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sets.cpython-39.pyc
a ��g�g � @ sd d Z ddlZddlmZmZmZmZmZm Z ddl m Z m Z m Z dd� Zdd� ZG d d � d e�ZdS ) z2Set based operations for IP addresses and subnets.� N)� IPNetwork� IPAddress�IPRange� cidr_merge� cidr_exclude�iprange_to_cidrs)� _sys_maxint� _dict_keys� _int_typec C s� | j j}|| }|j| jkr4|�|| j|jd f� |d7 }|}|t|�k r�|| }|| vr^q�|jd |jkrpn |�||jd |jd f� |d7 }|}q@|jd }| j} || kr�|�||| f� |S )a� Calculate IPSet([supernet]) - IPSet(subnets). Assumptions: subnets is sorted, subnet_idx points to the first element in subnets that is a subnet of supernet. Results are appended to the ranges parameter as tuples of in format (version, first, last). Return value is the first subnet_idx that does not point to a subnet of supernet (or len(subnets) if all subsequents items are a subnet of supernet). � )�_module�version�first�append�len�last) �supernet�subnetsZ subnet_idxZrangesr ZsubnetZ prev_subnetZ cur_subnetr r � r �3/usr/lib/python3.9/site-packages/netaddr/ip/sets.py� _subtract s( r c c s� | sdS | d \}}}| dd� D ]F\}}}||d krF||krF|}q"t ||�t ||�fV |}|}|}q"t ||�t ||�fV dS )aq Iterate over sorted_ranges, merging where possible Sorted ranges must be a sorted iterable of (version, first, last) tuples. Merging occurs for pairs like [(4, 10, 42), (4, 43, 100)] which is merged into (4, 10, 100), and leads to return value ( IPAddress(10, 4), IPAddress(100, 4) ), which is suitable input for the iprange_to_cidrs function. Nr r )r )� sorted_rangesZcurrent_versionZ current_startZ current_stopZ next_versionZ next_startZ next_stopr r r �_iter_merged_ranges8 s ��r c @ sH e Zd ZdZdZdGdd�Zdd� Zd d � Zd d � Zd d� Z dd� Z dd� Z dd� Z e Z dd� Zdd� ZdHdd�ZdIdd �Zd d � Zd d � Zd!d"� ZdJd#d$�Zd%d&� Zd'd(� Zd)d*� Zd+d,� Zd-d.� ZeZd/d0� Z d1d2� Z e Z d3d4� Z e Z d5d6� Z!e!Z"d7d8� Z#e#Z$d9d:� Z%e%Z&d;d<� Z'e(d=d>� �Z)d?d@� Z*e*Z+dAdB� Z,dCdD� Z-dEdF� Z.dS )K�IPSetz[ Represents an unordered collection (set) of unique IP addresses and subnets. )�_cidrs� __weakref__Nr c C s� t |t�r|jdi| _n�t |t�r@t�t|d |d �d�| _nrt |t�r^t�|� � d�| _nTi | _|dur�g }|D ]$}t |t �r�t ||d�}|� |� qtt |�D ]}d| j|< q�dS )aH Constructor. :param iterable: (optional) an iterable containing IP addresses, subnets or ranges. :param flags: decides which rules are applied to the interpretation of the addr value. See the :class:`IPAddress` documentation for supported constant values. Tr ���N��flags)� isinstancer �cidrr r �dict�fromkeysr r � iter_cidrsr r r r ��self�iterabler Z mergeable�addrr r r r �__init__] s" � zIPSet.__init__c C s t dd� | jD ��S )z.:return: Pickled state of an ``IPSet`` object.c S s g | ] }|� � �qS r )� __getstate__��.0r r r r � <listcomp>~ � z&IPSet.__getstate__.<locals>.<listcomp>)�tupler �r% r r r r) | s zIPSet.__getstate__c C s t �dd� |D �d�| _dS )zR :param state: data used to unpickle a pickled ``IPSet`` object. c s s$ | ] \}}}t ||f|d �V qdS ))r N)r )r+ �value� prefixlenr r r r � <genexpr>� s �z%IPSet.__setstate__.<locals>.<genexpr>TN)r! r" r )r% �stater r r � __setstate__� s ��zIPSet.__setstate__c C sd |j }|j}|j}|j|jjkrH|�� D ] }|| jv r(| j|= dS q(n�g }| jD ]h}|jj|ksR||krlqR|j }|j} ||kr�| |kr�|�|� qR||krR| |krR| j|= |r�J � dS qR|D ] } | j| = q�|jj|j } |j dk�r`|j | ? d@ } | �r|� � } n|� � } | | jv�r dS | j| = | j|= | j d8 _ | d7 } |j | ? | > |_ d| j|< q�dS )a Same as compact(), but assume that added_network is the only change and that this IPSet was properly compacted before added_network was added. This allows to perform compaction much faster. added_network must already be present in self._cidrs. Nr r T) r r r � _prefixlenr �widthr r r r1 �_value�previous�next)r% Z added_networkZ added_firstZ added_lastZ added_versionZpotential_supernet� to_remover r r �itemZ shift_widthZthe_bit� candidater r r �_compact_single_network� sH z IPSet._compact_single_networkc C s t | j�}t�|d�| _dS )zR Compact internal list of `IPNetwork` objects using a CIDR merge. TN)r r r! r" �r% �cidrsr r r �compact� s z IPSet.compactc C s t d��dS )z� Raises ``TypeError`` if this method is called. .. note:: IPSet objects are not hashable and cannot be used as dictionary keys or as members of other sets. zIP sets are unhashable!N)� TypeErrorr/ r r r �__hash__� s zIPSet.__hash__c C s> t |�}|| jv rdS |jr:| jd8 _|| jv rdS qdS )z� :param ip: An IP address or subnet. :return: ``True`` if IP address or subnet is a member of this IP set. Tr F)r r r5 )r% �ipr r r r � __contains__� s zIPSet.__contains__c C s t | j�S )z9Return True if IPSet contains at least one IP, else False)�boolr r/ r r r � __nonzero__� s zIPSet.__nonzero__c C s t jt| j�� S )zP :return: an iterator over the IP addresses within this IP set. )� _itertools�chain�sortedr r/ r r r �__iter__� s zIPSet.__iter__c C s t | j�S )zU :return: an iterator over individual IP subnets within this IP set. �rI r r/ r r r r# s zIPSet.iter_cidrsc C s� t |t�r<t�t|d |d �d�}| j�|� | �� dS t |t�rN|j }n$t |t �rjtt ||d��}nt|�}d| j|< | � |� dS )a8 Adds an IP address or subnet or IPRange to this IP set. Has no effect if it is already present. Note that where possible the IP address or subnet is merged with other members of the set to form more concise CIDR blocks. :param addr: An IP address or subnet in either string or object form, or an IPRange object. :param flags: decides which rules are applied to the interpretation of the addr value. See the :class:`IPAddress` documentation for supported constant values. r r TNr ) r r r! r" r r �updater@ r r r r r= )r% r' r Z new_cidrsr r r �add s � z IPSet.addc C s� t |t�r4t|d |d �}|D ]}| �|� q dS t |t�rLt||d�}nt|�}| �|� d}d}| jD ] }||v rlt ||�}|} q�ql|dur�| j|= |D ]}d| j|< q�dS )a Removes an IP address or subnet or IPRange from this IP set. Does nothing if it is not already a member. Note that this method behaves more like discard() found in regular Python sets because it doesn't raise KeyError exceptions if the IP address or subnet is question does not exist. It doesn't make sense to fully emulate that behaviour here as IP sets contain groups of individual IP addresses as individual set members using IPNetwork objects. :param addr: An IP address or subnet, or an IPRange. :param flags: decides which rules are applied to the interpretation of the addr value. See the :class:`IPAddress` documentation for supported constant values. r r Nr T) r r r �remover r r rM r r )r% r' r r? r Z remainderZ matching_cidrr r r rN * s( z IPSet.removec C s | j �� d S )z� Removes and returns an arbitrary IP address or subnet from this IP set. :return: An IP address or subnet. r )r �popitemr/ r r r �popb s z IPSet.popc C s | � |�}| S )z� :param other: an IP set. :return: ``True`` if this IP set has no elements (IP addresses or subnets) in common with other. Intersection *must* be an empty set. )� intersection)r% �other�resultr r r � isdisjointk s zIPSet.isdisjointc C s | � � }|j�| j� |S )z':return: a shallow copy of this IP set.)� __class__r rL )r% Zobj_copyr r r �copyv s z IPSet.copyc C s� t |t�r:t�dd� tt| j�t|j� �D �d�| _dS t |ttf�rV| � |� dS t |d�sht d��g }|D ]$}t |t �r�t ||d�}|�|� qptt| j�| �D ]}d| j|< q�| �� dS )az Update the contents of this IP set with the union of itself and other IP set. :param iterable: an iterable containing IP addresses, subnets or ranges. :param flags: decides which rules are applied to the interpretation of the addr value. See the :class:`IPAddress` documentation for supported constant values. c s s | ] }|V qd S )Nr )r+ rC r r r r2 � r- z IPSet.update.<locals>.<genexpr>TNrJ zan iterable was expected!r )r r r! r" r r r r r rM �hasattrrA r r r r@ r$ r r r rL | s* �� z IPSet.updatec C s i | _ dS )z5Remove all IP addresses and subnets from this IP set.N�r r/ r r r �clear� s z IPSet.clearc C s* z| j |j kW S ty$ t Y S 0 dS )z� :param other: an IP set :return: ``True`` if this IP set is equivalent to the ``other`` IP set, ``False`` otherwise. N�r �AttributeError�NotImplemented�r% rR r r r �__eq__� s z IPSet.__eq__c C s* z| j |j kW S ty$ t Y S 0 dS )z� :param other: an IP set :return: ``False`` if this IP set is equivalent to the ``other`` IP set, ``True`` otherwise. NrZ r] r r r �__ne__� s z IPSet.__ne__c C s$ t |d�stS | j|jk o"| �|�S )z� :param other: an IP set :return: ``True`` if this IP set is less than the ``other`` IP set, ``False`` otherwise. r )rW r\ �size�issubsetr] r r r �__lt__� s z IPSet.__lt__c C s | j D ]}||vr dS qdS )z� :param other: an IP set. :return: ``True`` if every IP address and subnet in this IP set is found within ``other``. FTrX �r% rR r r r r ra � s zIPSet.issubsetc C s$ t |d�stS | j|jko"| �|�S )z� :param other: an IP set. :return: ``True`` if this IP set is greater than the ``other`` IP set, ``False`` otherwise. r )rW r\ r` � issupersetr] r r r �__gt__� s z IPSet.__gt__c C s, t |d�stS |jD ]}|| vr dS qdS )z� :param other: an IP set. :return: ``True`` if every IP address and subnet in other IP set is found within this one. r FT)rW r\ r rc r r r rd � s zIPSet.issupersetc C s | � � }|�|� |S )z� :param other: an IP set. :return: the union of this IP set and another as a new IP set (combines IP addresses and subnets from both sets). )rV rL )r% rR Zip_setr r r �union� s z IPSet.unionc C s� i }t | j�}t |j�}d}d}t|�}t|�}||k r�||k r�|| } || } | | krrd|| < |d7 }|d7 }q0| | v r�d|| < |d7 }q0| | v r�d|| < |d7 }q0| | k r�|d7 }q0|d7 }q0t� } || _| S )z� :param other: an IP set. :return: the intersection of this IP set and another as a new IP set. (IP addresses and subnets common to both sets). r Tr )rI r r r ) r% rR � result_cidrs�own_nets� other_nets�own_idx� other_idx�own_len� other_len�own_cur� other_currS r r r rQ � s4 zIPSet.intersectionc C s� g }t | j�}t |j�}d}d}t|�}t|�}||k r�||k r�|| } || } | | krj|d7 }|d7 }q0| | v r�t| |||�}|d7 }q0| | v r�t| |||�}|d7 }q0| | k r�|�| jj| j| jf� |d7 }q0|�| jj| j| jf� |d7 }q0||k �r*|| } |�| jj| j| jf� |d7 }q�||k �r`|| } |�| jj| j| jf� |d7 }�q*t � } t |�D ]*\} } t | | �}|D ]}d| j|< �q��qn| S )z� :param other: an IP set. :return: the symmetric difference of this IP set and another as a new IP set (all IP addresses and subnets that are in exactly one of the sets). r r T) rI r r r r r r r r r r r )r% rR � result_rangesrh ri rj rk rl rm rn ro rS �start�stopr? r r r r �symmetric_difference+ s\ � � � � zIPSet.symmetric_differencec C s g }i }t | j�}t |j�}d}d}t|�}t|�} ||k r�|| k r�|| } || } | | krn|d7 }|d7 }q4| | v r�|d7 }q4| | v r�t| |||�}|d7 }q4| | k r�d|| < |d7 }q4|d7 }q4||k r�d||| < |d7 }q�t|�D ] \} } t| | �D ] }d||< q�q�t� }||_|S )z� :param other: an IP set. :return: the difference between this IP set and another as a new IP set (all IP addresses and subnets that are in this IP set but not found in the other.) r r T)rI r r r r r r )r% rR rp rg rh ri rj rk rl rm rn ro rq rr r rS r r r � differenceo sD � zIPSet.differencec C s | j }|tkrtdt ��|S )z� :return: the cardinality of this IP set (i.e. sum of individual IP addresses). Raises ``IndexError`` if size > maxint (a Python limitation). Use the .size property for subnets of any size. zUrange contains more than %d (sys.maxint) IP addresses!Use the .size property instead.)r` r � IndexError)r% r` r r r �__len__� s ��z IPSet.__len__c C s t dd� | jD ��S )z� The cardinality of this IP set (based on the number of individual IP addresses including those implicitly defined in subnets). c S s g | ] }|j �qS r )r` r* r r r r, � r- z IPSet.size.<locals>.<listcomp>)�sumr r/ r r r r` � s z IPSet.sizec C s ddd� t | j�D � S )z8:return: Python statement to create an equivalent objectz IPSet(%r)c S s g | ] }t |��qS r )�str)r+ �cr r r r, � r- z"IPSet.__repr__.<locals>.<listcomp>rK r/ r r r �__repr__� s zIPSet.__repr__c C sL | � � }t|�dkrH|d d }|D ]"}|d |kr: dS |d d }q$dS )z� Returns True if the members of the set form a contiguous IP address range (with no gaps), False otherwise. :return: ``True`` if the ``IPSet`` object is contiguous. r r Fr T)r# r )r% r? r8 r r r r � iscontiguous� s zIPSet.iscontiguousc C s> | � � r2| �� }|sdS t|d d |d d �S td��dS )z� Generates an IPRange for this IPSet, if all its members form a single contiguous sequence. Raises ``ValueError`` if the set is not contiguous. :return: An ``IPRange`` for all IPs in the IPSet. Nr r zIPSet is not contiguous)r{ r# r � ValueErrorr> r r r �iprange� s z IPSet.iprangec c s4 dd� | � � D �}t|�D ]\}}t||�V qdS )z�Generate the merged IPRanges for this IPSet. In contrast to self.iprange(), this will work even when the IPSet is not contiguous. Adjacent IPRanges will be merged together, so you get the minimal number of IPRanges. c S s g | ]}|j j|j|jf�qS r )r r r r r* r r r r, � s �z'IPSet.iter_ipranges.<locals>.<listcomp>N)r# r r )r% r rq rr r r r � iter_ipranges� s �zIPSet.iter_ipranges)Nr )r )r )r )/�__name__� __module__� __qualname__�__doc__� __slots__r( r) r4 r= r@ rB rD rF �__bool__rJ r# rM rN rP rT rV rL rY r^ r_ rb ra �__le__re rd �__ge__rf �__or__rQ �__and__rs �__xor__rt �__sub__rv �propertyr` rz �__str__r{ r} r~ r r r r r U sX J ! 8 # *B4 r )r� � itertoolsrG Z netaddr.ipr r r r r r Znetaddr.compatr r r r r �objectr r r r r �<module> s (
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