univention.ipcalc package

univention.ipcalc package#

Univention IP Calculator for DNS records (IPv6 edition).

univention.ipcalc.calculate_ipv6_reverse(network: IPv4Interface | IPv6Interface) → str[source]#

Return reversed network part of IPv4 network.

>>> calculate_ipv6_reverse(IPv6Interface(u'0123:4567:89ab:cdef:0123:4567:89ab:cdef/0'))
'0'
>>> calculate_ipv6_reverse(IPv6Interface(u'0123:4567:89ab:cdef:0123:4567:89ab:cdef/1'))
'0'
>>> calculate_ipv6_reverse(IPv6Interface(u'0123:4567:89ab:cdef:0123:4567:89ab:cdef/4'))
'0'
>>> calculate_ipv6_reverse(IPv6Interface(u'0123:4567:89ab:cdef:0123:4567:89ab:cdef/16'))
'0123'
>>> calculate_ipv6_reverse(IPv6Interface(u'0123:4567:89ab:cdef:0123:4567:89ab:cdef/124'))
'0123:4567:89ab:cdef:0123:4567:89ab:cde'
>>> calculate_ipv6_reverse(IPv6Interface(u'0123:4567:89ab:cdef:0123:4567:89ab:cdef/128'))
'0123:4567:89ab:cdef:0123:4567:89ab:cde'
univention.ipcalc.calculate_ipv4_reverse(network: IPv4Interface | IPv6Interface) → str[source]#

Return reversed network part of IPv4 network.

>>> calculate_ipv4_reverse(IPv4Interface(u'1.2.3.4/0'))
'1'
>>> calculate_ipv4_reverse(IPv4Interface(u'1.2.3.4/8'))
'1'
>>> calculate_ipv4_reverse(IPv4Interface(u'1.2.3.4/16'))
'1.2'
>>> calculate_ipv4_reverse(IPv4Interface(u'1.2.3.4/24'))
'1.2.3'
>>> calculate_ipv4_reverse(IPv4Interface(u'1.2.3.4/32'))
'1.2.3'
univention.ipcalc.calculate_ipv6_network(network: IPv4Interface | IPv6Interface) → str[source]#

Return network part of IPv6 network.

>>> calculate_ipv6_network(IPv6Interface(u'0123:4567:89ab:cdef:0123:4567:89ab:cdef/0'))
''
>>> calculate_ipv6_network(IPv6Interface(u'0123:4567:89ab:cdef:0123:4567:89ab:cdef/1'))
''
>>> calculate_ipv6_network(IPv6Interface(u'0123:4567:89ab:cdef:0123:4567:89ab:cdef/4'))
'0'
>>> calculate_ipv6_network(IPv6Interface(u'0123:4567:89ab:cdef:0123:4567:89ab:cdef/16'))
'0123'
>>> calculate_ipv6_network(IPv6Interface(u'0123:4567:89ab:cdef:0123:4567:89ab:cdef/112'))
'0123:4567:89ab:cdef:0123:4567:89ab'
>>> calculate_ipv6_network(IPv6Interface(u'0123:4567:89ab:cdef:0123:4567:89ab:cdef/128'))
'0123:4567:89ab:cdef:0123:4567:89ab:cdef'
univention.ipcalc.calculate_ipv4_network(network: IPv4Interface | IPv6Interface) → str[source]#

Return network part of IPv4 network.

>>> calculate_ipv4_network(IPv4Interface(u'1.2.3.4/0'))
''
>>> calculate_ipv4_network(IPv4Interface(u'1.2.3.4/1'))
''
>>> calculate_ipv4_network(IPv4Interface(u'1.2.3.4/8'))
'1'
>>> calculate_ipv4_network(IPv4Interface(u'1.2.3.4/24'))
'1.2.3'
>>> calculate_ipv4_network(IPv4Interface(u'1.2.3.4/32'))
'1.2.3.4'
univention.ipcalc.calculate_ipv6_pointer(network: IPv4Interface | IPv6Interface) → str[source]#

Return host part of IPv6 network.

>>> calculate_ipv6_pointer(IPv6Interface(u'0123:4567:89ab:cdef:0123:4567:89ab:cdef/0'))
'f.e.d.c.b.a.9.8.7.6.5.4.3.2.1.0.f.e.d.c.b.a.9.8.7.6.5.4.3.2.1'
>>> calculate_ipv6_pointer(IPv6Interface(u'0123:4567:89ab:cdef:0123:4567:89ab:cdef/1'))
'f.e.d.c.b.a.9.8.7.6.5.4.3.2.1.0.f.e.d.c.b.a.9.8.7.6.5.4.3.2.1'
>>> calculate_ipv6_pointer(IPv6Interface(u'0123:4567:89ab:cdef:0123:4567:89ab:cdef/4'))
'f.e.d.c.b.a.9.8.7.6.5.4.3.2.1.0.f.e.d.c.b.a.9.8.7.6.5.4.3.2.1'
>>> calculate_ipv6_pointer(IPv6Interface(u'0123:4567:89ab:cdef:0123:4567:89ab:cdef/124'))
'f'
>>> calculate_ipv6_pointer(IPv6Interface(u'0123:4567:89ab:cdef:0123:4567:89ab:cdef/128'))
'f'
univention.ipcalc.calculate_ipv4_pointer(network: IPv4Interface | IPv6Interface) → str[source]#

Return host part of IPv4 network.

>>> calculate_ipv4_pointer(IPv4Interface(u'1.2.3.4/0'))
'4.3.2'
>>> calculate_ipv4_pointer(IPv4Interface(u'1.2.3.4/1'))
'4.3.2'
>>> calculate_ipv4_pointer(IPv4Interface(u'1.2.3.4/8'))
'4.3.2'
>>> calculate_ipv4_pointer(IPv4Interface(u'1.2.3.4/24'))
'4'
>>> calculate_ipv4_pointer(IPv4Interface(u'1.2.3.4/32'))
'4'
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