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aiC#�@s�dZdZddlZdZdZGdd�de�ZGdd	�d	e�Zd
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dd�Zdd�Zdd�Zdd�Zdd �Zd!d"�ZGd#d$�d$�ZejGd%d&�d&e��ZejGd'd(�d(e��ZGd)d*�d*�ZGd+d,�d,ee�ZGd-d.�d.e�ZGd/d0�d0ee�ZGd1d2�d2�Zee_Gd3d4�d4�ZGd5d6�d6ee�ZGd7d8�d8e�Z Gd9d:�d:ee�Z!Gd;d<�d<�Z"e"e_dS)>z�A fast, lightweight IPv4/IPv6 manipulation library in Python.

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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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
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r<ccs�t|�}i}xL|rX|j�}|j�}|j|�}|dkr>|||<q||kr||=|j|�qWd}x4t|j��D]$}|dk	r�|j|jkr�ql|V|}qlWdS)auLoops through the addresses, collapsing concurrent netblocks.

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        ip4 = IPv4Network('192.0.2.192/26')

        _collapse_addresses_internal([ip1, ip2, ip3, ip4]) ->
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                 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)) =
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                 ip_network('2001:db8::2/127'),
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        .hostmask: IPv4Address('0.0.0.31')
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