6?i9 dZddlZddlmZddlmZddlmZmZm Z de dedefd Z d ed e de efd Z dd d ede e e zdzde efdZy)zResources adapter for converting MCP resources to LangChain Blobs. This module provides functionality to convert MCP resources into LangChain Blob objects, handling both text and binary resource content types. N)Blob) ClientSession)BlobResourceContentsResourceContentsTextResourceContents resource_uricontentsreturnct|tr |j}n@t|tr t j |j }nd|}t|tj||jd|iS)zConvert an MCP resource content to a LangChain Blob. Args: resource_uri: URI of the resource contents: The resource contents Returns: A LangChain Blob z!Unsupported content type for URI uri)data mime_typemetadata) isinstancertextrbase64 b64decodeblob TypeErrorr from_datamimeType)rr r msgs b/opt/tws/coop-23/cliente-mcp/venv/lib/python3.12/site-packages/langchain_mcp_adapters/resources.py&convert_mcp_resource_to_langchain_blobrsl(01}} H2 3 .1,@n >>tx/@/@ES_K` aasessionr cK|j|d{}|jrt|jdk(rgS|jDcgc]}t||c}S7Ncc}ww)zFetch a single MCP resource and convert it to LangChain Blobs. Args: session: MCP client session. uri: URI of the resource to fetch. Returns: A list of LangChain Blobs. Nr) read_resourcer lenr)rr contents_resultcontents rget_mcp_resourcer"$so$11#66O  # #s?+C+C'D'I M\LdLd AH.sG<  7 s!A-A&8A-A(#A-(A-)urisr#ctKg}|<|jd{}|jDcgc]}|j}}nt|tr|g}n|}d} |D])}|}t ||d{}|j |+ |S7rcc}w7!#t$r} d|} t| | d} ~ wwxYww)aLoad MCP resources and convert them to LangChain Blobs. Args: session: MCP client session. uris: List of URIs to load. If None, all resources will be loaded. Note: Dynamic resources will NOT be loaded when None is specified, as they require parameters and are ignored by the MCP SDK's session.list_resources() method. Returns: A list of LangChain Blobs. Raises: RuntimeError: If an error occurs while fetching a resource. NzError fetching resource ) list_resources resourcesr rstrr"extend Exception RuntimeError) rr#blobsresources_listruri_list current_urir resource_blobsers rload_mcp_resourcesr27s( E |&5577#1#;#;r9s .RRbbHXb]ab,MT ,$(( ( S /D ( $Z (r