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ctj/ @ s d Z dZddlZdZdZG dd deZG dd d eZd
d Zd=d
dZ dd Z
dd Z dd Z dd Z
dd Zdd Zdd Zd d Zd d Zd!d" ZG d#d$ d$ZejG d%d& d&eZejG d'd( d(eZG d)d* d*ZG d+d, d,eeZG d-d. d.eZG d/d0 d0eeZG d1d2 d2Z e e_ G d3d4 d4Z G d5d6 d6e eZ G d7d8 d8e Z G d9d: d:e eZ!G d;d< d<Z"e"e _ dS )>zA fast, lightweight IPv4/IPv6 manipulation library in Python.
This library is used to create/poke/manipulate IPv4 and IPv6 addresses
and networks.
z1.0 N c @ s e Zd ZdZdS )AddressValueErrorz%A Value Error related to the address.N)__name__
__module__ __qualname____doc__ r r !/usr/lib64/python3.6/ipaddress.pyr s r c @ s e Zd ZdZdS )NetmaskValueErrorz%A Value Error related to the netmask.N)r r r r r r r r
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.
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 IPv4Address or IPv6Address object.
Raises:
ValueError: if the *address* passed isn't either a v4 or a v6
address
z0%r does not appear to be an IPv4 or IPv6 addressN) IPv4Addressr r IPv6Address
ValueError)addressr r r
ip_address s r Tc C sX y
t | |S ttfk
r" Y nX y
t| |S ttfk
rF Y nX td| dS )a Take an IP string/int and return an object of the correct type.
Args:
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:
ValueError: if the string passed isn't either a v4 or a v6
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 | j ddS tk
r( tdY 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.
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
OverflowErrorr )r r r r
v4_int_to_packedz s r c C s. y | j ddS tk
r( tdY nX dS )zRepresent an address as 16 packed bytes in network (big-endian) order.
Args:
address: An integer representation of an IPv6 IP address.
Returns:
The integer address packed as 16 bytes in network (big-endian) order.
r z&Address negative or too large for IPv6N)r r r )r r r r
v6_int_to_packed s
r c C s* t | jd}t|dkr&td| |S )zAHelper to split the netmask and raise AddressValueError if needed/ z Only one '/' permitted in %r)strsplitlenr )r addrr r r
_split_optional_netmask s r% c c sR t | }t| }}x.|D ]&}|j|jd kr<||fV |}|}qW ||fV dS )zFind a sequence of sorted deduplicated IPv#Address.
Args:
addresses: a list of IPv#Address objects.
Yields:
A tuple containing the first and last IP addresses in the sequence.
N)iternext_ip) addressesitfirstlastipr r r
_find_address_range s
r/ c C s$ | dkr |S t || | d @ j S )zCount the number of zero bits on the right hand side.
Args:
number: an integer.
bits: maximum number of bits to count.
Returns:
The number of zero bits on the right hand side of the number.
r r& )min
bit_length)Znumberbitsr r r
_count_righthand_zero_bits s r3 c c s t | tot |ts td| j|jkr8td| |f | |krHtd| jdkrXt}n| jdkrht}ntd| j}| j}|j}x^||krt t
|||| d j d }|||| f}|V |d|> 7 }|d |j krP qW 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)
isinstance _BaseAddress TypeErrorversionr r r _max_prefixlenr) r0 r3 r1 _ALL_ONES)r, r- r. Zip_bitsZ first_intZlast_intZnbitsnetr r r
summarize_address_range s0
r< c c s t | }i }xL|rX|j }|j }|j|}|dkr>|||< q||kr||= |j| qW d}x4t|j D ]$}|dk r|j|jkrql|V |}qlW dS )au Loops through the addresses, collapsing concurrent netblocks.
Example:
ip1 = IPv4Network('192.0.2.0/26')
ip2 = IPv4Network('192.0.2.64/26')
ip3 = IPv4Network('192.0.2.128/26')
ip4 = IPv4Network('192.0.2.192/26')
_collapse_addresses_internal([ip1, ip2, ip3, ip4]) ->
[IPv4Network('192.0.2.0/24')]
This shouldn't be called directly; it is called via
collapse_addresses([]).
Args:
addresses: A list of IPv4Network's or IPv6Network's
Returns:
A list of IPv4Network's or IPv6Network's depending on what we were
passed.
N)listpopsupernetgetappendsortedvaluesbroadcast_address)r* Zto_mergesubnetsr; r? Zexistingr- r r r
_collapse_addresses_internal s$
rF c C s8 g }g }g }x| D ]}t |trT|rH|d j|jkrHtd||d f |j| q|j|jkr|r|d j|jkrtd||d f y|j|j W q tk
r |j|j Y qX q|r|d j|jkrtd||d f |j| qW t
t |}|r,x&t |D ]\}}|j
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.
r& z%%s and %s are not of the same versionrG rG rG rG rG )r5 r6 _versionr7 rA
_prefixlenr9 r. AttributeErrornetwork_addressrB setr/ extendr< rF )r* ZaddrsZipsZnetsr. r, r- r r r
collapse_addresses2 s4
rN c C s( t | tr| j S t | tr$| j S tS )a2 Return a key suitable for sorting between networks and addresses.
Address and Network objects are not sortable by default; they're
fundamentally different so the expression
IPv4Address('192.0.2.0') <= IPv4Network('192.0.2.0/24')
doesn't make any sense. There are some times however, where you may wish
to have ipaddress sort these for you anyway. If you need to do this, you
can use this function as the key= argument to sorted().
Args:
obj: either a Network or Address object.
Returns:
appropriate key.
)r5 _BaseNetwork_get_networks_keyr6 _get_address_keyNotImplemented)objr r r
get_mixed_type_keyh s
rT c @ s e Zd ZdZf Zedd Zedd Zedd Zedd Z d
d Z
d d
Z e dd Z
e dd Ze dd Ze dd Ze dd Zdd ZdS )_IPAddressBasezThe mother class.c C s | j S )z:Return the longhand version of the IP address as a string.) _explode_shorthand_ip_string)selfr r r
exploded s z_IPAddressBase.explodedc C s t | S )z;Return the shorthand version of the IP address as a string.)r! )rW r r r
compressed s z_IPAddressBase.compressedc C s | j S )aI The name of the reverse DNS pointer for the IP address, e.g.:
>>> ipaddress.ip_address("127.0.0.1").reverse_pointer
'1.0.0.127.in-addr.arpa'
>>> ipaddress.ip_address("2001:db8::1").reverse_pointer
'1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.b.d.0.1.0.0.2.ip6.arpa'
)_reverse_pointer)rW r r r
reverse_pointer s z _IPAddressBase.reverse_pointerc C s dt | f }t|d S )Nz %200s has no version specified)typeNotImplementedError)rW msgr r r
r8 s z_IPAddressBase.versionc C sF |dk r d}t ||| jf || jkrBd}t ||| j| jf d S )Nr z-%d (< 0) is not permitted as an IPv%d addressz2%d (>= 2**%d) is not permitted as an IPv%d address)r rH r: r9 )rW r r^ r r r
_check_int_address s
z!_IPAddressBase._check_int_addressc C s. t |}||kr*d}t||||| jf d S )Nz6%r (len %d != %d) is not permitted as an IPv%d address)r# r rH )rW r Z expected_lenZ address_lenr^ r r r
_check_packed_address s
z$_IPAddressBase._check_packed_addressc C s | j | j |? A S )zTurn the prefix length into a bitwise netmask
Args:
prefixlen: An integer, the prefix length.
Returns:
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 }|j|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 sj t jj|s| j| y t|}W n tk
r@ | j| Y nX d| koV| jkn sf| j| |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
prefixlen_strrb r r r
_prefix_from_prefix_string s
z)_IPAddressBase._prefix_from_prefix_stringc C s y| j |}W n tk
r, | j| Y nX y
| j|S tk
rL Y nX || jN }y
| j|S tk
r | j| 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 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 rq r r r r
rU s
"rU c @ sd e Zd ZdZf Zdd Zdd Zdd Zdd Zd
d Z d d
Z
dd Z dd Z dd Z
dd ZdS )r6 zA generic IP object.
This IP class contains the version independent methods which are
used by single IP addresses.
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__) s
z_BaseAddress.__eq__c C sF t |tstS | 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 rv r r r
__lt__0 s
z_BaseAddress.__lt__c C s t |tstS | jt| | S )N)r5 rk rR rp )rW rv r r r
__add__< s
z_BaseAddress.__add__c C s t |tstS | jt| | S )N)r5 rk rR rp )rW rv r r r
__sub__A s
z_BaseAddress.__sub__c C s d| j jt| f S )Nz%s(%r))rp r r! )rW r r r
__repr__F s z_BaseAddress.__repr__c C s t | j| jS )N)r! _string_from_ip_intr) )rW r r r
__str__I s z_BaseAddress.__str__c C s t tt| jS )N)hashhexrk r) )rW r r r
__hash__L s z_BaseAddress.__hash__c C s
| j | fS )N)rH )rW r r r
rQ O s z _BaseAddress._get_address_keyc C s | j | jffS )N)rp r) )rW r r r
rq R s z_BaseAddress.__reduce__N)r r r r rr ru rw rx ry rz r{ r} r rQ rq r r r r
r6 s r6 c @ sH e Zd ZdZdd Zdd Zdd Zdd Zd
d Zd d
Z dd Z
dd Z dd Z dd Z
dd Zedd Zedd Zed d Zed d Zed d! Zed"d# Zed$d% Zed&d' Zd(d) Zd*d+ Zd,d- ZdBd0d1ZdCd2d3Z ed4d5 Z ed6d7 Z ed8d9 Z ed:d; Z edd? Z"ed@dA Z#d/S )DrO z~A generic IP network object.
This IP class contains the version independent methods which are
used by networks.
c C s
i | _ d S )N)_cache)rW r r r r
__init___ s z_BaseNetwork.__init__c C s d| j jt| f S )Nz%s(%r))rp r r! )rW r r r
r{ b s z_BaseNetwork.__repr__c C s d| j | jf S )Nz%s/%d)rK rb )rW r r r
r} e s z_BaseNetwork.__str__c c s< t | j}t | j}x"t|d |D ]}| j|V q$W dS )zGenerate Iterator over usable hosts in a network.
This is like __iter__ except it doesn't return the network
or broadcast addresses.
r& N)rk rK rD range_address_class)rW network broadcastxr r r
hostsh s
z_BaseNetwork.hostsc c s< t | j}t | j}x"t||d D ]}| j|V q$W d S )Nr& )rk rK rD r r )rW r r r r r r
__iter__t s
z_BaseNetwork.__iter__c C sl t | j}t | j}|dkr>|| |kr0td| j|| S |d7 }|| |k rZtd| j|| S d S )Nr zaddress out of ranger& )rk rK rD
IndexErrorr )rW nr r r r r
__getitem__z s
z_BaseNetwork.__getitem__c C s^ t |tstS | j|jkr*td| |f | j|jkrB| j|jk S | j|jkrZ| j|jk S dS )Nz%%s and %s are not of the same versionF)r5 rO rR rH r7 rK netmask)rW rv r r r
rx s
z_BaseNetwork.__lt__c C sF y,| j |j ko,| j|jko,t| jt|jkS tk
r@ tS X d S )N)rH rK rk r rJ rR )rW rv r r r
rw s z_BaseNetwork.__eq__c C s t t| jt| jA S )N)r~ rk rK r )rW r r r
r s z_BaseNetwork.__hash__c C sL | j |j krdS t|tr dS t| jt|j koBt| jkS S d S )NF)rH r5 rO rk rK r) rD )rW rv r r r
__contains__ s
z_BaseNetwork.__contains__c C s( | j |kp&| j|kp&|j | kp&|j| kS )z*Tell if self is partly contained in other.)rK rD )rW rv r r r
overlaps s
z_BaseNetwork.overlapsc C s< | j jd}|d kr8| jt| jt| jB }|| j d< |S )NrD )r r@ r rk rK hostmask)rW r r r r
rD s
z _BaseNetwork.broadcast_addressc C s8 | j jd}|d kr4| jt| j| jA }|| j d< |S )Nr )r r@ r rk r r: )rW r r r r
r s
z_BaseNetwork.hostmaskc C s d| j | jf S )Nz%s/%d)rK rI )rW r r r
with_prefixlen s z_BaseNetwork.with_prefixlenc C s d| j | jf S )Nz%s/%s)rK r )rW r r r
with_netmask s z_BaseNetwork.with_netmaskc C s d| j | jf S )Nz%s/%s)rK r )rW r r r
with_hostmask s z_BaseNetwork.with_hostmaskc C s t | jt | j d S )z&Number of hosts in the current subnet.r& )rk rD rK )rW r r r
num_addresses s z_BaseNetwork.num_addressesc C s dt | f }t|d S )Nz%%200s has no associated address class)r\ r] )rW r^ r r r
r s z_BaseNetwork._address_classc C s | j S )N)rI )rW r r r
rb s z_BaseNetwork.prefixlenc c sD | j |j ks td| |f t|ts2td| |j| jkoH|j| jksZtd|| f || krfdS |jd|j|jf }| j \}}x||ko||kr|j|jkr|j|jkr|V |j \}}q|j|jkr|j|jkr|V |j \}}qt
d|||f qW ||kr |V n$||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 rK rD r rp rb rE AssertionError)rW rv s1s2r r r
address_exclude s< $
z _BaseNetwork.address_excludec C s` | j |j kr td| |f | j|jk r,dS | j|jkr 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 typer& r rG rG )rH r7 rK r )rW rv r r r
compare_networks. s ! z _BaseNetwork.compare_networksc C s | j | j| jfS )zNetwork-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 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| jd }t| jd |? }x(t|||D ]}| j||f}|V qW 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 rp ) rW prefixlen_diff
new_prefix
new_prefixlenstartendstepZnew_addrZcurrentr r r
rE h s,
z_BaseNetwork.subnetsc C s | j dkr| S |dk rB|| j kr(td|dkr8td| j | }| j| }|dk rftd| j|f | jt| jt| j|> @ |fS )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 rp rk rK r )rW r r r r r r
r? s
z_BaseNetwork.supernetc C s | j jo| jjS )zTest 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 s | j jo| jjS )zTest 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 )zTest if the address is reserved for link-local.
Returns:
A boolean, True if the address is reserved per RFC 4291.
)rK
is_link_localrD )rW r r r
r s z_BaseNetwork.is_link_localc C s | j jo| jjS )zTest 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 )zTest 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 )zTest 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 )zTest if the address is a loopback address.
Returns:
A boolean, True if the address is a loopback address as defined in
RFC 2373 2.5.3.
)rK is_loopbackrD )rW r r r
r s z_BaseNetwork.is_loopback)r& N)r& N)$r r r r r r{ r} r r r rx rw r r r rs rD r r r r r r rb r r rP rE r? r r r r r r r r r r r
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The following methods are used by IPv4 objects in both single IP
addresses and networks.
r r r&
0123456789 r r c C s t | S )N)r! )rW r r r
rV 0 s z$_BaseV4._explode_shorthand_ip_stringc C sn || j krdt|tr|}n.y| j|}W n tk
rF | j|}Y nX t| j|}||f| j |< | j | S )a Make a (netmask, prefix_len) tuple from the given argument.
Argument can be:
- an integer (the prefix length)
- a string representing the prefix length (e.g. "24")
- a string representing the prefix netmask (e.g. "255.255.255.0")
)_netmask_cacher5 rk rl r ro r rc )ra argrb r r r r
_make_netmask3 s
z_BaseV4._make_netmaskc C s| |s t d|jd}t|dkr.t d| ytjt| j|dS tk
rv } zt d||f dW Y dd}~X nX dS )a Turn the given IP string into an integer for comparison.
Args:
ip_str: A string, the IP ip_str.
Returns:
The IP ip_str as an integer.
Raises:
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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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z_BaseV4._ip_int_from_stringc C s |s t d| jj|s(d}t || t|dkrDd}t || t|d}|dkrr|d dkrrd }t || |d
krt d | |S ) a Convert a decimal octet into an integer.
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octet_str: A string, the number to parse.
Returns:
The octet as an integer.
Raises:
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zEmpty octet not permittedz#Only decimal digits permitted in %r z$At most 3 characters permitted in %r
r 0z3Ambiguous (octal/decimal) value in %r not permittedr z Octet %d (> 255) not permitted)r ri rj r# rk )ra Z octet_strr^ Z octet_intr r r
r e s
z_BaseV4._parse_octetc C s dj tt|jddS )zTurns a 32-bit integer into dotted decimal notation.
Args:
ip_int: An integer, the IP address.
Returns:
The IP address as a string in dotted decimal notation.
r r r )joinr r! r )ra re r r r
r| s z_BaseV4._string_from_ip_intc C s |j d}t|dkry$x |D ]}t|| jkr dS q W W n tk
rN dS X x0t|D ]$\}}|dkrZ|||d krZdS qZW dS y t|}W n tk
r dS X d| ko| jkS S )zVerify that the netmask is valid.
Args:
netmask: A string, either a prefix or dotted decimal
netmask.
Returns:
A boolean, True if the prefix represents a valid IPv4
netmask.
r r Fr r& T)r" r# rk _valid_mask_octetsr enumerater9 )rW r maskr idxyr r r
_is_valid_netmask s"
z_BaseV4._is_valid_netmaskc sh |j d}y fddtt|D }W n tk
r: dS X t|t|krPdS |d |d k rddS dS ) zTest if the IP string is a hostmask (rather than a netmask).
Args:
ip_str: A string, the potential hostmask.
Returns:
A boolean, True if the IP string is a hostmask.
r c s g | ]}| j kr|qS r )r ).0r )rW r r
s z(_BaseV4._is_hostmask..Fr r& TrG )r" r rk r r# )rW rn r2 partsr )rW r
_is_hostmask s
z_BaseV4._is_hostmaskc C s& t | jdddd }dj|d S )zReturn the reverse DNS pointer name for the IPv4 address.
This implements the method described in RFC1035 3.5.
r Nr& z
.in-addr.arparG )r! r" r )rW Zreverse_octetsr r r
rZ s z_BaseV4._reverse_pointerc C s | j S )N)r9 )rW r r r
max_prefixlen s z_BaseV4.max_prefixlenc C s | j S )N)rH )rW r r r
r8 s z_BaseV4.versionN)r r r r rr rH
IPV4LENGTHr: frozensetri r r9 r rV rt r rm r r| r r rZ rs r r8 r r r r
rh s$ %
rh c @ s e Zd ZdZdZdd Zedd Zedd Zee j
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Z edd Z
edd Zedd Zedd ZdS )r z/Represent and manipulate single IPv4 Addresses.r) __weakref__c C sr t |tr | j| || _dS t |trF| j|d tj|d| _dS t|}d|krbtd| | j || _dS )a
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:
AddressValueError: If ipaddress isn't a valid IPv4 address.
Nr r r zUnexpected '/' in %r)
r5 rk r_ r) bytesr` r r! r rm )rW r addr_strr r r
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zIPv4Address.__init__c C s
t | jS )z*The binary representation of this address.)r r) )rW r r r
packed s zIPv4Address.packedc C s | | j jkS )zTest if the address is otherwise IETF reserved.
Returns:
A boolean, True if the address is within the
reserved IPv4 Network range.
)
_constants_reserved_network)rW r r r
r s zIPv4Address.is_reservedc s4 t fdd jjD o2t fdd jjD S )a ``True`` if the address is defined as not globally reachable by
iana-ipv4-special-registry_ (for IPv4) or iana-ipv6-special-registry_
(for IPv6) with the following exceptions:
* ``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``
IPv4 range where they are both ``False``.
c 3 s | ]} |kV qd S )Nr )r r; )rW r r
( s z)IPv4Address.is_private..c 3 s | ]} |kV qd S )Nr )r r; )rW r r
r ) s )anyr _private_networksall _private_networks_exceptions)rW r )rW r
r s zIPv4Address.is_privatec C s | | j jko| j S )ar ``True`` if the address is defined as globally reachable by
iana-ipv4-special-registry_ (for IPv4) or iana-ipv6-special-registry_
(for IPv6) with the following exception:
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_global == address.ipv4_mapped.is_global
``is_global`` has value opposite to :attr:`is_private`, except for the ``100.64.0.0/10``
IPv4 range where they are both ``False``.
)r _public_networkr )rW r r r
r , s zIPv4Address.is_globalc C s | | j jkS )zTest 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 > s zIPv4Address.is_multicastc C s | | j jkS )zTest 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 I s zIPv4Address.is_unspecifiedc C s | | j jkS )zTest 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 T s zIPv4Address.is_loopbackc C s | | j jkS )zTest 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 ^ s zIPv4Address.is_link_localN)r) r )r r r r rr r rs r r functools lru_cacher r r r r r r r r r
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zIPv4Interface.__init__c C s d| j | j| jjf S )Nz%s/%d)r| r) r rb )rW r r r
r} s zIPv4Interface.__str__c C sD t j| |}| s|tkr |S y | j|jkS tk
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address_equalr r r
rw s zIPv4Interface.__eq__c C sN t j| |}|tkrtS y | j|jk p4| j|jko4|S tk
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rx s zIPv4Interface.__lt__c C s t | j| jt| jjfS )N)r~ r) rI rk r rK )rW r r r
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t | jS )N)r r) )rW r r r
r. s zIPv4Interface.ipc C s d| j | j| jf S )Nz%s/%s)r| r) rI )rW r r r
r s z IPv4Interface.with_prefixlenc C s d| j | j| jf S )Nz%s/%s)r| r) r )rW r r r
r s zIPv4Interface.with_netmaskc C s d| j | j| jf S )Nz%s/%s)r| r) r )rW r r r
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r i s r c @ s2 e Zd ZdZeZdddZeej 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 j| | t|ttfr&|}| j}n^t|trT|d }t|dkrL|d n| j}n0t|}| j |d }t|dkr~|d n| j}t
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@ |kr|rtd| nt
|t| j
@ | _ | j| jd 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.
r r& r z%s has host bits setN)rO r r5 rk r r9 r r# r% rm r rK r r rI r r r )rW r r r$ r argsr r r r
r s( %
zIPv4Network.__init__c C s& | j tdko| jtdk o$| j S )zTest if this address is allocated for public networks.
Returns:
A boolean, True if the address is not reserved per
iana-ipv4-special-registry.
z
100.64.0.0/10)rK r rD r )rW r r r
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zIPv4Network.is_globalN)T) r r r r r r r rs r r r r r r r
r s
Cr c @ s e Zd ZedZedZedZedZededededededed ed
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e dZ dS )_IPv4Constantsz169.254.0.0/16z 127.0.0.0/8z 224.0.0.0/4z
100.64.0.0/10z 0.0.0.0/8z
10.0.0.0/8z
172.16.0.0/12z 192.0.0.0/24z192.0.0.170/31z 192.0.2.0/24z192.168.0.0/16z
198.18.0.0/15z198.51.100.0/24z203.0.113.0/24z 240.0.0.0/4z255.255.255.255/32z 192.0.0.9/32z
192.0.0.10/32z0.0.0.0N)
r r r r r r r r r r r r r r r r r
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dddZdd Zdd Zedd Zedd ZdS )_BaseV6zyBase IPv6 object.
The following methods are used by IPv6 objects in both single IP
addresses and networks.
r4 r r& rd Z0123456789ABCDEFabcdefc C sJ || j kr@t|tr|}n
| j|}t| j|}||f| j |< | j | S )a Make a (netmask, prefix_len) tuple from the given argument.
Argument can be:
- an integer (the prefix length)
- a string representing the prefix length (e.g. "24")
- a string representing the prefix netmask (e.g. "255.255.255.0")
)r r5 rk rl r
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z_BaseV6._make_netmaskc C s |s t d|jd}d}t||k r:d||f }t |d|d kryt|j j}W n4 t k
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? d @ |jd |d @ | jd }t||krd |d |f }t |d}xDtdt|d D ].} || s|dk r$d
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r } zt d||f dW Y dd}~X nX dS )zTurn an IPv6 ip_str into an integer.
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ip_str: A string, the IPv6 ip_str.
Returns:
An int, the IPv6 address
Raises:
AddressValueError: if ip_str isn't a valid IPv6 Address.
zAddress cannot be empty:r z At least %d parts expected in %rr r& z%s in %rNz%xr i 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 %rrG rG rG ) r r" r# r r> r) rA
_HEXTET_COUNTr
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parts_skippedre r r r
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z_BaseV6._ip_int_from_stringc C s> | j j|std| t|dkr4d}t|| t|dS )a& Convert an IPv6 hextet string into an integer.
Args:
hextet_str: A string, the number to parse.
Returns:
The hextet as an integer.
Raises:
ValueError: if the input isn't strictly a hex number from
[0..FFFF].
z Only hex digits permitted in %rr z$At most 4 characters permitted in %rr ) _HEX_DIGITSrj r r# rk )ra Z
hextet_strr^ r r r
r s z_BaseV6._parse_hextetc C s d}d}d}d}xJt |D ]>\}}|dkrP|d7 }|dkr>|}||krX|}|}qd}d}qW |dkr|| }|t|kr|dg7 }dg|||< |dkrdg| }|S ) a Compresses a list of hextets.
Compresses a list of strings, replacing the longest continuous
sequence of "0" in the list with "" and adding empty strings at
the beginning or at the end of the string such that subsequently
calling ":".join(hextets) will produce the compressed version of
the IPv6 address.
Args:
hextets: A list of strings, the hextets to compress.
Returns:
A list of strings.
r& r r rG rG rG rG )r r# ) ra hextetsZbest_doublecolon_startZbest_doublecolon_lenZdoublecolon_startZdoublecolon_lenindexZhextetZbest_doublecolon_endr r r
_compress_hextets s.
z_BaseV6._compress_hextetsNc sZ |dkrt | j}|| jkr$tdd| fddtdddD }| j|}d j|S )
a, Turns a 128-bit integer into hexadecimal notation.
Args:
ip_int: An integer, the IP address.
Returns:
A string, the hexadecimal representation of the address.
Raises:
ValueError: The address is bigger than 128 bits of all ones.
NzIPv6 address is too largez%032xc s& g | ] }d t ||d d qS )z%xr r )rk )r r )hex_strr r
r 3 s z/_BaseV6._string_from_ip_int..r r r r )rk r) r: r r r r )ra re r r )r r
r| s
z_BaseV6._string_from_ip_intc s t | trt| j}n t | tr,t| j}nt| }| j|}d| fddtdddD }t | ttfrddj || j
f S dj |S ) zExpand a shortened IPv6 address.
Args:
ip_str: A string, the IPv6 address.
Returns:
A string, the expanded IPv6 address.
z%032xc s g | ]} ||d qS )r r )r r )r r r
r K s z8_BaseV6._explode_shorthand_ip_string..r r r z%s/%dr ) r5 r r! rK r r. rm r rO r rI )rW rn re r r )r r
rV 8 s
z$_BaseV6._explode_shorthand_ip_stringc C s& | j ddd jdd}dj|d S )zReturn the reverse DNS pointer name for the IPv6 address.
This implements the method described in RFC3596 2.5.
Nr& r r r z .ip6.arparG )rX replacer )rW Z
reverse_charsr r r
rZ P s z_BaseV6._reverse_pointerc C s | j S )N)r9 )rW r r r
r Y s z_BaseV6.max_prefixlenc C s | j S )N)rH )rW r r r
r8 ] s z_BaseV6.version)N)r r r r rr rH
IPV6LENGTHr: r r r r9 r rt r rm r r r| rV rZ rs r r8 r r r r
r F s$ h 0 r c @ s e Zd ZdZd Zdd Zedd Zedd Zed
d Z ed d
Z
edd Z ee j
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z/Represent and manipulate single IPv6 Addresses.r) r c C sr t |tr | j| || _dS t |trF| j|d tj|d| _dS t|}d|krbtd| | j || _dS )a Instantiate a new IPv6 address object.
Args:
address: A string or integer representing the IP
Additionally, an integer can be passed, so
IPv6Address('2001:db8::') ==
IPv6Address(42540766411282592856903984951653826560)
or, more generally
IPv6Address(int(IPv6Address('2001:db8::'))) ==
IPv6Address('2001:db8::')
Raises:
AddressValueError: If address isn't a valid IPv6 address.
Nr r r zUnexpected '/' in %r)
r5 rk r_ r) r r` r r! r rm )rW r r r r r
r h s
zIPv6Address.__init__c C s
t | jS )z*The binary representation of this address.)r r) )rW r r r
r s zIPv6Address.packedc C s | | j jkS )zTest 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.
)r r )rW r r r
r s zIPv6Address.is_multicastc s t fdd jjD S )zTest if the address is otherwise IETF reserved.
Returns:
A boolean, True if the address is within one of the
reserved IPv6 Network ranges.
c 3 s | ]} |kV qd S )Nr )r r )rW r r
r s z*IPv6Address.is_reserved..)r r _reserved_networks)rW r )rW r
r s zIPv6Address.is_reservedc C s | | j jkS )zTest if the address is reserved for link-local.
Returns:
A boolean, True if the address is reserved per RFC 4291.
)r r )rW r r r
r s zIPv6Address.is_link_localc C s | | j jkS )a` Test if the address is reserved for site-local.
Note that the site-local address space has been deprecated by RFC 3879.
Use is_private to test if this address is in the space of unique local
addresses as defined by RFC 4193.
Returns:
A boolean, True if the address is reserved per RFC 3513 2.5.6.
)r _sitelocal_network)rW r r r
is_site_local s zIPv6Address.is_site_localc sH j }|dk r|jS t fdd jjD oFt fdd jjD S )a ``True`` if the address is defined as not globally reachable by
iana-ipv4-special-registry_ (for IPv4) or iana-ipv6-special-registry_
(for IPv6) with the following exceptions:
* ``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``
IPv4 range where they are both ``False``.
Nc 3 s | ]} |kV qd S )Nr )r r; )rW r r
r s z)IPv6Address.is_private..c 3 s | ]} |kV qd S )Nr )r r; )rW r r
r s ) ipv4_mappedr r r r r r )rW r r )rW r
r s
zIPv6Address.is_privatec C s | j S )ar ``True`` if the address is defined as globally reachable by
iana-ipv4-special-registry_ (for IPv4) or iana-ipv6-special-registry_
(for IPv6) with the following exception:
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_global == address.ipv4_mapped.is_global
``is_global`` has value opposite to :attr:`is_private`, except for the ``100.64.0.0/10``
IPv4 range where they are both ``False``.
)r )rW r r r
r s zIPv6Address.is_globalc C s
| j dkS )zTest if the address is unspecified.
Returns:
A boolean, True if this is the unspecified address as defined in
RFC 2373 2.5.2.
r )r) )rW r r r
r s zIPv6Address.is_unspecifiedc C s
| j dkS )zTest if the address is a loopback address.
Returns:
A boolean, True if the address is a loopback address as defined in
RFC 2373 2.5.3.
r& )r) )rW r r r
r s zIPv6Address.is_loopbackc C s | j d? dkrdS t| j d@ S )zReturn the IPv4 mapped address.
Returns:
If the IPv6 address is a v4 mapped address, return the
IPv4 mapped address. Return None otherwise.
r i Nl )r) r )rW r r r
r s zIPv6Address.ipv4_mappedc C s4 | j d? dkrdS t| j d? d@ t| j d@ fS )zTuple of embedded teredo IPs.
Returns:
Tuple of the (server, client) IPs or None if the address
doesn't appear to be a teredo address (doesn't start with
2001::/32)
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zIPv6Address.teredoc C s$ | j d? dkrdS t| j d? d@ S )zReturn the IPv4 6to4 embedded address.
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The IPv4 6to4-embedded address if present or None if the
address doesn't appear to contain a 6to4 embedded address.
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ddZdd 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
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@ | _ | j| jd kr| j| _dS )a Instantiate a new IPv6 Network object.
Args:
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.__init__c c s@ t | j}t | j}x&t|d |d D ]}| j|V q(W dS )zGenerate Iterator over usable hosts in a network.
This is like __iter__ except it doesn't return the
Subnet-Router anycast address.
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zIPv6Network.hostsc C s | j jo| jjS )a` Test if the address is reserved for site-local.
Note that the site-local address space has been deprecated by RFC 3879.
Use is_private to test if this address is in the space of unique local
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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ededededgZededededededededededed ed ed ed ed gZed!Z d"S )#_IPv6Constantsz fe80::/10zff00::/8z::1/128z::/128z
::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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