Use ipaddress standard library

- Remove IPAddress ESPHome Python class and use standard ipaddress from
  standard library

esphome/config_validation.py

@@ -3,6 +3,7 @@
 from contextlib import contextmanager
 from dataclasses import dataclass
 from datetime import datetime
+from ipaddress import AddressValueError, IPv4Address, ip_address
 import logging
 import os
 import re
@@ -66,7 +67,6 @@ from esphome.const import (
 from esphome.core import (
     CORE,
     HexInt,
-    IPAddress,
     Lambda,
     TimePeriod,
     TimePeriodMicroseconds,
@@ -1159,11 +1159,19 @@ def ssid(value):
 
 
 def ipv4address(value):
-    return IPAddress(value, allow_ipv6=False)
+    try:
+        address = IPv4Address(value)
+    except AddressValueError as exc:
+        raise Invalid(f"{value} is not a valid IPv4 address") from exc
+    return address
 
 
 def ipaddress(value):
-    return IPAddress(value, allow_ipv6=True)
+    try:
+        address = ip_address(value)
+    except ValueError as exc:
+        raise Invalid(f"{value} is not a valid IP address") from exc
+    return address
 
 
 def _valid_topic(value):

esphome/core/__init__.py

@@ -1,4 +1,3 @@
-import ipaddress
 import logging
 import math
 import os
@@ -55,17 +54,6 @@ class HexInt(int):
         return f"{sign}0x{value:X}"
 
 
-class IPAddress:
-    def __init__(self, arg, allow_ipv6=False):
-        if allow_ipv6:
-            self.args = str(ipaddress.ip_address(arg))
-        else:
-            self.args = str(ipaddress.IPv4Address(arg))
-
-    def __str__(self):
-        return self.args
-
-
 class MACAddress:
     def __init__(self, *parts):
         if len(parts) != 6:

esphome/yaml_util.py

@@ -4,6 +4,7 @@ import fnmatch
 import functools
 import inspect
 from io import TextIOWrapper
+from ipaddress import _BaseAddress
 import logging
 import math
 import os
@@ -25,7 +26,6 @@ from esphome.core import (
     CORE,
     DocumentRange,
     EsphomeError,
-    IPAddress,
     Lambda,
     MACAddress,
     TimePeriod,
@@ -576,7 +576,7 @@ ESPHomeDumper.add_multi_representer(bool, ESPHomeDumper.represent_bool)
 ESPHomeDumper.add_multi_representer(str, ESPHomeDumper.represent_stringify)
 ESPHomeDumper.add_multi_representer(int, ESPHomeDumper.represent_int)
 ESPHomeDumper.add_multi_representer(float, ESPHomeDumper.represent_float)
-ESPHomeDumper.add_multi_representer(IPAddress, ESPHomeDumper.represent_stringify)
+ESPHomeDumper.add_multi_representer(_BaseAddress, ESPHomeDumper.represent_stringify)
 ESPHomeDumper.add_multi_representer(MACAddress, ESPHomeDumper.represent_stringify)
 ESPHomeDumper.add_multi_representer(TimePeriod, ESPHomeDumper.represent_stringify)
 ESPHomeDumper.add_multi_representer(Lambda, ESPHomeDumper.represent_lambda)

tests/unit_tests/test_config_validation.py

@@ -1,12 +1,12 @@
-import pytest
 import string
 
-from hypothesis import given, example
+from hypothesis import example, given
-from hypothesis.strategies import one_of, text, integers, builds
+from hypothesis.strategies import builds, integers, ip_addresses, one_of, text
+import pytest
 
 from esphome import config_validation
 from esphome.config_validation import Invalid
-from esphome.core import CORE, Lambda, HexInt
+from esphome.core import CORE, HexInt, Lambda
 
 
 def test_check_not_templatable__invalid():
@@ -145,6 +145,28 @@ def test_boolean__invalid(value):
         config_validation.boolean(value)
 
 
+@given(value=ip_addresses(v=4).map(str))
+def test_ipv4__valid(value):
+    config_validation.ipv4address(value)
+
+
+@pytest.mark.parametrize("value", ("127.0.0", "localhost", ""))
+def test_ipv4__invalid(value):
+    with pytest.raises(Invalid, match="is not a valid IPv4 address"):
+        config_validation.ipv4address(value)
+
+
+@given(value=ip_addresses(v=6).map(str))
+def test_ipv6__valid(value):
+    config_validation.ipaddress(value)
+
+
+@pytest.mark.parametrize("value", ("127.0.0", "localhost", "", "2001:db8::2::3"))
+def test_ipv6__invalid(value):
+    with pytest.raises(Invalid, match="is not a valid IP address"):
+        config_validation.ipaddress(value)
+
+
 # TODO: ensure_list
 @given(integers())
 def hex_int__valid(value):

tests/unit_tests/test_core.py

@@ -1,7 +1,4 @@
-from ipaddress import AddressValueError
-
 from hypothesis import given
-from hypothesis.strategies import ip_addresses
 import pytest
 from strategies import mac_addr_strings
 
@@ -27,44 +24,6 @@ class TestHexInt:
         assert actual == expected
 
 
-class TestIP4Address:
-    @given(value=ip_addresses(v=4).map(str))
-    def test_init__valid(self, value):
-        core.IPAddress(value, allow_ipv6=False)
-
-    @pytest.mark.parametrize("value", ("127.0.0", "localhost", ""))
-    def test_init__invalid(self, value):
-        with pytest.raises((ValueError, AddressValueError)):
-            core.IPAddress(value, allow_ipv6=False)
-
-    @given(value=ip_addresses(v=4).map(str))
-    def test_str(self, value):
-        target = core.IPAddress(value, allow_ipv6=False)
-
-        actual = str(target)
-
-        assert actual == value
-
-
-class TestIP6Address:
-    @given(value=ip_addresses(v=6).map(str))
-    def test_init__valid(self, value):
-        core.IPAddress(value, allow_ipv6=True)
-
-    @pytest.mark.parametrize("value", ("127.0.0", "localhost", "", "2001:db8::2::3"))
-    def test_init__invalid(self, value):
-        with pytest.raises((ValueError, AddressValueError)):
-            core.IPAddress(value, allow_ipv6=True)
-
-    @given(value=ip_addresses(v=6).map(str))
-    def test_str(self, value):
-        target = core.IPAddress(value, allow_ipv6=True)
-
-        actual = str(target)
-
-        assert actual == value
-
-
 class TestMACAddress:
     @given(value=mac_addr_strings())
     def test_init__valid(self, value):