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cdd980e1eb
Snapshot assembled only from the signed corresponding-source archive. Source archive SHA-256: db91a270cdefc4be79056ed38a0b4a16747e1ab130592645eac40fa3809809df
64 lines
2.0 KiB
Python
64 lines
2.0 KiB
Python
"""
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ResponseRouter - Protocol for pluggable response routing.
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This module defines a protocol for routing JSON-RPC responses to alternative
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handlers before falling back to the default response stream mechanism.
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The primary use case is task-augmented requests: when a TaskSession enqueues
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a request (like elicitation), the response needs to be routed back to the
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waiting resolver instead of the normal response stream.
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Design:
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- Protocol-based for testability and flexibility
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- Returns bool to indicate if response was handled
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- Supports both success responses and errors
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"""
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from typing import Any, Protocol
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from mcp.types import ErrorData, RequestId
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class ResponseRouter(Protocol):
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"""
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Protocol for routing responses to alternative handlers.
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Implementations check if they have a pending request for the given ID
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and deliver the response/error to the appropriate handler.
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Example:
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class TaskResultHandler(ResponseRouter):
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def route_response(self, request_id, response):
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resolver = self._pending_requests.pop(request_id, None)
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if resolver:
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resolver.set_result(response)
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return True
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return False
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"""
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def route_response(self, request_id: RequestId, response: dict[str, Any]) -> bool:
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"""
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Try to route a response to a pending request handler.
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Args:
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request_id: The JSON-RPC request ID from the response
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response: The response result data
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Returns:
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True if the response was handled, False otherwise
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"""
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... # pragma: no cover
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def route_error(self, request_id: RequestId, error: ErrorData) -> bool:
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"""
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Try to route an error to a pending request handler.
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Args:
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request_id: The JSON-RPC request ID from the error response
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error: The error data
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Returns:
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True if the error was handled, False otherwise
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"""
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... # pragma: no cover
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