a
    &(a                  	   @   s\  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m	Z	 d dl
mZmZ d dlmZ ddlmZmZ eeZee ZeeddZedd	d
ZedddZedddZedddZg dZ e!ddure "d d eeej#e ej#e eej#e edddZ$edddZ%edddZ&edddZ'eej(eef dddZ)dS )!    N)InvalidSchemeCombinationUserInstallationInvalid)SCHEME_KEYSScheme)running_under_virtualenv   )get_major_minor_versionis_osx_frameworkZget_preferred_scheme)returnc                   C   s   dt v ot  ot S )a  Check for Apple's ``osx_framework_library`` scheme.

    Python distributed by Apple's Command Line Tools has this special scheme
    that's used when:

    * This is a framework build.
    * We are installing into the system prefix.

    This does not account for ``pip install --prefix`` (also means we're not
    installing to the system prefix), which should use ``posix_prefix``, but
    logic here means ``_infer_prefix()`` outputs ``osx_framework_library``. But
    since ``prefix`` is not available for ``sysconfig.get_default_scheme()``,
    which is the stdlib replacement for ``_infer_prefix()``, presumably Apple
    wouldn't be able to magically switch between ``osx_framework_library`` and
    ``posix_prefix``. ``_infer_prefix()`` returning ``osx_framework_library``
    means its behavior is consistent whether we use the stdlib implementation
    or our own, and we deal with this special case in ``get_scheme()`` instead.
    osx_framework_library)_AVAILABLE_SCHEMESr   r	    r   r   z/private/var/folders/m4/wm8f9dms7t78045sws6ggdl80000gn/T/pip-unpacked-wheel-vn48x2xj/pip/_internal/locations/_sysconfig.py _should_use_osx_framework_prefix   s
    r   c                  C   sv   t rt dS t rdS tjj dtj } | tv r6| S tjjtv rJtjjS tj d}|tv rb|S tjtv rrtjS dS )a!  Try to find a prefix scheme for the current platform.

    This tries:

    * A special ``osx_framework_library`` for Python distributed by Apple's
      Command Line Tools, when not running in a virtual environment.
    * Implementation + OS, used by PyPy on Windows (``pypy_nt``).
    * Implementation without OS, used by PyPy on POSIX (``pypy``).
    * OS + "prefix", used by CPython on POSIX (``posix_prefix``).
    * Just the OS name, used by CPython on Windows (``nt``).

    If none of the above works, fall back to ``posix_prefix``.
    prefixr   __prefixposix_prefix)_PREFERRED_SCHEME_APIr   sysimplementationnameosr   )Zimplementation_suffixedsuffixedr   r   r   _infer_prefix8   s    
r   c                  C   sH   t rt dS t rt sd} ntj d} | tv r6| S dtvrDt dS )z3Try to find a user scheme for the current platform.userosx_framework_user_user
posix_user)r   r	   r   r   r   r   r   r   r   r   r   _infer_userW   s    r    c                  C   s(   t rt dS tj d} | tv r$| S dS )z,Try to find a home for the current platform.home_home
posix_home)r   r   r   r   r   r   r   r   _infer_homef   s    r$   )installed_basebaseinstalled_platbaseplatbaser   exec_prefixuserbaseF)	dist_namer   r!   rootisolatedr   r
   c                    sb  |rrt dd r$r$t dd dur4t }n|r@t }nt }durZ|dkrZd} durv fddtD }n durfd	dtD }ni }tj||d
}t r|r|dt	j
}	n|dt	j
}	dt  }
tj|	dd|
|d< n| sd} t|d |d tj|d | |d |d d}|dur^tD ]&}tj|t||}t||| q6|S )a\  
    Get the "scheme" corresponding to the input parameters.

    :param dist_name: the name of the package to retrieve the scheme for, used
        in the headers scheme path
    :param user: indicates to use the "user" scheme
    :param home: indicates to use the "home" scheme
    :param root: root under which other directories are re-based
    :param isolated: ignored, but kept for distutils compatibility (where
        this controls whether the user-site pydistutils.cfg is honored)
    :param prefix: indicates to use the "prefix" scheme and provides the
        base directory for the same
    z--userz--prefixz--homeNr   r   c                    s   i | ]
}| qS r   r   .0k)r!   r   r   
<dictcomp>       zget_scheme.<locals>.<dictcomp>c                    s   i | ]
}| qS r   r   r.   )r   r   r   r1      r2   )schemevarsr*   r&   pythonincludesiteUNKNOWNplatlibpurelibscriptsdata)r9   r:   headersr;   r<   )r   r$   r    r   
_HOME_KEYS	sysconfig	get_pathsr   getr   r   r   r   pathjoinr   r   	distutilsutilchange_rootgetattrsetattr)r+   r   r!   r,   r-   r   Zscheme_name	variablespathsr&   Z	python_xyr3   keyvaluer   )r!   r   r   
get_scheme}   sJ    


rM   c                   C   s4   t jd d dkr(t jd d dkr(dS t d S )N   darwin   z/System/Library/z/usr/local/binr;   )r   platformr   r?   r@   r   r   r   r   get_bin_prefix   s    $rR   c                   C   s   t  d S )Nr:   r?   r@   r   r   r   r   get_purelib   s    rT   c                   C   s   t  d S )Nr9   rS   r   r   r   r   get_platlib   s    rU   )r   r
   c                 C   s"   t j| | dd}|d |d fS )N)r&   r(   )r4   r:   r9   rS   )r   rJ   r   r   r   get_prefixed_libs   s    rV   )FNNFN)*distutils.utilrD   loggingr   r   r?   typingpip._internal.exceptionsr   r   pip._internal.models.schemer   r   pip._internal.utils.virtualenvr   r&   r   r	   	getLogger__name__loggersetget_scheme_namesr   rG   r   boolr   strr   r    r$   r>   get_config_varappendOptionalrM   rR   rT   rU   TuplerV   r   r   r   r   <module>   sJ   

     M