o
�J�h�
� @ s4 d dl Z d dlmZ d dlmZ G dd� de�ZdS )� N)�MutableMapping)� lru_cachec @ s` e Zd ZdZ ddd�Zdd� Zdd � Zd
d � Zd d
� Zdd� Z dd� Z
dd� Z dd� Z dS )�DirCachea�
Caching of directory listings, in a structure like::
{"path0": [
{"name": "path0/file0",
"size": 123,
"type": "file",
...
},
{"name": "path0/file1",
},
...
],
"path1": [...]
}
Parameters to this class control listing expiry or indeed turn
caching off
TNc s@ i � _ i � _|rt|d �� fdd��� _|� _|� _|� _dS )a
Parameters
----------
use_listings_cache: bool
If False, this cache never returns items, but always reports KeyError,
and setting items has no effect
listings_expiry_time: int or float (optional)
Time in seconds that a listing is considered valid. If None,
listings do not expire.
max_paths: int (optional)
The number of most recent listings that are considered valid; 'recent'
refers to when the entry was set.
� c s � j �| d �S �N)�_cache�pop)�key��self� �MC:\pinokio\api\whisper-webui.git\app\env\lib\site-packages\fsspec\dircache.py�<lambda>3 s z#DirCache.__init__.<locals>.<lambda>N)r �_timesr �_q�use_listings_cache�listings_expiry_time� max_paths)r r r r �kwargsr r
r
�__init__ s
zDirCache.__init__c C sJ | j d ur| j�|d�t�� | j k r| j|= | jr | �|� | j| S )Nr )r r �get�timer r r �r �itemr r r
� __getitem__8 s
zDirCache.__getitem__c C s | j �� d S r )r �clearr
r r r
r @ s zDirCache.clearc C s
t | j�S r )�lenr r
r r r
�__len__C s
zDirCache.__len__c C s$ z| | W dS t y Y dS w )NTF)�KeyErrorr r r r
� __contains__F s �zDirCache.__contains__c C sD | j sd S | jr
| �|� || j|< | jd ur t�� | j|< d S d S r )r r r r r r r )r r �valuer r r
� __setitem__M s
�zDirCache.__setitem__c C s | j |= d S r )r )r r r r r
� __delitem__V s zDirCache.__delitem__c s t � j�}� fdd�|D �S )Nc 3 s � | ] }|� v r|V qd S r r )�.0�kr
r r
� <genexpr>\ s � z$DirCache.__iter__.<locals>.<genexpr>)�listr )r �entriesr r
r
�__iter__Y s
zDirCache.__iter__c C s t | j| j| jffS r )r r r r r
r r r
�
__reduce__^ s �zDirCache.__reduce__)TNN)
�__name__�
__module__� __qualname__�__doc__r r r r r r! r" r( r) r r r r
r s
� r )r �collections.abcr � functoolsr r r r r r
�<module> s