a
    Oc%                     @   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eed dd	d
Ze jed dddZG dd dZdS )    N)TracebackType)Dict	GeneratorOptionalSetTypeUnion)Link)InstallRequirement)TempDirectoryNNN)changesreturnc               
   k   s   t j}t }i }|  D ]<\}}z|| ||< W n tyJ   |||< Y n0 |||< qzBd V  W | D ].\}}||u r||= qht|tsJ |||< qhn:| D ].\}}||u r||= qt|tsJ |||< q0 d S N)osenvironobjectitemsKeyError
isinstancestr)r   targetZnon_existent_markerZsaved_valuesnameZ	new_valueoriginal_value r   d/var/www/html/megastudio/lib/python3.9/site-packages/pip/_internal/operations/build/build_tracker.pyupdate_env_context_manager   s*    
r   )BuildTrackerNNr   c               	   c   s   t jd} t t}| d u rL|tddj} |t| d t	
d|  t| }|V  W d    n1 sp0    Y  W d    n1 s0    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ctxZtrackerr   r   r   get_build_tracker)   s    

r*   c                   @   s   e Zd ZeddddZd dddZeee  ee ee	 ddd	d
Z
eedddZeddddZeddddZddddZejeed dddZdS )r   N)r(   r   c                 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__r   c                 C   s   t d| j | S )NzEntered build tracker: %s)r&   r'   r+   )r.   r   r   r   	__enter__<   s    zBuildTracker.__enter__)exc_typeexc_valexc_tbr   c                 C   s   |    d S r   )cleanup)r.   r1   r2   r3   r   r   r   __exit__@   s    zBuildTracker.__exit__)linkr   c                 C   s$   t |j  }tj| j|S r   )	hashlibsha224url_without_fragmentencode	hexdigestr   r%   joinr+   )r.   r6   hashedr   r   r   _entry_pathH   s    zBuildTracker._entry_path)reqr   c                 C   s   |j s
J | |j }z4t|}| }W d   n1 s>0    Y  W n ty\   Y n0 d|j |}t||| jvsJ t|ddd}|t	| W d   n1 s0    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)r6   r>   openreadFileNotFoundErrorformatLookupErrorr-   writer   addr&   r'   r+   )r.   r?   Z
entry_pathfpcontentsmessager   r   r   rH   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)	r6   r   unlinkr>   r-   remover&   r'   r+   r.   r?   r   r   r   rM   h   s    
zBuildTracker.removec                 C   s,   t | jD ]}| | q
td| j d S )NzRemoved build tracker: %r)r,   r-   rM   r&   r'   r+   rN   r   r   r   r4   r   s    zBuildTracker.cleanupr   c                 c   s   |  | d V  | | d S r   )rH   rM   rN   r   r   r   trackx   s    
zBuildTracker.track)__name__
__module____qualname__r   r/   r0   r   r   BaseExceptionr   r5   r	   r>   r
   rH   rM   r4   r"   contextmanagerr   rO   r   r   r   r   r   6   s   

r   )r"   r7   loggingr   typesr   typingr   r   r   r   r   r   pip._internal.models.linkr	   pip._internal.req.req_installr
   pip._internal.utils.temp_dirr   	getLoggerrP   r&   rT   r   r   r*   r   r   r   r   r   <module>   s    
