diff options
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/ipaddress.py | 58 |
1 files changed, 45 insertions, 13 deletions
diff --git a/Lib/ipaddress.py b/Lib/ipaddress.py index e398cc1..7d6edcf 100644 --- a/Lib/ipaddress.py +++ b/Lib/ipaddress.py @@ -1333,18 +1333,38 @@ class IPv4Address(_BaseV4, _BaseAddress): @property @functools.lru_cache() def is_private(self): - """Test if this address is allocated for private networks. + """``True`` if the address is defined as not globally reachable by + iana-ipv4-special-registry_ (for IPv4) or iana-ipv6-special-registry_ + (for IPv6) with the following exceptions: - Returns: - A boolean, True if the address is reserved per - iana-ipv4-special-registry. + * ``is_private`` is ``False`` for ``100.64.0.0/10`` + * For IPv4-mapped IPv6-addresses the ``is_private`` value is determined by the + semantics of the underlying IPv4 addresses and the following condition holds + (see :attr:`IPv6Address.ipv4_mapped`):: + + address.is_private == address.ipv4_mapped.is_private + ``is_private`` has value opposite to :attr:`is_global`, except for the ``100.64.0.0/10`` + IPv4 range where they are both ``False``. """ return any(self in net for net in self._constants._private_networks) @property @functools.lru_cache() def is_global(self): + """``True`` if the address is defined as globally reachable by + iana-ipv4-special-registry_ (for IPv4) or iana-ipv6-special-registry_ + (for IPv6) with the following exception: + + For IPv4-mapped IPv6-addresses the ``is_private`` value is determined by the + semantics of the underlying IPv4 addresses and the following condition holds + (see :attr:`IPv6Address.ipv4_mapped`):: + + address.is_global == address.ipv4_mapped.is_global + + ``is_global`` has value opposite to :attr:`is_private`, except for the ``100.64.0.0/10`` + IPv4 range where they are both ``False``. + """ return self not in self._constants._public_network and not self.is_private @property @@ -2049,13 +2069,19 @@ class IPv6Address(_BaseV6, _BaseAddress): @property @functools.lru_cache() def is_private(self): - """Test if this address is allocated for private networks. + """``True`` if the address is defined as not globally reachable by + iana-ipv4-special-registry_ (for IPv4) or iana-ipv6-special-registry_ + (for IPv6) with the following exceptions: - Returns: - A boolean, True if the address is reserved per - iana-ipv6-special-registry, or is ipv4_mapped and is - reserved in the iana-ipv4-special-registry. + * ``is_private`` is ``False`` for ``100.64.0.0/10`` + * For IPv4-mapped IPv6-addresses the ``is_private`` value is determined by the + semantics of the underlying IPv4 addresses and the following condition holds + (see :attr:`IPv6Address.ipv4_mapped`):: + + address.is_private == address.ipv4_mapped.is_private + ``is_private`` has value opposite to :attr:`is_global`, except for the ``100.64.0.0/10`` + IPv4 range where they are both ``False``. """ ipv4_mapped = self.ipv4_mapped if ipv4_mapped is not None: @@ -2064,12 +2090,18 @@ class IPv6Address(_BaseV6, _BaseAddress): @property def is_global(self): - """Test if this address is allocated for public networks. + """``True`` if the address is defined as globally reachable by + iana-ipv4-special-registry_ (for IPv4) or iana-ipv6-special-registry_ + (for IPv6) with the following exception: - Returns: - A boolean, true if the address is not reserved per - iana-ipv6-special-registry. + For IPv4-mapped IPv6-addresses the ``is_private`` value is determined by the + semantics of the underlying IPv4 addresses and the following condition holds + (see :attr:`IPv6Address.ipv4_mapped`):: + + address.is_global == address.ipv4_mapped.is_global + ``is_global`` has value opposite to :attr:`is_private`, except for the ``100.64.0.0/10`` + IPv4 range where they are both ``False``. """ return not self.is_private |