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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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and networks.
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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 address. Either IPv4 or
IPv6 addresses may be supplied; integers less than 2**32 will
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�r Tc C s\ z t | |�W S ttfk
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rJ 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
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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
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ip_network9 s �r c C sX z
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rF Y nX td| ��dS )ag 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 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.
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�r c C s0 z| � dd�W S tk
r* td��Y nX dS )a` Represent an address as 4 packed bytes in network (big-endian) order.
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address: An integer representation of an IPv4 IP address.
Returns:
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Raises:
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�
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r �v4_int_to_packedz s r c C s0 z| � dd�W 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 IPv6Nr 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
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r �_split_optional_netmask� s r( c c sN t | �}t|� }}|D ]&}|j|jd kr:||fV |}|}q||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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A tuple containing the first and last IP addresses in the sequence.
� N)�iter�next�_ip)� addresses�it�first�last�ipr
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r2 c C s$ | dkr |S t || | d @ �� �S )z�Count the number of zero bits on the right hand side.
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bit_length)Znumber�bitsr
r
r �_count_righthand_zero_bits� s r6 c c s� t | t�rt |t�s td��| j|jkr8td| |f ��| |krHtd��| jdkrXt}n| jdkrht}ntd��| j}| j}|j}||kr�t t
||�|| d � � d �}|||| f�}|V |d|> 7 }|d |j kr�q�q�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 networks�%%s and %s are not of the same versionz*last IP address must be greater than firstr � zunknown IP versionr) N)
�
isinstance� _BaseAddress� TypeError�versionr r r �_max_prefixlenr, r3 r6 r4 � _ALL_ONES)r/ r0 r1 Zip_bitsZ first_intZlast_intZnbits�netr
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� �
� r@ c c s� t | �}i }|rV|�� }|�� }|�|�}|dkr<|||< q ||kr ||= |�|� q d}t|�� �D ]$}|dk r�|j|jkr�qf|V |}qfdS )au Loops through the addresses, collapsing concurrent netblocks.
Example:
ip1 = IPv4Network('192.0.2.0/26')
ip2 = IPv4Network('192.0.2.64/26')
ip3 = IPv4Network('192.0.2.128/26')
ip4 = IPv4Network('192.0.2.192/26')
_collapse_addresses_internal([ip1, ip2, ip3, ip4]) ->
[IPv4Network('192.0.2.0/24')]
This shouldn't be called directly; it is called via
collapse_addresses([]).
Args:
addresses: A list of IPv4Network's or IPv6Network's
Returns:
A list of IPv4Network's or IPv6Network's depending on what we were
passed.
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rJ c C s0 g }g }g }| D ]�}t |t�rR|rF|d j|jkrFtd||d f ��|�|� q|j|jkr�|r�|d j|jkr�td||d f ��z|�|j� W q� tk
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t||�� �qt|| �S )a� Collapse a list of IP objects.
Example:
collapse_addresses([IPv4Network('192.0.2.0/25'),
IPv4Network('192.0.2.128/25')]) ->
[IPv4Network('192.0.2.0/24')]
Args:
addresses: An iterator of IPv4Network or IPv6Network objects.
Returns:
An iterator of the collapsed IPv(4|6)Network objects.
Raises:
TypeError: If passed a list of mixed version objects.
���r7 )r9 r: �_versionr; rE �
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� � � rR c C s( t | t�r| �� S t | t�r$| �� 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.
)r9 � _BaseNetwork�_get_networks_keyr: �_get_address_key�NotImplemented)�objr
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rX c @ s� e Zd ZdZdZedd� �Zedd� �Zedd� �Zed d
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c C s | � � S )z:Return the longhand version of the IP address as a string.)� _explode_shorthand_ip_string��selfr
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r �exploded� s z_IPAddressBase.explodedc C s t | �S )z;Return the shorthand version of the IP address as a string.�r$ r[ r
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compressed� s z_IPAddressBase.compressedc C s | � � S )aI The name of the reverse DNS pointer for the IP address, e.g.:
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'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'
)�_reverse_pointerr[ r
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r �reverse_pointer� s z _IPAddressBase.reverse_pointerc C s dt | �f }t|��d S )Nz %200s has no version specified��type�NotImplementedError�r\ �msgr
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r r< � 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 rL r> r= )r\ r rf r
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�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 rL )r\ r Z expected_lenZ address_lenrf 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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prefixlen: An integer, the prefix length.
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An integer.
)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)r6 r= r r ) ri �ip_intZtrailing_zeroesrj Z leading_onesZall_onesZbyteslenZdetailsrf r
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z"_IPAddressBase._prefix_from_ip_intc C s d| }t |�d �d S )Nz%r is not a valid netmask)r )ri Z netmask_strrf r
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r �_report_invalid_netmask� s z&_IPAddressBase._report_invalid_netmaskc C sl |� � r|�� s| �|� z t|�}W n tk
rD | �|� Y nX d| kr\| jkshn | �|� |S )a Return prefix length from a numeric string
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r )�isascii�isdigitro �intr r= )ri Z
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rN Y nX || jN }z | �|�W S tk
r� | �|� Y nX dS )a Turn a netmask/hostmask string into a prefix length
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ip_str: The netmask/hostmask to be converted
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An integer, the prefix length.
Raises:
NetmaskValueError: If the input is not a valid netmask/hostmask
N)�_ip_int_from_stringr ro rn r r> )ri �ip_strrm r
r
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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.
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address: Argument of Network/Interface.
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(addr, prefix) tuple.
r) r )r9 �bytesrr r= �tupler( r& )ri r r
r
r �_split_addr_prefix s
z!_IPAddressBase._split_addr_prefixc C s | j t| �ffS �N)� __class__r$ r[ r
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__reduce__/ s z_IPAddressBase.__reduce__N)r r r r � __slots__�propertyr] r_ ra r< rg rh � classmethodrk rn ro rs rv ry r| r
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rY c @ sd e Zd ZdZdZdd� Zdd� Zdd� Zd d
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dd� Z dd� Z dd� Z
dd� ZdS )r: z�A generic IP object.
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r
c C s | j S rz �r, r[ r
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r �__int__> s z_BaseAddress.__int__c C s8 z| j |j ko| j|jkW S tk
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�z_BaseAddress.__eq__c C sF t |t�stS | j|jkr*td| |f ��| j|jkrB| j|jk S dS �Nr7 F)r9 r: rV rL r; r, r� r
r
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� z_BaseAddress.__lt__c C s t |t�stS | �t| �| �S rz �r9 rr rV r{ r� r
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z_BaseAddress.__add__c C s t |t�stS | �t| �| �S rz r� r� r
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z_BaseAddress.__sub__c C s d| j jt| �f S �Nz%s(%r)�r{ r r$ r[ r
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r �__repr__^ s z_BaseAddress.__repr__c C s t | �| j��S rz )r$ �_string_from_ip_intr, r[ r
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r rU g s z _BaseAddress._get_address_keyc C s | j | jffS rz )r{ r, r[ r
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r r: 3 s r: c @ s` e Zd ZdZdd� Zdd� Zdd� Zdd � Zd
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dd� Z dd� Z dd� Z
ejdd� �Zejdd� �Zedd� �Zed d � �Zed d � �Zed d!� �Zed"d#� �Zed$d%� �Zd&d'� Zd(d)� Zd*d+� ZdFd.d/�Z dGd0d1�Z ed2d3� �Z e d4d5� �Z d6d7� Z!d8d9� Z"ed:d;� �Z#ed<d=� �Z$ed>d?� �Z%ed@dA� �Z&edBdC� �Z'edDdE� �Z(d-S )HrS z}A generic IP network object.
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c C s d| j jt| �f S r� r� r[ r
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r r� v s z_BaseNetwork.__repr__c C s d| j | jf S �N�%s/%d)rO rj r[ r
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r r� y s z_BaseNetwork.__str__c c s8 t | j�}t | j�}t|d |�D ]}| �|�V q"dS )z�Generate Iterator over usable hosts in a network.
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or broadcast addresses.
r) N�rr rO rH �range�_address_class�r\ �network� broadcast�xr
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z_BaseNetwork.hostsc c s8 t | j�}t | j�}t||d �D ]}| �|�V q"d S �Nr) r� r� r
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z_BaseNetwork.__iter__c C sl t | j�}t | j�}|dkr>|| |kr0td��| �|| �S |d7 }|| |k rZtd��| �|| �S d S )Nr zaddress out of ranger) )rr rO rH �
IndexErrorr� )r\ �nr� r� r
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��z_BaseNetwork.__eq__c C s t t| j�t| j�A �S rz )r� rr rO r� r[ r
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r
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z_BaseNetwork.__contains__c C s( | j |kp&| j|kp&|j | kp&|j| kS )z*Tell if self is partly contained in other.)rO rH r� r
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r �overlaps� s
�z_BaseNetwork.overlapsc C s | � t| j�t| j�B �S rz )r� rr rO �hostmaskr[ r
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r rH � s �z _BaseNetwork.broadcast_addressc C s | � t| j�| jA �S rz )r� rr r� r> r[ r
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r
r �with_prefixlen� s z_BaseNetwork.with_prefixlenc C s d| j | jf S �N�%s/%s)rO r� r[ r
r
r � with_netmask� s z_BaseNetwork.with_netmaskc C s d| j | jf S r� )rO r� r[ r
r
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with_hostmask� s z_BaseNetwork.with_hostmaskc C s t | j�t | j� d S )z&Number of hosts in the current subnet.r) )rr rH rO r[ r
r
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num_addresses� s z_BaseNetwork.num_addressesc C s dt | �f }t|��d S )Nz%%200s has no associated address classrb re r
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r rj � s z_BaseNetwork.prefixlenc c s | j |j ks td| |f ��t|t�s2td| ��|�| �sLtd|| f ��|| krXdS |�d|j|jf �}| � � \}}||kr�||kr�|�|�r�|V |� � \}}qz|�|�r�|V |� � \}}qzt
d|||f ��qz||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.
r7 z%s is not a network objectz%s not contained in %sNr� z3Error performing exclusion: s1: %s s2: %s other: %s) rL r; r9 rS � subnet_ofr r{ rO rj rI �AssertionError)r\ r� �s1�s2r
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r �address_exclude� s@ $ �
�
��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 typerK r) r )rL r; rO r� r� r
r
r �compare_networks6 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().
)rL rO r� r[ r
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r rT f 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 |? }t|||�D ]}| �||f�}|V q�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:
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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)
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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:
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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
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���z_BaseNetwork.supernetc C s | j jo| jjS �z�Test if the address is reserved for multicast use.
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)rO � is_loopbackrH r[ r
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or, more generally
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* ``is_private`` is ``False`` for ``100.64.0.0/10``
* For IPv4-mapped IPv6-addresses the ``is_private`` value is determined by the
semantics of the underlying IPv4 addresses and the following condition holds
(see :attr:`IPv6Address.ipv4_mapped`)::
address.is_private == address.ipv4_mapped.is_private
``is_private`` has value opposite to :attr:`is_global`, except for the ``100.64.0.0/10``
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r[ r r� � s �zIPv4Address.is_privatec C s | | j jko| j S �ar ``True`` if the address is defined as globally reachable by
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semantics of the underlying IPv4 addresses and the following condition holds
(see :attr:`IPv6Address.ipv4_mapped`)::
address.is_global == address.ipv4_mapped.is_global
``is_global`` has value opposite to :attr:`is_private`, except for the ``100.64.0.0/10``
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)r� �_public_networkr� r[ r
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r r� s zIPv4Address.is_globalc C s | | j jkS )z�Test if the address is reserved for multicast use.
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�r� �_linklocal_networkr[ r
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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 s� | � |�\� }t� �| _| �|�\| _| _t| j�}|t| j�@ |krl|rXtd| ��nt|t| j�@ �| _| j| jd kr�| j | _
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dS )a Instantiate a new IPv4 network object.
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address: A string or integer representing the IP [& network].
'192.0.2.0/24'
'192.0.2.0/255.255.255.0'
'192.0.2.0/0.0.0.255'
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.
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172.16.0.0/12z 192.0.0.0/24z192.0.0.170/31z 192.0.2.0/24z192.168.0.0/16z
198.18.0.0/15z198.51.100.0/24z203.0.113.0/24z 240.0.0.0/4z255.255.255.255/32z 192.0.0.9/32z
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sequence of "0" in the list with "" and adding empty strings at
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Returns:
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rK r r� r) � )� enumerater& ) ri �hextetsZbest_doublecolon_startZbest_doublecolon_lenZdoublecolon_startZdoublecolon_len�indexZhextetZbest_doublecolon_endr
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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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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 s� | � |�\� }t� �| _| �|�\| _| _t| j�}|t| j�@ |krl|rXtd| ��nt|t| j�@ �| _| j| jd kr�| j | _
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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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::ffff:0:0/96z64:ff9b:1::/48z100::/64z 2001::/23z
2001:db8::/32z 2002::/16zfc00::/7z
2001:1::1/128z
2001:1::2/128z 2001:3::/32z2001:4:112::/48z 2001:20::/28z 2001:30::/28z::/8z100::/8z200::/7z400::/6z800::/5z1000::/4z4000::/3z6000::/3z8000::/3zA000::/3zC000::/3zE000::/4zF000::/5zF800::/6zFE00::/9z fec0::/10N)
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