Edit File: req_tracker.cpython-37.pyc
B �j�cR � @ s� d dl mZ d dlZd dlZd dlZd dlZd dlZd dlmZ d dl m Z d dl m Z e r�d dl mZ d dlmZmZmZmZmZmZ d dlmZ d d lmZ e�e�Z ej d d � �Z ej d d � �Z G dd� de �Z!dS )� )�absolute_importN)� contextlib2)� TempDirectory)�MYPY_CHECK_RUNNING)� TracebackType)�Dict�Iterator�Optional�Set�Type�Union)�InstallRequirement)�Linkc k s� t j}t� }i }xJ| �� D ]>\}}y|| ||< W n tk rN |||< Y nX |||< qW z d V W d x:|�� D ].\}}||kr�||= qrt|t�s�t�|||< qrW X d S )N)�os�environ�object�items�KeyError� isinstance�str�AssertionError)�changes�target�non_existent_marker� saved_values�name� new_value�original_value� r ��/builddir/build/BUILDROOT/alt-python37-pip-20.2.4-5.el8.x86_64/opt/alt/python37/lib/python3.7/site-packages/pip/_internal/req/req_tracker.py�update_env_context_manager s r c c st t j�d�} t�� �V}| d krL|�tdd��j} |�t| d�� t � d| � t | �� }|V W d Q R X W d Q R X d S )N�PIP_REQ_TRACKERz req-tracker)�kind)r! z Initialized build tracking at %s) r r �getr � ExitStack� enter_contextr �pathr �logger�debug�RequirementTracker)�root�ctx�trackerr r r �get_requirement_tracker2 s r- c @ sR e Zd Zdd� Zdd� Zdd� Zdd� Zd d � Zd d � Zd d� Z e j dd� �Z dS )r) c C s || _ t� | _t�d| j � d S )NzCreated build tracker: %s)�_root�set�_entriesr' r( )�selfr* r r r �__init__D s zRequirementTracker.__init__c C s t �d| j� | S )NzEntered build tracker: %s)r' r( r. )r1 r r r � __enter__J s z RequirementTracker.__enter__c C s | � � d S )N)�cleanup)r1 �exc_type�exc_val�exc_tbr r r �__exit__O s zRequirementTracker.__exit__c C s$ t �|j�� ��� }tj�| j|�S )N) �hashlib�sha224�url_without_fragment�encode� hexdigestr r& �joinr. )r1 �link�hashedr r r � _entry_pathX s z RequirementTracker._entry_pathc C s� |j s t�| �|j �}y t|��}|�� }W dQ R X W n0 tk rf } z|jtjkrV� W dd}~X Y nX d�|j |�}t |��|| j ks�t�t|d��}|� t |�� W dQ R X | j � |� t�d|| j� dS )z5Add an InstallRequirement to build tracking. Nz {} is already being built: {}�wz Added %s to build tracker %r)r? r rA �open�read�IOError�errno�ENOENT�format� LookupErrorr0 �writer �addr' r( r. )r1 �req� entry_path�fp�contents�e�messager r r rK ] s zRequirementTracker.addc C s< |j s t�t�| �|j �� | j�|� t�d|| j � dS )z:Remove an InstallRequirement from build tracking. z Removed %s from build tracker %rN) r? r r �unlinkrA r0 �remover' r( r. )r1 rL r r r rS ~ s zRequirementTracker.removec C s0 x t | j�D ]}| �|� q W t�d| j� d S )NzRemoved build tracker: %r)r/ r0 rS r' r( r. )r1 rL r r r r4 � s zRequirementTracker.cleanupc c s | � |� d V | �|� d S )N)rK rS )r1 rL r r r �track� s zRequirementTracker.trackN) �__name__� __module__� __qualname__r2 r3 r8 rA rK rS r4 � contextlib�contextmanagerrT r r r r r) B s ! r) )"� __future__r rX rF r9 �loggingr � pip._vendorr � pip._internal.utils.temp_dirr �pip._internal.utils.typingr �typesr �typingr r r r r r Z pip._internal.req.req_installr �pip._internal.models.linkr � getLoggerrU r' rY r r- r r) r r r r �<module> s"