feat: cache is_unspecified for zeroconf ip address objects (#1331)

feat: cache is_unspecified for zeroconf ip address objects (#1331) · python-zeroconf/python-zeroconf@a1c84dc

@@ -34,13 +34,14 @@

34343535class ZeroconfIPv4Address(IPv4Address):363637-__slots__ = ("_str", "_is_link_local")37+__slots__ = ("_str", "_is_link_local", "_is_unspecified")38383939def __init__(self, *args: Any, **kwargs: Any) -> None:4040"""Initialize a new IPv4 address."""4141super().__init__(*args, **kwargs)4242self._str = super().__str__()4343self._is_link_local = super().is_link_local44+self._is_unspecified = super().is_unspecified44454546def __str__(self) -> str:4647"""Return the string representation of the IPv4 address."""

@@ -51,16 +52,22 @@ def is_link_local(self) -> bool:

5152"""Return True if this is a link-local address."""5253return self._is_link_local535455+@property56+def is_unspecified(self) -> bool:57+"""Return True if this is an unspecified address."""58+return self._is_unspecified59+54605561class ZeroconfIPv6Address(IPv6Address):566257-__slots__ = ("_str", "_is_link_local")63+__slots__ = ("_str", "_is_link_local", "_is_unspecified")58645965def __init__(self, *args: Any, **kwargs: Any) -> None:6066"""Initialize a new IPv6 address."""6167super().__init__(*args, **kwargs)6268self._str = super().__str__()6369self._is_link_local = super().is_link_local70+self._is_unspecified = super().is_unspecified64716572def __str__(self) -> str:6673"""Return the string representation of the IPv6 address."""

@@ -71,6 +78,11 @@ def is_link_local(self) -> bool:

7178"""Return True if this is a link-local address."""7279return self._is_link_local738081+@property82+def is_unspecified(self) -> bool:83+"""Return True if this is an unspecified address."""84+return self._is_unspecified85+74867587@lru_cache(maxsize=512)7688def _cached_ip_addresses(address: Union[str, bytes, int]) -> Optional[Union[IPv4Address, IPv6Address]]: