diff --git a/src/semver/version.py b/src/semver/version.py
index 2f1f8cb..0ff5b9f 100644
--- a/src/semver/version.py
+++ b/src/semver/version.py
@@ -41,7 +41,7 @@ def _comparator(operator: Comparator) -> Comparator:
@wraps(operator)
def wrapper(self: "Version", other: Comparable) -> bool:
comparable_types = (
- Version,
+ type(self),
dict,
tuple,
list,
diff --git a/tests/test_subclass.py b/tests/test_subclass.py
index b33f496..0d39000 100644
--- a/tests/test_subclass.py
+++ b/tests/test_subclass.py
@@ -1,4 +1,5 @@
from semver import Version
+import pytest
def test_subclass_from_versioninfo():
@@ -51,3 +52,20 @@ def __str__(self) -> str:
dev_version = version.replace(prerelease="dev.0")
assert str(dev_version) == "v1.1.0-dev.0"
+
+
+def test_compare_with_subclass():
+ class SemVerSubclass(Version):
+ pass
+
+ with pytest.raises(TypeError):
+ SemVerSubclass.parse("1.0.0").compare(Version.parse("1.0.0"))
+ assert Version.parse("1.0.0").compare(SemVerSubclass.parse("1.0.0")) == 0
+
+ assert (
+ SemVerSubclass.parse("1.0.0").__eq__(Version.parse("1.0.0")) is NotImplemented
+ )
+ assert Version.parse("1.0.0").__eq__(SemVerSubclass.parse("1.0.0")) is True
+
+ assert SemVerSubclass.parse("1.0.0") == Version.parse("1.0.0")
+ assert Version.parse("1.0.0") == SemVerSubclass.parse("1.0.0")
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