B
    `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   Z/home/kop/projects/devel/pgwui/test_venv/lib/python3.7/site-packages/attr/_version_info.py_from_version_string%   s
    

z VersionInfo._from_version_stringc             C   sX   | j |j krt|}t|ts"tdt|  kr:dks@n 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   y|  |\}}W n tk
r&   tS X ||kS )N)r)   r&   NotImplemented)r'   r(   usthemr   r   r    __eq__E   s
    zVersionInfo.__eq__c             C   s0   y|  |\}}W n tk
r&   tS X ||k S )N)r)   r&   r*   )r'   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)   r-   r.   r   r   r   r    r   	   s   



r   N)
__future__r   r   r   	functoolsr   Z_funcsr   _maker   r	   objectr   r   r   r   r    <module>   s   