# Copyright 2018 Joseph Wright <joseph@cloudboss.co>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# THE SOFTWARE.
import random
import ipaddress
[docs]def random_ipv4(cidr='10.0.0.0/8'):
"""
Return a random IPv4 address from the given CIDR block.
:key str cidr: CIDR block
:returns: An IPv4 address from the given CIDR block
:rtype: ipaddress.IPv4Address
"""
try:
u_cidr = unicode(cidr)
except NameError:
u_cidr = cidr
network = ipaddress.ip_network(u_cidr)
start = int(network.network_address) + 1
end = int(network.broadcast_address)
randint = random.randrange(start, end)
return ipaddress.ip_address(randint)