File: //lib64/python3.6/distutils/__pycache__/versionpredicate.cpython-36.opt-1.pyc
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zBModule for parsing and testing package version predicate strings.
�    Nz'(?i)^\s*([a-z_]\w*(?:\.[a-z_]\w*)*)(.*)z^\s*\((.*)\)\s*$z%^\s*(<=|>=|<|>|!=|==)\s*([^\s,]+)\s*$c             C   s6   t j| �}|std|  ��|j� \}}|tjj|�fS )zVParse a single version comparison.
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    z"bad package restriction syntax: %r)�re_splitComparison�match�
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r   )�<z<=z==�>z>=z!=c               @   s(   e Zd ZdZdd� Zdd� Zdd� ZdS )	�VersionPredicatea�  Parse and test package version predicates.
    >>> v = VersionPredicate('pyepat.abc (>1.0, <3333.3a1, !=1555.1b3)')
    The `name` attribute provides the full dotted name that is given::
    >>> v.name
    'pyepat.abc'
    The str() of a `VersionPredicate` provides a normalized
    human-readable version of the expression::
    >>> print(v)
    pyepat.abc (> 1.0, < 3333.3a1, != 1555.1b3)
    The `satisfied_by()` method can be used to determine with a given
    version number is included in the set described by the version
    restrictions::
    >>> v.satisfied_by('1.1')
    True
    >>> v.satisfied_by('1.4')
    True
    >>> v.satisfied_by('1.0')
    False
    >>> v.satisfied_by('4444.4')
    False
    >>> v.satisfied_by('1555.1b3')
    False
    `VersionPredicate` is flexible in accepting extra whitespace::
    >>> v = VersionPredicate(' pat( ==  0.1  )  ')
    >>> v.name
    'pat'
    >>> v.satisfied_by('0.1')
    True
    >>> v.satisfied_by('0.2')
    False
    If any version numbers passed in do not conform to the
    restrictions of `StrictVersion`, a `ValueError` is raised::
    >>> v = VersionPredicate('p1.p2.p3.p4(>=1.0, <=1.3a1, !=1.2zb3)')
    Traceback (most recent call last):
      ...
    ValueError: invalid version number '1.2zb3'
    It the module or package name given does not conform to what's
    allowed as a legal module or package name, `ValueError` is
    raised::
    >>> v = VersionPredicate('foo-bar')
    Traceback (most recent call last):
      ...
    ValueError: expected parenthesized list: '-bar'
    >>> v = VersionPredicate('foo bar (12.21)')
    Traceback (most recent call last):
      ...
    ValueError: expected parenthesized list: 'bar (12.21)'
    c             C   s�   |j � }|std��tj|�}|s.td| ��|j� \| _}|j � }|r�tj|�}|sbtd| ��|j� d }dd� |jd�D �| _| js�td| ��ng | _d	S )
z*Parse a version predicate string.
        zempty package restrictionzbad package name in %rzexpected parenthesized list: %rr   c             S   s   g | ]}t |��qS r   )r   )�.0ZaPredr   r   r
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   �__str__{   s    zVersionPredicate.__str__c             C   s*   x$| j D ]\}}t| ||�sdS qW dS )z�True if version is compatible with all the predicates in self.
        The parameter version must be acceptable to the StrictVersion
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   r      s   ?r   c             C   sd   t dkrtjdtj�a | j� } t j| �}|s8td|  ��|jd�pDd}|rVtj	j
|�}|jd�|fS )a9  Return the name and optional version number of a provision.
    The version number, if given, will be returned as a `StrictVersion`
    instance, otherwise it will be `None`.
    >>> split_provision('mypkg')
    ('mypkg', None)
    >>> split_provision(' mypkg( 1.2 ) ')
    ('mypkg', StrictVersion ('1.2'))
    Nz=([a-zA-Z_]\w*(?:\.[a-zA-Z_]\w*)*)(?:\s*\(\s*([^)\s]+)\s*\))?$z"illegal provides specification: %r�   �   )�
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