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Parse the given version string and return either a :class:`Version` object
or a :class:`LegacyVersion` object depending on if the given version is
a valid PEP 440 version or a legacy version.
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t | j � S)N)�hash�_key)�selfr r r �__hash__, s z_BaseVersion.__hash__c C s | j | d d � � S)Nc S s
| | k S)Nr )�s�or r r �<lambda>0 s z%_BaseVersion.__lt__.<locals>.<lambda>)�_compare)r �otherr r r �__lt__/ s z_BaseVersion.__lt__c C s | j | d d � � S)Nc S s
| | k S)Nr )r r r r r r! 3 s z%_BaseVersion.__le__.<locals>.<lambda>)r" )r r# r r r �__le__2 s z_BaseVersion.__le__c C s | j | d d � � S)Nc S s
| | k S)Nr )r r r r r r! 6 s z%_BaseVersion.__eq__.<locals>.<lambda>)r" )r r# r r r �__eq__5 s z_BaseVersion.__eq__c C s | j | d d � � S)Nc S s
| | k S)Nr )r r r r r r! 9 s z%_BaseVersion.__ge__.<locals>.<lambda>)r" )r r# r r r �__ge__8 s z_BaseVersion.__ge__c C s | j | d d � � S)Nc S s
| | k S)Nr )r r r r r r! < s z%_BaseVersion.__gt__.<locals>.<lambda>)r" )r r# r r r �__gt__; s z_BaseVersion.__gt__c C s | j | d d � � S)Nc S s
| | k S)Nr )r r r r r r! ? s z%_BaseVersion.__ne__.<locals>.<lambda>)r" )r r# r r r �__ne__> s z_BaseVersion.__ne__c C s& t | t � s t S| | j | j � S)N)�
isinstancer �NotImplementedr )r r# �methodr r r r" A s z_BaseVersion._compareN) r r r r r$ r% r& r' r( r) r" r r r r r * s r c @ s� e Z d Z d d � Z d d � Z d d � Z e d d � � Z e d d
� � Z e d d � � Z e d
d � � Z
e d d � � Z d S)r c C s% t | � | _ t | j � | _ d S)N)�str�_version�_legacy_cmpkeyr )r r r r r �__init__J s zLegacyVersion.__init__c C s | j S)N)r. )r r r r �__str__N s zLegacyVersion.__str__c C s d j t t | � � � S)Nz<LegacyVersion({0})>)�format�reprr- )r r r r �__repr__Q s zLegacyVersion.__repr__c C s | j S)N)r. )r r r r �publicT s zLegacyVersion.publicc C s | j S)N)r. )r r r r � base_versionX s zLegacyVersion.base_versionc C s d S)Nr )r r r r r \ s zLegacyVersion.localc C s d S)NFr )r r r r �
is_prerelease` s zLegacyVersion.is_prereleasec C s d S)NFr )r r r r �is_postreleased s z LegacyVersion.is_postreleaseN) r r r r0 r1 r4 �propertyr5 r6 r r7 r8 r r r r r H s z(\d+ | [a-z]+ | \.| -)�c�preview�-zfinal-�rc�@c c s{ xo t j | � D]^ } t j | | � } | s | d k r> q | d d � d k re | j d � Vq d | Vq Wd Vd S)N�.r �
0123456789� �*z*final)� _legacy_version_component_re�split� _legacy_version_replacement_map�get�zfill)r �partr r r �_parse_version_partsr s
rI c C s� d } g } x� t | j � � D]| } | j d � r� | d k rg x$ | rf | d d k rf | j � qC Wx$ | r� | d d k r� | j � qj W| j | � q Wt | � } | | f S) Nr rB z*finalz*final-�00000000���rK rK )rI �lower�
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(?:
(?:(?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 @ s� e Z d Z e j d e d e j e j B� Z d d � Z d d � Z
d d � Z e d d
� � Z
e d d � � Z e d
d � � Z e d d � � Z e d d � � Z d S)r z^\s*z\s*$c C s[ | j j | � } | s- t d j | � � � t d | j d � rW t | j d � � n d d t d d � | j d � j d � D� � d t | j d � | j d
� � d t | j d � | j d
� p� | j d � � d t | j d � | j d � � d t
| j d � � � | _ t | j j
| j j | j j | j j | j j | j j � | _ d S)NzInvalid version: '{0}'r
r r c s s | ] } t | � Vq d S)N)�int)�.0�ir r r � <genexpr>� s z#Version.__init__.<locals>.<genexpr>r? r �pre_l�pre_nr �post_l�post_n1�post_n2r �dev_l�dev_nr )�_regex�searchr
r2 r �grouprR rP rD �_parse_letter_version�_parse_local_versionr. �_cmpkeyr
r r r r r r )r r �matchr r r r0 � s. *+ ! zVersion.__init__c C s d j t t | � � � S)Nz<Version({0})>)r2 r3 r- )r r r r r4 � s zVersion.__repr__c C sM g } | j j d k r4 | j d j | j j � � | j d j d d � | j j D� � � | j j d k r� | j d j d d � | j j D� � � | j j d k r� | j d j | j j d � � | j j d k r� | j d
j | j j d � � | j j d k r@| j d j d j d d � | j j D� � � � d j | � S)
Nr z{0}!r? c s s | ] } t | � Vq d S)N)r- )rS �xr r r rU � s z"Version.__str__.<locals>.<genexpr>� c s s | ] } t | � Vq d S)N)r- )rS rd r r r rU � s z.post{0}r z.dev{0}z+{0}c s s | ] } t | � Vq d S)N)r- )rS rd r r r rU s )
r. r
rO r2 �joinr r r r r )r rQ r r r r1 � s )) ,zVersion.__str__c C s t | � j d d � d S)N�+r r )r- rD )r r r r r5
s zVersion.publicc C sj g } | j j d k r4 | j d j | j j � � | j d j d d � | j j D� � � d j | � S)Nr z{0}!r? c s s | ] } t | � Vq d S)N)r- )rS rd r r r rU s z'Version.base_version.<locals>.<genexpr>re )r. r
rO r2 rf r )r rQ r r r r6 s
)zVersion.base_versionc C s0 t | � } d | k r, | j d d � d Sd S)Nrg r )r- rD )r �version_stringr r r r s z
Version.localc C s t | j j p | j j � S)N)�boolr. r r )r r r r r7 ! s zVersion.is_prereleasec C s t | j j � S)N)ri r. r )r r r r r8 % s zVersion.is_postreleaseN)r r r �re�compiler �VERBOSE�
IGNORECASEr] r0 r4 r1 r9 r5 r6 r r7 r8 r r r r r � s #
c C s� | r� | d k r d } | j � } | d k r9 d } n< | d k rN d } n' | d
k rc d } n | d k ru d } | t | � f S| r� | r� d } | t | � f Sd S)Nr �alpha�a�beta�br: r r; r= �rev�rr )r: r r; )rr rs )rL rR )�letter�numberr r r r` * s
r` z[\._-]c C s0 | d k r, t d d � t j | � D� � Sd S)zR
Takes a string like abc.1.twelve and turns it into ("abc", 1, "twelve").
Nc s s3 | ]) } | j � s! | j � n t | � Vq d S)N)�isdigitrL rR )rS rH r r r rU R s z'_parse_local_version.<locals>.<genexpr>)rP �_local_version_seperatorsrD )r r r r ra L s ra c C s� t t t t j d d � t | � � � � � } | d k r^ | d k r^ | d k r^ t } n | d k rp t } | d k r� t } | d k r� t } | d k r� t } n t d d � | D� � } | | | | | | f S)Nc S s
| d k S)Nr r )rd r r r r! ` s z_cmpkey.<locals>.<lambda>c s s7 | ]- } t | t � r$ | d f n
t | f Vq d S)re N)r* rR r )rS rT r r r rU � s z_cmpkey.<locals>.<genexpr>)rP �reversed�list� itertools� dropwhiler )r
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