2014-09-29 06:16:52 +02:00
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"""
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Misc. IP tools: normalize, handle mapped addresses
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"""
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from netaddr import IPAddress
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def normalize_mapped_address(ipaddr):
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2014-09-29 11:31:22 +02:00
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"""
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Converts a IPv4-mapped IPv6 address into a IPv4 address. Handles both the
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::ffff:192.0.2.128 format as well as the deprecated ::192.0.2.128 format.
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2014-09-29 06:16:52 +02:00
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2014-09-29 11:31:22 +02:00
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:param ipaddr: IP address [str]
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:return: normalized IP address [str]
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"""
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ipaddr = IPAddress(ipaddr)
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2014-09-29 06:16:52 +02:00
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if ipaddr.is_ipv4_compat() or ipaddr.is_ipv4_mapped():
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ipaddr = ipaddr.ipv4()
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return str(ipaddr)
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2014-09-29 11:31:22 +02:00
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# currently, normalize_ip does no more than normalize_mapped_address:
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normalize_ip = normalize_mapped_address
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