관리-도구
편집 파일: difference.cpython-39.pyc
a q�qep � @ s� d dl Z d dlmZmZ d dlmZmZmZ ddlm Z m Z m Z G dd� d�Z ede d �Z G d d � d eee �Zed e d �ZG d d� dee �ZdS )� N)�ABC�abstractmethod)�Generic�Iterable�TypeVar� )� PolicyObject� PolicySymbol� SELinuxPolicyc @ s� e Zd ZdZeedd�dd�Zedd� �Zejdd� �Zed d � �Z e jd d � �Z dd �d d�Z e e e d�dd��Z e ddd��ZdS )� Differencez&Base class for all policy differences.N)� left_policy� right_policy�returnc C s t �t�| _|| _|| _d S �N)�loggingZ getLogger�__name__�logr r )�selfr r � r �=/usr/lib64/python3.9/site-packages/setools/diff/difference.py�__init__ s zDifference.__init__c C s | j S r )� _left_policy�r r r r r s zDifference.left_policyc C s$ | j �d�|�� || _| �� d S )Nz"Policy diff left policy set to {0})r �info�formatr � _reset_diff�r Zpolicyr r r r s c C s | j S r )� _right_policyr r r r r # s zDifference.right_policyc C s$ | j �d�|�� || _| �� d S )Nz#Policy diff right policy set to {0})r r r r r r r r r r ' s )r c C s t �dS )z%Reset diff results on policy changes.N)�NotImplementedErrorr r r r r 0 s zDifference._reset_diff)� rule_listr c c s& | D ] }|� � D ]}||�V qqdS )z4Generator that yields a wrapped, expanded rule list.N)�expand)r Z wrapper_classZunexpanded_ruleZ expanded_ruler r r �_expand_generator4 s z Difference._expand_generatorTc C s� t | �}t |�}|| }|| }t � }t|| |d�} t|| |d�} t| �t| �ksnJ d�t| �t| ����t| | �D ].\} }| |ks�J d�| |���|�| |f� qx|r�t dd� |D ��t dd� |D ��t dd� |D ��fS |||fS dS )a� Standard diff of two sets. Parameters: left An iterable right An iterable Return: tuple (added, removed, matched) added Set of items in right but not left removed Set of items in left but not right matched Set of items in both left and right. This is in the form of tuples with the matching item from left and right ��keyzDMatched items assertion failure (this is an SETools bug), {0} != {1}c s s | ] }|j V qd S r ��origin��.0�ir r r � <genexpr>q � z'Difference._set_diff.<locals>.<genexpr>c s s | ] }|j V qd S r r$ r& r r r r) r r* c s s | ]\}}|j |j fV qd S r r$ )r' �left�rightr r r r) s r* N)�set�sorted�lenr �zip�add) r+ r, r# �unwrapZ left_itemsZ right_itemsZ added_itemsZ removed_itemsZ matched_itemsZleft_matched_itemsZright_matched_itemsr r r � _set_diff> s2 �� ���zDifference._set_diff)NT)r � __module__� __qualname__�__doc__r r �propertyr �setterr r � staticmethodr r! r3 r r r r r s r �T)�boundc @ sl e Zd ZU dZeed< eed< dZeedd�dd�Zd d � Z e d d � �Z e d d� �Z e dd� �Z dd� ZdS )�Wrapperz/Abstract base class for policy object wrappers.r% r# �r% r# N)r% r# r c C s || _ || _d S r r= )r r% r# r r r r � s zWrapper.__init__c C s d� | t| j��S )Nz&<{0.__class__.__name__}(Wrapping {1})>)r �reprr% r r r r �__repr__� s zWrapper.__repr__c C s d S r r r r r r �__hash__� s zWrapper.__hash__c C s d S r r �r �otherr r r �__eq__� s zWrapper.__eq__c C s d S r r rA r r r �__lt__� s zWrapper.__lt__c C s | |k S r r rA r r r �__ne__� s zWrapper.__ne__)r r4 r5 r6 r: �__annotations__�int� __slots__r r? r r@ rC rD rE r r r r r< { s r< �Sc sN e Zd ZU dZeed< dZedd�� fdd� Zdd � Z d d � Z d d � Z � Z S )� SymbolWrapperz� General wrapper for policy symbols, e.g. types, roles to provide a diff-specific equality operation based on its name. �name�rK N)�symbolr c s t � �|t|j�� |j| _d S r )�superr �hashrK )r rM �� __class__r r r � s zSymbolWrapper.__init__c C s | j S r r" r r r r r@ � s zSymbolWrapper.__hash__c C s | j |j k S r rL rA r r r rD � s zSymbolWrapper.__lt__c C s | j |j kS r rL rA r r r rC � s zSymbolWrapper.__eq__) r r4 r5 r6 �strrF rH rI r r@ rD rC � __classcell__r r rP r rJ � s rJ )r �abcr r �typingr r r Z policyrepr r r r r: r< rI rJ r r r r �<module> s k !