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j,j- e d�dd�Z.e%ee d�dd�Z/dS )zHDNS rdatasets (an rdataset is a set of rdatas of a given type and class)� N)�Any�
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e d'�d(d)�Z$e%ejj d*�d+d,�Z&� Z'S )0�RdatasetzA DNS rdataset.)�rdclass�rdtype�covers�ttlr c s& t � �� || _|| _|| _|| _dS )a5 Create a new rdataset of the specified class and type.
*rdclass*, a ``dns.rdataclass.RdataClass``, the rdataclass.
*rdtype*, an ``dns.rdatatype.RdataType``, the rdatatype.
*covers*, an ``dns.rdatatype.RdataType``, the covered rdatatype.
*ttl*, an ``int``, the TTL.
N)�super�__init__r r r r )�selfr r r r �� __class__r r r 5 s
zRdataset.__init__c s. t � �� }| j|_| j|_| j|_| j|_|S �N)r �_cloner r r r )r �objr r r r M s
zRdataset._cloneN)r �returnc C s4 t j�|�}t| �dkr || _n|| jk r0|| _dS )a Perform TTL minimization.
Set the TTL of the rdataset to be the lesser of the set's current
TTL or the specified TTL. If the set contains no rdatas, set the TTL
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*ttl*, an ``int`` or ``str``.
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� t� �|� dS )a! Add the specified rdata to the rdataset.
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*rd*, a ``dns.rdata.Rdata``, the rdata
*ttl*, an ``int``, the TTL.
Raises ``dns.rdataset.IncompatibleTypes`` if the type and class
do not match the type and class of the rdataset.
Raises ``dns.rdataset.DifferingCovers`` if the type is a signature
type and the covered type does not match that of the rdataset.
Nr )r r r r$ r � rdatatypeZRRSIGZSIGr r" �NONEr Z is_singleton�clearr �add)r r% r r r r r r) d s
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N)r$ r r �updater+ r r r r. � s zRdataset.updatec s$ dd� � dd� � fdd�| D �� S )Nc S s t | �dkr | d d� d S | S )N�d z...)r" )�sr r r �maybe_truncate� s z,Rdataset._rdata_repr.<locals>.maybe_truncatez[%s]z, c 3 s | ]}d � t |�� V qdS )z<%s>N)�str)�.0Zrr�r1 r r � <genexpr>� � z'Rdataset._rdata_repr.<locals>.<genexpr>)�join�r r r4 r � _rdata_repr� s zRdataset._rdata_reprc C s^ | j dkrd}ndtj�| j � d }dtj�| j� d tj�| j� | d | �� d S ) Nr � �(�)z<DNS � z rdataset: �>)r r r& �to_text�
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au Convert the rdataset into DNS zone file format.
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on how *origin* and *relativize* determine the way names
are emitted.
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``to_text()`` method.
*name*, a ``dns.name.Name``. If name is not ``None``, emit RRs with
*name* as the owner name.
*origin*, a ``dns.name.Name`` or ``None``, the origin for relative
names.
*relativize*, a ``bool``. If ``True``, names will be relativized
to *origin*.
*override_rdclass*, a ``dns.rdataclass.RdataClass`` or ``None``.
If not ``None``, use this class instead of the Rdataset's class.
*want_comments*, a ``bool``. If ``True``, emit comments for rdata
which have them. The default is ``False``.
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|d�� | �|||� W d � qp1 s�0 Y qpt| �S dS )at Convert the rdataset to wire format.
*name*, a ``dns.name.Name`` is the owner name to use.
*file* is the file where the name is emitted (typically a
BytesIO file).
*compress*, a ``dict``, is the compression table to use. If
``None`` (the default), names will not be compressed.
*origin* is a ``dns.name.Name`` or ``None``. If the name is
relative and origin is not ``None``, then *origin* will be appended
to it.
*override_rdclass*, an ``int``, is used as the class instead of the
class of the rdataset. This is useful when rendering rdatasets
associated with dynamic updates.
*want_shuffle*, a ``bool``. If ``True``, then the order of the
Rdatas within the Rdataset will be shuffled before rendering.
Returns an ``int``, the number of records emitted.
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r rF rR rS rG rI rT r �lr% r r r rW s$ ! .zRdataset.to_wire)r r r r c C s& | j |kr"| j|kr"| j|kr"dS dS )zaReturns ``True`` if this rdataset matches the specified class,
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TF)r r r )r r r r r r r �matchQ s zRdataset.match)r c C s& t | �dkrg S | d �t| ��S dS )aT Return rdatas in a valid processing order according to the type's
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lowest to highest preferences, with items of the same preference
shuffled.
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simply shuffled.
r N)r" Z_processing_order�iterr8 r r r �processing_order^ s zRdataset.processing_order)N)NNTNF)NNNT)(r r r
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r r r r r r r � immutabler �items)r rj r r r r s s �zImmutableRdataset.__init__c C s t d��d S �Nrk �� TypeErrorr# r r r r$ { s z ImmutableRdataset.update_ttlNc C s t d��d S rm rn )r r% r r r r r) ~ s zImmutableRdataset.addc C s t d��d S rm rn r+ r r r r* � s z ImmutableRdataset.union_updatec C s t d��d S rm rn r+ r r r r- � s z%ImmutableRdataset.intersection_updatec C s t d��d S rm rn r+ r r r r. � s zImmutableRdataset.updatec C s t d��d S rm rn )r �ir r r � __delitem__� s z ImmutableRdataset.__delitem__c C s t d��d S rm rn r+ r r r �__ior__� s zImmutableRdataset.__ior__c C s t d��d S rm rn r+ r r r �__iand__� s zImmutableRdataset.__iand__c C s t d��d S rm rn r+ r r r �__iadd__� s zImmutableRdataset.__iadd__c C s t d��d S rm rn r+ r r r �__isub__� s zImmutableRdataset.__isub__c C s t d��d S rm rn r8 r r r r( � s zImmutableRdataset.clearc s t t� �� �S r �ri r �copyr8 r r r �__copy__� s zImmutableRdataset.__copy__c s t t� �� �S r rv r8 r r r rw � s zImmutableRdataset.copyc s t t� �|��S r )ri r �unionr+ r r r ry � s zImmutableRdataset.unionc s t t� �|��S r )ri r � intersectionr+ r r r rz � s z ImmutableRdataset.intersectionc s t t� �|��S r )ri r �
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� q4|S )a| Create an rdataset with the specified class, type, and TTL, and with
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*idna_codec*, a ``dns.name.IDNACodec``, specifies the IDNA
encoder/decoder to use; if ``None``, the default IDNA 2003
encoder/decoder is used.
*origin*, a ``dns.name.Name`` (or ``None``), the
origin to use for relative names.
*relativize*, a ``bool``. If true, name will be relativized.
*relativize_to*, a ``dns.name.Name`` (or ``None``), the origin to use
when relativizing names. If not set, the *origin* value will be used.
Returns a ``dns.rdataset.Rdataset`` object.
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)r� r r r2 )r r r r} r r r r� � s r� )r �rdatasr c C s\ t |�dkrtd��d}|D ].}|du r@t|j|j�}|�| � |�|� q |dusXJ �|S )z�Create an rdataset with the specified TTL, and with
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