o
    Ëý°jƒ  ã                   @   sº   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 e  e	¡Z
e d¡Zdefdd„Zdefdd„Zdefd	d
„Zdeee  fdd„Zdefdd„Zdefdd„Zdefdd„ZdS )é    N)ÚListÚOptionalz8include-system-site-packages\s*=\s*(?P<value>true|false)Úreturnc                   C   s   t jtt dt jƒkS )znChecks if sys.base_prefix and sys.prefix match.

    This handles PEP 405 compliant virtual environments.
    Úbase_prefix)ÚsysÚprefixÚgetattr© r	   r	   ú‘/root/aizidognhua/tmp/workspace/projects/ec89d86c-575f-41c9-af57-ac45cbdbf775/venv/lib/python3.10/site-packages/pip/_internal/utils/virtualenv.pyÚ_running_under_venv   s   r   c                   C   s
   t tdƒS )zmChecks if sys.real_prefix is set.

    This handles virtual environments created with pypa's virtualenv.
    Úreal_prefix)Úhasattrr   r	   r	   r	   r
   Ú!_running_under_regular_virtualenv   s   
r   c                   C   s   t ƒ ptƒ S )zBReturn True if we're running inside a virtualenv, False otherwise.)r   r   r	   r	   r	   r
   Úrunning_under_virtualenv   s   r   c                  C   sf   t j tjd¡} z t| dd��}| ¡  ¡ W  d  ƒ W S 1 s!w   Y  W dS  ty2   Y dS w )z…Reads {sys.prefix}/pyvenv.cfg and returns its contents as list of lines

    Returns None, if it could not read/access the file.
    z
pyvenv.cfgzutf-8)ÚencodingN)	ÚosÚpathÚjoinr   r   ÚopenÚreadÚ
splitlinesÚOSError)Úpyvenv_cfg_fileÚfr	   r	   r
   Ú_get_pyvenv_cfg_lines$   s   
(ÿÿr   c                  C   sP   t ƒ } | du rt d¡ dS | D ]}t |¡}|dur%| d¡dkr% dS qdS )aZ  Check `{sys.prefix}/pyvenv.cfg` for system site-packages inclusion

    PEP 405 specifies that when system site-packages are not supposed to be
    visible from a virtual environment, `pyvenv.cfg` must contain the following
    line:

        include-system-site-packages = false

    Additionally, log a warning if accessing the file fails.
    NzŽCould not access 'pyvenv.cfg' despite a virtual environment being active. Assuming global site-packages is not accessible in this environment.TÚvalueÚfalseF)r   ÚloggerÚwarningÚ#_INCLUDE_SYSTEM_SITE_PACKAGES_REGEXÚmatchÚgroup)Ú	cfg_linesÚliner    r	   r	   r
   Ú_no_global_under_venv3   s   ÿ
€r$   c                  C   s0   t j t j tj¡¡} t j | d¡}t j |¡S )zÅCheck if "no-global-site-packages.txt" exists beside site.py

    This mirrors logic in pypa/virtualenv for determining whether system
    site-packages are visible in the virtual environment.
    zno-global-site-packages.txt)r   r   ÚdirnameÚabspathÚsiteÚ__file__r   Úexists)Úsite_mod_dirÚno_global_site_packages_filer	   r	   r
   Ú#_no_global_under_regular_virtualenvP   s   þr,   c                   C   s   t ƒ rtƒ S tƒ rtƒ S dS )zHReturns a boolean, whether running in venv with no system site-packages.F)r   r$   r   r,   r	   r	   r	   r
   Úvirtualenv_no_global^   s
   r-   )Úloggingr   Úrer'   r   Útypingr   r   Ú	getLoggerÚ__name__r   Úcompiler   Úboolr   r   r   Ústrr   r$   r,   r-   r	   r	   r	   r
   Ú<module>   s"    
ÿ	