관리-도구
편집 파일: cache.cpython-38.pyc
U ��.e� � @ s� d Z ddlZddlmZ ddlmZ ddlmZ ddlm Z m Z ddlmZ ddl mZ erhdd lmZ ed d� �ZG dd � d e�ZdS )zHTTP cache implementation. � N)�contextmanager)� BaseCache)� FileCache)�adjacent_tmp_file�replace)� ensure_dir)�MYPY_CHECK_RUNNING)�Optionalc c s( z dV W n t tfk r" Y nX dS )zvIf we can't access the cache then we can just skip caching and process requests as if caching wasn't enabled. N)�OSError�IOError� r r �?/usr/lib/python3.8/site-packages/pip/_internal/network/cache.py�suppressed_cache_errors s r c s@ e Zd ZdZ� fdd�Zdd� Zdd� Zdd � Zd d� Z� Z S )� SafeFileCachezw A file based cache which is safe to use even when the target directory may not be accessible or writable. c s( |d k st d��tt| ��� || _d S )Nz!Cache directory must not be None.)�AssertionError�superr �__init__� directory)�selfr �� __class__r r r &