j i dZddlZddlmZddlmZddlmZmZm Z de dedefd Z d ed e de efd Z dd d ede e e zdzde efdZdS)aResources adapter for converting MCP resources to LangChain [Blob objects][langchain_core.documents.base.Blob]. 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}nCt|trt j|j}nd|}t|tj ||j d|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 C:\Users\Dell Inspiron 16\Desktop\tws\AgrotaPowerBi\back-agrota-powerbi\mcp-client-agrota\venv\Lib\site-packages\langchain_mcp_adapters/resources.py&convert_mcp_resource_to_langchain_blobrs(011} H2 3 3 ..@,@@nn > X.%9N   sessionr cK|d{V}|jrt|jdkrgSfd|jDS)a)Fetch a single MCP resource and convert it to LangChain [Blob objects][langchain_core.documents.base.Blob]. Args: session: MCP client session. uri: URI of the resource to fetch. Returns: A list of LangChain [Blob][langchain_core.documents.base.Blob] objects. Nrc0g|]}t|S)r).0contentr s r z$get_mcp_resource..6s3     /sG<<   r) read_resourcer len)rr contents_results ` rget_mcp_resourcer&(s$11#66666666O  #s?+C'D'D'I'I     &/   r)urisr'cZKg}|,|d{V}d|jD}nt|tr|g}n|}d} |D]/}|}t ||d{V}||0n'#t $r}d|} t| |d}~wwxYw|S)azLoad MCP resources and convert them to LangChain [Blob objects][langchain_core.documents.base.Blob]. Args: session: MCP client session. uris: List of URIs to load. If `None`, all resources will be loaded. !!! note Dynamic resources will NOT be loaded when `None` is specified, as they require parameters and are ignored by the MCP SDK's `session.list_resources()` method. Returns: A list of LangChain [Blob][langchain_core.documents.base.Blob] objects. Raises: RuntimeError: If an error occurs while fetching a resource. Ncg|] }|j Sr)r )r rs rr"z&load_mcp_resources..Ws<<#;<<< D#  6K' ) )CK#3GS#A#AAAAAAAN LL ( ( ( ( ) '''6663Q&' Ls2B B(B##B()__doc__rlangchain_core.documents.basermcpr mcp.typesrrrr-rlistr&r7rrrr=s  ......RRRRRRRRRR!1 4MT .$(+++ + S /D + $Z ++++++r