✏️ 编辑：rdataset.cpython-39.opt-1.pyc
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a �M�etA � @ s� d Z ddlZddlZddlZddlmZmZmZmZm Z m Z m Z ddl Z ddlZ ddlZ ddlZ ddlZ ddlZ ddlZ ddlZ ddlZ e jjZG dd� de jj�ZG dd� de jj�Z G dd � d e jj�Z e j j G d d � d e ��Z de e j j!e"f e e j#j$e"f e%ee" e e j&j' e e j&j( e)e e j&j( e d � dd�Z*e e j j!e"f e e j#j$e"f e%ee d�dd�Z+e%ee 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� Collection�Dict�List�Optional�Union�castc @ s e Zd ZdZdS )�DifferingCoversz~An attempt was made to add a DNS SIG/RRSIG whose covered type is not the same as that of the other rdatas in the rdataset.N��__name__� __module__� __qualname__�__doc__� r r �0/usr/lib/python3.9/site-packages/dns/rdataset.pyr ' s r c @ s e Zd ZdZdS )�IncompatibleTypesz?An attempt was made to add DNS RR data of an incompatible type.Nr r r r r r , s r c s� e Zd ZdZg d�Zejjdfejj ejj ejj e d�� fdd� Z � fdd�Z e dd �d d �Zd-ejjee dd �� fd d� Z� fdd�Z� fdd�Z� fdd�Zdd� Zdd� Zdd� Z� fdd �Zd d � Zd.eejj eejj e eejj e e e e f e d!�d"d#�Z!d/ejj e eejj" eejj eejj e e d$�d%d&�Z#ejj ejj ejj e d'�d(d)�Z$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 to the specified TTL. *ttl*, an ``int`` or ``str``. r N)�dnsr �make�len�r r r r r � update_ttlU s zRdataset.update_ttl)�rdr r c s� | j |j ks| j|jkr t�|dur.| �|� | jtjjksJ| jtjjkr�|�� }t | �dkrt| jtjj krt|| _n| j|kr�t �tj� |j�r�t | �dkr�| � � t� �|� dS )a! Add the specified rdata to the rdataset. If the optional *ttl* parameter is supplied, then ``self.update_ttl(ttl)`` will be called prior to adding the rdata. *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 z Rdataset.addc s | � |j� t� �|� d S r )r$ r r � union_update�r �otherr r r r* � s zRdataset.union_updatec s | � |j� t� �|� d S r )r$ r r �intersection_updater+ r r r r- � s z Rdataset.intersection_updatec s | � |j� t� �|� dS )z�Add all rdatas in other to self. *other*, a ``dns.rdataset.Rdataset``, the rdataset from which to update. 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� rdataclassr r r9 )r Zctextr r r �__repr__� s& �� ������zRdataset.__repr__c C s | � � S r )r? r8 r r r �__str__� s zRdataset.__str__c sB t |t�sdS | j|jks2| j|jks2| j|jkr6dS t� �|�S )NF)� isinstancer r r r r �__eq__r+ r r r rD � s � � �zRdataset.__eq__c C s | � |� S r )rD r+ r r r �__ne__� s zRdataset.__ne__TF)�name�origin� relativize�override_rdclass� want_comments�kwr c K s� |dur"|� ||�}t|�}d}nd}d}t�� } |dur@|} n| j} t| �dkr|| �d�||tj � | �tj � | j ��� nf| D ]`} d} |r�| j r�d| j � �} | �d||| jtj � | �tj � | j �| j f ||d�|��| f � q�| �� dd � S ) au Convert the rdataset into DNS zone file format. See ``dns.name.Name.choose_relativity`` for more information on how *origin* and *relativize* determine the way names are emitted. Any additional keyword arguments are passed on to the rdata ``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``. Nr= r: r z {}{}{} {} z ;z%s%s%d %s %s %s%s )rG rH ���)Zchoose_relativityr2 �io�StringIOr r" �write�formatr r@ r? r& r Z rdcommentr �getvalue) r rF rG rH rI rJ rK ZntextZpadr0 r r% Zextrar r r r? � sJ " �� ���zRdataset.to_text)rF �file�compressrG rI � want_shuffler c C s� |dur|}d}n| j }t| �dkrP|�|||� |�t�d| j|dd�� dS |rht| �}t� |� n| }|D ]h} |�|||� |�t�d| j|| j �� t j � |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. NFr z!HHIH� z!HHI� )r r" �to_wirerO �struct�packr �list�randomZshuffler r ZrendererZprefixed_length) 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, type, and covers. 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 specification. For example, MX records are in preference order from lowest to highest preferences, with items of the same preference shuffled. For types that do not define a processing order, the rdatas are simply shuffled. r N)r" Z_processing_order�iterr8 r r r �processing_order^ s zRdataset.processing_order)N)NNTNF)NNNT)(r r r r � __slots__r r& r' r@ � RdataClass� RdataType�intr r r$ �rdata�Rdatar r) r* r- r. r9 rA rB rD rE rF �Name�boolr r2 r r? Z CompressTyperW r] r r_ � __classcell__r r r r r 0 st �� � �' � � W � � :� r c s� e Zd ZdZeZed�� fdd� Zdd� Zd(dd �Zd d � Z d d � Z dd� Z dd� Z dd� Z dd� Zdd� Zdd� Zdd� Z� fd d �Z� fd d �Z� fd d!�Z� fd"d#�Z� fd$d%�Z� fd&d'�Z� ZS ))�ImmutableRdatasetzAn immutable DNS rdataset.)�rdatasetc s. t � �|j|j|j|j� tj�|j �| _ dS )z9Create an immutable rdataset from the specified rdataset.N) r r r r r r r � immutabler �items)r rj r r r r s s �zImmutableRdataset.__init__c C s t d��d S �Nrk �� TypeErrorr# r r r r$ { 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 � differencer+ r r r r{ � s z ImmutableRdataset.differencec s t t� �|��S r )ri r �symmetric_differencer+ r r r r| � s z&ImmutableRdataset.symmetric_difference)N)r r r r r Z _clone_classr r$ r) r* r- r. rq rr rs rt ru r( rx rw ry rz r{ r| rh r r r r ri m s( ri T) r r r � text_rdatas� idna_codecrG rH � relativize_tor c C sd t jj�| �} t jj�|�}t| |�}|�|� |D ]*} t j� |j |j | ||||�} |� | � q4|S )a| Create an rdataset with the specified class, type, and TTL, and with the specified list of rdatas in text format. *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. ) r r@ ra r! r& rb r r$ rd � from_textr r r) ) r r r r} r~ rG rH r �r�tr% r r r �from_text_list� s � r� )r r r r} r c G s t | ||ttt |��S )z�Create an rdataset with the specified class, type, and TTL, and with the specified rdatas in text format. Returns a ``dns.rdataset.Rdataset`` object. )r� r r r2 )r r r r} r r r r� � s r� )r �rdatasr c C sP t |�dkrtd��d}|D ].}|du r@t|j|j�}|�| � |�|� q |S )z�Create an rdataset with the specified TTL, and with the specified list of rdata objects. Returns a ``dns.rdataset.Rdataset`` object. r z rdata list must not be emptyN)r" � ValueErrorr r r r$ r) )r r� r� r% r r r �from_rdata_list� s r� c G s t | tttjj |��S )z�Create an rdataset with the specified TTL, and with the specified rdata objects. Returns a ``dns.rdataset.Rdataset`` object. )r� r r r rd re )r r� r r r � from_rdata� s r� )NNTN)0r rM r[ rX �typingr r r r r r r Z dns.exceptionr Z dns.immutableZdns.nameZ dns.rdataZdns.rdataclassZ dns.rdatatypeZ dns.rendererZdns.setZdns.ttl�set�SetZ SimpleSet� exceptionZ DNSExceptionr r r rk ri r@ ra r2 r& rb rc rF Z IDNACodecrf rg r� r� rd re r� r� r r r r �<module> sX $ ?J � � )�
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