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a a�hz � @ sl d Z dZddlmZ ddlZddlmZ G dd� de�ZG dd � d e�Z G d d � d e�Z d d � Z dd� Z dS )ai Decorators for running functions with context/sockets. .. versionadded:: 15.3 Like using Contexts and Sockets as context managers, but with decorator syntax. Context and sockets are closed at the end of the function. For example:: from zmq.decorators import context, socket @context() @socket(zmq.PUSH) def work(ctx, push): ... )�context�socket� ��wrapsN)� basestringc @ s2 e Zd ZdZd dd�Zdd� Zdd� Zd d � ZdS ) � _DecoratorzThe mini decorator factoryNc C s || _ d S �N��_target)�self�target� r �~/root/rpmbuild/BUILDROOT/imh-python39-modules-3.9.7-92.el8.x86_64/opt/imh-python/lib/python3.9/site-packages/zmq/decorators.py�__init__# s z_Decorator.__init__c s, �j � i ���\�� �� ���fdd�}|S )a� The main logic of decorator Here is how those arguments works:: @out_decorator(*dec_args, *dec_kwargs) def func(*wrap_args, **wrap_kwargs): ... And in the ``wrapper``, we simply create ``self.target`` instance via ``with``:: target = self.get_target(*args, **kwargs) with target(*dec_args, **dec_kwargs) as obj: ... c s t � ���� ��fdd��}|S )Nc s� �j | i |��}|� i ����^}�r6�|vr6||�< n*�rV�|v rVtd��j����n | |f } �| i |��W d � S 1 s�0 Y d S )Nz,{0}() got multiple values for argument '{1}')� get_target� TypeError�format�__name__)�args�kwargsr �obj)�dec_args� dec_kwargs�func�kw_namer r r �wrapper; s �� z7_Decorator.__call__.<locals>.decorator.<locals>.wrapperr )r r �r r r r )r r � decorator: s z&_Decorator.__call__.<locals>.decorator)�process_decorator_args)r r r r r r r �__call__& s z_Decorator.__call__c O s | j S )z_Return the target function Allows modifying args/kwargs to be passed. r )r r r r r r r Q s z_Decorator.get_targetc O sX d}t |�d�t�r |�d�}n.t|�dkrNt |d t�rN|d }|dd� }|||fS )z�Process args passed to the decorator. args not consumed by the decorator will be passed to the target factory (Context/Socket constructor). N�name� r )� isinstance�getr �pop�len�r r r r r r r r X s z!_Decorator.process_decorator_args)N)r � __module__� __qualname__�__doc__r r r r r r r r r s +r c s e Zd ZdZ� fdd�Z� ZS )�_ContextDecoratorz Decorator subclass for Contextsc s t t| ��tj� d S r )�superr* r �zmq�Context)r �� __class__r r r k s z_ContextDecorator.__init__)r r' r( r) r � __classcell__r r r. r r* i s r* c s0 e Zd ZdZ� fdd�Zdd� Zdd� Z� ZS )�_SocketDecoratorzNDecorator subclass for sockets Gets the context from other args. c s4 t t| �j|i |��\}}}|�dd�| _|||fS )z$Also grab context_name out of kwargs� context_namer )r+ r1 r r$ r2 r& r. r r r u s z'_SocketDecorator.process_decorator_argsc O s | j |i |��}|jS )z$Get context, based on call-time args)� _get_contextr )r r r r r r r r { s z_SocketDecorator.get_targetc O sL | j |v r$|| j }t|tj�r$|S |D ]}t|tj�r(| S q(tj�� S )a� Find the ``zmq.Context`` from ``args`` and ``kwargs`` at call time. First, if there is an keyword argument named ``context`` and it is a ``zmq.Context`` instance , we will take it. Second, we check all the ``args``, take the first ``zmq.Context`` instance. Finally, we will provide default Context -- ``zmq.Context.instance`` :return: a ``zmq.Context`` instance )r2 r" r, r- �instance)r r r �ctx�argr r r r3 � s z _SocketDecorator._get_context)r r' r( r) r r r3 r0 r r r. r r1 o s r1 c O s t � | i |��S )z�Decorator for adding a Context to a function. Usage:: @context() def foo(ctx): ... .. versionadded:: 15.3 :param str name: the keyword argument passed to decorated function )r* �r r r r r r � s r c O s t � | i |��S )a_ Decorator for adding a socket to a function. Usage:: @socket(zmq.PUSH) def foo(push): ... .. versionadded:: 15.3 :param str name: the keyword argument passed to decorated function :param str context_name: the keyword only argument to identify context object )r1 r7 r r r r � s r ) r) �__all__� functoolsr r, Zzmq.utils.strtypesr �objectr r* r1 r r r r r r �<module> s I,
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