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��Yf�'�@s&dZdZddlZdZdZGdd�de�ZGdd	�d	e�Zd
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r/cCs,|dkr|St|||d@j��S)z�Count the number of zero bits on the right hand side.

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        [IPv4Network('192.0.2.0/25'), IPv4Network('192.0.2.128/31'),
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    Args:
        first: the first IPv4Address or IPv6Address in the range.
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    Returns:
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        ip4 = IPv4Network('192.0.2.192/26')

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                [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
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        Raises:
            TypeError: If self and other are of differing address
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            ValueError: If other is not completely contained by self.

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        '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')
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rP^sz_BaseNetwork._get_networks_keyr&Nc	cs%|j|jkr|VdS|dk	rg||jkrBtd��|dkrZtd��||j}|dkrtd��|j|}||jkr�td||f��t|j�}t|j�d}t|j�d|?}x4t|||�D] }|j||f�}|Vq�WdS)a�The subnets which join to make the current subnet.

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            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.

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        .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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              '2001:db8::'
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            strict: A boolean. If true, ensure that we have been passed
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r��szIPv6Network.hostscCs|jjo|jjS)a`Test if the address is reserved for site-local.

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