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dd� Zdd� Zdd � Zd d � Zd d � Zd!d"� ZG d#d$� d$�ZejG d%d&� d&e��ZejG d'd(� d(e��ZG d)d*� d*�ZG d+d,� d,ee�ZG d-d.� d.e�ZG d/d0� d0ee�ZG d1d2� d2�Z e e_ G d3d4� d4�Z G d5d6� d6e e�Z G d7d8� d8e �Z G d9d:� d:e e�Z!G d;d<� d<�Z"e"e _ dS )>z�A fast, lightweight IPv4/IPv6 manipulation library in Python.
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z1.0� N� � c @ s e Zd ZdZdS )�AddressValueErrorz%A Value Error related to the address.N)�__name__�
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r s r c C sT yt | �S ttfk
r Y nX yt| �S ttfk
rB Y nX td| ��dS )a� Take an IP string/int and return an object of the correct type.
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address: A string or integer, the IP address. Either IPv4 or
IPv6 addresses may be supplied; integers less than 2**32 will
be considered to be IPv4 by default.
Returns:
An IPv4Address or IPv6Address object.
Raises:
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address
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rF Y nX td| ��dS )a� Take an IP string/int and return an object of the correct type.
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address: A string or integer, the IP network. Either IPv4 or
IPv6 networks may be supplied; integers less than 2**32 will
be considered to be IPv4 by default.
Returns:
An IPv4Network or IPv6Network object.
Raises:
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address. Or if the network has host bits set.
z0%r does not appear to be an IPv4 or IPv6 networkN)� IPv4Networkr r � IPv6Networkr )r �strictr r r
�
ip_network9 s
r c C sT yt | �S ttfk
r Y nX yt| �S ttfk
rB Y nX td| ��dS )ag Take an IP string/int and return an object of the correct type.
Args:
address: A string or integer, the IP address. Either IPv4 or
IPv6 addresses may be supplied; integers less than 2**32 will
be considered to be IPv4 by default.
Returns:
An IPv4Interface or IPv6Interface object.
Raises:
ValueError: if the string passed isn't either a v4 or a v6
address.
Notes:
The IPv?Interface classes describe an Address on a particular
Network, so they're basically a combination of both the Address
and Network classes.
z2%r does not appear to be an IPv4 or IPv6 interfaceN)�
IPv4Interfacer r �
IPv6Interfacer )r r r r
� ip_interfaceW s r c C s. y | � dd�S tk
r( td��Y nX dS )a` Represent an address as 4 packed bytes in network (big-endian) order.
Args:
address: An integer representation of an IPv4 IP address.
Returns:
The integer address packed as 4 bytes in network (big-endian) order.
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ValueError: If the integer is negative or too large to be an
IPv4 IP address.
� �bigz&Address negative or too large for IPv4N)�to_bytes�
OverflowErrorr )r r r r
�v4_int_to_packedz s r c C s. y | � dd�S tk
r( td��Y nX dS )z�Represent an address as 16 packed bytes in network (big-endian) order.
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� r z&Address negative or too large for IPv6N)r r r )r r r r
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r c C s* t | ��d�}t|�dkr&td| ��|S )zAHelper to split the netmask and raise AddressValueError if needed�/� z Only one '/' permitted in %r)�str�split�lenr )r �addrr r r
�_split_optional_netmask� s r% c c sR t | �}t|� }}x.|D ]&}|j|jd kr<||fV |}|}qW ||fV dS )z�Find a sequence of sorted deduplicated IPv#Address.
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addresses: a list of IPv#Address objects.
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� N)�iter�next�_ip)� addresses�it�first�last�ipr r r
�_find_address_range� s
r/ c C s$ | dkr |S t || | d @ �� �S )z�Count the number of zero bits on the right hand side.
Args:
number: an integer.
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bit_length)Znumber�bitsr r r
�_count_righthand_zero_bits� s r3 c c s� t | t�rt |t�s td��| j|jkr8td| |f ��| |krHtd��| jdkrXt}n| jdkrht}ntd��| j}| j}|j}x^||kr�t t
||�|| d � � d �}|||| f�}|V |d|> 7 }|d |j kr�P q�W dS ) a� Summarize a network range given the first and last IP addresses.
Example:
>>> list(summarize_address_range(IPv4Address('192.0.2.0'),
... IPv4Address('192.0.2.130')))
... #doctest: +NORMALIZE_WHITESPACE
[IPv4Network('192.0.2.0/25'), IPv4Network('192.0.2.128/31'),
IPv4Network('192.0.2.130/32')]
Args:
first: the first IPv4Address or IPv6Address in the range.
last: the last IPv4Address or IPv6Address in the range.
Returns:
An iterator of the summarized IPv(4|6) network objects.
Raise:
TypeError:
If the first and last objects are not IP addresses.
If the first and last objects are not the same version.
ValueError:
If the last object is not greater than the first.
If the version of the first address is not 4 or 6.
z1first and last must be IP addresses, not networksz%%s and %s are not of the same versionz*last IP address must be greater than firstr � zunknown IP versionr& N)
�
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�summarize_address_range� s0
r< c c s� t | �}i }xL|rX|�� }|�� }|�|�}|dkr>|||< q||kr||= |�|� qW d}x4t|�� �D ]$}|dk r�|j|jkr�ql|V |}qlW dS )au Loops through the addresses, collapsing concurrent netblocks.
Example:
ip1 = IPv4Network('192.0.2.0/26')
ip2 = IPv4Network('192.0.2.64/26')
ip3 = IPv4Network('192.0.2.128/26')
ip4 = IPv4Network('192.0.2.192/26')
_collapse_addresses_internal([ip1, ip2, ip3, ip4]) ->
[IPv4Network('192.0.2.0/24')]
This shouldn't be called directly; it is called via
collapse_addresses([]).
Args:
addresses: A list of IPv4Network's or IPv6Network's
Returns:
A list of IPv4Network's or IPv6Network's depending on what we were
passed.
N)�list�pop�supernet�get�append�sorted�values�broadcast_address)r* Zto_merge�subnetsr; r? Zexistingr- r r r
� _collapse_addresses_internal s$
rF c C s8 g }g }g }x�| D ]�}t |t�rT|rH|d j|jkrHtd||d f ��|�|� q|j|jkr�|r�|d j|jkr�td||d f ��y|�|j� W q� tk
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t |��}|�r,x&t |�D ]\}}|�
t||�� �qW t|| �S )a� Collapse a list of IP objects.
Example:
collapse_addresses([IPv4Network('192.0.2.0/25'),
IPv4Network('192.0.2.128/25')]) ->
[IPv4Network('192.0.2.0/24')]
Args:
addresses: An iterator of IPv4Network or IPv6Network objects.
Returns:
An iterator of the collapsed IPv(4|6)Network objects.
Raises:
TypeError: If passed a list of mixed version objects.
���z%%s and %s are not of the same version)r5 r6 �_versionr7 rA �
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rN c C s( t | t�r| �� S t | t�r$| �� S tS )a2 Return a key suitable for sorting between networks and addresses.
Address and Network objects are not sortable by default; they're
fundamentally different so the expression
IPv4Address('192.0.2.0') <= IPv4Network('192.0.2.0/24')
doesn't make any sense. There are some times however, where you may wish
to have ipaddress sort these for you anyway. If you need to do this, you
can use this function as the key= argument to sorted().
Args:
obj: either a Network or Address object.
Returns:
appropriate key.
)r5 � _BaseNetwork�_get_networks_keyr6 �_get_address_key�NotImplemented)�objr r r
�get_mixed_type_keyh s
rT c @ s� e Zd ZdZdZedd� �Zedd� �Zedd� �Zed d
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e dd� �Ze dd� �Ze dd� �Ze dd� �Ze dd� �Zdd � Zd S ) �_IPAddressBasezThe mother class.r c C s | � � S )z:Return the longhand version of the IP address as a string.)� _explode_shorthand_ip_string)�selfr r r
�exploded� s z_IPAddressBase.explodedc C s t | �S )z;Return the shorthand version of the IP address as a string.)r! )rW r r r
�
compressed� s z_IPAddressBase.compressedc C s | � � S )aI The name of the reverse DNS pointer for the IP address, e.g.:
>>> ipaddress.ip_address("127.0.0.1").reverse_pointer
'1.0.0.127.in-addr.arpa'
>>> ipaddress.ip_address("2001:db8::1").reverse_pointer
'1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.b.d.0.1.0.0.2.ip6.arpa'
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�reverse_pointer� s z _IPAddressBase.reverse_pointerc C s dt | �f }t|��d S )Nz %200s has no version specified)�type�NotImplementedError)rW �msgr r r
r8 � s z_IPAddressBase.versionc C sF |dk r d}t ||| jf ��|| jkrBd}t ||| j| jf ��d S )Nr z-%d (< 0) is not permitted as an IPv%d addressz2%d (>= 2**%d) is not permitted as an IPv%d address)r rH r: r9 )rW r r^ r r r
�_check_int_address� s
z!_IPAddressBase._check_int_addressc C s. t |�}||kr*d}t||||| jf ��d S )Nz6%r (len %d != %d) is not permitted as an IPv%d address)r# r rH )rW r Z expected_lenZ address_lenr^ r r r
�_check_packed_address� s
z$_IPAddressBase._check_packed_addressc C s | j | j |? A S )z�Turn the prefix length into a bitwise netmask
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Returns:
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)r: )�cls� prefixlenr r r
�_ip_int_from_prefix� s z"_IPAddressBase._ip_int_from_prefixc C s\ t || j�}| j| }||? }d|> d }||krX| jd }|�|d�}d}t|| ��|S )a Return prefix length from the bitwise netmask.
Args:
ip_int: An integer, the netmask in expanded bitwise format
Returns:
An integer, the prefix length.
Raises:
ValueError: If the input intermingles zeroes & ones
r& � r z&Netmask pattern %r mixes zeroes & ones)r3 r9 r r ) ra �ip_intZtrailing_zeroesrb Z leading_onesZall_onesZbyteslenZdetailsr^ r r r
�_prefix_from_ip_int� s
z"_IPAddressBase._prefix_from_ip_intc C s d| }t |�d �d S )Nz%r is not a valid netmask)r )ra Z netmask_strr^ r r r
�_report_invalid_netmask� s z&_IPAddressBase._report_invalid_netmaskc C sh t j�|�s| �|� y t|�}W n tk
r@ | �|� Y nX d| krX| jksdn | �|� |S )a Return prefix length from a numeric string
Args:
prefixlen_str: The string to be converted
Returns:
An integer, the prefix length.
Raises:
NetmaskValueError: If the input is not a valid netmask
r )�_BaseV4�_DECIMAL_DIGITS�
issupersetrg �intr r9 )ra Z
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�_prefix_from_prefix_string� s
z)_IPAddressBase._prefix_from_prefix_stringc C s� y| � |�}W n tk
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| �|�S tk
rL Y nX || jN }y
| �|�S tk
r� | �|� Y nX dS )a Turn a netmask/hostmask string into a prefix length
Args:
ip_str: The netmask/hostmask to be converted
Returns:
An integer, the prefix length.
Raises:
NetmaskValueError: If the input is not a valid netmask/hostmask
N)�_ip_int_from_stringr rg rf r r: )ra �ip_strre r r r
�_prefix_from_ip_string� s
z%_IPAddressBase._prefix_from_ip_stringc C sH t |ttf�r|| jfS t |t�s*t|�}t|�dkr:|S |d | jfS )z�Helper function to parse address of Network/Interface.
Arg:
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Returns:
(addr, prefix) tuple.
r& r )r5 �bytesrk r9 �tupler% r# )ra r r r r
�_split_addr_prefix s
z!_IPAddressBase._split_addr_prefixc C s | j t| �ffS )N)� __class__r! )rW r r r
�
__reduce__/ s z_IPAddressBase.__reduce__N)r r r r � __slots__�propertyrX rY r[ r8 r_ r` � classmethodrc rf rg rl ro rr rt r r r r
rU � s
" rU c @ sd e Zd ZdZdZdd� Zdd� Zdd� Zd d
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d� Z
dd� Z dd� Z dd� Z
dd� ZdS )r6 z�A generic IP object.
This IP class contains the version independent methods which are
used by single IP addresses.
r c C s | j S )N)r) )rW r r r
�__int__> s z_BaseAddress.__int__c C s2 y| j |j ko| j|jkS tk
r, tS X d S )N)r) rH rJ rR )rW �otherr r r
�__eq__A s
z_BaseAddress.__eq__c C sF t |t�stS | j|jkr*td| |f ��| j|jkrB| j|jk S dS )Nz%%s and %s are not of the same versionF)r5 r6 rR rH r7 r) )rW ry r r r
�__lt__H s
z_BaseAddress.__lt__c C s t |t�stS | �t| �| �S )N)r5 rk rR rs )rW ry r r r
�__add__T s
z_BaseAddress.__add__c C s t |t�stS | �t| �| �S )N)r5 rk rR rs )rW ry r r r
�__sub__Y s
z_BaseAddress.__sub__c C s d| j jt| �f S )Nz%s(%r))rs r r! )rW r r r
�__repr__^ s z_BaseAddress.__repr__c C s t | �| j��S )N)r! �_string_from_ip_intr) )rW r r r
�__str__a s z_BaseAddress.__str__c C s t tt| j���S )N)�hash�hexrk r) )rW r r r
�__hash__d s z_BaseAddress.__hash__c C s
| j | fS )N)rH )rW r r r
rQ g s z _BaseAddress._get_address_keyc C s | j | jffS )N)rs r) )rW r r r
rt j s z_BaseAddress.__reduce__N)r r r r ru rx rz r{ r| r} r~ r� r� rQ rt r r r r
r6 3 s r6 c @ sd e Zd ZdZdd� Zdd� Zdd� Zdd � Zd
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� Z dd� Z
dd� Z dd� Z dd� Z
dd� Zedd� �Zedd� �Zed d � �Zed d � �Zed d!� �Zed"d#� �Zed$d%� �Zed&d'� �Zd(d)� Zd*d+� Zd,d-� ZdHd0d1�ZdId2d3�Z ed4d5� �Z e d6d7� �Z d8d9� Z d:d;� Z!ed<d=� �Z"ed>d?� �Z#ed@dA� �Z$edBdC� �Z%edDdE� �Z&edFdG� �Z'd/S )JrO z~A generic IP network object.
This IP class contains the version independent methods which are
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c C s
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�__init__w s z_BaseNetwork.__init__c C s d| j jt| �f S )Nz%s(%r))rs r r! )rW r r r
r~ z s z_BaseNetwork.__repr__c C s d| j | jf S )Nz%s/%d)rK rb )rW r r r
r� } s z_BaseNetwork.__str__c c s< t | j�}t | j�}x"t|d |�D ]}| �|�V q$W dS )z�Generate Iterator over usable hosts in a network.
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�hosts� s
z_BaseNetwork.hostsc c s< t | j�}t | j�}x"t||d �D ]}| �|�V q$W d S )Nr& )rk rK rD r� r� )rW r� r� r� r r r
�__iter__� s
z_BaseNetwork.__iter__c C sl t | j�}t | j�}|dkr>|| |kr0td��| �|| �S |d7 }|| |k rZtd��| �|| �S d S )Nr zaddress out of ranger& )rk rK rD �
IndexErrorr� )rW �nr� r� r r r
� __getitem__� s
z_BaseNetwork.__getitem__c C s^ t |t�stS | j|jkr*td| |f ��| j|jkrB| j|jk S | j|jkrZ| j|jk S dS )Nz%%s and %s are not of the same versionF)r5 rO rR rH r7 rK �netmask)rW ry r r r
r{ � s
z_BaseNetwork.__lt__c C sF y,| j |j ko,| j|jko,t| j�t|j�kS tk
r@ tS X d S )N)rH rK rk r� rJ rR )rW ry r r r
rz � s z_BaseNetwork.__eq__c C s t t| j�t| j�A �S )N)r� rk rK r� )rW r r r
r� � s z_BaseNetwork.__hash__c C sL | j |j krdS t|t�r dS t| j�t|j� koBt| j�kS S d S )NF)rH r5 rO rk rK r) rD )rW ry r r r
� __contains__� s
z_BaseNetwork.__contains__c C s( | j |kp&| j|kp&|j | kp&|j| kS )z*Tell if self is partly contained in other.)rK rD )rW ry r r r
�overlaps� s
z_BaseNetwork.overlapsc C s< | j �d�}|d kr8| �t| j�t| j�B �}|| j d< |S )NrD )r� r@ r� rk rK �hostmask)rW r� r r r
rD � s
z _BaseNetwork.broadcast_addressc C s8 | j �d�}|d kr4| �t| j�| jA �}|| j d< |S )Nr� )r� r@ r� rk r� r: )rW r� r r r
r� � s
z_BaseNetwork.hostmaskc C s d| j | jf S )Nz%s/%d)rK rI )rW r r r
�with_prefixlen� s z_BaseNetwork.with_prefixlenc C s d| j | jf S )Nz%s/%s)rK r� )rW r r r
� with_netmask� s z_BaseNetwork.with_netmaskc C s d| j | jf S )Nz%s/%s)rK r� )rW r r r
�
with_hostmask� s z_BaseNetwork.with_hostmaskc C s t | j�t | j� d S )z&Number of hosts in the current subnet.r& )rk rD rK )rW r r r
�
num_addresses� s z_BaseNetwork.num_addressesc C s dt | �f }t|��d S )Nz%%200s has no associated address class)r\ r] )rW r^ r r r
r� � s z_BaseNetwork._address_classc C s | j S )N)rI )rW r r r
rb � s z_BaseNetwork.prefixlenc c s | j |j ks td| |f ��t|t�s2td| ��|�| �sLtd|| f ��|| krXdS |�d|j|jf �}| � � \}}xb||kr�||kr�|�|�r�|V |� � \}}q||�|�r�|V |� � \}}q|t
d|||f ��q|W ||kr�|V n"||kr�|V nt
d|||f ��dS )a� Remove an address from a larger block.
For example:
addr1 = ip_network('192.0.2.0/28')
addr2 = ip_network('192.0.2.1/32')
list(addr1.address_exclude(addr2)) =
[IPv4Network('192.0.2.0/32'), IPv4Network('192.0.2.2/31'),
IPv4Network('192.0.2.4/30'), IPv4Network('192.0.2.8/29')]
or IPv6:
addr1 = ip_network('2001:db8::1/32')
addr2 = ip_network('2001:db8::1/128')
list(addr1.address_exclude(addr2)) =
[ip_network('2001:db8::1/128'),
ip_network('2001:db8::2/127'),
ip_network('2001:db8::4/126'),
ip_network('2001:db8::8/125'),
...
ip_network('2001:db8:8000::/33')]
Args:
other: An IPv4Network or IPv6Network object of the same type.
Returns:
An iterator of the IPv(4|6)Network objects which is self
minus other.
Raises:
TypeError: If self and other are of differing address
versions, or if other is not a network object.
ValueError: If other is not completely contained by self.
z%%s and %s are not of the same versionz%s is not a network objectz%s not contained in %sNz%s/%sz3Error performing exclusion: s1: %s s2: %s other: %s) rH r7 r5 rO � subnet_ofr rs rK rb rE �AssertionError)rW ry �s1�s2r r r
�address_exclude� s6 $
z _BaseNetwork.address_excludec C s` | j |j kr td| |f ��| j|jk r,dS | j|jkr<dS | j|jk rLdS | j|jkr\dS dS )a� Compare two IP objects.
This is only concerned about the comparison of the integer
representation of the network addresses. This means that the
host bits aren't considered at all in this method. If you want
to compare host bits, you can easily enough do a
'HostA._ip < HostB._ip'
Args:
other: An IP object.
Returns:
If the IP versions of self and other are the same, returns:
-1 if self < other:
eg: IPv4Network('192.0.2.0/25') < IPv4Network('192.0.2.128/25')
IPv6Network('2001:db8::1000/124') <
IPv6Network('2001:db8::2000/124')
0 if self == other
eg: IPv4Network('192.0.2.0/24') == IPv4Network('192.0.2.0/24')
IPv6Network('2001:db8::1000/124') ==
IPv6Network('2001:db8::1000/124')
1 if self > other
eg: IPv4Network('192.0.2.128/25') > IPv4Network('192.0.2.0/25')
IPv6Network('2001:db8::2000/124') >
IPv6Network('2001:db8::1000/124')
Raises:
TypeError if the IP versions are different.
z"%s and %s are not of the same typerG r& r )rH r7 rK r� )rW ry r r r
�compare_networksC s ! z _BaseNetwork.compare_networksc C s | j | j| jfS )z�Network-only key function.
Returns an object that identifies this address' network and
netmask. This function is a suitable "key" argument for sorted()
and list.sort().
)rH rK r� )rW r r r
rP s s z _BaseNetwork._get_networks_keyr& Nc c s� | j | jkr| V dS |dk rJ|| j k r0td��|dkr@td��|| j }|dk rZtd��| j | }|| jkr~td|| f ��t| j�}t| j�d }t| j�d |? }x(t|||�D ]}| �||f�}|V q�W dS )a� The subnets which join to make the current subnet.
In the case that self contains only one IP
(self._prefixlen == 32 for IPv4 or self._prefixlen == 128
for IPv6), yield an iterator with just ourself.
Args:
prefixlen_diff: An integer, the amount the prefix length
should be increased by. This should not be set if
new_prefix is also set.
new_prefix: The desired new prefix length. This must be a
larger number (smaller prefix) than the existing prefix.
This should not be set if prefixlen_diff is also set.
Returns:
An iterator of IPv(4|6) objects.
Raises:
ValueError: The prefixlen_diff is too small or too large.
OR
prefixlen_diff and new_prefix are both set or new_prefix
is a smaller number than the current prefix (smaller
number means a larger network)
Nznew prefix must be longerr& z(cannot set prefixlen_diff and new_prefixr z prefix length diff must be > 0z0prefix length diff %d is invalid for netblock %s) rI r9 r rk rK rD r� r� rs ) rW �prefixlen_diff�
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new_prefixlen�start�end�stepZnew_addrZcurrentr r r
rE } s,
z_BaseNetwork.subnetsc C s� | j dkr| S |dk rB|| j kr(td��|dkr8td��| j | }| j| }|dk rftd| j|f ��| �t| j�t| j�|> @ |f�S )a� The supernet containing the current network.
Args:
prefixlen_diff: An integer, the amount the prefix length of
the network should be decreased by. For example, given a
/24 network and a prefixlen_diff of 3, a supernet with a
/21 netmask is returned.
Returns:
An IPv4 network object.
Raises:
ValueError: If self.prefixlen - prefixlen_diff < 0. I.e., you have
a negative prefix length.
OR
If prefixlen_diff and new_prefix are both set or new_prefix is a
larger number than the current prefix (larger number means a
smaller network)
r Nznew prefix must be shorterr& z(cannot set prefixlen_diff and new_prefixz;current prefixlen is %d, cannot have a prefixlen_diff of %d)rI r rb rs rk rK r� )rW r� r� r� r r r
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z_BaseNetwork.supernetc C s | j jo| jjS )z�Test if the address is reserved for multicast use.
Returns:
A boolean, True if the address is a multicast address.
See RFC 2373 2.7 for details.
)rK � is_multicastrD )rW r r r
r� � s z_BaseNetwork.is_multicastc C sf y8| j |j kr"t| � d|� d���|j| jko8|j| jkS tk
r` td| � d|� ���Y nX d S )Nz and z are not of the same versionz*Unable to test subnet containment between )rH r7 rK rD rJ )�a�br r r
�
_is_subnet_of� s z_BaseNetwork._is_subnet_ofc C s | � | |�S )z1Return True if this network is a subnet of other.)r� )rW ry r r r
r� � s z_BaseNetwork.subnet_ofc C s | � || �S )z3Return True if this network is a supernet of other.)r� )rW ry r r r
� supernet_of� s z_BaseNetwork.supernet_ofc C s | j jo| jjS )z�Test if the address is otherwise IETF reserved.
Returns:
A boolean, True if the address is within one of the
reserved IPv6 Network ranges.
)rK � is_reservedrD )rW r r r
r� � s z_BaseNetwork.is_reservedc C s | j jo| jjS )z�Test if the address is reserved for link-local.
Returns:
A boolean, True if the address is reserved per RFC 4291.
)rK �
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r� s z_BaseNetwork.is_link_localc C s | j jo| jjS )z�Test if this address is allocated for private networks.
Returns:
A boolean, True if the address is reserved per
iana-ipv4-special-registry or iana-ipv6-special-registry.
)rK �
is_privaterD )rW r r r
r� s z_BaseNetwork.is_privatec C s | j S )z�Test if this address is allocated for public networks.
Returns:
A boolean, True if the address is not reserved per
iana-ipv4-special-registry or iana-ipv6-special-registry.
)r� )rW r r r
� is_global s z_BaseNetwork.is_globalc C s | j jo| jjS )z�Test if the address is unspecified.
Returns:
A boolean, True if this is the unspecified address as defined in
RFC 2373 2.5.2.
)rK �is_unspecifiedrD )rW r r r
r� ) s z_BaseNetwork.is_unspecifiedc C s | j jo| jjS )z�Test if the address is a loopback address.
Returns:
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RFC 2373 2.5.3.
)rK � is_loopbackrD )rW r r r
r� 5 s z_BaseNetwork.is_loopback)r& N)r& N)(r r r r r� r~ r� r� r� r� r{ rz r� r� r� rv rD r� r� r� r� r� r� rb r� r� rP rE r? r� � staticmethodr� r� r� r� r� r� r� r� r� r r r r
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The following methods are used by IPv4 objects in both single IP
addresses and networks.
r r r r& �
0123456789� � � � �� �� � r r c C s t | �S )N)r! )rW r r r
rV Y s z$_BaseV4._explode_shorthand_ip_stringc C s� || j kr�t|t�r<|}d| kr.| jksjn | �|� n.y| �|�}W n tk
rh | �|�}Y nX t| � |��}||f| j |< | j | S )a Make a (netmask, prefix_len) tuple from the given argument.
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- an integer (the prefix length)
- a string representing the prefix length (e.g. "24")
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r )
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rv } zt d||f �d�W dd}~X Y nX dS )a Turn the given IP string into an integer for comparison.
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zAddress cannot be empty�.r zExpected 4 octets in %rr z%s in %rN)r r" r# rk �
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kr�t d | ��|S ) a Convert a decimal octet into an integer.
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zEmpty octet not permittedz#Only decimal digits permitted in %r� z$At most 3 characters permitted in %r�
� r �0z3Ambiguous (octal/decimal) value in %r not permittedr� z Octet %d (> 255) not permitted)r ri rj r# rk )ra Z octet_strr^ Z octet_intr r r
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Returns:
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r� dS X d| ko�| jkS S )z�Verify that the netmask is valid.
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netmask: A string, either a prefix or dotted decimal
netmask.
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netmask.
r� r Fr r& T)r" r# rk �_valid_mask_octetsr � enumerater9 )rW r� �maskr� �idx�yr r r
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r: dS X t|�t|�krPdS |d |d k rddS dS )z�Test if the IP string is a hostmask (rather than a netmask).
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�
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� _is_hostmask� s
z_BaseV4._is_hostmaskc C s& t | ��d�ddd� }d�|�d S )z�Return the reverse DNS pointer name for the IPv4 address.
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r� NrG z
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rZ � s z_BaseV4._reverse_pointerc C s | j S )N)r9 )rW r r r
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r8 s z_BaseV4.versionN)r r r r ru rH �
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Args:
address: A string or integer representing the IP
Additionally, an integer can be passed, so
IPv4Address('192.0.2.1') == IPv4Address(3221225985).
or, more generally
IPv4Address(int(IPv4Address('192.0.2.1'))) ==
IPv4Address('192.0.2.1')
Raises:
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Nr r r zUnexpected '/' in %r)
r5 rk r_ r) rp r` r� r! r rm )rW r �addr_strr r r
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�packed1 s zIPv4Address.packedc C s | | j jkS )z�Test if the address is otherwise IETF reserved.
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r� 6 s zIPv4Address.is_reservedc s t � fdd�� jjD ��S )z�Test if this address is allocated for private networks.
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r� A s
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r� M s zIPv4Address.is_globalc C s | | j jkS )z�Test if the address is reserved for multicast use.
Returns:
A boolean, True if the address is multicast.
See RFC 3171 for details.
)r� �_multicast_network)rW r r r
r� R s zIPv4Address.is_multicastc C s | | j jkS )z�Test if the address is unspecified.
Returns:
A boolean, True if this is the unspecified address as defined in
RFC 5735 3.
)r� �_unspecified_address)rW r r r
r� ] s zIPv4Address.is_unspecifiedc C s | | j jkS )z�Test if the address is a loopback address.
Returns:
A boolean, True if the address is a loopback per RFC 3330.
)r� �_loopback_network)rW r r r
r� h s zIPv4Address.is_loopbackc C s | | j jkS )z�Test if the address is reserved for link-local.
Returns:
A boolean, True if the address is link-local per RFC 3927.
)r� �_linklocal_network)rW r r r
r� r s zIPv4Address.is_link_localN)r r r r ru r� rv r� r� � functools� lru_cacher� r� r� r� r� r� r r r r
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r� s
zIPv4Interface.__init__c C s d| � | j�| jjf S )Nz%s/%d)r r) r� rb )rW r r r
r� � s zIPv4Interface.__str__c C sB t �| |�}|r|tkr |S y | j|jkS tk
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r{ � s zIPv4Interface.__lt__c C s t | j| jt| jj�f�S )N)r� r) rI rk r� rK )rW r r r
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r. � s zIPv4Interface.ipc C s d| � | j�| jf S )Nz%s/%s)r r) rI )rW r r r
r� � s z IPv4Interface.with_prefixlenc C s d| � | j�| jf S )Nz%s/%s)r r) r� )rW r r r
r� � s zIPv4Interface.with_netmaskc C s d| � | j�| jf S )Nz%s/%s)r r) r� )rW r r r
r� � s zIPv4Interface.with_hostmaskN)r r r r� r� rz r{ r� rU rt rv r. r� r� r� r r r r
r } s r c @ s2 e Zd ZdZeZddd�Zee� � dd� ��Z
dS ) r ae This class represents and manipulates 32-bit IPv4 network + addresses..
Attributes: [examples for IPv4Network('192.0.2.0/27')]
.network_address: IPv4Address('192.0.2.0')
.hostmask: IPv4Address('0.0.0.31')
.broadcast_address: IPv4Address('192.0.2.32')
.netmask: IPv4Address('255.255.255.224')
.prefixlen: 27
Tc C s� t �| |� | �|�\}}t|�| _| �|�\| _| _t| j�}|t| j�@ |krx|rdt d| ��nt|t| j�@ �| _| j| j
d kr�| j | _ dS )a Instantiate a new IPv4 network object.
Args:
address: A string or integer representing the IP [& network].
'192.0.2.0/24'
'192.0.2.0/255.255.255.0'
'192.0.0.2/0.0.0.255'
are all functionally the same in IPv4. Similarly,
'192.0.2.1'
'192.0.2.1/255.255.255.255'
'192.0.2.1/32'
are also functionally equivalent. That is to say, failing to
provide a subnetmask will create an object with a mask of /32.
If the mask (portion after the / in the argument) is given in
dotted quad form, it is treated as a netmask if it starts with a
non-zero field (e.g. /255.0.0.0 == /8) and as a hostmask if it
starts with a zero field (e.g. 0.255.255.255 == /8), with the
single exception of an all-zero mask which is treated as a
netmask == /0. If no mask is given, a default of /32 is used.
Additionally, an integer can be passed, so
IPv4Network('192.0.2.1') == IPv4Network(3221225985)
or, more generally
IPv4Interface(int(IPv4Interface('192.0.2.1'))) ==
IPv4Interface('192.0.2.1')
Raises:
AddressValueError: If ipaddress isn't a valid IPv4 address.
NetmaskValueError: If the netmask isn't valid for
an IPv4 address.
ValueError: If strict is True and a network address is not
supplied.
z%s has host bits setr& N)
rO r� rr r rK r� r� rI rk r r9 r� r� )rW r r r$ r� r� r r r
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z
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d�Z dS )�_IPv4Constantsz169.254.0.0/16z 127.0.0.0/8z 224.0.0.0/4z
100.64.0.0/10z 0.0.0.0/8z
10.0.0.0/8z
172.16.0.0/12z 192.0.0.0/29z192.0.0.170/31z 192.0.2.0/24z192.168.0.0/16z
198.18.0.0/15z198.51.100.0/24z203.0.113.0/24z 240.0.0.0/4z255.255.255.255/32z0.0.0.0N) r r r r r� r� r� r� r� r� r r� r r r r
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ddd��Zdd� Zdd� Zedd� �Zedd� �ZdS ) �_BaseV6zyBase IPv6 object.
The following methods are used by IPv6 objects in both single IP
addresses and networks.
r r4 r r& rd Z0123456789ABCDEFabcdefc C sl || j krbt|t�r<|}d| kr.| jksFn | �|� n
| �|�}t| �|��}||f| j |< | j | S )a Make a (netmask, prefix_len) tuple from the given argument.
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zAddress cannot be empty�:r� z At least %d parts expected in %rr� rG z%s in %rNz%xr i�� r& z!At most %d colons permitted in %rz At most one '::' permitted in %rr z0Leading ':' only permitted as part of '::' in %rz1Trailing ':' only permitted as part of '::' in %rz/Expected at most %d other parts with '::' in %rz,Exactly %d parts expected without '::' in %r) r r" r# r r> r) rA �
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z_BaseV6._ip_int_from_stringc C s> | j �|�std| ��t|�dkr4d}t|| ��t|d�S )a& Convert an IPv6 hextet string into an integer.
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[0..FFFF].
z Only hex digits permitted in %rr z$At most 4 characters permitted in %rr )� _HEX_DIGITSrj r r# rk )ra Z
hextet_strr^ r r r
r� � s z_BaseV6._parse_hextetc C s� d}d}d}d}xJt |�D ]>\}}|dkrP|d7 }|dkr>|}||krX|}|}qd}d}qW |dkr�|| }|t|�kr�|dg7 }dg|||�< |dkr�dg| }|S )a� Compresses a list of hextets.
Compresses a list of strings, replacing the longest continuous
sequence of "0" in the list with "" and adding empty strings at
the beginning or at the end of the string such that subsequently
calling ":".join(hextets) will produce the compressed version of
the IPv6 address.
Args:
hextets: A list of strings, the hextets to compress.
Returns:
A list of strings.
rG r r� r& � )r� r# ) ra �hextetsZbest_doublecolon_startZbest_doublecolon_lenZdoublecolon_startZdoublecolon_len�indexZhextetZbest_doublecolon_endr r r
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z_BaseV6._compress_hextetsNc sZ |dkrt | j�}|| jkr$td��d| � � fdd�tddd�D �}| �|�}d �|�S )
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A string, the hexadecimal representation of the address.
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NzIPv6 address is too largez%032xc s& g | ] }d t � ||d � d� �qS )z%xr r )rk )r� r� )�hex_strr r
r� s z/_BaseV6._string_from_ip_int.<locals>.<listcomp>r r r r� )rk r) r: r r� r� r� )ra re r� r )r� r
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z_BaseV6._string_from_ip_intc s� t | t�rt| j�}n t | t�r,t| j�}nt| �}| �|�}d| � � fdd�tddd�D �}t | ttf�r�dd� |�| j
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r� 8 s z8_BaseV6._explode_shorthand_ip_string.<locals>.<listcomp>r r r z%s/%dr� ) r5 r r! rK r r. rm r� rO r� rI )rW rn re r� r )r� r
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z$_BaseV6._explode_shorthand_ip_stringc C s& | j ddd� �dd�}d�|�d S )z�Return the reverse DNS pointer name for the IPv6 address.
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z/Represent and manipulate single IPv6 Addresses.)r) r� c C sr t |t�r | �|� || _dS t |t�rF| �|d� t�|d�| _dS t|�}d|krbtd| ��| � |�| _dS )a Instantiate a new IPv6 address object.
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or, more generally
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r� y s zIPv6Address.packedc C s | | j jkS )z�Test if the address is reserved for multicast use.
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r� � s zIPv6Address.is_reservedc C s | | j jkS )z�Test if the address is reserved for link-local.
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r� � s zIPv6Address.is_link_localc C s | | j jkS )a` Test if the address is reserved for site-local.
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r� � s zIPv6Address.is_loopbackc C s | j d? dkrdS t| j d@ �S )z�Return the IPv4 mapped address.
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zIPv6Address.teredoc C s$ | j d? dkrdS t| j d? d@ �S )z�Return the IPv4 6to4 embedded address.
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r� 3 s z IPv6Interface.with_prefixlenc C s d| � | j�| jf S )Nz%s/%s)r r) r� )rW r r r
r� 8 s zIPv6Interface.with_netmaskc C s d| � | j�| jf S )Nz%s/%s)r r) r� )rW r r r
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r� B s z IPv6Interface.is_unspecifiedc C s | j dko| jjS )Nr& )r) r� r� )rW r r r
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dd�Zdd� Zedd� �Z d S ) r av This class represents and manipulates 128-bit IPv6 networks.
Attributes: [examples for IPv6('2001:db8::1000/124')]
.network_address: IPv6Address('2001:db8::1000')
.hostmask: IPv6Address('::f')
.broadcast_address: IPv6Address('2001:db8::100f')
.netmask: IPv6Address('ffff:ffff:ffff:ffff:ffff:ffff:ffff:fff0')
.prefixlen: 124
Tc C s� t �| |� | �|�\}}t|�| _| �|�\| _| _t| j�}|t| j�@ |krx|rdt d| ��nt|t| j�@ �| _| j| j
d kr�| j | _ dS )a� Instantiate a new IPv6 Network object.
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address: A string or integer representing the IPv6 network or the
IP and prefix/netmask.
'2001:db8::/128'
'2001:db8:0000:0000:0000:0000:0000:0000/128'
'2001:db8::'
are all functionally the same in IPv6. That is to say,
failing to provide a subnetmask will create an object with
a mask of /128.
Additionally, an integer can be passed, so
IPv6Network('2001:db8::') ==
IPv6Network(42540766411282592856903984951653826560)
or, more generally
IPv6Network(int(IPv6Network('2001:db8::'))) ==
IPv6Network('2001:db8::')
strict: A boolean. If true, ensure that we have been passed
A true network address, eg, 2001:db8::1000/124 and not an
IP address on a network, eg, 2001:db8::1/124.
Raises:
AddressValueError: If address isn't a valid IPv6 address.
NetmaskValueError: If the netmask isn't valid for
an IPv6 address.
ValueError: If strict was True and a network address was not
supplied.
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zIPv6Network.hostsc C s | j jo| jjS )a` Test if the address is reserved for site-local.
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addresses as defined by RFC 4193.
Returns:
A boolean, True if the address is reserved per RFC 3513 2.5.6.
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2001:db8::/32z 2001:10::/28zfc00::/7z::/8z100::/8z200::/7z400::/6z800::/5z1000::/4z4000::/3z6000::/3z8000::/3zA000::/3zC000::/3zE000::/4zF000::/5zF800::/6zFE00::/9z fec0::/10N) r r r r r� r� r� r� r� r r r r
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