Remove an address from a larger block. For example: addr1 = ip_network('192.0.2.0/28') addr2 = ip_network('192.0.2.1/32') list(addr1.address_exclude(addr2)) = [IPv4Network('192.0.2.0/32'), IPv4Network('192.0.2.2/31'), IPv
(self, other)
| 789 | return self._prefixlen |
| 790 | |
| 791 | def address_exclude(self, other): |
| 792 | """Remove an address from a larger block. |
| 793 | |
| 794 | For example: |
| 795 | |
| 796 | addr1 = ip_network('192.0.2.0/28') |
| 797 | addr2 = ip_network('192.0.2.1/32') |
| 798 | list(addr1.address_exclude(addr2)) = |
| 799 | [IPv4Network('192.0.2.0/32'), IPv4Network('192.0.2.2/31'), |
| 800 | IPv4Network('192.0.2.4/30'), IPv4Network('192.0.2.8/29')] |
| 801 | |
| 802 | or IPv6: |
| 803 | |
| 804 | addr1 = ip_network('2001:db8::1/32') |
| 805 | addr2 = ip_network('2001:db8::1/128') |
| 806 | list(addr1.address_exclude(addr2)) = |
| 807 | [ip_network('2001:db8::1/128'), |
| 808 | ip_network('2001:db8::2/127'), |
| 809 | ip_network('2001:db8::4/126'), |
| 810 | ip_network('2001:db8::8/125'), |
| 811 | ... |
| 812 | ip_network('2001:db8:8000::/33')] |
| 813 | |
| 814 | Args: |
| 815 | other: An IPv4Network or IPv6Network object of the same type. |
| 816 | |
| 817 | Returns: |
| 818 | An iterator of the IPv(4|6)Network objects which is self |
| 819 | minus other. |
| 820 | |
| 821 | Raises: |
| 822 | TypeError: If self and other are of differing address |
| 823 | versions, or if other is not a network object. |
| 824 | ValueError: If other is not completely contained by self. |
| 825 | |
| 826 | """ |
| 827 | if not self.version == other.version: |
| 828 | raise TypeError("%s and %s are not of the same version" % ( |
| 829 | self, other)) |
| 830 | |
| 831 | if not isinstance(other, _BaseNetwork): |
| 832 | raise TypeError("%s is not a network object" % other) |
| 833 | |
| 834 | if not other.subnet_of(self): |
| 835 | raise ValueError('%s not contained in %s' % (other, self)) |
| 836 | if other == self: |
| 837 | return |
| 838 | |
| 839 | # Make sure we're comparing the network of other. |
| 840 | other = other.__class__('%s/%s' % (other.network_address, |
| 841 | other.prefixlen)) |
| 842 | |
| 843 | s1, s2 = self.subnets() |
| 844 | while s1 != other and s2 != other: |
| 845 | if other.subnet_of(s1): |
| 846 | yield s2 |
| 847 | s1, s2 = s1.subnets() |
| 848 | elif other.subnet_of(s2): |