✅ Run Pydantic v1 tests only on Python < 3.14

tests/test_compat_params_v1.py

@@ -1,6 +1,13 @@
+import sys
 from typing import List, Optional
 
 import pytest
+
+from tests.utils import pydantic_snapshot, skip_module_if_py_gte_314
+
+if sys.version_info > (3, 13):
+    skip_module_if_py_gte_314()
+
 from fastapi import FastAPI
 from fastapi._compat._params_v1 import Body, Cookie, File, Form, Header, Path, Query
 from fastapi._compat.v1 import BaseModel
@@ -8,8 +15,6 @@ from fastapi.testclient import TestClient
 from inline_snapshot import snapshot
 from typing_extensions import Annotated
 
-from tests.utils import pydantic_snapshot
-
 
 class Item(BaseModel):
     name: str

tests/test_pydantic_v1_v2_01.py

@@ -1,12 +1,16 @@
+import sys
 from typing import Any, List, Union
 
+from tests.utils import pydantic_snapshot, skip_module_if_py_gte_314
+
+if sys.version_info > (3, 13):
+    skip_module_if_py_gte_314()
+
 from fastapi import FastAPI
 from fastapi._compat.v1 import BaseModel
 from fastapi.testclient import TestClient
 from inline_snapshot import snapshot
 
-from tests.utils import pydantic_snapshot
-
 
 class SubItem(BaseModel):
     name: str

tests/test_pydantic_v1_v2_list.py

@@ -1,12 +1,16 @@
+import sys
 from typing import Any, List, Union
 
+from tests.utils import pydantic_snapshot, skip_module_if_py_gte_314
+
+if sys.version_info > (3, 13):
+    skip_module_if_py_gte_314()
+
 from fastapi import FastAPI
 from fastapi._compat.v1 import BaseModel
 from fastapi.testclient import TestClient
 from inline_snapshot import snapshot
 
-from tests.utils import pydantic_snapshot
-
 
 class SubItem(BaseModel):
     name: str

tests/test_pydantic_v1_v2_mixed.py

@@ -1,13 +1,17 @@
+import sys
 from typing import Any, List, Union
 
+from tests.utils import pydantic_snapshot, skip_module_if_py_gte_314
+
+if sys.version_info > (3, 13):
+    skip_module_if_py_gte_314()
+
 from fastapi import FastAPI
 from fastapi._compat.v1 import BaseModel
 from fastapi.testclient import TestClient
 from inline_snapshot import snapshot
 from pydantic import BaseModel as NewBaseModel
 
-from tests.utils import pydantic_snapshot
-
 
 class SubItem(BaseModel):
     name: str

tests/test_pydantic_v1_v2_multifile/test_multifile.py

@@ -1,9 +1,14 @@
+import sys
+
+from tests.utils import pydantic_snapshot, skip_module_if_py_gte_314
+
+if sys.version_info > (3, 13):
+    skip_module_if_py_gte_314()
+
 from dirty_equals import IsPartialDict
 from fastapi.testclient import TestClient
 from inline_snapshot import snapshot
 
-from tests.utils import pydantic_snapshot
-
 from .main import app
 
 client = TestClient(app)

tests/test_pydantic_v1_v2_noneable.py

@@ -1,13 +1,17 @@
+import sys
 from typing import Any, List, Union
 
+from tests.utils import pydantic_snapshot, skip_module_if_py_gte_314
+
+if sys.version_info > (3, 13):
+    skip_module_if_py_gte_314()
+
 from fastapi import FastAPI
 from fastapi._compat.v1 import BaseModel
 from fastapi.testclient import TestClient
 from inline_snapshot import snapshot
 from pydantic import BaseModel as NewBaseModel
 
-from tests.utils import pydantic_snapshot
-
 
 class SubItem(BaseModel):
     name: str

tests/utils.py

@@ -15,6 +15,12 @@ needs_pydanticv2 = pytest.mark.skipif(not PYDANTIC_V2, reason="requires Pydantic
 needs_pydanticv1 = pytest.mark.skipif(PYDANTIC_V2, reason="requires Pydantic v1")
 
 
+def skip_module_if_py_gte_314():
+    """Skip entire module on Python 3.14+ at import time."""
+    if sys.version_info > (3, 13):
+        pytest.skip("requires python3.13-", allow_module_level=True)
+
+
 def pydantic_snapshot(
     *,
     v2: Snapshot,