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sHDNS rdatasets (an rdataset is a set of rdatas of a given type and class)i����NtDifferingCoverscBseZdZRS(s�Raised if an attempt is made to add a SIG/RRSIG whose covered type
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�Zd�Zd�Zddedd�Zddded�Zd�ZRS(s�A DNS rdataset.

    @ivar rdclass: The class of the rdataset
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    @ivar rdtype: The type of the rdataset
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    @ivar 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
    @ivar ttl: The DNS TTL (Time To Live) value
    @type ttl: int
    trdclasstrdtypetcoverstttlcCs;tt|�j�||_||_||_d|_dS(s�Create a new rdataset of the specified class and type.

        @see: the description of the class instance variables for the
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JscCs=t|�dkr||_n||jkr9||_ndS(s�Set the TTL of the rdataset to be the lesser of the set's current
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        If the optional I{ttl} parameter is supplied, then
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s�Convert the rdataset into DNS master file format.

        @see: L{dns.name.Name.choose_relativity} for more information
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        Any additional keyword arguments are passed on to the rdata
        to_text() method.

        @param name: If name is not None, emit a RRs with I{name} as
        the owner name.
        @type name: dns.name.Name object
        @param origin: The origin for relative names, or None.
        @type origin: dns.name.Name object
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Cs�|dk	r|}t}n	|j}|jdd�t|�dkr�|j|||�tjd|j|dd�}|j	|�dS|r�t
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d�}|j	|�|j�}|
j|||�|j�}||dks?t�|j|d�tjd||�}|j	|�|jdd�q�Wt|�SdS(s,Convert the rdataset to wire format.

        @param name: The owner name of the RRset that will be emitted
        @type name: dns.name.Name object
        @param file: The file to which the wire format data will be appended
        @type file: file
        @param compress: The compression table to use; the default is None.
        @type compress: dict
        @param origin: The origin to be appended to any relative names when
        they are emitted.  The default is None.
        @returns: the number of records emitted
        @rtype: int
        iis!HHIHiis!HN(RR)RtseekRtto_wiretstructtpackRtwritetlisttrandomtshuffleR	ttelltAssertionError(
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cCs5|j|kr1|j|kr1|j|kr1tStS(sSReturns True if this rdataset matches the specified class, type,
        and covers(RRRtTrueR)(RRRR((s2/usr/lib64/python2.7/site-packages/dns/rdataset.pytmatchs
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RRRRRRR&R'R*R+RIR#R9RJ(((s2/usr/lib64/python2.7/site-packages/dns/rdataset.pyR(s$		 							
		1/cCs�t|ttf�r*tjj|�}nt|ttf�rTtjj|�}nt||�}|j|�x9|D]1}tj	j|j
|j|�}|j|�qwW|S(s�Create an rdataset with the specified class, type, and TTL, and with
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cGst||||�S(s�Create an rdataset with the specified class, type, and TTL, and with
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    @rtype: dns.rdataset.Rdataset object
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ValueErrorRRRRRR)R(R	trdatasRPRt
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t||�S(s�Create an rdataset with the specified TTL, and with
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    @rtype: dns.rdataset.Rdataset object
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