a
    h,Me(                     @   s  d Z ddlZddlZ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
 ddlmZmZ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 dd	lmZ dd
lmZ ddlm Z m!Z!m"Z" ddl#m$Z$m%Z% ddl&m'Z' ddl(m)Z)m*Z* erddl+m,Z, e-e.Z/e0e0eee0 ee0e0f f dddZ1G dd dZ2e0dddZ3ee0 dddZ4G dd dZ5G dd de5Z6dS )z;Build Environment used for isolation during sdist building
    N)OrderedDict)TracebackType)TYPE_CHECKINGIterableListOptionalSetTupleTypeUnion)where)Requirement)Version)__file__)open_spinner)get_platlibget_purelib
get_scheme)get_default_environmentget_environment)call_subprocess)TempDirectorytempdir_kinds)PackageFinder)abreturnc                 C   s   | |kr| |fS | fS N )r   r   r   r   F/var/www/webapp/lib/python3.9/site-packages/pip/_internal/build_env.py_dedup   s    r    c                   @   s   e Zd ZeddddZdS )_PrefixN)pathr   c                 C   s4   || _ d| _td|d}|j| _t|j|j| _d S )NF )prefix)	r"   setupr   scriptsbin_dirr    purelibplatliblib_dirs)selfr"   Zschemer   r   r   __init__$   s
    z_Prefix.__init__)__name__
__module____qualname__strr,   r   r   r   r   r!   #   s   r!   r   c                  C   s.   t t j} |  s t| S t| d S )zGet a file to pass to a Python executable, to run the currently-running pip.

    This is used to run a pip subprocess, for installing requirements into the build
    environment.
    z__pip-runner__.py)	pathlibPathpip_locationresolveparentis_dirr0   osfsdecode)sourcer   r   r   get_runnable_pip,   s    r;   c                  C   s.   t tdrt } nt t g} dd | D S )zGet system site packages

    Usually from site.getsitepackages,
    but fallback on `get_purelib()/get_platlib()` if unavailable
    (e.g. in a virtualenv created by virtualenv<20)

    Returns normalized set of strings.
    getsitepackagesc                 S   s   h | ]}t j|qS r   )r8   r"   normcase).0r"   r   r   r   	<setcomp>M       z+_get_system_sitepackages.<locals>.<setcomp>)hasattrsiter<   r   r   )system_sitesr   r   r   _get_system_sitepackages<   s    	

rD   c                   @   s   e Zd ZdZddddZddddZeee  ee ee	 ddd	d
Z
ee eeeeef  ee f dddZdee eeddddZeedee eeddddZdS )BuildEnvironmentzACreates and manages an isolated environment to install build depsNr1   c                    s   t tjdd t fdddD | _g | _g | _tt| j	 D ] }| j
|j | j|j qDt }tj jd| _tj| jst| j ttj| jddd	d
,}|tdj|| jd W d    n1 s0    Y  d S )NT)kindZglobally_managedc                 3   s&   | ]}|t tj j|fV  qd S r   )r!   r8   r"   joinr>   nameZtemp_dirr   r   	<genexpr>V   s   z,BuildEnvironment.__init__.<locals>.<genexpr>)ZnormalZoverlayrB   zsitecustomize.pywzutf-8)encodinga  
                import os, site, sys

                # First, drop system-sites related paths.
                original_sys_path = sys.path[:]
                known_paths = set()
                for path in {system_sites!r}:
                    site.addsitedir(path, known_paths=known_paths)
                system_paths = set(
                    os.path.normcase(path)
                    for path in sys.path[len(original_sys_path):]
                )
                original_sys_path = [
                    path for path in original_sys_path
                    if os.path.normcase(path) not in system_paths
                ]
                sys.path = original_sys_path

                # Second, add lib directories.
                # ensuring .pth file are processed.
                for path in {lib_dirs!r}:
                    assert not path in sys.path
                    site.addsitedir(path)
                )rC   r*   )r   r   Z	BUILD_ENVr   	_prefixes	_bin_dirs	_lib_dirsreversedlistvaluesappendr'   extendr*   rD   r8   r"   rG   	_site_direxistsmkdiropenwritetextwrapdedentformat)r+   r$   rC   fpr   rJ   r   r,   S   s0    
zBuildEnvironment.__init__c                 C   sn   dd dD | _ | jd d  }| j d }|r>||tj | jg}tjtj	|dtj	|d d S )Nc                 S   s   i | ]}|t j|d qS r   )r8   environgetrH   r   r   r   
<dictcomp>   s   z.BuildEnvironment.__enter__.<locals>.<dictcomp>)PATHZPYTHONNOUSERSITEZ
PYTHONPATHrb   1)
	_save_envrO   rU   splitr8   pathseprV   r_   updaterG   )r+   r"   Zold_pathZ
pythonpathr   r   r   	__enter__   s    


zBuildEnvironment.__enter__exc_typeexc_valexc_tbr   c                 C   s:   | j  D ]*\}}|d u r*tj|d  q
|tj|< q
d S r   )rd   itemsr8   r_   pop)r+   rj   rk   rl   Zvarname	old_valuer   r   r   __exit__   s    zBuildEnvironment.__exit__)reqsr   c           	      C   s   t  }t  }|rt| dr$t| jnt }|D ]}t|}|jdurV|jddisVq.||j	}|sr|
| q.t|jtr|j	 d|j }n|j	 d|j }|jj|jdds.|
||f q.||fS )	zReturn 2 sets:
        - conflicting requirements: set of (installed, wanted) reqs tuples
        - missing requirements: set of reqs
        rP   Nextrar#   z==z===T)Zprereleases)setrA   r   rP   r   r   ZmarkerZevaluateZget_distributionrI   add
isinstanceversionr   Z	specifiercontains)	r+   rq   missingZconflictingenvZreq_strZreqdistZinstalled_req_strr   r   r   check_requirements   s*    
z#BuildEnvironment.check_requirementsr   finderrequirementsprefix_as_stringrF   r   c                C   s<   | j | }|jrJ d|_|s"d S | jt ||||d d S )NT)rF   )rN   r%   _install_requirementsr;   )r+   r}   r~   r   rF   r$   r   r   r   install_requirements   s    

z%BuildEnvironment.install_requirements)pip_runnabler}   r~   r$   rF   r   c                C   sv  t j| dddd|jdg}t tjkr0|d dD ]:}t|j	|}|
d|d	d
 dt|pddhf q4|j}|r|
d|d g |dd  D ]}	|
d|	g qn
|d |jD ]}
|
d|
g q|jD ]}|
d|g q|jr|d |jr|d |d |
| dt i}td| &}t|d| ||d W d    n1 sh0    Y  d S )Ninstallz--ignore-installedz	--no-userz--prefixz--no-warn-script-locationz-v)Z	no_binaryZonly_binaryz--_-,z:none:z-ir      z--extra-index-urlz
--no-indexz--find-linksz--trusted-hostz--prez--prefer-binaryZ_PIP_STANDALONE_CERTzInstalling zpip subprocess to install )Zcommand_descspinnerextra_environ)sys
executabler"   loggergetEffectiveLevelloggingDEBUGrT   getattrformat_controlrU   replacerG   sorted
index_urlsZ
find_linksZtrusted_hostsZallow_all_prereleasesZprefer_binaryr   r   r   )r   r}   r~   r$   rF   argsr   Zformatsr   Zextra_indexlinkZhostr   r   r   r   r   r      sT    










z&BuildEnvironment._install_requirements)r-   r.   r/   __doc__r,   rh   r   r
   BaseExceptionr   rp   r   r0   r	   r   r{   r   staticmethodr!   r   r   r   r   r   rE   P   s2   6
$rE   c                   @   sx   e Zd ZdZddddZddddZeee  ee ee	 ddd	d
Z
ddddZdee eeddddZdS )NoOpBuildEnvironmentz0A no-op drop-in replacement for BuildEnvironmentNr1   c                 C   s   d S r   r   r+   r   r   r   r,     s    zNoOpBuildEnvironment.__init__c                 C   s   d S r   r   r   r   r   r   rh   !  s    zNoOpBuildEnvironment.__enter__ri   c                 C   s   d S r   r   )r+   rj   rk   rl   r   r   r   rp   $  s    zNoOpBuildEnvironment.__exit__c                 C   s   d S r   r   r   r   r   r   cleanup,  s    zNoOpBuildEnvironment.cleanupr   r|   c                C   s
   t  d S r   )NotImplementedError)r+   r}   r~   r   rF   r   r   r   r   /  s    z)NoOpBuildEnvironment.install_requirements)r-   r.   r/   r   r,   rh   r   r
   r   r   rp   r   r   r0   r   r   r   r   r   r     s   
r   )7r   r   r8   r2   rB   r   r[   collectionsr   typesr   typingr   r   r   r   r   r	   r
   r   Zpip._vendor.certifir   Z"pip._vendor.packaging.requirementsr   Zpip._vendor.packaging.versionr   pipr   r4   Zpip._internal.cli.spinnersr   Zpip._internal.locationsr   r   r   pip._internal.metadatar   r   Zpip._internal.utils.subprocessr   Zpip._internal.utils.temp_dirr   r   Z"pip._internal.index.package_finderr   	getLoggerr-   r   r0   r    r!   r;   rD   rE   r   r   r   r   r   <module>   s8   (
&	 L