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 \7#@sdZdZddlZdZdZGdddeZGdd	d	eZd
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ddZddZddZddZdd Zd!d"ZGd#d$d$ZejGd%d&d&eZejGd'd(d(eZGd)d*d*ZGd+d,d,eeZGd-d.d.eZGd/d0d0eeZGd1d2d2Zee_Gd3d4d4ZGd5d6d6eeZGd7d8d8eZ Gd9d:d:eeZ!Gd;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.

z1.0N c@seZdZdZdS)AddressValueErrorz%A Value Error related to the address.N)__name__
__module____qualname____doc__r	r	!/usr/lib64/python3.6/ipaddress.pyrsrc@seZdZdZdS)NetmaskValueErrorz%A Value Error related to the netmask.N)rrrrr	r	r	r
rsrcCsTyt|Sttfk
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rBYnXtd|dS)aTake 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
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    Returns:
        An IPv4Address or IPv6Address object.

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    z0%r does not appear to be an IPv4 or IPv6 addressN)IPv4AddressrrIPv6Address
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ip_addresssrTcCsXy
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r"YnXy
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rFYnXtd|dS)aTake 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:
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ip_network9s

rcCsTyt|Sttfk
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rBYnXtd|dS)agTake an IP string/int and return an object of the correct type.

    Args:
        address: A string or integer, the IP address.  Either IPv4 or
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          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)
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ip_interfaceWsrcCs.y|jddStk
r(tdYnXdS)a`Represent an address as 4 packed bytes in network (big-endian) order.

    Args:
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    bigz&Address negative or too large for IPv4N)to_bytes
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v4_int_to_packedzsrcCs.y|jddStk
r(tdYnXdS)zRepresent an address as 16 packed bytes in network (big-endian) order.

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rcCs*t|jd}t|dkr&td||S)zAHelper to split the netmask and raise AddressValueError if needed/zOnly one '/' permitted in %r)strsplitlenr)raddrr	r	r
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r/cCs$|dkr|St|||d@jS)zCount the number of zero bits on the right hand side.

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||||djd}||||f}|V|d|>7}|d|jkrPqWdS)	aSummarize 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.
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    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 firstrzunknown IP versionr&N)
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r<ccst|}i}xL|rX|j}|j}|j|}|dkr>|||<q||kr||=|j|qWd}x4t|jD]$}|dk	r|j|jkrql|V|}qlWdS)auLoops 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

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rFcCs8g}g}g}x|D]}t|trT|rH|dj|jkrHtd||df|j|q|j|jkr|r|dj|jkrtd||dfy|j|jWqtk
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t||qWt||S)	aCollapse a list of IP objects.

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    Args:
        addresses: An iterator of IPv4Network or IPv6Network objects.

    Returns:
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rNcCs(t|tr|jSt|tr$|jStS)a2Return a key suitable for sorting between networks and addresses.

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    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
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    Args:
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            '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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z$_IPAddressBase._check_packed_addresscCs|j|j|?AS)zTurn the prefix length into a bitwise netmask

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r6sr6c@sHeZdZdZddZddZddZdd	Zd
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ddZeddZeddZeddZeddZed d!Zed"d#Zed$d%Zed&d'Zd(d)Zd*d+Zd,d-ZdBd0d1ZdCd2d3Zed4d5Zed6d7Zed8d9Zed:d;Z ed<d=Z!ed>d?Z"ed@dAZ#d/S)DrOz~A generic IP network object.

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r}esz_BaseNetwork.__str__ccs<t|j}t|j}x"t|d|D]}|j|Vq$WdS)zGenerate Iterator over usable hosts in a network.

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z_BaseNetwork.__getitem__cCs^t|tstS|j|jkr*td||f|j|jkrB|j|jkS|j|jkrZ|j|jkSdS)Nz%%s and %s are not of the same versionF)r5rOrRrHr7rKnetmask)rWrvr	r	r
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z_BaseNetwork.__contains__cCs(|j|kp&|j|kp&|j|kp&|j|kS)z*Tell if self is partly contained in other.)rKrD)rWrvr	r	r
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z_BaseNetwork.overlapscCs<|jjd}|dkr8|jt|jt|jB}||jd<|S)NrD)rr@rrkrKhostmask)rWrr	r	r
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z_BaseNetwork.broadcast_addresscCs8|jjd}|dkr4|jt|j|jA}||jd<|S)Nr)rr@rrkrr:)rWrr	r	r
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z_BaseNetwork.hostmaskcCsd|j|jfS)Nz%s/%d)rKrI)rWr	r	r
with_prefixlensz_BaseNetwork.with_prefixlencCsd|j|jfS)Nz%s/%s)rKr)rWr	r	r
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with_hostmasksz_BaseNetwork.with_hostmaskcCst|jt|jdS)z&Number of hosts in the current subnet.r&)rkrDrK)rWr	r	r

num_addressessz_BaseNetwork.num_addressescCsdt|f}t|dS)Nz%%200s has no associated address class)r\r])rWr^r	r	r
rsz_BaseNetwork._address_classcCs|jS)N)rI)rWr	r	r
rbsz_BaseNetwork.prefixlenccsD|j|jkstd||ft|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
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d|||fdS)aRemove an address from a larger block.

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            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:
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            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)rHr7r5rOrKrDrrprbrEAssertionError)rWrvs1s2r	r	r
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z_BaseNetwork.address_excludecCs`|j|jkrtd||f|j|jkr,dS|j|jkr<dS|j|jkrLdS|j|jkr\dSdS)aCompare two IP objects.

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        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 typer&rrGrG)rHr7rKr)rWrvr	r	r
compare_networks.s!z_BaseNetwork.compare_networkscCs|j|j|jfS)zNetwork-only key function.

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        and list.sort().

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rP^sz_BaseNetwork._get_networks_keyr&Nc	cs|j|jkr|VdS|dk	rJ||jkr0td|dkr@td||j}|dkrZtd|j|}||jkr~td||ft|j}t|jd}t|jd|?}x(t|||D]}|j||f}|VqWdS)aThe 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.
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        Nznew prefix must be longerr&z(cannot set prefixlen_diff and new_prefixrzprefix length diff must be > 0z0prefix length diff %d is invalid for netblock %s)	rIr9rrkrKrDrrrp)	rWprefixlen_diff
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z_BaseNetwork.subnetscCs|jdkr|S|dk	rB||jkr(td|dkr8td|j|}|j|}|dkrftd|j|f|jt|jt|j|>@|fS)aThe 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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              smaller network)

        rNznew prefix must be shorterr&z(cannot set prefixlen_diff and new_prefixz;current prefixlen is %d, cannot have a prefixlen_diff of %d)rIrrbrprkrKr)rWrrrr	r	r
r?s 



z_BaseNetwork.supernetcCs|jjo|jjS)zTest if the address is reserved for multicast use.

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rsrc@s2eZdZdZeZd
ddZddZeddZ	d	S)ravThis 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|jdkr|j|_dS)aInstantiate a new IPv6 Network object.

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              '2001:db8::'
              are all functionally the same in IPv6.  That is to say,
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              Additionally, an integer can be passed, so
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            strict: A boolean. If true, ensure that we have been passed
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            NetmaskValueError: If the netmask isn't valid for
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            ValueError: If strict was True and a network address was not
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zIPv6Network.__init__ccs@t|j}t|j}x&t|d|dD]}|j|Vq(WdS)zGenerate Iterator over usable hosts in a network.

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