o
    a+)h%                     @   s   d dl Z d dlZd dlZd dlZd dlmZ d dlmZmZm	Z	m
Z
mZmZ d dlmZ d dlmZ d dlmZ eeZe jdeded	 fd
dZe jded fddZG dd dZdS )    N)TracebackType)Dict	GeneratorOptionalSetTypeUnion)Link)InstallRequirement)TempDirectorychangesreturnNNNc               
   k   s    t j}t }i }|  D ]\}}z|| ||< W n ty&   |||< Y nw |||< qz"d V  W | D ]\}}||u rA||= q5t|tsHJ |||< q5d S | D ]\}}||u r_||= qSt|tsfJ |||< qSw N)osenvironobjectitemsKeyError
isinstancestr)r   targetnon_existent_markersaved_valuesname	new_valueoriginal_value r   kC:\Users\User\Downloads\Proyecto_IoT\venv\Lib\site-packages\pip/_internal/operations/build/build_tracker.pyupdate_env_context_manager   s0   


r   )BuildTrackerNNc               	   c   s    t jd} t C}| d u r'|tddj} |t| d t	
d|  t| }|V  W d    n1 s9w   Y  W d    d S W d    d S 1 sQw   Y  d S )NPIP_BUILD_TRACKERzbuild-tracker)kind)r!   z Initialized build tracking at %s)r   r   get
contextlib	ExitStackenter_contextr   pathr   loggerdebugr    )rootctxtrackerr   r   r   get_build_tracker)   s   

"r-   c                   @   s   e Zd ZdeddfddZdddZdeee  d	ee d
ee	 ddfddZ
dedefddZdeddfddZdeddfddZdddZejdeded fddZdS )r    r*   r   Nc                 C   s    || _ t | _td| j  d S )NzCreated build tracker: %s)_rootset_entriesr(   r)   )selfr*   r   r   r   __init__7   s   zBuildTracker.__init__c                 C   s   t d| j | S )NzEntered build tracker: %s)r(   r)   r.   )r1   r   r   r   	__enter__<   s   zBuildTracker.__enter__exc_typeexc_valexc_tbc                 C   s   |    d S r   )cleanup)r1   r4   r5   r6   r   r   r   __exit__@   s   zBuildTracker.__exit__linkc                 C   s$   t |j  }tj| j|S r   )	hashlibsha224url_without_fragmentencode	hexdigestr   r'   joinr.   )r1   r9   hashedr   r   r   _entry_pathH   s   zBuildTracker._entry_pathreqc                 C   s   |j sJ | |j }zt|}| }W d   n1 sw   Y  W n	 ty.   Y nw d|j |}t||| jvsAJ t|ddd}|t	| W d   n1 sZw   Y  | j
| td|| j dS )z,Add an InstallRequirement to build tracking.Nz{} is already being built: {}wzutf-8)encodingzAdded %s to build tracker %r)r9   rA   openreadFileNotFoundErrorformatLookupErrorr0   writer   addr(   r)   r.   )r1   rB   
entry_pathfpcontentsmessager   r   r   rK   L   s$   


zBuildTracker.addc                 C   s<   |j sJ t| |j  | j| td|| j dS )z1Remove an InstallRequirement from build tracking.z Removed %s from build tracker %rN)	r9   r   unlinkrA   r0   remover(   r)   r.   r1   rB   r   r   r   rQ   h   s   
zBuildTracker.removec                 C   s,   t | jD ]}| | qtd| j d S )NzRemoved build tracker: %r)r/   r0   rQ   r(   r)   r.   rR   r   r   r   r7   r   s   zBuildTracker.cleanupr   c                 c   s     |  | d V  | | d S r   )rK   rQ   rR   r   r   r   trackx   s   
zBuildTracker.track)r   r    )r   N)__name__
__module____qualname__r   r2   r3   r   r   BaseExceptionr   r8   r	   rA   r
   rK   rQ   r7   r$   contextmanagerr   rS   r   r   r   r   r    6   s$    




r    )r$   r:   loggingr   typesr   typingr   r   r   r   r   r   pip._internal.models.linkr	   Zpip._internal.req.req_installr
   pip._internal.utils.temp_dirr   	getLoggerrT   r(   rX   r   r   r-   r    r   r   r   r   <module>   s     
