
Â�Â­Â�Â­Â�Â­Â�Â­Â�Â­Â�Â­Â�Â­Â�Â­Â�Â­Â�Â­Â�Â­Â�Â­Â�Â­Â�Â­Â�Â­Â�Â­Â�Â­Â�Â­
<!DOCTYPE html>
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3
Ävh8   ã            	   @   s@  d dl mZmZm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 d dlmZmZmZmZ d dlmZ ddlmZ ddlmZmZ d	d
dddgZG dd	„ d	eƒZG dd
„ d
eƒZG dd„ deƒZG dd„ deƒZG dd„ deƒZG dd„ deƒZ G dd„ deƒZ!edƒedƒB edƒB edƒB edƒB edƒB edƒB ed ƒB ed!ƒB ed"ƒB ed#ƒB ed$ƒB ed%ƒB ed&ƒB ed'ƒB ed(ƒB ed)ƒB ed*ƒB Z"d#d"ddddd+œZ#e"j$d,d-„ ƒ ed.ƒed/ƒB ed0ƒB ed1ƒB ed2ƒB ed3ƒB ed4ƒB ed5ƒB Z%e%ed6ƒB ed7ƒB Z&e&j$d8d-„ ƒ ed9ƒed:ƒB Z'e'j$d;d-„ ƒ ed<ƒed=ƒB Z(e"e'B Z)ee)e& e) ƒZ*e*j$d>d-„ ƒ ed?ƒj+ƒ Z,ed@ƒj+ƒ Z-eƒ Z.e*ee,e. e- ƒB Z/e.e/ee(e. ƒ >  ee. e Z0dAdB„ Z1dSdDdE„Z2dFd-„ dGd-„ ej3ej4ej5ej6ej7ej8dHœZ9dIdJ„ Z:eƒ Z;dKdL„ Z<dMdN„ Z=dOdP„ Z>dQd„ Z?G dRd„ deƒZ@dS )Té    )Úabsolute_importÚdivisionÚprint_functionN)ÚParseExceptionÚParseResultsÚstringStartÚ	stringEnd)Ú
ZeroOrMoreÚGroupÚForwardÚQuotedString)ÚLiteralé   )Ústring_types)Ú	SpecifierÚInvalidSpecifierÚInvalidMarkerÚUndefinedComparisonÚUndefinedEnvironmentNameÚMarkerÚdefault_environmentc               @   s   e Zd ZdZdS )r   zE
    An invalid marker was found, users should refer to PEP 508.
    N)Ú__name__Ú
__module__Ú__qualname__Ú__doc__© r   r   ú/usr/lib/python3.6/markers.pyr      s   c               @   s   e Zd ZdZdS )r   zP
    An invalid operation was attempted on a value that doesn't support it.
    N)r   r   r   r   r   r   r   r   r      s   c               @   s   e Zd ZdZdS )r   z\
    A name was attempted to be used that does not exist inside of the
    environment.
    N)r   r   r   r   r   r   r   r   r   %   s   c               @   s,   e Zd Zdd„ Zdd„ Zdd„ Zdd„ Zd	S )
ÚNodec             C   s
   || _ d S )N)Úvalue)Úselfr   r   r   r   Ú__init__.   s    zNode.__init__c             C   s
   t | jƒS )N)Ústrr   )r   r   r   r   Ú__str__1   s    zNode.__str__c             C   s   dj | jjt| ƒƒS )Nz<{0}({1!r})>)ÚformatÚ	__class__r   r!   )r   r   r   r   Ú__repr__4   s    zNode.__repr__c             C   s   t ‚d S )N)ÚNotImplementedError)r   r   r   r   Ú	serialize7   s    zNode.serializeN)r   r   r   r    r"   r%   r'   r   r   r   r   r   ,   s   r   c               @   s   e Zd Zdd„ ZdS )ÚVariablec             C   s   t | ƒS )N)r!   )r   r   r   r   r'   =   s    zVariable.serializeN)r   r   r   r'   r   r   r   r   r(   ;   s   r(   c               @   s   e Zd Zdd„ ZdS )ÚValuec             C   s
   dj | ƒS )Nz"{0}")r#   )r   r   r   r   r'   C   s    zValue.serializeN)r   r   r   r'   r   r   r   r   r)   A   s   r)   c               @   s   e Zd Zdd„ ZdS )ÚOpc             C   s   t | ƒS )N)r!   )r   r   r   r   r'   I   s    zOp.serializeN)r   r   r   r'   r   r   r   r   r*   G   s   r*   Úimplementation_versionÚplatform_python_implementationÚimplementation_nameÚpython_full_versionÚplatform_releaseÚplatform_versionÚplatform_machineÚplatform_systemÚpython_versionÚsys_platformÚos_namezos.namezsys.platformzplatform.versionzplatform.machinezplatform.python_implementationÚpython_implementationZextra)zos.namezsys.platformzplatform.versionzplatform.machinezplatform.python_implementationr6   c             C   s   t tj|d |d ƒƒS )Nr   )r(   ÚALIASESÚget)ÚsÚlÚtr   r   r   Ú<lambda>i   s    r<   z===z==z>=z<=z!=z~=ú>ú<znot inÚinc             C   s   t |d ƒS )Nr   )r*   )r9   r:   r;   r   r   r   r<   w   s    ú'ú"c             C   s   t |d ƒS )Nr   )r)   )r9   r:   r;   r   r   r   r<   z   s    ÚandÚorc             C   s   t |d ƒS )Nr   )Útuple)r9   r:   r;   r   r   r   r<   �   s    ú(ú)c             C   s    t | tƒrdd„ | D ƒS | S d S )Nc             S   s   g | ]}t |ƒ‘qS r   )Ú_coerce_parse_result)Ú.0Úir   r   r   ú
<listcomp>�   s    z(_coerce_parse_result.<locals>.<listcomp>)Ú
isinstancer   )Úresultsr   r   r   rG   �   s    
rG   Tc             C   s”   t | tƒr4t| ƒdkr4t | d ttfƒr4t| d ƒS t | tƒrndd„ | D ƒ}|rZdj|ƒS ddj|ƒ d S n"t | tƒrŒdjdd	„ | D ƒƒS | S d S )
Nr   r   c             s   s   | ]}t |d d�V  qdS )F)ÚfirstN)Ú_format_marker)rH   Úmr   r   r   ú	<genexpr>    s    z!_format_marker.<locals>.<genexpr>ú rE   rF   c             S   s   g | ]}|j ƒ ‘qS r   )r'   )rH   rO   r   r   r   rJ   ¦   s    z"_format_marker.<locals>.<listcomp>)rK   ÚlistÚlenrD   rN   Újoin)ÚmarkerrM   Úinnerr   r   r   rN   ”   s    


rN   c             C   s   | |kS )Nr   )ÚlhsÚrhsr   r   r   r<   ¬   s    c             C   s   | |kS )Nr   )rW   rX   r   r   r   r<   ­   s    )r?   znot inr>   z<=z==z!=z>=r=   c             C   sl   yt dj|jƒ |gƒƒ}W n tk
r.   Y nX |j| ƒS tj|jƒ ƒ}|d krbtdj|| |ƒƒ‚|| |ƒS )NÚ z#Undefined {0!r} on {1!r} and {2!r}.)	r   rT   r'   r   ÚcontainsÚ
_operatorsr8   r   r#   )rW   ÚoprX   ÚspecZoperr   r   r   Ú_eval_op·   s    
r^   c             C   s&   | j |tƒ}|tkr"tdj|ƒƒ‚|S )Nz/{0!r} does not exist in evaluation environment.)r8   Ú
_undefinedr   r#   )ÚenvironmentÚnamer   r   r   r   Ú_get_envË   s
    rb   c       	      C   s´   g g}xš| D ]’}t |tƒr0|d jt||ƒƒ qt |tƒrŒ|\}}}t |tƒrbt||jƒ}|j}n|j}t||jƒ}|d jt|||ƒƒ q|dkr|jg ƒ qW t	dd„ |D ƒƒS )Nr   rC   c             s   s   | ]}t |ƒV  qd S )N)Úall)rH   Úitemr   r   r   rP   î   s    z$_evaluate_markers.<locals>.<genexpr>éÿÿÿÿre   )
rK   rR   ÚappendÚ_evaluate_markersrD   r(   rb   r   r^   Úany)	Zmarkersr`   ÚgroupsrU   rW   r\   rX   Z	lhs_valueZ	rhs_valuer   r   r   rg   Ö   s    




rg   c             C   s2   dj | ƒ}| j}|dkr.||d t| jƒ 7 }|S )Nz{0.major}.{0.minor}.{0.micro}Úfinalr   )r#   Úreleaselevelr!   Úserial)ÚinfoÚversionZkindr   r   r   Úformat_full_versionñ   s
    
ro   c              C   sl   t tdƒr ttjjƒ} tjj}nd} d}|| tjtjƒ tj	ƒ tj
ƒ tjƒ tjƒ tjƒ tjƒ d d… tjdœS )NÚimplementationÚ0rY   é   )r-   r+   r5   r1   r/   r2   r0   r.   r,   r3   r4   )ÚhasattrÚsysro   rp   rn   ra   ÚosÚplatformÚmachineÚreleaseÚsystemr3   r6   )Ziverr-   r   r   r   r   ù   s     

c               @   s.   e Zd Zdd„ Zdd„ Zdd„ Zd
dd	„ZdS )r   c             C   s`   yt tj|ƒƒ| _W nF tk
rZ } z*dj|||j|jd … ƒ}t|ƒ‚W Y d d }~X nX d S )Nz+Invalid marker: {0!r}, parse error at {1!r}é   )rG   ÚMARKERZparseStringÚ_markersr   r#   Úlocr   )r   rU   ÚeZerr_strr   r   r   r      s    zMarker.__init__c             C   s
   t | jƒS )N)rN   r|   )r   r   r   r   r"     s    zMarker.__str__c             C   s   dj t| ƒƒS )Nz<Marker({0!r})>)r#   r!   )r   r   r   r   r%     s    zMarker.__repr__Nc             C   s$   t ƒ }|dk	r|j|ƒ t| j|ƒS )a$  Evaluate a marker.

        Return the boolean from evaluating the given marker against the
        environment. environment is an optional argument to override all or
        part of the determined environment.

        The environment is determined from the current Python process.
        N)r   Úupdaterg   r|   )r   r`   Zcurrent_environmentr   r   r   Úevaluate   s    	
zMarker.evaluate)N)r   r   r   r    r"   r%   r€   r   r   r   r   r     s   )T)AZ
__future__r   r   r   Úoperatorru   rv   rt   Zpkg_resources.extern.pyparsingr   r   r   r   r	   r
   r   r   r   ÚLZ_compatr   Z
specifiersr   r   Ú__all__Ú
ValueErrorr   r   r   Úobjectr   r(   r)   r*   ZVARIABLEr7   ZsetParseActionZVERSION_CMPZ	MARKER_OPZMARKER_VALUEZBOOLOPZ
MARKER_VARZMARKER_ITEMÚsuppressZLPARENZRPARENZMARKER_EXPRZMARKER_ATOMr{   rG   rN   ÚltÚleÚeqÚneÚgeÚgtr[   r^   r_   rb   rg   ro   r   r   r   r   r   r   Ú<module>   sx   †
	6


