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ó ¢báWc@sTdZddlmZddlZddlZddlZdefd„ƒYZdS(s)DNS nodes. A node is a set of rdatasets.iÿÿÿÿ(tStringIONtNodecBs›eZdZdgZd„Zd„Zd„Zd„Zd„Zd„Z d„Z e j j ed „Ze j j ed „Ze j j d „Zd „ZRS( s“A DNS node. A node is a set of rdatasets @ivar rdatasets: the node's rdatasets @type rdatasets: list of dns.rdataset.Rdataset objectst rdatasetscCs g|_dS(sInitialize a DNS node. N(R(tself((s,/usr/lib/python2.7/site-packages/dns/node.pyt__init__$scKsftƒ}xL|jD]A}t|ƒdkr|j|j||�ƒ|jdƒqqW|jƒd S(s+Convert a node to text format. Each rdataset at the node is printed. Any keyword arguments to this method are passed on to the rdataset's to_text() method. @param name: the owner name of the rdatasets @type name: dns.name.Name object @rtype: string iu iÿÿÿÿ(RRtlentwritetto_texttgetvalue(Rtnametkwtstrds((s,/usr/lib/python2.7/site-packages/dns/node.pyR*s cCsdtt|ƒƒdS(Ns (tstrtid(R((s,/usr/lib/python2.7/site-packages/dns/node.pyt__repr__;scCsRx$|jD]}||jkr tSq Wx$|jD]}||jkr1tSq1WtS(sSTwo nodes are equal if they have the same rdatasets. @rtype: bool (RtFalsetTrue(Rtothertrd((s,/usr/lib/python2.7/site-packages/dns/node.pyt__eq__>scCs|j|ƒ S(N(R(RR((s,/usr/lib/python2.7/site-packages/dns/node.pyt__ne__NscCs t|jƒS(N(RR(R((s,/usr/lib/python2.7/site-packages/dns/node.pyt__len__QscCs t|jƒS(N(titerR(R((s,/usr/lib/python2.7/site-packages/dns/node.pyt__iter__TscCsex*|jD]}|j|||ƒr |Sq W|s<t‚ntjj||ƒ}|jj|ƒ|S(sFind an rdataset matching the specified properties in the current node. @param rdclass: The class of the rdataset @type rdclass: int @param rdtype: The type of the rdataset @type rdtype: int @param covers: The covered type. Usually this value is dns.rdatatype.NONE, but if the rdtype is dns.rdatatype.SIG or dns.rdatatype.RRSIG, then the covers value will be the rdata type the SIG/RRSIG covers. The library treats the SIG and RRSIG types as if they were a family of types, e.g. RRSIG(A), RRSIG(NS), RRSIG(SOA). This makes RRSIGs much easier to work with than if RRSIGs covering different rdata types were aggregated into a single RRSIG rdataset. @type covers: int @param create: If True, create the rdataset if it is not found. @type create: bool @raises KeyError: An rdataset of the desired type and class does not exist and I{create} is not True. @rtype: dns.rdataset.Rdataset object (RtmatchtKeyErrortdnstrdatasettRdatasettappend(RtrdclasstrdtypetcoverstcreateR ((s,/usr/lib/python2.7/site-packages/dns/node.pyt find_rdatasetWs cCs:y|j||||ƒ}Wntk r5d}nX|S(sEGet an rdataset matching the specified properties in the current node. None is returned if an rdataset of the specified type and class does not exist and I{create} is not True. @param rdclass: The class of the rdataset @type rdclass: int @param rdtype: The type of the rdataset @type rdtype: int @param covers: The covered type. @type covers: int @param create: If True, create the rdataset if it is not found. @type create: bool @rtype: dns.rdataset.Rdataset object or None N(R$RtNone(RR R!R"R#R ((s,/usr/lib/python2.7/site-packages/dns/node.pyt get_rdatasetys   cCs8|j|||ƒ}|dk r4|jj|ƒndS(szDelete the rdataset matching the specified properties in the current node. If a matching rdataset does not exist, it is not an error. @param rdclass: The class of the rdataset @type rdclass: int @param rdtype: The type of the rdataset @type rdtype: int @param covers: The covered type. @type covers: int N(R&R%Rtremove(RR R!R"R ((s,/usr/lib/python2.7/site-packages/dns/node.pytdelete_rdataset’s cCsTt|tjjƒs$tdƒ‚n|j|j|j|jƒ|j j |ƒdS(s8Replace an rdataset. It is not an error if there is no rdataset matching I{replacement}. Ownership of the I{replacement} object is transferred to the node; in other words, this method does not store a copy of I{replacement} at the node, it stores I{replacement} itself. sreplacement is not an rdatasetN( t isinstanceRRRt ValueErrorR(R R!R"RR(Rt replacement((s,/usr/lib/python2.7/site-packages/dns/node.pytreplace_rdataset¤s  (t__name__t __module__t__doc__t __slots__RRRRRRRRt rdatatypetNONERR$R&R(R,(((s,/usr/lib/python2.7/site-packages/dns/node.pyRs          !  ( R/tioRt dns.rdatasetRt dns.rdatatypet dns.renderertobjectR(((s,/usr/lib/python2.7/site-packages/dns/node.pyts