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Good: 1.2 # equivalent to "1.2.0" 1.2.0 1.2a1 1.2.3a2 1.2.3b1 1.2.3c1 1.2.3.4 TODO: fill this out Bad: 1 # minimum two numbers 1.2a # release level must have a release serial 1.2.3b c C s< t |�}t�|�}|�� }tdd� |d �d�D ��| _|S )Nc s s | ]}t |�V qd S r) rb rd r r r rf s z*NormalizedVersion.parse.<locals>.<genexpr>r rg )�_normalized_keyrt r_ ru r rv �_release_clause)r r r` rx ru r r r r s zNormalizedVersion.parserp �br@ �rcrz c s t � fdd�� jD ��S )Nc 3 s | ]}|r|d � j kV qdS )r N)� PREREL_TAGS)re �tr4 r r rf s z2NormalizedVersion.is_prerelease.<locals>.<genexpr>)�anyr r4 r r4 r r; s z NormalizedVersion.is_prereleaseN) r r r r r �setr� r< r; r r r r r � s c C s> t | �} t |�}| |kr dS | �|�s*dS t|�}| | dkS )NTFrg )�str� startswithr )�x�y�nr r r � _match_prefix s r� c @ sn e Zd ZeZddddddddd �Zd d � Zd d � Zdd� Zdd� Z dd� Z dd� Z dd� Z dd� Z dd� Zd S ) r �_match_compatible� _match_lt� _match_gt� _match_le� _match_ge� _match_eq�_match_arbitrary� _match_ne)rJ rD rE rF rG rH rI rK c C sV |rd|ko|j d }n|j d o,|j d }|rN|j�dd�d }| �|�}||fS )N�+rh r r )r r rv rM )r rZ r\ rV Z strip_localr r r r � _adjust_local6 s z NormalizedMatcher._adjust_localc C sD | � |||�\}}||kr dS |j}d�dd� |D ��}t||� S )NFrg c S s g | ] }t |��qS r �r� �re �ir r r � <listcomp>I s z/NormalizedMatcher._match_lt.<locals>.<listcomp>�r� r~ �joinr� �r rZ r\ rV Zrelease_clauseZpfxr r r r� D s zNormalizedMatcher._match_ltc C sD | � |||�\}}||kr dS |j}d�dd� |D ��}t||� S )NFrg c S s g | ] }t |��qS r r� r� r r r r� Q s z/NormalizedMatcher._match_gt.<locals>.<listcomp>r� r� r r r r� L s zNormalizedMatcher._match_gtc C s | � |||�\}}||kS r) �r� �r rZ r\ rV r r r r� T s zNormalizedMatcher._match_lec C s | � |||�\}}||kS r) r� r� r r r r� X s zNormalizedMatcher._match_gec C s. | � |||�\}}|s ||k}n t||�}|S r) �r� r� �r rZ r\ rV r` r r r r� \ s zNormalizedMatcher._match_eqc C s t |�t |�kS r) r� r� r r r r� d s z"NormalizedMatcher._match_arbitraryc C s0 | � |||�\}}|s ||k}n t||� }|S r) r� r� r r r r� g s zNormalizedMatcher._match_nec C sf | � |||�\}}||kr dS ||k r*dS |j}t|�dkrH|d d� }d�dd� |D ��}t||�S )NTFr rh rg c S s g | ] }t |��qS r r� r� r r r r� z s z7NormalizedMatcher._match_compatible.<locals>.<listcomp>)r� r~ r r� r� r� r r r r� o s z#NormalizedMatcher._match_compatibleN)r r r r rM rW r� r� r� r� r� r� r� r� r� r r r r r ' s& � z[.+-]$� z^[.](\d)z0.\1z^[.-]z ^\((.*)\)$�\1z^v(ersion)?\s*(\d+)z\2z^r(ev)?\s*(\d+)z[.]{2,}rg z\b(alfa|apha)\b�alphaz\b(pre-alpha|prealpha)\bz pre.alphaz \(beta\)$�betaz ^[:~._+-]+z [,*")([\]]z[~:+_ -]z\.$z (\d+(\.\d+)*)c C sL | � � �� }tD ]\}}|�||�}q|s.d}t�|�}|sFd}|}n�|�� d �d�}dd� |D �}t|�dk r~|� d� qft|�dkr�||� � d� }n8d� dd� |dd� D ��||� � d� }|dd� }d� d d� |D ��}|� � }|�rt D ]\}}|�||�}q�|�s |}n d |k�r*d nd }|| | }t |��sHd}|S ) z� Try to suggest a semantic form for a version for which _suggest_normalized_version couldn't come up with anything. z0.0.0r rg c S s g | ] }t |��qS r rb r� r r r r� � s z-_suggest_semantic_version.<locals>.<listcomp>� Nc S s g | ] }t |��qS r r� r� r r r r� � s c S s g | ] }t |��qS r r� r� r r r r� � s rz �-r� )r rP � _REPLACEMENTS�sub�_NUMERIC_PREFIXr_ ru rv r rS �endr� �_SUFFIX_REPLACEMENTS� is_semver)r r` Zpat�replrx rV �suffix�sepr r r �_suggest_semantic_version� s: , r� c C sh zt | � | W S tk r" Y nX | �� }dD ]\}}|�||�}q0t�dd|�}t�dd|�}t�dd|�}t�dd |�}t�d d |�}|�d �r�|d d� }t�dd |�}t�dd|�}t�dd|�}t�dd|�}t�dd|�}t�dd|�}t�dd|�}t�dd|�}t�d d|�}t�d d |�}t�d d |�}z t |� W n tk �rb d}Y nX |S )!a� Suggest a normalized version close to the given version string. If you have a version string that isn't rational (i.e. NormalizedVersion doesn't like it) then you might be able to get an equivalent (or close) rational version from this function. This does a number of simple normalizations to the given string, based on observation of versions currently in use on PyPI. Given a dump of those version during PyCon 2009, 4287 of them: - 2312 (53.93%) match NormalizedVersion without change with the automatic suggestion - 3474 (81.04%) match when using this suggestion method @param s {str} An irrational version string. @returns A rational version string, or None, if couldn't determine one. ))z-alpharp )z-betar )r� rp )r� r )r� r@ )z-finalr� )z-prer@ )z-releaser� )z.releaser� )z-stabler� )r� rg )rr rg )� r� )z.finalr� )rs r� zpre$Zpre0zdev$Zdev0z([abc]|rc)[\-\.](\d+)$z\1\2z[\-\.](dev)[\-\.]?r?(\d+)$z.\1\2z[.~]?([abc])\.?r� r? r Nz\b0+(\d+)(?!\d)z (\d+[abc])$z\g<1>0z\.?(dev-r|dev\.r)\.?(\d+)$z.dev\2z-(a|b|c)(\d+)$z[\.\-](dev|devel)$z.dev0z(?![\.\-])dev$z(final|stable)$r� z\.?(r|-|-r)\.?(\d+)$z.post\2z\.?(dev|git|bzr)\.?(\d+)$z\.?(pre|preview|-c)(\d+)$zc\g<2>zp(\d+)$z.post\1)r} r rP �replace�rer� r� )r ZrsZorigr� r r r �_suggest_normalized_version� s> r� z([a-z]+|\d+|[\.-])r@ zfinal-�@)ry Zpreviewr� r� rz r� rg c C sr dd� }g }|| �D ]T}|� d�r^|dk rD|rD|d dkrD|�� q*|r^|d dkr^|�� qD|�|� qt|�S )Nc S st g }t �| �� �D ]R}t�||�}|rd|d d� krBdkrRn n |�d�}nd| }|�|� q|�d� |S )N�0r �9� �*�*final)� _VERSION_PARTrv rP �_VERSION_REPLACErX �zfillrS )r r` rA r r r � get_partsC s z _legacy_key.<locals>.get_partsr� r� rh z*final-Z00000000)r� �poprS r )r r� r` rA r r r � _legacy_keyB s r� c @ s e Zd Zdd� Zedd� �ZdS )r c C s t |�S r) )r� r# r r r r ] s zLegacyVersion.parsec C s8 d}| j D ](}t|t�r |�d�r |dk r d} q4q |S )NFr� r� T)r r r r� )r r` r� r r r r; ` s �zLegacyVersion.is_prereleaseN�r r r r r< r; r r r r r \ s c @ s4 e Zd ZeZeej�Zded< e� d�Z dd� Z dS )r r� rJ z^(\d+(\.\d+)*)c C s` ||k r dS | j �t|��}|s2t�d||� dS |�� d }d|krV|�dd�d }t||�S )NFzACannot compute compatible match for version %s and constraint %sTr rg r )� numeric_rer_ r� �loggerZwarningru �rsplitr� )r rZ r\ rV rx r r r r r� s s � z LegacyMatcher._match_compatibleN) r r r r rM �dictr= rW r� �compiler� r� r r r r r k s zN^(\d+)\.(\d+)\.(\d+)(-[a-z0-9]+(\.[a-z0-9-]+)*)?(\+[a-z0-9]+(\.[a-z0-9-]+)*)?$c C s t �| �S r) )� _SEMVER_REr_ )r r r r r� � s r� c C sn dd� }t | �}|s t| ��|�� }dd� |d d� D �\}}}||d d�||d d� }}|||f||fS ) Nc S s8 | d kr|f}n$| dd � � d�}tdd� |D ��}|S )Nr rg c S s" g | ]}|� � r|�d �n|�qS )r� )rw r� )re rA r r r r� � s z5_semantic_key.<locals>.make_tuple.<locals>.<listcomp>)rv r )r Zabsentr` r r r r � make_tuple� s z!_semantic_key.<locals>.make_tuplec S s g | ] }t |��qS r rb r� r r r r� � s z!_semantic_key.<locals>.<listcomp>r� �|� r� )r� r ru ) r r� rx ru �major�minorZpatchry Zbuildr r r � _semantic_key� s r� c @ s e Zd Zdd� Zedd� �ZdS )r c C s t |�S r) )r� r# r r r r � s zSemanticVersion.parsec C s | j d d dkS )Nr r r� )r r4 r r r r; � s z SemanticVersion.is_prereleaseNr� r r r r r � s c @ s e Zd ZeZdS )r N)r r r r rM r r r r r � s c @ s6 e Zd Zd dd�Zdd� Zdd� Zdd � Zd d � ZdS ) � VersionSchemeNc C s || _ || _|| _d S r) )rQ �matcher� suggester)r rQ r� r� r r r r � s zVersionScheme.__init__c C s2 z| j �|� d}W n tk r, d}Y nX |S �NTF)r� rM r �r r r` r r r �is_valid_version� s z VersionScheme.is_valid_versionc C s0 z| � |� d}W n tk r* d}Y nX |S r� )r� r r� r r r �is_valid_matcher� s z VersionScheme.is_valid_matcherc C s | � d| �S )z: Used for processing some metadata fields zdummy_name (%s))r� r# r r r �is_valid_constraint_list� s z&VersionScheme.is_valid_constraint_listc C s | j d krd }n | � |�}|S r) )r� r� r r r �suggest� s zVersionScheme.suggest)N)r r r r r� r� r� r� r r r r r� � s r� c C s |S r) r r# r r r rB � rC rB )� normalized�legacyZsemanticr� �defaultc C s | t krtd| ��t | S )Nzunknown scheme name: %r)�_SCHEMESrN )rO r r r r � s )*r Zloggingr� �compatr �utilr �__all__Z getLoggerr r� rN r �objectr r= r� rt r| r} r r� r r� r� r� r� r� �Ir� r� r� r r r� r� r� r r r� r� r r r r r �<module> s� � 1d =$ W � � � .r� � $���
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