a
    b3j                     @  s*  d Z ddlm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mZ ejrfddlmZmZ ejdkr~ddlmZ n4ejrddlmZ n ddlZddlZdd	d
ddZddddddddZg dZddddZeeeef df Zeeeef df Zeeeeeeef Zeeeeedf ef eeeedf eef f Zeeege f Z!G dd deddZ"dddddZ#ddd d!d"Z$G d#d$ d$e%Z&G d%d& d&Z'd'Z(e()d(d))d*d+Z*ej+j,d,krejd-k sej+j,d.krejd/k sejd0k re*ne(Z-e.d1ej/ej0B Z1e2d2Z3d	d3d4d5d6Z4d	d7d4d8d9Z5d	d:d4d;d<Z6d	d=d4d>d?Z7d	d@d4dAdBZ8d	dCd4dDdEZ9G dFdG dGe	Z:G dHd de'Z;G dIdJ dJe;Z<dKdLdMdNdOdPZ=e.dQZ>dKdCdRdSdTZ?ddUdVdWZ@dXZAdYZBdXZCeBddddUdfZDd3d7dMdMdMdCdZd[d\d]ZEdS )^zZ
.. testsetup::

    from packaging.version import parse, normalize_pre, Version, _cmpkey
    )annotationsN)AnyCallableLiteral
NamedTupleSupportsIntTuple	TypedDictUnion)SelfUnpack)      )
deprecatedstrobject)messagereturnc                   s   ddd fdd}|S )NzCallable[[...], object]r   )funcr   c                   s&   t  dddd fdd}|S )Nr   )argskwargsr   c                    s   t jtdd  | i |S )N   )category
stacklevel)warningswarnDeprecationWarning)r   r   )r   r    n/www/wwwroot/dpstar/app/297b3aabda72fedb274352021c2dd8b5_venv/lib/python3.9/site-packages/packaging/version.pywrapper'   s    z/_deprecated.<locals>.decorator.<locals>.wrapper)	functoolswraps)r   r   r   )r   r   	decorator&   s    z_deprecated.<locals>.decoratorr   )r   r#   r   r"   r   _deprecated%   s    r$   abrcpost)alphabetacprepreviewrevr)VERSION_PATTERNInvalidVersionVersionnormalize_preparsez	list[str]r   c                   C  s   t S N)__all__r   r   r   r   __dir__B   s    r8   .c                   @  s>   e Zd ZU ded< ded< ded< ded< ded< d	ed
< dS )_VersionReplace
int | Noneepochztuple[int, ...] | Nonereleasetuple[str, int] | Noner,   r(   dev
str | NonelocalN__name__
__module____qualname____annotations__r   r   r   r   r9   Q   s   
r9   F)total)letterr   c                C  s   |   } t| | S )a8  Normalize the pre-release segment of a version string.

    Returns a lowercase version of the string if not a known pre-release
    identifier.

    >>> normalize_pre('alpha')
    'a'
    >>> normalize_pre('BETA')
    'b'
    >>> normalize_pre('rc')
    'rc'

    :param letter:

    .. versionadded:: 26.1
    )lower_LETTER_NORMALIZATIONget)rG   r   r   r   r3   Z   s    r3   r2   versionr   c                 C  s   t | S )a  Parse the given version string.

    This is identical to the :class:`Version` constructor.

    >>> parse('1.0.dev1')
    <Version('1.0.dev1')>

    :param version: The version string to parse.
    :raises InvalidVersion: When the version string is not a valid version.
    )r2   )rL   r   r   r   r4   o   s    r4   c                   @  s   e Zd ZdZdS )r1   zRaised when a version string is not a valid version.

    >>> Version("invalid")
    Traceback (most recent call last):
        ...
    packaging.version.InvalidVersion: Invalid version: 'invalid'
    N)rB   rC   rD   __doc__r   r   r   r   r1   }   s   r1   c                   @  s   e Zd ZdZejr$eddddZddddZd d	d
ddZ	d d	d
ddZ
dd	d
ddZd d	d
ddZd d	d
ddZdd	d
ddZdS )_BaseVersionr   ztuple[Any, ...]r5   c                 C  s   d S r6   r   selfr   r   r   _key   s    z_BaseVersion._keyintc                 C  s
   t | jS r6   )hashrQ   rO   r   r   r   __hash__   s    z_BaseVersion.__hash__boolotherr   c                 C  s   t |tstS | j|jk S r6   
isinstancerN   NotImplementedrQ   rP   rW   r   r   r   __lt__   s    
z_BaseVersion.__lt__c                 C  s   t |tstS | j|jkS r6   rX   r[   r   r   r   __le__   s    
z_BaseVersion.__le__r   c                 C  s   t |tstS | j|jkS r6   rX   r[   r   r   r   __eq__   s    
z_BaseVersion.__eq__c                 C  s   t |tstS | j|jkS r6   rX   r[   r   r   r   __ge__   s    
z_BaseVersion.__ge__c                 C  s   t |tstS | j|jkS r6   rX   r[   r   r   r   __gt__   s    
z_BaseVersion.__gt__c                 C  s   t |tstS | j|jkS r6   rX   r[   r   r   r   __ne__   s    
z_BaseVersion.__ne__N)rB   rC   rD   	__slots__typingTYPE_CHECKINGpropertyrQ   rT   r\   r]   r^   r_   r`   ra   r   r   r   r   rN      s   rN   a3  
    v?+                                                   # optional leading v
    (?a:
        (?:(?P<epoch>[0-9]+)!)?+                          # epoch
        (?P<release>[0-9]+(?:\.[0-9]+)*+)                 # release segment
        (?P<pre>                                          # pre-release
            [._-]?+
            (?P<pre_l>alpha|a|beta|b|preview|pre|c|rc)
            [._-]?+
            (?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]+)?
        )?+
    )
    (?a:\+
        (?P<local>                                        # local version
            [a-z0-9]+
            (?:[._-][a-z0-9]+)*+
        )
    )?+
z*+*z?+?cpython)r         pypy)r   ri   r   )r   ri   z[a-z0-9]+(?:[._-][a-z0-9]+)*z.0123456789rR   valuer   c                C  s4   | pd}t |tr|dkr|S d| }t|d S )Nr   z(epoch must be non-negative integer, got rY   rR   r1   )rm   r;   msgr   r   r   _validate_epoch
  s
    
rp   tuple[int, ...]c                C  sR   | d u rdn| }t |tr<t|dkr<tdd |D r<|S d| }t|d S )N)r   r   c                 s  s    | ]}t |to|d kV  qdS )r   N)rY   rR   ).0ir   r   r   	<genexpr>      z$_validate_release.<locals>.<genexpr>z@release must be a non-empty tuple of non-negative integers, got )rY   tuplelenallr1   )rm   r<   ro   r   r   r   _validate_release  s    

ry   *tuple[Literal['a', 'b', 'rc'], int] | Nonec                C  sj   | d u r| S t | trTt| dkrT| \}}t|}|dv rTt |trT|dkrT||fS d|  }t|d S )Nr   >   r&   r'   r%   r   z=pre must be a tuple of ('a'|'b'|'rc', non-negative int), got )rY   rv   rw   r3   rR   r1   )rm   rG   numberro   r   r   r   _validate_pre  s    
r|   "tuple[Literal['post'], int] | Nonec                C  s<   | d u r| S t | tr&| dkr&d| fS d|  }t|d S )Nr   r(   z'post must be non-negative integer, got rn   rm   ro   r   r   r   _validate_post+  s    
r   !tuple[Literal['dev'], int] | Nonec                C  s<   | d u r| S t | tr&| dkr&d| fS d|  }t|d S )Nr   r>   z&dev must be non-negative integer, got rn   r~   r   r   r   _validate_dev4  s    
r   LocalType | Nonec                C  s>   | d u r| S t | tr(t| r(t| S d| }t|d S )Nz*local must be a valid version string, got )rY   r   _LOCAL_PATTERN	fullmatch_parse_local_versionr1   r~   r   r   r   _validate_local=  s    
r   c                   @  s>   e Zd ZU ded< ded< ded< ded< d	ed
< ded< dS )_VersionrR   r;   rq   r<   r   r>   rz   r,   r}   r(   r   r@   NrA   r   r   r   r   r   G  s   
r   c                
      s  e Zd ZU dZdZdZede d ej	ej
B Zded< ded< d	ed
< ded< ded< ded< ded< ded< dddddZedddddddddddddd d!d"Zd#dd$d%d&Zed'd(d)d*Zdd(d+d,Zd-d.d/ fd0d1Zd-d.d/ fd2d3Zd4d.d/ fd5d6Zd-d.d/ fd7d8Zd-d.d/ fd9d:Zd4d.d/ fd;d<Zd=d(d>d?Zd4dd@dAdBZeedCdDd(dEdFZejedCdDddGdHdFZdd(dIdJZdd(dKdLZ edd(dMdNZ!edd(dOdPZ"edd(dQdRZ#edd(dSdTZ$edd(dUdVZ%edd(dWdXZ&edd(dYdZZ'edd(d[d\Z(edd(d]d^Z)ed.d(d_d`Z*ed.d(dadbZ+ed.d(dcddZ,edd(dedfZ-edd(dgdhZ.edd(didjZ/  Z0S )kr2   a  This class abstracts handling of a project's versions.

    A :class:`Version` instance is comparison aware and can be compared and
    sorted using the standard Python interfaces.

    >>> v1 = Version("1.0a5")
    >>> v2 = Version("1.0")
    >>> v1
    <Version('1.0a5')>
    >>> v2
    <Version('1.0')>
    >>> v1 < v2
    True
    >>> v1 == v2
    False
    >>> v1 > v2
    False
    >>> v1 >= v2
    False
    >>> v1 <= v2
    True

    :class:`Version` is immutable; use :meth:`__replace__` to change
    part of a version.

    Instances are safe to serialize with :mod:`pickle`. They use a stable
    format so the same pickle can be loaded in future packaging releases.

    .. versionchanged:: 26.2

        Added a stable pickle format. Pickles created with packaging 26.2+ can
        be unpickled with future releases.  Backward compatibility with pickles
        from packaging < 26.2 is supported but may be removed in a future
        release.
    )_dev_epoch_hash_cache
_key_cache_local_post_pre_release)_strz\s*rR   r   rq   r   r   r   rz   r   r}   r   r   r   r:   r   zCmpKey | Noner   r   NonerK   c                 C  sR  t |rzttt|d| _W n2 tyV   d|dv rPtd|d Y n0 d| _	d| _
d| _d| _d| _d| _d| _dS | j|}|std||drt|dnd| _	ttt|dd| _t|d|d	| _
t|d
|dp|d| _t|d|d| _t|d| _d| _d| _dS )aC  Initialize a Version object.

        :param version:
            The string representation of a version which will be parsed and normalized
            before use.
        :raises InvalidVersion:
            If the ``version`` does not conform to PEP 440 in any way then this
            exception will be raised.
        . zInvalid version: Nr   r;   r<   pre_lpre_npost_lpost_n1post_n2dev_ldev_nr@   )_SIMPLE_VERSION_INDICATORS
issupersetrv   maprR   splitr   
ValueErrorr1   r   r   r   r   r   r   r   _regexr   group_parse_letter_versionr   )rP   rL   matchr   r   r   __init__  s8    

zVersion.__init__r   N)r;   r,   r(   r>   r@   r=   r?   r   r;   r<   r,   r(   r>   r@   r   c                C  s   t |}t|}|dur t|nd}	|dur4t|nd}
|durHt|nd}|dur\t|nd}| | }d|_d|_||_	||_
|	|_|
|_||_||_|S )a(  
        Return a new version composed of the various parts.

        This allows you to build a version without going though a string and
        running a regular expression. It normalizes pre-release strings. The
        ``release=`` keyword argument is required.

        >>> Version.from_parts(release=(1,2,3))
        <Version('1.2.3')>
        >>> Version.from_parts(release=(0,1,0), pre=("b", 1))
        <Version('0.1.0b1')>

        :param epoch:
        :param release: This version tuple is required

        .. versionadded:: 26.1
        N)rp   ry   r|   r   r   r   __new__r   r   r   r   r   r   r   r   )clsr;   r<   r,   r(   r>   r@   r   r   r   r   r   r   new_versionr   r   r   
from_parts  s     
zVersion.from_partszUnpack[_VersionReplace])r   r   c           	      K  s  d|v rt |d n| j}d|v r.t|d n| j}d|v rHt|d n| j}d|v rbt|d n| j}d|v r|t|d n| j	}d|v rt
|d n| j}|| jkr|| jkr|| jkr|| jkr|| j	kr|| jkr| S | j| j}d|_d|_||_||_||_||_||_	||_|S )a  
        __replace__(*, epoch=..., release=..., pre=..., post=..., dev=..., local=...)

        Return a new version with parts replaced.

        This returns a new version (unless no parts were changed). The
        pre-release is normalized. Setting a value to ``None`` clears it.

        >>> v = Version("1.2.3")
        >>> v.__replace__(pre=("a", 1))
        <Version('1.2.3a1')>

        :param int | None epoch:
        :param tuple[int, ...] | None release:
        :param tuple[str, int] | None pre:
        :param int | None post:
        :param int | None dev:
        :param str | None local:

        .. versionadded:: 26.0
        .. versionchanged:: 26.1

           The pre-release portion is now normalized.
        r;   r<   r,   r(   r>   r@   N)rp   r   ry   r   r|   r   r   r   r   r   r   r   	__class__r   r   r   )	rP   r   r;   r<   r,   r(   r>   r@   r   r   r   r   __replace__  s@    zVersion.__replace__CmpKeyr5   c                 C  s0   | j d u r*t| j| j| j| j| j| j| _ | j S r6   )r   _cmpkeyr   r   r   r   r   r   rO   r   r   r   rQ   /  s    
zVersion._keyc                 C  sV   | j  }d ur|S | j }d u rDt| j| j| j| j| j| j | _}t	| | _ }|S r6   )
r   r   r   r   r   r   r   r   r   rS   )rP   Zcached_hashkeyr   r   r   rT   >  s    
zVersion.__hash__rN   rU   rV   c                   s   t |trj| jd u r4t| j| j| j| j| j| j	| _|jd u r^t|j|j|j|j|j|j	|_| j|jk S t |t
sxtS t |S r6   )rY   r2   r   r   r   r   r   r   r   r   rN   rZ   superr\   r[   r   r   r   r\   P  s.    



zVersion.__lt__c                   s   t |trj| jd u r4t| j| j| j| j| j| j	| _|jd u r^t|j|j|j|j|j|j	|_| j|jkS t |t
sxtS t |S r6   )rY   r2   r   r   r   r   r   r   r   r   rN   rZ   r   r]   r[   r   r   r   r]   k  s.    



zVersion.__le__r   c                   s   t |trj| jd u r4t| j| j| j| j| j| j	| _|jd u r^t|j|j|j|j|j|j	|_| j|jkS t |t
sxtS t |S r6   )rY   r2   r   r   r   r   r   r   r   r   rN   rZ   r   r^   r[   r   r   r   r^     s.    



zVersion.__eq__c                   s   t |trj| jd u r4t| j| j| j| j| j| j	| _|jd u r^t|j|j|j|j|j|j	|_| j|jkS t |t
sxtS t |S r6   )rY   r2   r   r   r   r   r   r   r   r   rN   rZ   r   r_   r[   r   r   r   r_     s.    



zVersion.__ge__c                   s   t |trj| jd u r4t| j| j| j| j| j| j	| _|jd u r^t|j|j|j|j|j|j	|_| j|jkS t |t
sxtS t |S r6   )rY   r2   r   r   r   r   r   r   r   r   rN   rZ   r   r`   r[   r   r   r   r`     s.    



zVersion.__gt__c                   s   t |trj| jd u r4t| j| j| j| j| j| j	| _|jd u r^t|j|j|j|j|j|j	|_| j|jkS t |t
sxtS t |S r6   )rY   r2   r   r   r   r   r   r   r   r   rN   rZ   r   ra   r[   r   r   r   ra     s.    



zVersion.__ne__zutuple[int, tuple[int, ...], tuple[str, int] | None, tuple[str, int] | None, tuple[str, int] | None, LocalType | None]c                 C  s   | j | j| j| j| j| jfS r6   )r   r   r   r   r   r   rO   r   r   r   __getstate__  s    zVersion.__getstate__)stater   c                 C  s
  d | _ d | _t|trt|dkrB|\| _| _| _| _| _	| _
d S t|dkr|\}}t|tr|d | _|d | _|d| _|d| _|d| _	|d| _
d S t|tr|d	}|d ur|j| _|j| _|j| _|j| _|j| _	|j| _
d S td
|d S )N   r   r   r   r   r   r   r   _versionzCannot restore Version from )r   r   rY   rv   rw   r   r   r   r   r   r   dictrJ   r;   r<   r,   r(   r>   r@   	TypeError)rP   r   _Z	slot_dictZ
version_ntr   r   r   __setstate__  sD    
	




zVersion.__setstate__z4Version._version is private and will be removed soonr   c                 C  s   t | j| j| j| j| j| jS r6   )r   r   r   r   r   r   r   rO   r   r   r   r   5  s    zVersion._versionrl   c                 C  s@   |j | _|j| _|j| _|j| _|j| _	|j
| _d | _d | _d S r6   )r;   r   r<   r   r>   r   r,   r   r(   r   r@   r   r   r   )rP   rm   r   r   r   r   <  s    c                 C  s   d| j j dt| dS )zA representation of the Version that shows all internal state.

        >>> Version('1.0.0')
        <Version('1.0.0')>
        <(z)>)r   rB   r   rO   r   r   r   __repr__H  s    zVersion.__repr__c                 C  s   d tt| j}| jr(| j d| }| jdurH|d tt| j7 }| jdurb|d| j 7 }| jdur||d| j 7 }| jdur|d| j 7 }|S )z}A string representation of the version that can be round-tripped.

        >>> str(Version("1.0a5"))
        '1.0a5'
        r   !Nr   z.postz.dev+)	joinr   r   r<   r;   r,   r(   r>   r@   rP   rL   r   r   r   __str__P  s    



zVersion.__str__c                 C  s   t | S )z Internal property for match_argsr   rO   r   r   r   r   o  s    zVersion._strc                 C  s   | j S )zThe epoch of the version.

        >>> Version("2.0.0").epoch
        0
        >>> Version("1!2.0.0").epoch
        1
        )r   rO   r   r   r   r;   t  s    	zVersion.epochc                 C  s   | j S )ad  The components of the "release" segment of the version.

        >>> Version("1.2.3").release
        (1, 2, 3)
        >>> Version("2.0.0").release
        (2, 0, 0)
        >>> Version("1!2.0.0.post0").release
        (2, 0, 0)

        Includes trailing zeroes but not the epoch or any pre-release / development /
        post-release suffixes.
        )r   rO   r   r   r   r<     s    zVersion.releasec                 C  s   | j S )a  The pre-release segment of the version.

        >>> print(Version("1.2.3").pre)
        None
        >>> Version("1.2.3a1").pre
        ('a', 1)
        >>> Version("1.2.3b1").pre
        ('b', 1)
        >>> Version("1.2.3rc1").pre
        ('rc', 1)
        )r   rO   r   r   r   r,     s    zVersion.prec                 C  s   | j r| j d S dS )zThe post-release number of the version.

        >>> print(Version("1.2.3").post)
        None
        >>> Version("1.2.3.post1").post
        1
           N)r   rO   r   r   r   r(     s    	zVersion.postc                 C  s   | j r| j d S dS )zThe development number of the version.

        >>> print(Version("1.2.3").dev)
        None
        >>> Version("1.2.3.dev1").dev
        1
        r   N)r   rO   r   r   r   r>     s    	zVersion.devc                 C  s$   | j rddd | j D S dS dS )zThe local version segment of the version.

        >>> print(Version("1.2.3").local)
        None
        >>> Version("1.2.3+abc").local
        'abc'
        r   c                 s  s   | ]}t |V  qd S r6   r   )rr   xr   r   r   rt     ru   z Version.local.<locals>.<genexpr>N)r   r   rO   r   r   r   r@     s    	zVersion.localc                 C  s   t | ddd S )aq  The public portion of the version.

        This returns a string. If you want a :class:`Version` again and care
        about performance, use ``v.__replace__(local=None)`` instead.

        >>> Version("1.2.3").public
        '1.2.3'
        >>> Version("1.2.3+abc").public
        '1.2.3'
        >>> Version("1!1.2.3dev1+abc").public
        '1!1.2.3.dev1'
        r   r   r   )r   r   rO   r   r   r   public  s    zVersion.publicc                 C  s,   d tt| j}| jr(| j d| S |S )a  The "base version" of the version.

        This returns a string. If you want a :class:`Version` again and care
        about performance, use
        ``v.__replace__(pre=None, post=None, dev=None, local=None)`` instead.

        >>> Version("1.2.3").base_version
        '1.2.3'
        >>> Version("1.2.3+abc").base_version
        '1.2.3'
        >>> Version("1!1.2.3dev1+abc").base_version
        '1!1.2.3'

        The "base version" is the public version of the project without any pre or post
        release markers.
        r   r   )r   r   r   r<   r;   )rP   Zrelease_segmentr   r   r   base_version  s    zVersion.base_versionc                 C  s   | j dup| jduS )aT  Whether this version is a pre-release.

        >>> Version("1.2.3").is_prerelease
        False
        >>> Version("1.2.3a1").is_prerelease
        True
        >>> Version("1.2.3b1").is_prerelease
        True
        >>> Version("1.2.3rc1").is_prerelease
        True
        >>> Version("1.2.3dev1").is_prerelease
        True
        N)r>   r,   rO   r   r   r   is_prerelease  s    zVersion.is_prereleasec                 C  s
   | j duS )zWhether this version is a post-release.

        >>> Version("1.2.3").is_postrelease
        False
        >>> Version("1.2.3.post1").is_postrelease
        True
        N)r(   rO   r   r   r   is_postrelease  s    	zVersion.is_postreleasec                 C  s
   | j duS )zWhether this version is a development release.

        >>> Version("1.2.3").is_devrelease
        False
        >>> Version("1.2.3.dev1").is_devrelease
        True
        N)r>   rO   r   r   r   is_devrelease  s    	zVersion.is_devreleasec                 C  s   t | jdkr| jd S dS )zqThe first item of :attr:`release` or ``0`` if unavailable.

        >>> Version("1.2.3").major
        1
        r   r   rw   r<   rO   r   r   r   major  s    zVersion.majorc                 C  s   t | jdkr| jd S dS )zThe second item of :attr:`release` or ``0`` if unavailable.

        >>> Version("1.2.3").minor
        2
        >>> Version("1").minor
        0
        r   r   r   r   rO   r   r   r   minor  s    	zVersion.minorc                 C  s   t | jdkr| jd S dS )zThe third item of :attr:`release` or ``0`` if unavailable.

        >>> Version("1.2.3").micro
        3
        >>> Version("1").micro
        0
        r   r   r   r   rO   r   r   r   micro"  s    	zVersion.micro)1rB   rC   rD   rM   rb   Z__match_args__recompiler0   VERBOSE
IGNORECASEr   rE   r   classmethodr   r   re   rQ   rT   r\   r]   r^   r_   r`   ra   r   r   r$   r   setterr   r   r   r;   r<   r,   r(   r>   r@   r   r   r   r   r   r   r   r   __classcell__r   r   r   r   r2   P  s   
$
	2 .:-






c                      s>   e Zd ZdZddd fddZedd fd	d
Z  ZS )_TrimmedReleaser   zstr | Versionr   rK   c                   sV   t |trF|j| _|j| _|j| _|j| _|j| _|j| _|j| _d S t	 
| d S r6   )rY   r2   r   r   r   r   r   r   r   r   r   r   r   r   r   r   1  s    
z_TrimmedRelease.__init__rq   r5   c                   sN   t  j}t|}|}|dkr6||d  dkr6|d8 }q||krB|S |d| S )z
        Release segment without any trailing zeros.

        >>> _TrimmedRelease('1.0.0').release
        (1,)
        >>> _TrimmedRelease('0.0').release
        (0,)
        r   r   N)r   r<   rw   )rP   rellen_releasers   r   r   r   r<   =  s    
z_TrimmedRelease.release)rB   rC   rD   rb   r   re   r<   r   r   r   r   r   r   .  s   r   r?   z str | bytes | SupportsInt | Noner=   )rG   r{   r   c                 C  s<   | r(|   } t| | } | t|p"dfS |r8dt|fS d S )Nr   r(   )rH   rI   rJ   rR   )rG   r{   r   r   r   r   P  s    r   z[\._-])r@   r   c                 C  s$   | dur t dd t| D S dS )z`
    Takes a string like ``"abc.1.twelve"`` and turns it into
    ``("abc", 1, "twelve")``.
    Nc                 s  s&   | ]}|  s| nt|V  qd S r6   )isdigitrH   rR   )rr   partr   r   r   rt   q  s   z'_parse_local_version.<locals>.<genexpr>)rv   _local_version_separatorsr   )r@   r   r   r   r   k  s
    r   r   r   )r%   r&   r'   r   r   r   c                 C  sF  t |}|}|r*||d  dkr*|d8 }q||kr6|n
|d| }|du rl|du rl|du rl|du rl| |tfS |du r|du r|durtd }	}
n*|du rtd }	}
nt|d  |d  }	}
|du rdnd}|du rdn|d }|du rdnd}|du  rdn|d }|	|
||||f}|du r(| ||fS tdd |D }| |||fS )a  Build a comparison key for PEP 440 ordering.

    Returns ``(epoch, release, suffix)`` or
    ``(epoch, release, suffix, local)`` so that plain tuple
    comparison gives the correct order.

    Trailing zeros are stripped from the release so that ``1.0.0 == 1``.

    The suffix is a flat 6-int tuple that encodes pre/post/dev:
    ``(pre_rank, pre_n, post_rank, post_n, dev_rank, dev_n)``

    pre_rank: dev-only=-1, a=0, b=1, rc=2, no-pre=3
        Dev-only releases (no pre or post) get -1 so they sort before
        any alpha/beta/rc.  Releases without a pre-release tag get 3
        so they sort after rc.
    post_rank: no-post=0, post=1
        Releases without a post segment sort before those with one.
    dev_rank: dev=0, no-dev=1
        Releases without a dev segment sort after those with one.

    Local segments use ``(n, "")`` for ints and ``(-1, s)`` for strings,
    following PEP 440: strings sort before ints, strings compare
    lexicographically, ints compare numerically, and shorter segments
    sort before longer when prefixes match.  Versions without a local
    segment sort before those with one (3-tuple < 4-tuple).

    >>> _cmpkey(0, (1, 0, 0), None, None, None, None)
    (0, (1,), (3, 0, 0, 0, 1, 0))
    >>> _cmpkey(0, (1,), ("a", 1), None, None, None)
    (0, (1,), (0, 1, 0, 0, 1, 0))
    >>> _cmpkey(0, (1,), None, None, None, ("ubuntu", 1))
    (0, (1,), (3, 0, 0, 0, 1, 0), ((-1, 'ubuntu'), (1, '')))
    r   r   Nc                 s  s(   | ] }t |tr|d fnt|fV  qdS )r   N)rY   rR   _LOCAL_STR_RANK)rr   segr   r   r   rt     s   z_cmpkey.<locals>.<genexpr>)rw   _STABLE_SUFFIX_PRE_RANK_DEV_ONLY_PRE_RANK_STABLE	_PRE_RANKrv   )r;   r<   r,   r(   r>   r@   r   rs   ZtrimmedZpre_rankr   Z	post_rankZpost_nZdev_rankr   suffixZ	cmp_localr   r   r   r     s.    *
 


r   )FrM   
__future__r   r   sysrc   r   r   r   r   r   r   r	   r
   rd   Ztyping_extensionsr   r   version_infor   r   r$   r    rI   r7   r8   rR   r   	LocalTypeZCmpLocalTypeZ	CmpSuffixr   rU   VersionComparisonMethodr9   r3   r4   r   r1   rN   Z_VERSION_PATTERNreplaceZ_VERSION_PATTERN_OLDimplementationnamer0   r   r   ASCIIr   	frozensetr   rp   ry   r|   r   r   r   r   r2   r   r   r   r   r   r   r   r   r   r   r   r   r   r   <module>   s   (

	
:$

		
	     c"
