Revert "feat: improved MCP timeout" (#23602)
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@@ -327,7 +327,7 @@ def send_message(http_client: httpx.Client, endpoint_url: str, session_message:
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)
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response.raise_for_status()
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logger.debug("Client message sent successfully: %s", response.status_code)
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except Exception:
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except Exception as exc:
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logger.exception("Error sending message")
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raise
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@@ -55,10 +55,14 @@ DEFAULT_QUEUE_READ_TIMEOUT = 3
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class StreamableHTTPError(Exception):
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"""Base exception for StreamableHTTP transport errors."""
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pass
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class ResumptionError(StreamableHTTPError):
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"""Raised when resumption request is invalid."""
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pass
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@dataclass
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class RequestContext:
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@@ -70,7 +74,7 @@ class RequestContext:
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session_message: SessionMessage
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metadata: ClientMessageMetadata | None
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server_to_client_queue: ServerToClientQueue # Renamed for clarity
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sse_read_timeout: float
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sse_read_timeout: timedelta
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class StreamableHTTPTransport:
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@@ -80,8 +84,8 @@ class StreamableHTTPTransport:
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self,
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url: str,
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headers: dict[str, Any] | None = None,
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timeout: float | timedelta = 30,
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sse_read_timeout: float | timedelta = 60 * 5,
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timeout: timedelta = timedelta(seconds=30),
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sse_read_timeout: timedelta = timedelta(seconds=60 * 5),
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) -> None:
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"""Initialize the StreamableHTTP transport.
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@@ -93,10 +97,8 @@ class StreamableHTTPTransport:
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"""
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self.url = url
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self.headers = headers or {}
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self.timeout = timeout.total_seconds() if isinstance(timeout, timedelta) else timeout
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self.sse_read_timeout = (
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sse_read_timeout.total_seconds() if isinstance(sse_read_timeout, timedelta) else sse_read_timeout
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)
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self.timeout = timeout
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self.sse_read_timeout = sse_read_timeout
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self.session_id: str | None = None
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self.request_headers = {
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ACCEPT: f"{JSON}, {SSE}",
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@@ -184,7 +186,7 @@ class StreamableHTTPTransport:
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with ssrf_proxy_sse_connect(
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self.url,
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headers=headers,
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timeout=httpx.Timeout(self.timeout, read=self.sse_read_timeout),
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timeout=httpx.Timeout(self.timeout.seconds, read=self.sse_read_timeout.seconds),
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client=client,
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method="GET",
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) as event_source:
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@@ -213,7 +215,7 @@ class StreamableHTTPTransport:
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with ssrf_proxy_sse_connect(
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self.url,
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headers=headers,
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timeout=httpx.Timeout(self.timeout, read=self.sse_read_timeout),
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timeout=httpx.Timeout(self.timeout.seconds, read=ctx.sse_read_timeout.seconds),
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client=ctx.client,
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method="GET",
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) as event_source:
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@@ -400,8 +402,8 @@ class StreamableHTTPTransport:
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def streamablehttp_client(
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url: str,
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headers: dict[str, Any] | None = None,
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timeout: float | timedelta = 30,
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sse_read_timeout: float | timedelta = 60 * 5,
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timeout: timedelta = timedelta(seconds=30),
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sse_read_timeout: timedelta = timedelta(seconds=60 * 5),
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terminate_on_close: bool = True,
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) -> Generator[
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tuple[
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@@ -434,7 +436,7 @@ def streamablehttp_client(
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try:
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with create_ssrf_proxy_mcp_http_client(
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headers=transport.request_headers,
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timeout=httpx.Timeout(transport.timeout, read=transport.sse_read_timeout),
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timeout=httpx.Timeout(transport.timeout.seconds, read=transport.sse_read_timeout.seconds),
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) as client:
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# Define callbacks that need access to thread pool
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def start_get_stream() -> None:
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