bytes]]
more_trailers: bool
class HTTPResponsePathsendEvent(TypedDict):
type: Literal["http.response.pathsend"]
path: str
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,
HTTPResponseTrailersEvent,
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]
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