o
    `r                     @   sd   d dl mZmZmZ d dlmZ ddlmZ ddlm	Z	m
Z
 ee
dddddG d	d
 d
eZdS )    )absolute_importdivisionprint_function)total_ordering   )astuple)attribattrsFT)eqorderslotsfrozenc                   @   s\   e Zd ZdZeedZeedZeedZee	dZ
edd Zdd Zdd Zd	d
 ZdS )VersionInfoa  
    A version object that can be compared to tuple of length 1--4:

    >>> attr.VersionInfo(19, 1, 0, "final")  <= (19, 2)
    True
    >>> attr.VersionInfo(19, 1, 0, "final") < (19, 1, 1)
    True
    >>> vi = attr.VersionInfo(19, 2, 0, "final")
    >>> vi < (19, 1, 1)
    False
    >>> vi < (19,)
    False
    >>> vi == (19, 2,)
    True
    >>> vi == (19, 2, 1)
    False

    .. versionadded:: 19.2
    )typec                 C   sL   | d}t|dkr|d | t|d t|d t|d |d dS )z6
        Parse *s* and return a _VersionInfo.
        .   finalr   r      )yearminormicroreleaselevel)splitlenappendint)clssv r   4/usr/lib/python3/dist-packages/attr/_version_info.py_from_version_string%   s   

$z VersionInfo._from_version_stringc                 C   sZ   | j |j u r
t|}t|tstdt|  krdks!t tt| dt| |fS )z
        Ensure *other* is a tuple of a valid length.

        Returns a possibly transformed *other* and ourselves as a tuple of
        the same length as *other*.
        r      N)	__class__r   
isinstancetupleNotImplementedErrorr   )selfotherr   r   r    _ensure_tuple2   s   
zVersionInfo._ensure_tuplec                 C   s0   z|  |\}}W ||kS  ty   t Y S w Nr)   r&   NotImplementedr'   r(   usthemr   r   r    __eq__E   s   zVersionInfo.__eq__c                 C   s0   z|  |\}}W ||k S  ty   t Y S w r*   r+   r-   r   r   r    __lt__M   s   zVersionInfo.__lt__N)__name__
__module____qualname____doc__r   r   r   r   r   strr   classmethodr!   r)   r0   r1   r   r   r   r    r   	   s    




r   N)
__future__r   r   r   	functoolsr   _funcsr   _maker   r	   objectr   r   r   r   r    <module>   s    