o
    i/                     @  s   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m	Z	m
Z
mZmZmZ ddlmZmZmZ ddlmZmZmZ eG dd	 d	eeef ZedddZedddddZ	ddddddZeddG dd dZdS )z
A Nexus service definition is a class with class attributes of type Operation. It must
be be decorated with @nexusrpc.service. The decorator validates the Operation
attributes.
    )annotationsN)	dataclass)AnyCallableGenericMappingOptionalTypeUnionoverload)InputTOutputTServiceT)get_annotationsget_service_definitionset_service_definitionc                   @  sh   e Zd ZU dZded< ejddZded< ejddZded	< ejddZ	d
ed< dd Z
dddZdS )	Operationa  Defines a Nexus operation in a Nexus service definition.

    This class is for definition of operation name and input/output types only; to
    implement an operation, see `:py:meth:nexusrpc.handler.operation_handler`.

    Example:

    .. code-block:: python

        @nexusrpc.service
        class MyNexusService:
            my_operation: nexusrpc.Operation[MyInput, MyOutput]
    strnameN)defaultOptional[str]method_namezOptional[Type[InputT]]
input_typezOptional[Type[OutputT]]output_typec                 C  s   | j stdd S )NzOperation name cannot be empty)r   
ValueError)self r   W/var/www/html/karishye-ai-python/venv/lib/python3.10/site-packages/nexusrpc/_service.py__post_init__5   s   zOperation.__post_init__return	list[str]c                 C  sp   g }| j s|d| j d | js|d| j  d | js)|d| j  d | js6|d| j  d |S )Nz'Operation has no name (method_name is 'z')Operation 'z' has no method namez' has no input typez' has no output type)r   appendr   r   r   r   errorsr   r   r   _validation_errors9   s   zOperation._validation_errorsr   r    )__name__
__module____qualname____doc____annotations__dataclassesfieldr   r   r   r   r%   r   r   r   r   r      s   
 r   clsType[ServiceT]r   c                 C     d S Nr   )r.   r   r   r   serviceH   s   r2   r   r   r   *Callable[[Type[ServiceT]], Type[ServiceT]]c                 C  r0   r1   r   r3   r   r   r   r2   L   s   Optional[Type[ServiceT]]AUnion[Type[ServiceT], Callable[[Type[ServiceT]], Type[ServiceT]]]c                  s"   d fdd}| du r|S || S )a  
    Decorator marking a class as a Nexus service definition.

    The decorator validates the operation definitions in the service definition: that they
    have the correct type, and that there are no duplicate operation names. The decorator
    also creates instances of the Operation class for each operation definition.

    Example:
        .. code-block:: python

            @nexusrpc.service
            class MyNexusService:
                my_op: nexusrpc.Operation[MyInput, MyOutput]
                another_op: nexusrpc.Operation[str, dict]

            @nexusrpc.service(name="custom-service-name")
            class AnotherService:
                process: nexusrpc.Operation[ProcessInput, ProcessOutput]
    r.   r/   r   c                   sT    d ur
 s
t dt|  p| j}t| | |j D ]
\}}t| || q| S )NzService name must not be empty.)r   ServiceDefinition
from_classr'   r   
operationsitemssetattr)r.   defnop_nameopr3   r   r   	decoratorv   s   

zservice.<locals>.decoratorNr.   r/   r   r/   r   )r.   r   r?   r   r3   r   r2   R   s   $T)frozenc                   @  sP   e Zd ZU dZded< ded< dd ZedddZdddZedddZ	dS )r7   a-  
    Internal representation of a user's service definition class.

    A named collection of named operation definitions.

    A service definition class is a class decorated with :py:func:`nexusrpc.service`
    containing class attribute type annotations of type :py:class:`nexusrpc.Operation`.
    r   r   z!Mapping[str, Operation[Any, Any]]r9   c                 C  s,   |    }rtd| j dd| d S )NzService definition z has validation errors: z, )r%   r   r   joinr#   r   r   r   r      s
   zServiceDefinition.__post_init__
user_classr/   r   c              	   C  s   t | }dd dd |  dd D D }dd | D }t|d }r^|j D ]1}|j|v rCtd|j d	|  d
|j d|j|v rXtd|j d	|  d
|j d|||j< q,t ||dS )a  Create a ServiceDefinition from a user service definition class.

        The set of service definition operations returned is the union of operations
        defined directly on this class with those inherited from ancestral service
        definitions (i.e. ancestral classes that were decorated with @nexusrpc.service).
        If multiple service definitions define an operation with the same name, then the
        usual mro() precedence rules apply.
        c                 s  s    | ]}|r|V  qd S r1   r   ).0r<   r   r   r   	<genexpr>   s    
z/ServiceDefinition.from_class.<locals>.<genexpr>c                 s  s    | ]}t |V  qd S r1   )r   )rD   r.   r   r   r   rE      s       Nc                 S  s   h | ]}|j r|j qS r   )r   )rD   r>   r   r   r   	<setcomp>   s    z/ServiceDefinition.from_class.<locals>.<setcomp>Operation method name '' in class 'zF' also occurs in a service definition inherited from a parent class: 'z'. This is not allowed.zOperation name ')r   r9   )	r7   _collect_operationsmrovaluesnextr9   r   r   r   )rC   r   r9   parent_defnsmethod_namesparent_defnr>   r   r   r   r8      s*   



zServiceDefinition.from_classr    c                 C  sf   g }| j s
|d t }| j D ]}|j|v r#|d|j d ||j ||  q|S )NzService has no namerH   z' is not unique)	r   r"   setr9   rL   r   addextendr%   )r   r$   seen_method_namesr>   r   r   r   r%      s   

z$ServiceDefinition._validation_errorsdict[str, Operation[Any, Any]]c              	   C  s  i }| j  D ]\}}t|tr|||< qt|tu r tdqdd t| dd D }| | B D ]}|	| }rt
|}t|dkrZtd| d|  d	t| d
|\}}	||vrot||||	d }
||< nW|| }
|
jsz||
_n|
j|krtd| d|
j d| |
js|	|
_n2|
j|	krtd| d|
j d|	 n|| }
|
js||
_n|
j|krtd| d|
j d| |
jdu r||
_q6i }| D ]}
|
j|v rtd|
j d|  d|
||
j< q|S )ziCollect operations from a user service definition class.

        Does not visit parent classes.
        zOperation definitions in the service definition should look like  my_op: nexusrpc.Operation[InputType, OutputType]. Did you accidentally use '=' instead of ':'?c                 S  s,   i | ]\}}|t kst|t kr||qS r   )r   typing
get_origin)rD   kvr   r   r   
<dictcomp>   s
    z9ServiceDefinition._collect_operations.<locals>.<dictcomp>T)eval_str   zlOperation types in the service definition should look like  nexusrpc.Operation[InputType, OutputType], but 'z' in 'z' has z type parameters.)r   r   r   r   z
Operation z input_type (z) must match type parameter z output_type (z method_name (z) must match attribute name Nr!   rI   z' is defined multiple times)__dict__r:   
isinstancer   rV   rW   	TypeErrorr   keysgetget_argslenr   r   r   r   rL   r   )rC   r9   rX   rY   r   keyop_typeargsr   r   r>   operations_by_namer   r   r   rJ      s   







z%ServiceDefinition._collect_operationsN)rC   r/   r   r   r   r7   r&   )rC   r/   r   rU   )
r'   r(   r)   r*   r+   r   staticmethodr8   r%   rJ   r   r   r   r   r7      s   
 	
.r7   r@   )r   r   r   r4   r1   )r.   r5   r   r   r   r6   )r*   
__future__r   r,   rV   r   r   r   r   r   r   r	   r
   r   nexusrpc._commonr   r   r   nexusrpc._utilr   r   r   r   r2   r7   r   r   r   r   <module>   s*    ((=