
­­­­­­­­­­­­­­­­­­
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^p                 @   sh   d dl mZ ddlmZ ddlmZ ddlmZmZ edddd	gZ	G d
d deZ
G dd deZdS )    )
namedtuple   )ContextWrapper)DiffResultDescriptor)
DifferenceWrapperZmodified_fsuseruleZadded_contextZremoved_contextc               @   s8   e Zd ZdZedZedZedZdd Zdd Z	dS )FSUsesDifferencez@Determine the difference in fs_use_* rules between two policies.diff_fs_usesc             C   s   | j jdj|  | jdd | jj D dd | jj D \| _| _}g | _	x<|D ]4\}}t
|jt
|jkrT| j	jt||j|j qTW dS )z=Generate the difference in fs_use rules between the policies.zHGenerating fs_use_* differences from {0.left_policy} to {0.right_policy}c             s   s   | ]}t |V  qd S )N)FSUseWrapper).0fs r   /usr/lib64/python3.6/fsuse.py	<genexpr>/   s    z0FSUsesDifference.diff_fs_uses.<locals>.<genexpr>c             s   s   | ]}t |V  qd S )N)r   )r   r   r   r   r   r   0   s    N)loginfoformatZ	_set_diffZleft_policyZfs_usesZright_policyadded_fs_usesremoved_fs_usesmodified_fs_usesr   contextappendmodified_fsuse_record)selfZmatchedZ	left_ruleZ
right_ruler   r   r   r
   '   s     
zFSUsesDifference.diff_fs_usesc             C   s"   | j jd d| _d| _d| _dS )z%Reset diff results on policy changes.z#Resetting fs_use_* rule differencesN)r   debugr   r   r   )r   r   r   r   _reset_diff?   s    zFSUsesDifference._reset_diffN)
__name__
__module____qualname____doc__r   r   r   r   r
   r   r   r   r   r   r	      s   r	   c               @   s4   e Zd ZdZdZdd Zdd Zd	d
 Zdd ZdS )r   z,Wrap fs_use_* rules to allow set operations.ruletyper   r   c             C   s0   || _ |j| _|j| _t|j| _t|| _d S )N)originr!   r   r   r   hashkey)r   r   r   r   r   __init__M   s
    zFSUseWrapper.__init__c             C   s   | j S )N)r$   )r   r   r   r   __hash__T   s    zFSUseWrapper.__hash__c             C   s   | j |j k S )N)r$   )r   otherr   r   r   __lt__W   s    zFSUseWrapper.__lt__c             C   s   | j |j ko| j|jkS )N)r!   r   )r   r'   r   r   r   __eq__Z   s    zFSUseWrapper.__eq__N)r!   r   r   )	r   r   r   r    	__slots__r%   r&   r(   r)   r   r   r   r   r   G   s   r   N)collectionsr   r   r   Zdescriptorsr   
differencer   r   r   r	   r   r   r   r   r   <module>   s   (