Add ipaddress types to Schema.TYPE_MAPPING (#2906)

* Add ipaddress types to Schema.TYPE_MAPPING

Map ipaddress.IPv4Address, IPv6Address, IPv4Interface, and
IPv6Interface to their corresponding marshmallow field classes
in Schema.TYPE_MAPPING, enabling automatic field resolution
for libraries like marshmallow_dataclass.

Closes #1695

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* remove unnecessary test

* update changelog

---------

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
Co-authored-by: Steven Loria <git@stevenloria.com>

Author: 3 people

CHANGELOG.rst

@@ -21,6 +21,11 @@ Bug fixes:
 - Fix typing of ``error_essages`` argument to `marshmallow.fields.Field` (:pr:`1636`).
   Thanks :user:`repole` for reporting and :user:`dhruvildarji` for the PR.
 
+Other changes:
+
+- Add ``ipaddress.*`` to `marshmallow.Schema.TYPE_MAPPING` (:issue:`1695`).
+  Thanks :user:`liberforce` for the suggestion and :user:`dhruvildarji` for the PR.
+
 4.2.2 (2026-02-04)
 ------------------
 

src/marshmallow/schema.py

@@ -8,6 +8,7 @@
 import decimal
 import functools
 import inspect
+import ipaddress
 import json
 import operator
 import typing
@@ -290,6 +291,10 @@ class AlbumSchema(Schema):
         dt.date: ma_fields.Date,
         dt.timedelta: ma_fields.TimeDelta,
         decimal.Decimal: ma_fields.Decimal,
+        ipaddress.IPv4Address: ma_fields.IPv4,
+        ipaddress.IPv6Address: ma_fields.IPv6,
+        ipaddress.IPv4Interface: ma_fields.IPv4Interface,
+        ipaddress.IPv6Interface: ma_fields.IPv6Interface,
     }
     #: Overrides for default schema-level error messages
     error_messages: dict[str, str] = {}