Textualize · willmcgugan · Jul 29, 2023 · Jun 22, 2023 · Jul 29, 2023
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -15,6 +15,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Fix for escaping strings with a trailing backslash https://github.com/Textualize/rich/issues/2987
 - Fixed exception in Markdown with partial table https://github.com/Textualize/rich/issues/3053 
 - Fixed the HTML export template so that the `<html>` tag comes before the `<head>` tag https://github.com/Textualize/rich/issues/3021
+- Fixed issue with custom classes overwriting `__eq__` https://github.com/Textualize/rich/issues/2875
 
 ### Added
 

diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
@@ -13,6 +13,7 @@ The following people have contributed to the development of Rich:
 - [Ed Davis](https://github.com/davised)
 - [Pete Davison](https://github.com/pd93)
 - [James Estevez](https://github.com/jstvz)
+- [Aryaz Eghbali](https://github.com/AryazE)
 - [Oleksis Fraga](https://github.com/oleksis)
 - [Andy Gimblett](https://github.com/gimbo)
 - [Michał Górny](https://github.com/mgorny)

diff --git a/rich/repr.py b/rich/repr.py
@@ -76,7 +76,7 @@ def auto_rich_repr(self: Type[T]) -> Result:
                         param.POSITIONAL_OR_KEYWORD,
                         param.KEYWORD_ONLY,
                     ):
-                        if param.default == param.empty:
+                        if param.default is param.empty:
                             yield getattr(self, param.name)
                         else:
                             yield param.name, getattr(self, param.name), param.default

diff --git a/tests/test_repr.py b/tests/test_repr.py
@@ -6,6 +6,8 @@
 import rich.repr
 from rich.console import Console
 
+from inspect import Parameter
+
 skip_py37 = pytest.mark.skipif(
     sys.version_info.minor == 7 and sys.version_info.major == 3,
     reason="rendered differently on py3.7",
@@ -61,6 +63,38 @@ def __rich_repr__(self):
     __rich_repr__.angular = True
 
 
+class StupidClass:
+    def __init__(self, a):
+        self.a = a
+
+    def __eq__(self, other) -> bool:
+        if other is Parameter.empty:
+            return True
+        try:
+            return self.a == other.a
+        except Exception:
+            return False
+
+    def __ne__(self, other: object) -> bool:
+        return not self.__eq__(other)
+
+
+class NotStupid:
+    pass
+
+
+@rich.repr.auto
+class Bird:
+    def __init__(
+        self, name, eats, fly=True, another=StupidClass(2), extinct=NotStupid()
+    ):
+        self.name = name
+        self.eats = eats
+        self.fly = fly
+        self.another = another
+        self.extinct = extinct
+
+
 def test_rich_repr() -> None:
     assert (repr(Foo("hello"))) == "Foo('hello', 'hello', egg=1)"
     assert (repr(Foo("hello", bar=3))) == "Foo('hello', 'hello', bar=3, egg=1)"
@@ -90,6 +124,12 @@ def test_rich_angular() -> None:
 
 def test_rich_repr_auto() -> None:
     assert repr(Egg("hello", egg=2)) == "Egg('hello', egg=2)"
+    stupid_class = StupidClass(9)
+    not_stupid = NotStupid()
+    assert (
+        repr(Bird("penguin", ["fish"], another=stupid_class, extinct=not_stupid))
+        == f"Bird('penguin', ['fish'], another={repr(stupid_class)}, extinct={repr(not_stupid)})"
+    )
 
 
 def test_rich_repr_auto_angular() -> None: