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from __future__ import annotations
from dataclasses import dataclass
from typing import List, Tuple
@dataclass(frozen=True)
class Event:
stream_id: int
@dataclass(frozen=True)
class Request(Event):
headers: List[Tuple[bytes, bytes]]
http_version: str
method: str
raw_path: bytes
@dataclass(frozen=True)
class Body(Event):
data: bytes
@dataclass(frozen=True)
class EndBody(Event):
pass
@dataclass(frozen=True)
class Data(Event):
data: bytes
@dataclass(frozen=True)
class EndData(Event):
pass
@dataclass(frozen=True)
class Response(Event):
headers: List[Tuple[bytes, bytes]]
status_code: int
@dataclass(frozen=True)
class InformationalResponse(Event):
headers: List[Tuple[bytes, bytes]]
status_code: int
def __post_init__(self) -> None:
if self.status_code >= 200 or self.status_code < 100:
raise ValueError(f"Status code must be 1XX not {self.status_code}")
@dataclass(frozen=True)
class StreamClosed(Event):
pass
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