관리-도구
편집 파일: ref.cpython-38.pyc
U *�ej � @ s� d Z ddlmZ ddlZddlmZmZ ddlmZ ddl m Z m Z m Z ddl mZmZ ddlmZmZmZ G d d � d �ZG d d � d �ZG d d� ded�ZG dd� deed�ZG dd� de�ZG dd� dee�Zddddd d gZdS )aG Virtual environments in the traditional sense are built as reference to the host python. This file allows declarative references to elements on the file system, allowing our system to automatically detect what modes it can support given the constraints: e.g. can the file system symlink, can the files be read, executed, etc. � )� annotationsN)�ABCMeta�abstractmethod)� OrderedDict)�S_IXGRP�S_IXOTH�S_IXUSR)�fs_is_case_sensitive�fs_supports_symlink)�copy�make_exe�symlinkc @ s e Zd ZdZdZdZdS )�RefMust�NAr r N)�__name__� __module__� __qualname__r �COPY�SYMLINK� r r �Z/opt/hc_python/lib/python3.8/site-packages/virtualenv/create/via_global_ref/builtin/ref.pyr s r c @ s e Zd ZdZdZdZdS )�RefWhen�ANYr r N)r r r r r r r r r r r s r c @ sz e Zd ZdZe� Ze� Zej e j fdd�dd�Z dd�dd�Z ed d � �Zed d � �Zed d� �Zedd� �Zdd� ZdS )�PathRefzABase class that checks if a file reference can be symlink/copied.�None��returnc C sp || _ || _|| _z|�� | _W n tk r: d| _Y nX | jrFd nd| _| jrVd nd| _| jrfd nd| _d S �NF)�must�when�src�exists�OSError� _can_read� _can_copy� _can_symlink��selfr r r r r r �__init__$ s zPathRef.__init__�strc C s | j j� d| j� d�S )N�(src=�))� __class__r r �r' r r r �__repr__0 s zPathRef.__repr__c C sp | j d krj| j�� rTz"| j�d�� d| _ W 5 Q R X W qj tk rP d| _ Y qjX nt�t| j�tj�| _ | j S )N�rbTF) r# r �is_file�openr" �os�accessr) �R_OKr- r r r �can_read3 s zPathRef.can_readc C s. | j d kr(| jtjkr | j| _ n| j| _ | j S �N)r$ r r r � can_symlinkr5 r- r r r �can_copy@ s zPathRef.can_copyc C s4 | j d kr.| jtjkr | j| _ n| jo*| j| _ | j S r6 )r% r r r r8 �FS_SUPPORTS_SYMLINKr5 r- r r r r7 I s zPathRef.can_symlinkc C s t �d S r6 )�NotImplementedError)r' �creator�symlinksr r r �runR s z PathRef.runc C s, | j tjkrtS | j tjkr tS |r(tS tS r6 )r r r r r r )r' r< r r r �methodV s zPathRef.methodN)r r r �__doc__r r9 r �FS_CASE_SENSITIVEr r r r r( r. �propertyr5 r8 r7 r r= r> r r r r r s r )� metaclassc sH e Zd ZdZejejfdd�� fdd� Ze dd� �Z e dd � �Z � Z S ) � ExePathRefzJBase class that checks if a executable can be references via symlink/copy.r r c s t � �|||� d | _d S r6 )�superr( �_can_runr& �r, r r r( a s zExePathRef.__init__c C s | j r | jS dS r )r9 �can_runr- r r r r7 e s zExePathRef.can_symlinkc C sD | j d kr>| j�� j}tttfD ]}||@ r2d| _ q>q d| _ | j S )NTF)rE r �stat�st_moder r r )r' �mode�keyr r r rG k s zExePathRef.can_run) r r r r? r r r r r( rA r7 rG � __classcell__r r rF r rC ^ s rC c s8 e Zd ZdZejejfdd�� fdd� Zdd� Z � Z S )� PathRefToDestz Link a path on the file system.r r c s t � �|||� || _d S r6 )rD r( �dest)r' r rN r r rF r r r( { s zPathRefToDest.__init__c C s` | � || j�}| �|�}t|t�r&|n|f}|j�� sF|jjddd� |D ]}|| j|� qJd S )NT)�parents�exist_ok)rN r r> � isinstance�list�parentr! �mkdir)r' r; r< rN r> Z dest_iterable�dstr r r r= s zPathRefToDest.run) r r r r? r r r r r( r= rL r r rF r rM x s rM c @ s> e Zd ZdZejejfdd�dd�Zdd� Z dd�d d �Z d S ) �ExePathRefToDestz#Link a exe path on the file system.r r c C sd t �| |||� t�| ||||� | jsBttdd� |D ���� �}|d | _|dd � | _|| _ d S )Nc s s | ]}|� � d fV qd S r6 )�lower)�.0�ir r r � <genexpr>� s z,ExePathRefToDest.__init__.<locals>.<genexpr>r � ) rC r( rM r@ rR r �keys�base�aliasesrN )r' r �targetsrN r r r r r r( � s zExePathRefToDest.__init__c C s� | � || j�j}|| j }| �|�}|| j|� |s<t|� | jD ]F}|| }|�� r^|�� |rp|� | j� n t | j|� |sBt|� qBd S r6 ) rN r rS r] r> r r^ r! �unlink� symlink_tor )r' r; r< �bin_dirrN r> �extraZ link_filer r r r= � s zExePathRefToDest.runr) c C s | j j� d| j� d| j� d�S )Nr* z, alias=r+ )r, r r r^ r- r r r r. � s zExePathRefToDest.__repr__N) r r r r? r r r r r( r= r. r r r r rV � s rV )r? � __future__r r2 �abcr r � collectionsr rH r r r Zvirtualenv.infor r Zvirtualenv.util.pathr r r r r r rC rM rV �__all__r r r r �<module> s( @#�