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B �5�g`$ � @ s@ U d dl Z d dlZd dlZd dlZd dlZd dlZd dlmZm Z d dl m Z d dl m Z mZmZmZmZmZmZmZ d dlmZmZ e�e�Zeddd�Zed d d d �Z da ee e d < e ed d�dd��Z G dd� d�Z da!ee e d< e ee ddf d�dd��Z"G dd� d�Z#e#� Z$G dd� d�Z%G dd� de%�Z&dS ) � N)� ExitStack�contextmanager)�Path)�Any�Callable�Dict� Generator�List�Optional�TypeVar�Union)�enum�rmtree�_T� TempDirectory)Zboundz build-envzephem-wheel-cachez req-build)Z BUILD_ENVZEPHEM_WHEEL_CACHEZ REQ_BUILD�_tempdir_manager)NNN)�returnc c s2 t � �"} t| }az d V W d |aX W d Q R X d S )N)r r )�stackZold_tempdir_manager� r �=/tmp/pip-install-251nq386/pip/pip/_internal/utils/temp_dir.py�global_tempdir_manager' s r c @ s@ e Zd ZdZdd�dd�Zeedd�dd�Zeed �d d �ZdS ) �TempDirectoryTypeRegistryz Manages temp directory behaviorN)r c C s i | _ d S )N)�_should_delete)�selfr r r �__init__5 s z"TempDirectoryTypeRegistry.__init__)�kind�valuer c C s || j |< dS )z[Indicate whether a TempDirectory of the given kind should be auto-deleted. N)r )r r r r r r � set_delete8 s z$TempDirectoryTypeRegistry.set_delete)r r c C s | j �|d�S )z^Get configured auto-delete flag for a given TempDirectory type, default True. T)r �get)r r r r r � get_delete> s z$TempDirectoryTypeRegistry.get_delete) �__name__� __module__� __qualname__�__doc__r �str�boolr r r r r r r 2 s r �_tempdir_registryc c s t } t� a z t V W d| a X dS )zuProvides a scoped global tempdir registry that can be used to dictate whether directories should be deleted. N)r& r )Zold_tempdir_registryr r r �tempdir_registryH s r' c @ s e Zd ZdS )�_DefaultN)r r! r" r r r r r( V s r( c s� e Zd ZdZdedddfee eede f eeed�� fdd� Z e ed �d d ��Z ed �d d �Z eed�dd�Zeeedd�dd�Zeed�dd�Zdd �dd�Z� ZS )r aM Helper class that owns and cleans up a temporary directory. This class can be used as a context manager or as an OO representation of a temporary directory. Attributes: path Location to the created temporary directory delete Whether the directory should be deleted when exiting (when used as a contextmanager) Methods: cleanup() Deletes the temporary directory When used as a context manager, if the delete attribute is True, on exiting the context the temporary directory is deleted. N�tempFT)�path�deleter �globally_managed�ignore_cleanup_errorsc sr t � �� |tkr$|d k r d}nd }|d kr6| �|�}|| _d| _|| _|| _|| _|rnt d k sdt �t � | � d S )NF) �superr �_default�_create�_path�_deletedr+ r r- r �AssertionError� enter_context)r r* r+ r r, r- )� __class__r r r r s zTempDirectory.__init__)r c C s | j rtd| j� ���| jS )Nz"Attempted to access deleted path: )r2 r3 r1 )r r r r r* � s zTempDirectory.pathc C s d| j j� d| j�d�S )N�<� �>)r5 r r* )r r r r �__repr__� s zTempDirectory.__repr__)r r c C s | S )Nr )r r r r � __enter__� s zTempDirectory.__enter__)�excr �tbr c C s8 | j d k r| j }ntr$t�| j�}nd}|r4| �� d S )NT)r+ r& r r �cleanup)r r; r r< r+ r r r �__exit__� s zTempDirectory.__exit__)r r c C s, t j�tjd|� d�d��}t�d|� |S )z<Create a temporary directory and store its path in self.pathzpip-�-)�prefixz Created temporary directory: %s)�osr* �realpath�tempfile�mkdtemp�logger�debug)r r r* r r r r0 � s zTempDirectory._createc s� d| _ tj�| j�sdS g � tdtf ttdd�� fdd� }| j r�yt | jdd� W n" t k rv t | j|d � Y nX � r�t � d | j� n t | j� dS ) z6Remove the temporary directory created and reset stateTN.)�funcr* �exc_valr c s` d� t�t|�|��}|�� }| tjtjtjfkrBt � d||� nt � d| j |� � � |� dS )z/Log a warning for a `rmtree` error and continue� z2Failed to remove a temporary file '%s' due to %s. z%s failed with %s.N) �join� traceback�format_exception_only�type�rstriprA �unlink�remove�rmdirrE rF r" �append)rG r* rH Z formatted_exc)�errorsr r �onerror� s z&TempDirectory.cleanup.<locals>.onerrorF)� ignore_errors)Zonexcz[Failed to remove contents in a temporary directory '%s'. You can safely remove it manually.)r2 rA r* �existsr1 r r r � BaseExceptionr- r �OSErrorrE �warning)r rT r )rS r r= � s$ zTempDirectory.cleanup)r r! r" r# r/ r r$ r r% r( r �propertyr* r9 r r: r r> r0 r= � __classcell__r r )r5 r r ] s , c sb e Zd ZdZdZd eee dd�� fdd� Ze ee eddf d�dd ��Z eed �d d �Z � Z S )�AdjacentTempDirectorya� Helper class that creates a temporary directory adjacent to a real one. Attributes: original The original directory to create a temp directory for. path After calling create() or entering, contains the full path to the temporary directory. delete Whether the directory should be deleted when exiting (when used as a contextmanager) z-~.=%0123456789N)�originalr+ r c s |� d�| _t� j|d� d S )Nz/\)r+ )rN r] r. r )r r] r+ )r5 r r r � s z AdjacentTempDirectory.__init__)�namer c c s� xZt dt|��D ]H}xBt�| j|d �D ],}dd�|� ||d� }||kr(|V q(W qW xNt t| j��D ]<}x6t�| j|�D ]$}dd�|� | }||kr�|V q�W qlW dS )a Generates a series of temporary names. The algorithm replaces the leading characters in the name with ones that are valid filesystem characters, but are not valid package names (for both Python and pip definitions of package). � �~� N)�range�len� itertools� combinations_with_replacement� LEADING_CHARSrJ )�clsr^ �i� candidate�new_namer r r �_generate_names� s z%AdjacentTempDirectory._generate_names)r r c C s� t j�| j�\}}x�| �|�D ]`}t j�||�}yt �|� W n0 tk rn } z|jtj kr^� W d d }~X Y q X t j� |�}P q W t j� t j d|� d�d��}t �d|� |S )Nzpip-r? )r@ z Created temporary directory: %s)rA r* �splitr] rk rJ �mkdirrX �errno�EEXISTrB rC rD rE rF )r r �rootr^ ri r* �exr r r r0 s z AdjacentTempDirectory._create)N)r r! r" r# rf r$ r r% r � classmethodr rk r0 r[ r r )r5 r r\ � s r\ )'rn rd �logging�os.pathrA rC rK � contextlibr r Zpathlibr �typingr r r r r r r r �pip._internal.utils.miscr r � getLoggerr rE r Z tempdir_kindsr �__annotations__r r r& r' r( r/ r r\ r r r r �<module> s8 (
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