+ wi1ZRt^RIHt^RIHtHtHtHtHtH t RRlt RRlt RRlt R #) z Shared validation functions for server requests. This module provides validation logic for sampling and elicitation requests that is shared across normal and task-augmented code paths. )McpError)INVALID_PARAMSClientCapabilities ErrorDataSamplingMessageTool ToolChoicec>V^8dQhR\R,R\/#) client_capsNreturn)rbool)formats"I/home/ubuntu/.local/lib/python3.14/site-packages/mcp/server/validation.py __annotate__rs 1Cd1JtcfVfR#VPfR#VPPfR#R#)z Check if the client supports sampling tools capability. Args: client_caps: The client's declared capabilities Returns: True if client supports sampling.tools, False otherwise FT)samplingtools)r s&rcheck_sampling_tools_capabilityrs4#!!) rcV^8dQhR\R,R\\,R,R\R,RR/#)r r Nr tool_choicer )rlistrr)rs"rrr&sC#d* : d" rcpVfVe.\V4'g\\\RR74hR#R#)a< Validate that the client supports sampling tools if tools are being used. Args: client_caps: The client's declared capabilities tools: The tools list, if provided tool_choice: The tool choice setting, if provided Raises: McpError: If tools/tool_choice are provided but client doesn't support them Nz1Client does not support sampling tools capability)codemessage)rrrr)r rrs&&&rvalidate_sampling_toolsr&s?  K3.{;;'O <4rc>V^8dQhR\\,RR/#)r messagesr N)rr)rs"rrr@s#(q(q_0E(q$(qrc^V'gR#VR ,Pp\;QJdRV4F 'gK RM RM !RV44p\V4^8dVR,PMRpT;'d5\;QJdRV4F 'gK RM RM !RV44pV'dh\;QJdRV4F 'gK RM RM !RV44'd \R4hVf \R4hV'g \R 4hV'dxV'dnVUu0uF!qUPR 8XgKVP kK# ppVUu0uF!qUPR 8XgKVP kK# ppWg8wd \R 4hR#R#R#uupiuupi)a Validate tool_use/tool_result message structure per SEP-1577. This validation ensures: 1. Messages with tool_result content contain ONLY tool_result content 2. tool_result messages are preceded by a message with tool_use 3. tool_result IDs match the tool_use IDs from the previous message See: https://github.com/modelcontextprotocol/modelcontextprotocol/issues/1577 Args: messages: The list of sampling messages to validate Raises: ValueError: If the message structure is invalid Nc3>"TFqPR8HxK R#5i tool_resultNtype.0cs& r 4validate_tool_use_result_messages..UsILq66]2LTFc3>"TFqPR8HxK R#5i)tool_useNr#r%s& rr(r)Xs4dScaVVz5IScr*c3>"TFqPR8gxK R#5ir!r#r%s& rr(r)]s= 1vv& r*zHThe last message must contain only tool_result content if any is presentz;tool_result requires a previous message containing tool_usezDtool_result blocks do not match any tool_use in the previous messager,r"zPids of tool_result blocks and tool_use blocks from previous message do not match)content_as_listanylen ValueErrorr$id toolUseId)r last_contenthas_tool_resultsprevious_contenthas_previous_tool_user' tool_use_idstool_result_idss& r!validate_tool_use_result_messagesr<@sH" B<//LsILIsssILII7:8}7Ix|33t,dd4dSc4d4dSc4d1d 3= =333= = = =gh h  #Z[ [$cd d!1&6O&6&&J:N&6 O0<X 1-@W;1;; X  *op p +"2OXs8F%F%%F*<F*N) __doc__mcp.shared.exceptionsr mcp.typesrrrrrrrrr<rrrAs)+&4(qr