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o ;j� � @ s� d Z ddlZddlZddlZddlZddlmZ ddlmZm Z ddl m Z dgZ e�d�Zd d hZd d � Zd d� Zdd� ZG dd� de�Ze�d�Zdd� Ze� Z[e� Zddd�Zddd�ZdS )zG Parser for the environment markers micro-language defined in PEP 508. � N� )� string_types)�in_venv� parse_marker)� LegacyVersion� interpretz<((\d+(\.\d+)*\w*)|\'(\d+(\.\d+)*\w*)\'|\"(\d+(\.\d+)*\w*)\")�python_version�python_full_versionc C s t | t�o| tv S �N)� isinstancer �_VERSION_MARKERS��s� r �C/opt/saltstack/salt/lib/python3.10/site-packages/distlib/markers.py�_is_version_marker s r c C s t | t�r| s dS | d dv S )NFr �'")r r )�or r r � _is_literal" s r c C s dd� t �| �D �S )Nc S s h | ] }t |�� d ��qS )r )�LV�groups)�.0�mr r r � <setcomp>) s z _get_versions.<locals>.<setcomp>)�_VERSION_PATTERN�finditerr r r r � _get_versions( s r c @ sf e Zd ZdZdd� dd� dd� dd� dd� dd� d d� d d� d d� d d� d d� dd� d� Zdd� ZdS )� Evaluatorz< This class is used to evaluate marker expressions. c C � | |kS r r ��x�yr r r �<lambda>2 � zEvaluator.<lambda>c C r r r r r r r r" 3 r# c C � | |kp| |kS r r r r r r r" 4 � c C s | |kS r r r r r r r" 5 r# c C s | |k S r r r r r r r" 6 r# c C s | |kp| |k S r r r r r r r" 7 r% c C s | |kS r r r r r r r" 8 r# c C r$ r r r r r r r" 9 r% c C s | o|S r r r r r r r" : r# c C s | p|S r r r r r r r" ; r# c C s | |v S r r r r r r r" < r# c C s | |vS r r r r r r r" = r# ) �==�===�~=�!=�<�<=�>�>=�and�or�in�not inc C s" t |t�r#|d dv r|dd� }|S ||vr td| ��|| }|S t |t�s*J �|d }|| jvr9td| ��|d }|d }t|d �rVt|d �rVtd |||f ��| �||�}| �||�}t|�sjt|�rw|d v rwt |�}t |�}nt|�r�|d v r�t |�}t |�}| j| ||�}|S ) z� Evaluate a marker expression returned by the :func:`parse_requirement` function in the specified context. r r r ���zunknown variable: %s�opzop not implemented: %s�lhs�rhsz invalid comparison: %s %s %s)r* r+ r, r- r' r& r) r( )r0 r1 ) r r � SyntaxError�dict� operations�NotImplementedErrorr �evaluater r r ) �self�expr�context�resultr3 ZelhsZerhsr4 r5 r r r r: @ s6 � � zEvaluator.evaluateN)�__name__� __module__� __qualname__�__doc__r8 r: r r r r r , s � r z\d+\.\d+c C s� dd� } t td�r| tjj�}tjj}nd}d}t�� }t�|�}|� d�}||t jt� � t� � t� � t�� t�� tt� �||tjd� }|S )Nc S s< d| j | j| jf }| j}|dkr ||d t| j� 7 }|S )Nz%s.%s.%s�finalr )�major�minor�micro� releaselevel�str�serial)�info�version�kindr r r �format_full_versionh s z,default_context.<locals>.format_full_version�implementation�0� r ) �implementation_name�implementation_version�os_nameZplatform_machineZ platform_python_implementationZplatform_releaseZplatform_system�platform_versionZplatform_in_venvr r Z sys_platform)�hasattr�sysrN rK �name�platformr �_DIGITS�match�group�os�machine�python_implementation�release�systemrH r )rM rR rQ Zppvr �pvr> r r r �default_contextf s. �rb c C s" t t�}|r |�|� t�| |�S r )r7 �DEFAULT_CONTEXT�update� evaluatorr: )r< �execution_contextr= r r r �interpret_parsed� s rg c C sd zt | �\}}W n ty } ztd| |f ��d}~ww |r-|d dkr-td| |f ��t||�S )z� Interpret a marker and return a result depending on environment. :param marker: The marker to interpret. :type marker: str :param execution_context: The context used for name lookup. :type execution_context: mapping z)Unable to interpret marker syntax: %s: %sNr �#z*unexpected trailing data in marker: %s: %s)r � Exceptionr6 rg )�markerrf r< �rest�er r r r � s �� r ) rB r\ �rerV rX �compatr �utilr r rK r r �__all__�compiler r r r r �objectr rY rb rc re rg r r r r r �<module> s, 7$
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