U
    3d?                  	   @   sb  d Z ddlZddlZddlZddlZddlmZmZmZm	Z	m
Z
mZmZ ddlmZmZmZmZ dddd	d
gZeeef Zeeeeef f Zeeeef Zeeeeeeeef eeef f df f Zeeeedf eeeef Zeeeedf f Zeeeef eeef gef ZedddddddgZeed dddZG dd	 d	e Z!G dd dZ"G dd de"Z#e$dej%Z&ddddddZ'eee dd d!Z(eedd"d#Z)d$Z*G d%d de"Z+eeee,e
f e	eeef  d&d'd(Z-e$d)Z.ee	e d*d+d,Z/eeedf e	eeef  e	eeef  e	eeef  e	ee  ed-d.d/Z0dS )0zPVendoered from
https://github.com/pypa/packaging/blob/main/packaging/version.py
    N)CallableIteratorListOptionalSupportsIntTupleUnion   )InfinityInfinityTypeNegativeInfinityNegativeInfinityTypeparseVersionLegacyVersionInvalidVersionVERSION_PATTERN._Versionepochreleasedevprepostlocal)r   r   versionreturnc                 C   s,   z
t | W S  tk
r&   t|  Y S X dS )a  Parse the given version from a string to an appropriate class.

    Parameters
    ----------
    version : str
        Version in a string format, eg. "0.9.1" or "1.2.dev0".

    Returns
    -------
    version : :class:`Version` object or a :class:`LegacyVersion` object
        Returned class depends on the given version: if is a valid
        PEP 440 version or a legacy version.
    N)r   r   r   )r    r   H/tmp/pip-unpacked-wheel-zrfo1fqw/sklearn/externals/_packaging/version.pyr   A   s    
c                   @   s   e Zd ZdZdS )r   zF
    An invalid version was found, users should refer to PEP 440.
    N)__name__
__module____qualname____doc__r   r   r   r   r   U   s   c                   @   s   e Zd ZU eeef ed< edddZd e	dddZ
d e	ddd	Zee	dd
dZd e	dddZd e	dddZee	dddZdS )_BaseVersion_keyr   c                 C   s
   t | jS N)hashr$   selfr   r   r   __hash__^   s    z_BaseVersion.__hash__)otherr   c                 C   s   t |tstS | j|jk S r&   
isinstancer#   NotImplementedr$   r)   r+   r   r   r   __lt__d   s    
z_BaseVersion.__lt__c                 C   s   t |tstS | j|jkS r&   r,   r/   r   r   r   __le__j   s    
z_BaseVersion.__le__c                 C   s   t |tstS | j|jkS r&   r,   r/   r   r   r   __eq__p   s    
z_BaseVersion.__eq__c                 C   s   t |tstS | j|jkS r&   r,   r/   r   r   r   __ge__v   s    
z_BaseVersion.__ge__c                 C   s   t |tstS | j|jkS r&   r,   r/   r   r   r   __gt__|   s    
z_BaseVersion.__gt__c                 C   s   t |tstS | j|jkS r&   r,   r/   r   r   r   __ne__   s    
z_BaseVersion.__ne__N)r   r    r!   r   CmpKeyLegacyCmpKey__annotations__intr*   boolr0   r1   objectr2   r3   r4   r5   r   r   r   r   r#   [   s   
r#   c                   @   s   e Zd ZeddddZedddZeddd	Zeedd
dZeedddZ	ee
dddZeddddZeddddZeddddZeddddZeddddZeedddZeedddZeedddZdS ) r   Nr   c                 C   s&   t || _t| j| _tdt d S )NzZCreating a LegacyVersion has been deprecated and will be removed in the next major release)str_version_legacy_cmpkeyr$   warningswarnDeprecationWarning)r)   r   r   r   r   __init__   s    
zLegacyVersion.__init__r%   c                 C   s   | j S r&   r=   r(   r   r   r   __str__   s    zLegacyVersion.__str__c                 C   s   d|  dS )Nz<LegacyVersion('')>r   r(   r   r   r   __repr__   s    zLegacyVersion.__repr__c                 C   s   | j S r&   rC   r(   r   r   r   public   s    zLegacyVersion.publicc                 C   s   | j S r&   rC   r(   r   r   r   base_version   s    zLegacyVersion.base_versionc                 C   s   dS )Nr   r(   r   r   r   r      s    zLegacyVersion.epochc                 C   s   d S r&   r   r(   r   r   r   r      s    zLegacyVersion.releasec                 C   s   d S r&   r   r(   r   r   r   r      s    zLegacyVersion.prec                 C   s   d S r&   r   r(   r   r   r   r      s    zLegacyVersion.postc                 C   s   d S r&   r   r(   r   r   r   r      s    zLegacyVersion.devc                 C   s   d S r&   r   r(   r   r   r   r      s    zLegacyVersion.localc                 C   s   dS NFr   r(   r   r   r   is_prerelease   s    zLegacyVersion.is_prereleasec                 C   s   dS rJ   r   r(   r   r   r   is_postrelease   s    zLegacyVersion.is_postreleasec                 C   s   dS rJ   r   r(   r   r   r   is_devrelease   s    zLegacyVersion.is_devrelease)r   r    r!   r<   rB   rD   rF   propertyrG   rH   r9   r   r   r   r   r   r   r:   rK   rL   rM   r   r   r   r   r      s2   
z(\d+ | [a-z]+ | \.| -)czfinal-@)r   preview-rcr   )sr   c                 c   s\   t | D ]F}t||}|r
|dkr(q
|d d dkrF|dV  q
d| V  q
dV  d S )N.r	   
0123456789   **final)_legacy_version_component_resplit_legacy_version_replacement_mapgetzfill)rT   partr   r   r   _parse_version_parts   s    r`   c                 C   sv   d}g }t |  D ]T}|dr^|dk rD|rD|d dkrD|  q*|r^|d dkr^|  qD|| q|t|fS )NrI   rX   rY   z*final-00000000)r`   lower
startswithpopappendtuple)r   r   partsr_   r   r   r   r>      s    


r>   a  
    v?
    (?:
        (?:(?P<epoch>[0-9]+)!)?                           # epoch
        (?P<release>[0-9]+(?:\.[0-9]+)*)                  # release segment
        (?P<pre>                                          # pre-release
            [-_\.]?
            (?P<pre_l>(a|b|c|rc|alpha|beta|pre|preview))
            [-_\.]?
            (?P<pre_n>[0-9]+)?
        )?
        (?P<post>                                         # post release
            (?:-(?P<post_n1>[0-9]+))
            |
            (?:
                [-_\.]?
                (?P<post_l>post|rev|r)
                [-_\.]?
                (?P<post_n2>[0-9]+)?
            )
        )?
        (?P<dev>                                          # dev release
            [-_\.]?
            (?P<dev_l>dev)
            [-_\.]?
            (?P<dev_n>[0-9]+)?
        )?
    )
    (?:\+(?P<local>[a-z0-9]+(?:[-_\.][a-z0-9]+)*))?       # local version
c                   @   sp  e Zd Zede d ejejB Ze	ddddZ
e	ddd	Ze	dd
dZeedddZeeedf dddZeeee	ef  dddZeee dddZeee dddZeee	 dddZee	dddZee	dddZeedddZeeddd Zeedd!d"Zeedd#d$Zeedd%d&Zeedd'd(ZdS ))r   z^\s*z\s*$Nr   c              
   C   s   | j |}|s td| dt|dr:t|dndtdd |ddD t|d	|d
t|d|dp|dt|d|dt	|dd| _
t| j
j| j
j| j
j| j
j| j
j| j
j| _d S )NzInvalid version: ''r   r   c                 s   s   | ]}t |V  qd S r&   )r9   .0ir   r   r   	<genexpr>.  s     z#Version.__init__.<locals>.<genexpr>r   rU   pre_lpre_npost_lpost_n1post_n2dev_ldev_nr   )r   r   r   r   r   r   )_regexsearchr   r   groupr9   rf   r[   _parse_letter_version_parse_local_versionr=   _cmpkeyr   r   r   r   r   r   r$   )r)   r   matchr   r   r   rB   $  s,     zVersion.__init__r%   c                 C   s   d|  dS )Nz
<Version('rE   r   r(   r   r   r   rF   A  s    zVersion.__repr__c                 C   s   g }| j dkr || j  d |ddd | jD  | jd k	rb|ddd | jD  | jd k	r~|d| j  | jd k	r|d	| j  | jd k	r|d
| j  d|S )Nr   !rU   c                 s   s   | ]}t |V  qd S r&   r<   rj   xr   r   r   rl   L  s     z"Version.__str__.<locals>.<genexpr> c                 s   s   | ]}t |V  qd S r&   r|   r}   r   r   r   rl   P  s     z.postz.dev+)r   re   joinr   r   r   r   r   r)   rg   r   r   r   rD   D  s    




zVersion.__str__c                 C   s   | j j}|S r&   )r=   r   )r)   _epochr   r   r   r   `  s    zVersion.epoch.c                 C   s   | j j}|S r&   )r=   r   )r)   _releaser   r   r   r   e  s    zVersion.releasec                 C   s   | j j}|S r&   )r=   r   )r)   _prer   r   r   r   j  s    zVersion.prec                 C   s   | j jr| j jd S d S Nr	   )r=   r   r(   r   r   r   r   o  s    zVersion.postc                 C   s   | j jr| j jd S d S r   )r=   r   r(   r   r   r   r   s  s    zVersion.devc                 C   s(   | j jr ddd | j jD S d S d S )NrU   c                 s   s   | ]}t |V  qd S r&   r|   r}   r   r   r   rl   z  s     z Version.local.<locals>.<genexpr>)r=   r   r   r(   r   r   r   r   w  s    zVersion.localc                 C   s   t | ddd S )Nr   r	   r   )r<   r[   r(   r   r   r   rG   ~  s    zVersion.publicc                 C   sF   g }| j dkr || j  d |ddd | jD  d|S )Nr   r{   rU   c                 s   s   | ]}t |V  qd S r&   r|   r}   r   r   r   rl     s     z'Version.base_version.<locals>.<genexpr>r   )r   re   r   r   r   r   r   r   rH     s
    
zVersion.base_versionc                 C   s   | j d k	p| jd k	S r&   )r   r   r(   r   r   r   rK     s    zVersion.is_prereleasec                 C   s
   | j d k	S r&   )r   r(   r   r   r   rL     s    zVersion.is_postreleasec                 C   s
   | j d k	S r&   )r   r(   r   r   r   rM     s    zVersion.is_devreleasec                 C   s   t | jdkr| jd S dS )Nr	   r   lenr   r(   r   r   r   major  s    zVersion.majorc                 C   s   t | jdkr| jd S dS )N   r	   r   r   r(   r   r   r   minor  s    zVersion.minorc                 C   s   t | jdkr| jd S dS )N   r   r   r   r(   r   r   r   micro  s    zVersion.micro) r   r    r!   recompiler   VERBOSE
IGNORECASErt   r<   rB   rF   rD   rN   r9   r   r   r   r   r   r   r   r   rG   rH   r:   rK   rL   rM   r   r   r   r   r   r   r   r      s@   )letternumberr   c                 C   sv   | rZ|d krd}|   } | dkr&d} n(| dkr4d} n| dkrBd} n| dkrNd	} | t|fS | sr|rrd	} | t|fS d S )
Nr   alphaabetab)rO   r   rQ   rS   )revrr   )rb   r9   )r   r   r   r   r   rw     s"    rw   z[\._-])r   r   c                 C   s$   | dk	r t dd t| D S dS )zR
    Takes a string like abc.1.twelve and turns it into ("abc", 1, "twelve").
    Nc                 s   s&   | ]}|  s| nt|V  qd S r&   )isdigitrb   r9   )rj   r_   r   r   r   rl     s   z'_parse_local_version.<locals>.<genexpr>)rf   _local_version_separatorsr[   )r   r   r   r   rx     s
    rx   )r   r   r   r   r   r   r   c                 C   s   t tttdd t|}|d kr>|d kr>|d k	r>t}n|d krLt}n|}|d kr^t}n|}|d krpt}	n|}	|d krt}
nt dd |D }
| ||||	|
fS )Nc                 S   s   | dkS )Nr   r   )r~   r   r   r   <lambda>      z_cmpkey.<locals>.<lambda>c                 s   s(   | ] }t |tr|d fnt|fV  qdS )r   N)r-   r9   r   ri   r   r   r   rl     s    z_cmpkey.<locals>.<genexpr>)rf   reversedlist	itertools	dropwhiler   r
   )r   r   r   r   r   r   r   r   _post_dev_localr   r   r   ry     s(    	ry   )1r"   collectionsr   r   r?   typingr   r   r   r   r   r   r   _structuresr
   r   r   r   __all__ZInfiniteTypesr<   r9   ZPrePostDevTypeZSubLocalTypeZ	LocalTyper6   r7   r:   ZVersionComparisonMethod
namedtupler   r   
ValueErrorr   r#   r   r   r   rZ   r\   r`   r>   r   r   bytesrw   r   rx   ry   r   r   r   r   <module>   s   $

 .>	  
 $


