a
qqep @ s d dl Z d dlmZmZ d dlmZmZmZ ddlm Z m
Z
m Z G dd dZ ede d Z
G d
d d eee
Zed e
d ZG d
d dee ZdS ) N)ABCabstractmethod)GenericIterableTypeVar ) PolicyObject PolicySymbol
SELinuxPolicyc @ s e Zd ZdZeeddddZedd Zejdd Zed d
Z e jd d
Z dd d
dZ
e e e dddZ
e dddZdS )
Differencez&Base class for all policy differences.N) left_policy right_policyreturnc 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_policyr r r r r s zDifference.left_policyc C s$ | j d| || _| d S )Nz"Policy diff left policy set to {0})r infoformatr _reset_diffr 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| |
D ]\} }|| |f qP|rt 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
keyc s s | ] }|j V qd S r origin.0ir r r q z'Difference._set_diff..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' leftrightr r r r) s r* N)setsortedzipadd) r+ r, r# unwrapZ
left_itemsZ right_itemsZ added_itemsZ
removed_itemsZ
matched_itemsZleft_matched_itemsZright_matched_itemsr r r _set_diff> s zDifference._set_diff)NT)r
__module__ __qualname____doc__r
r propertyr setterr
r staticmethodr r! r2 r r r r r
s
r T)boundc @ sl e Zd ZU dZeed< eed< dZeeddddZd 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| jS )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 r@ r r r __lt__ s zWrapper.__lt__c C s
| |k S r r r@ r r r __ne__ s zWrapper.__ne__)r r3 r4 r5 r9 __annotations__int __slots__r r> r r? rB rC rD 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.
namerJ N)symbolr c s t |t|j |j| _d S r )superr hashrJ )r rL __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 rK r@ r r r rC s zSymbolWrapper.__lt__c C s | j |j kS r rK r@ r r r rB s zSymbolWrapper.__eq__)
r r3 r4 r5 strrE rG rH r r? rC rB
__classcell__r r rO r rI s
rI )r abcr r typingr r r Z policyrepr r r
r r9 r; rH rI r r r r s k !