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!`Nc @ s d Z d e f d „ ƒ YZ d S( s A simple Set class.t Setc B sL e Z d Z d g Z d$ d „ Z d „ Z d „ Z d „ Z d „ Z d „ Z
d „ Z d „ Z d
„ Z
d „ Z d „ Z d
„ Z d „ Z d „ Z d „ Z d „ Z d „ Z d „ Z d „ Z d „ Z d „ Z d „ Z d „ Z d „ Z d „ Z d „ Z d „ Z d „ Z d „ Z! d „ Z" d „ Z# d! „ Z$ d" „ Z% d# „ Z& RS(% s' A simple set class.
Sets are not in Python until 2.3, and rdata are not immutable so
we cannot use sets.Set anyway. This class implements subset of
the 2.3 Set interface using a list as the container.
@ivar items: A list of the items which are in the set
@type items: listt itemsc C s: g | _ | d k r6 x | D] } | j | ƒ q Wn d S( sv Initialize the set.
@param items: the initial set of items
@type items: any iterable or None
N( R t Nonet add( t selfR t item( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyt __init__ s
c C s d t | j ƒ S( Ns dns.simpleset.Set(%s)( t reprR ( R ( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyt __repr__* s c C s& | | j k r" | j j | ƒ n d S( s Add an item to the set.N( R t append( R R ( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyR - s c C s | j j | ƒ d S( s Remove an item from the set.N( R t remove( R R ( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyR
2 s c C s, y | j j | ƒ Wn t k
r' n Xd S( s' Remove an item from the set if present.N( R R
t
ValueError( R R ( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyt discard6 s
c C s. | j } | j | ƒ } t | j ƒ | _ | S( sÞ Make a (shallow) copy of the set.
There is a 'clone protocol' that subclasses of this class
should use. To make a copy, first call your super's _clone()
method, and use the object returned as the new instance. Then
make shallow copies of the attributes defined in the subclass.
This protocol allows us to write the set algorithms that
return new instances (e.g. union) once, and keep using them in
subclasses.
( t __class__t __new__t listR ( R t clst obj( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyt _clone= s
c C s
| j ƒ S( s! Make a (shallow) copy of the set.( R ( R ( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyt __copy__O s c C s
| j ƒ S( s! Make a (shallow) copy of the set.( R ( R ( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyt copyS s c C sS t | t ƒ s t d ƒ ‚ n | | k r. d Sx | j D] } | j | ƒ q8 Wd S( sÌ Update the set, adding any elements from other which are not
already in the set.
@param other: the collection of items with which to update the set
@type other: Set object
s other must be a Set instanceN( t
isinstanceR R R R ( R t otherR ( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyt union_updateW s c C sn t | t ƒ s t d ƒ ‚ n | | k r. d Sx9 t | j ƒ D]( } | | j k r> | j j | ƒ q> q> Wd S( sÈ Update the set, removing any elements from other which are not
in both sets.
@param other: the collection of items with which to update the set
@type other: Set object
s other must be a Set instanceN( R R R R R R
( R R R ( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyt intersection_updated s c C s[ t | t ƒ s t d ƒ ‚ n | | k r6 g | _ n! x | j D] } | j | ƒ q@ Wd S( s Update the set, removing any elements from other which are in
the set.
@param other: the collection of items with which to update the set
@type other: Set object
s other must be a Set instanceN( R R R R R ( R R R ( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyt difference_updatet s c C s | j ƒ } | j | ƒ | S( s³ Return a new set which is the union of I{self} and I{other}.
@param other: the other set
@type other: Set object
@rtype: the same type as I{self}
( R R ( R R R ( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyt union‚ s
c C s | j ƒ } | j | ƒ | S( sº Return a new set which is the intersection of I{self} and I{other}.
@param other: the other set
@type other: Set object
@rtype: the same type as I{self}
( R R ( R R R ( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyt intersectionŽ s
c C s | j ƒ } | j | ƒ | S( sã Return a new set which I{self} - I{other}, i.e. the items
in I{self} which are not also in I{other}.
@param other: the other set
@type other: Set object
@rtype: the same type as I{self}
( R R ( R R R ( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyt
differenceš s
c C s
| j | ƒ S( N( R ( R R ( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyt __or__§ s c C s
| j | ƒ S( N( R ( R R ( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyt __and__ª s c C s
| j | ƒ S( N( R ( R R ( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyt __add__ s c C s
| j | ƒ S( N( R ( R R ( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyt __sub__° s c C s | j | ƒ | S( N( R ( R R ( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyt __ior__³ s
c C s | j | ƒ | S( N( R ( R R ( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyt __iand__· s
c C s | j | ƒ | S( N( R ( R R ( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyt __iadd__» s
c C s | j | ƒ | S( N( R ( R R ( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyt __isub__¿ s
c C s" x | D] } | j | ƒ q Wd S( sÊ Update the set, adding any elements from other which are not
already in the set.
@param other: the collection of items with which to update the set
@type other: any iterable typeN( R ( R R R ( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyt updateà s
c C s
g | _ d S( s Make the set empty.N( R ( R ( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyt clearË s c C sR x$ | j D] } | | j k r
t Sq
Wx$ | j D] } | | j k r1 t Sq1 Wt S( N( R t Falset True( R R R ( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyt __eq__Ï s c C s | j | ƒ S( N( R) ( R R ( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyt __ne__Ú s c C s
t | j ƒ S( N( t lenR ( R ( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyt __len__Ý s c C s
t | j ƒ S( N( t iterR ( R ( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyt __iter__à s c C s | j | S( N( R ( R t i( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyt __getitem__ã s c C s | j | =d S( N( R ( R R/ ( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyt __delitem__æ s c C s | j | | !S( N( R ( R R/ t j( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyt __getslice__é s c C s | j | | 5d S( N( R ( R R/ R2 ( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyt __delslice__ì s c C sI t | t ƒ s t d ƒ ‚ n x$ | j D] } | | j k r( t Sq( Wt S( s? Is I{self} a subset of I{other}?
@rtype: bool
s other must be a Set instance( R R R R R' R( ( R R R ( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyt issubsetï s c C sI t | t ƒ s t d ƒ ‚ n x$ | j D] } | | j k r( t Sq( Wt S( sA Is I{self} a superset of I{other}?
@rtype: bool
s other must be a Set instance( R R R R R' R( ( R R R ( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyt
issupersetü s N(' t __name__t
__module__t __doc__t __slots__R R R R R
R R R R R R R R R R R R R R R! R" R# R$ R% R& R) R* R, R. R0 R1 R3 R4 R5 R6 ( ( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyR sH
N( R9 t objectR ( ( ( s- /usr/lib64/python2.7/site-packages/dns/set.pyt s