
    ~ht                        d Z ddlmZ ddlZddlZddlmZ ddlmZm	Z	m
Z
 ddlZddlmZ ddlmZmZmZmZmZmZ ddlmZ dd	lmZ dd
lmZ ddlmZ er	  G d deej<                        Z G d de      Zy)z2Base classes and interfaces for FastMCP resources.    )annotationsN)Callable)TYPE_CHECKING	AnnotatedAny)Resource)AnyUrl
ConfigDictFieldUrlConstraintsfield_validatormodel_validator)Self)get_context)FastMCPComponent)find_kwarg_by_typec                  >   e Zd ZU dZ ed      Z edd      Zded<    ed	d
      Z	ded<    eddd      Z
ded<   e	 	 	 	 	 d	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 dd       Z edd      edd              Z ed      dd       Zej&                  d d       Zd!dZd"dZy)#r   zBase class for all resources.T)validate_default.zURI of the resource)defaultdescriptionz6Annotated[AnyUrl, UrlConstraints(host_required=False)]uri zName of the resourcestrname
text/plainz!MIME type of the resource contentz^[a-zA-Z0-9]+/[a-zA-Z0-9\-+.]+$)r   r   pattern	mime_typeNc           	     :    t         j                  | ||||||      S )Nfnr   r   r   r   tagsenabled)FunctionResourcefrom_functionr   s          V/opt/mcp/mcp-sentiment/venv/lib/python3.12/site-packages/fastmcp/resources/resource.pyr$   zResource.from_function/   s1      --# . 
 	
    before)modec                    |r|S y)z&Set default MIME type if not provided.r    )clsr   s     r%   set_default_mime_typezResource.set_default_mime_typeC   s     r&   afterc                    | j                   r	 | S | j                  rt        | j                        | _         | S t        d      )z*Set default name from URI if not provided.z#Either name or uri must be provided)r   r   r   
ValueErrorselfs    r%   set_default_namezResource.set_default_nameK   sB     99
 	 XXDHHDI  BCCr&   c                   K   yw)zRead the resource content.Nr*   r0   s    r%   readzResource.readV   s      	s   c                |    | j                   | j                  | j                  | j                  d}t	        di ||z  S )z'Convert the resource to an MCPResource.)r   r   r   mimeTyper*   )r   r   r   r   MCPResource)r1   	overrideskwargss      r%   to_mcp_resourcezResource.to_mcp_resource[   s>     88II++	
 0Vi/00r&   c           
         | j                   j                   d| j                  d| j                  d| j                  d| j
                   d
S )Nz(uri=z, name=z, description=z, tags=))	__class____name__r   r   r   r!   r0   s    r%   __repr__zResource.__repr__e   sb    ..))*%|7499-~^b^n^n]qqxy}  zC  zC  yD  DE  F  	Fr&   NNNNNr    Callable[[], Any]r   zstr | AnyUrlr   
str | Noner   rC   r   rC   r!   zset[str] | Noner"   zbool | Nonereturnr#   )r   rC   rD   r   )rD   r   rD   zstr | bytes)r8   r   rD   r7   )rD   r   )r>   
__module____qualname____doc__r
   model_configr   r   __annotations__r   r   staticmethodr$   r   classmethodr,   r   r2   abcabstractmethodr4   r:   r?   r*   r&   r%   r   r       s(   't4LBG!6CC	?  b.DED#E72Is    "& $ $#


 
  	

 
 
 
 

 
& [x0  1 '" # 	 1Fr&   r   c                  `    e Zd ZU dZded<   e	 	 	 	 	 d	 	 	 	 	 	 	 	 	 	 	 	 	 	 	 dd       Zd	dZy)
r#   a  A resource that defers data loading by wrapping a function.

    The function is only called when the resource is read, allowing for lazy loading
    of potentially expensive data. This is particularly useful when listing resources,
    as the function won't be called until the resource is actually accessed.

    The function can return:
    - str for text content (default)
    - bytes for binary content
    - other types will be converted to JSON
    rB   r    Nc           	         t        |t              rt        |      } | |||xs |j                  |xs |j                  |xs d|xs
 t               ||      S d      S )z*Create a FunctionResource from a function.r   Tr   )
isinstancer   r	   r>   rH   set)r+   r    r   r   r   r   r!   r"   s           r%   r$   zFunctionResource.from_functionx   sj     c3+C$#1rzz/<&2G
 	
 9=
 	
r&   c                  K   ddl m} i }t        | j                  |      }|t	               ||<    | j                  di |}t        j                  | j                        r
| d{   }t        |t              r|j                          d{   S t        |t              r|S t        |t              r|S t        j                  |t        d      j                         S 7 z7 Tw)z2Read the resource by calling the wrapped function.r   )Context)
kwarg_typeN   )fallbackindentr*   )fastmcp.server.contextrT   r   r    r   inspectiscoroutinefunctionrQ   r   r4   bytesr   pydantic_coreto_jsondecode)r1   rT   r9   context_kwargresults        r%   r4   zFunctionResource.read   s     2*477wG$$/MF=!"6"&&tww/!\Ffh'&&&M$M ((#aHOOQQ " 's%   A%C&'C"('C&C$AC&$C&r@   rA   rE   )r>   rF   rG   rH   rJ   rL   r$   r4   r*   r&   r%   r#   r#   i   s    
 	
  "& $ $#

 
 	

  
 
 
 
 

 
.Rr&   r#   ) rH   
__future__r   rM   rZ   collections.abcr   typingr   r   r   r]   	mcp.typesr   r7   pydanticr	   r
   r   r   r   r   typing_extensionsr   fastmcp.server.dependenciesr   fastmcp.utilities.componentsr   fastmcp.utilities.typesr   ABCr#   r*   r&   r%   <module>rl      sh    8 " 
  $ 0 0  -  # 3 9 FF FFR;Rx ;Rr&   