
­­­­­­­­­­­­­­­­­­
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    \UV<                     @   sx   d Z dZdZdZddlmZ ddlZG dd deZG d	d
 d
eZG dd deZ	e	Z
e	ZG dd de	ZeZeZdS )zDaniel Greenfeldzpydanny@gmail.comz1.3.0BSD    )timeNc                   @   s    e Zd ZdZdd Zdd ZdS )cached_propertya   
    A property that is only computed once per instance and then replaces itself
    with an ordinary attribute. Deleting the attribute resets the property.
    Source: https://github.com/bottlepy/bottle/commit/fa7733e075da0d790d809aa3d2f53071897e6f76
    c                 C   s   t |d| _|| _d S N__doc__)getattrr   funcselfr    r   @/opt/alt/python38/lib/python3.8/site-packages/cached_property.py__init__   s    zcached_property.__init__c                 C   s(   |d kr| S |  | }|j| j j< |S N)r   __dict____name__)r
   objclsvaluer   r   r   __get__   s    zcached_property.__get__Nr   
__module____qualname__r   r   r   r   r   r   r   r      s   r   c                   @   s    e Zd ZdZdd Zdd ZdS )threaded_cached_property
    A cached_property version for use in environments where multiple threads
    might concurrently try to access the property.
    c                 C   s    t |d| _|| _t | _d S r   )r   r   r   	threadingRLocklockr	   r   r   r   r   $   s    z!threaded_cached_property.__init__c              
   C   sz   |d kr| S |j }| jj}| jP z|| W W  5 Q R  S  tk
rj   ||| | Y W  5 Q R  S X W 5 Q R X d S r   )r   r   r   r   KeyError
setdefault)r
   r   r   obj_dictnamer   r   r   r   )   s    z threaded_cached_property.__get__Nr   r   r   r   r   r      s   r   c                   @   sB   e Zd ZdZdddZdd Zdd Zd	d
 Zdd Zdd Z	dS )cached_property_with_ttlz
    A property that is only computed once per instance and then replaces itself
    with an ordinary attribute. Setting the ttl to a number expresses how long
    the property will last before being timed out.
    Nc                 C   s*   t |r|}d }nd }|| _| | d S r   )callablettl_prepare_func)r
   r#   r   r   r   r   r   ?   s    z!cached_property_with_ttl.__init__c                 C   s   |  | | S r   )r$   r	   r   r   r   __call__H   s    
z!cached_property_with_ttl.__call__c           	      C   sz   |d kr| S t  }|j}| j}z|| \}}W n tk
rB   Y nX | joV| j|| k }|s`|S | |}||f||< |S r   )r   r   r   r   r#   r   )	r
   r   r   nowr   r    r   Zlast_updatedZttl_expiredr   r   r   r   L   s    
z cached_property_with_ttl.__get__c                 C   s   |j | jd  d S r   )r   popr   )r
   r   r   r   r   
__delete__`   s    z#cached_property_with_ttl.__delete__c                 C   s   |t  f|j| j< d S r   )r   r   r   )r
   r   r   r   r   r   __set__c   s    z cached_property_with_ttl.__set__c                 C   s&   || _ |r"|j| _|j| _|j| _d S r   )r   r   r   r   r	   r   r   r   r$   f   s
    z&cached_property_with_ttl._prepare_func)N)
r   r   r   r   r   r%   r   r(   r)   r$   r   r   r   r   r!   8   s   
	r!   c                       s.   e Zd ZdZd fdd	Z fddZ  ZS )!threaded_cached_property_with_ttlr   Nc                    s   t t| | t | _d S r   )superr*   r   r   r   r   )r
   r#   	__class__r   r   r   x   s    z*threaded_cached_property_with_ttl.__init__c              
      s0   | j   tt| ||W  5 Q R  S Q R X d S r   )r   r+   r*   r   )r
   r   r   r,   r   r   r   |   s    z)threaded_cached_property_with_ttl.__get__)N)r   r   r   r   r   r   __classcell__r   r   r,   r   r*   r   s   r*   )
__author__	__email____version____license__r   r   objectr   r   r!   Zcached_property_ttlZtimed_cached_propertyr*   Zthreaded_cached_property_ttlZtimed_threaded_cached_propertyr   r   r   r   <module>   s   6