o
    h                     @  s   d dl mZ d dlZd dlZejdkrd dlmZ nd dlmZ d dlmZ d dl	m
Z
 edZG dd	 d	ZG d
d deZdS )    )annotationsN)   
   )	ParamSpec)is_async_callable)run_in_threadpoolPc                   @  s    e Zd Zdd	d
ZdddZdS )BackgroundTaskfunctyping.Callable[P, typing.Any]argsP.argskwargsP.kwargsreturnNonec                 O  s    || _ || _|| _t|| _d S N)r
   r   r   r   is_async)selfr
   r   r    r   h/var/www/html/construction_image-detection-poc/venv/lib/python3.10/site-packages/starlette/background.py__init__   s   zBackgroundTask.__init__c                   sL   | j r| j| ji | jI d H  d S t| jg| jR i | jI d H  d S r   )r   r
   r   r   r   )r   r   r   r   __call__   s   &zBackgroundTask.__call__Nr
   r   r   r   r   r   r   r   r   r   )__name__
__module____qualname__r   r   r   r   r   r   r	      s    
r	   c                   @  s,   e Zd ZddddZdddZdddZdS )BackgroundTasksNtasks&typing.Sequence[BackgroundTask] | Nonec                 C  s   |r	t || _d S g | _d S r   )listr   )r   r   r   r   r   r       s   zBackgroundTasks.__init__r
   r   r   r   r   r   r   r   c                 O  s&   t |g|R i |}| j| d S r   )r	   r   append)r   r
   r   r   taskr   r   r   add_task#   s   zBackgroundTasks.add_taskc                   s   | j D ]}| I d H  qd S r   )r   )r   r#   r   r   r   r   '   s   
zBackgroundTasks.__call__r   )r   r    r   r   )r   r   r   r   r$   r   r   r   r   r   r      s    
r   )
__future__r   systypingversion_infor   typing_extensionsstarlette._utilsr   starlette.concurrencyr   r   r	   r   r   r   r   r   <module>   s    
