ignore warnings on 3.12

Author: twoertwein

tests/__init__.py

@@ -7,23 +7,29 @@
 )
 import os
 import platform
+import sys
 from typing import (
     TYPE_CHECKING,
     Final,
+    TypeVar,
 )
 
-import pandas as pd
-from pandas.util.version import Version
 import pytest
 
-from pandas._typing import T
+if sys.version_info < (3, 12):
+    import pandas as pd
+else:
+    with pytest.warns(DeprecationWarning, match="datetime.datetime.utcfromtimestamp"):
+        import pandas as pd
+from pandas.util.version import Version
 
+_T = TypeVar("_T")
 TYPE_CHECKING_INVALID_USAGE: Final = TYPE_CHECKING
 WINDOWS = os.name == "nt" or "cygwin" in platform.system().lower()
 PD_LTE_21 = Version(pd.__version__) < Version("2.1.999")
 
 
-def check(actual: T, klass: type, dtype: type | None = None, attr: str = "left") -> T:
+def check(actual: _T, klass: type, dtype: type | None = None, attr: str = "left") -> _T:
     if not isinstance(actual, klass):
         raise RuntimeError(f"Expected type '{klass}' but got '{type(actual)}'")
     if dtype is None:

tests/test_frame.py

@@ -14,6 +14,7 @@
 import io
 import itertools
 from pathlib import Path
+import platform
 import string
 from typing import (
     TYPE_CHECKING,
@@ -1821,24 +1822,30 @@ def test_frame_getitem_isin() -> None:
 def test_to_excel() -> None:
     df = pd.DataFrame(data={"col1": [1, 2], "col2": [3, 4]})
 
-    with ensure_clean() as path:
-        df.to_excel(path, engine="openpyxl")
-        check(assert_type(pd.read_excel(path), pd.DataFrame), pd.DataFrame)
-    with ensure_clean() as path:
-        df.to_excel(Path(path), engine="openpyxl")
-        check(assert_type(pd.read_excel(path), pd.DataFrame), pd.DataFrame)
-    with ensure_clean() as path:
-        df.to_excel(path, engine="openpyxl", startrow=1, startcol=1, header=False)
-        check(assert_type(pd.read_excel(path), pd.DataFrame), pd.DataFrame)
-    with ensure_clean() as path:
-        df.to_excel(path, engine="openpyxl", sheet_name="sheet", index=False)
-        check(assert_type(pd.read_excel(path), pd.DataFrame), pd.DataFrame)
-    with ensure_clean() as path:
-        df.to_excel(path, engine="openpyxl", header=["x", "y"])
-        check(assert_type(pd.read_excel(path), pd.DataFrame), pd.DataFrame)
-    with ensure_clean() as path:
-        df.to_excel(path, engine="openpyxl", columns=["col1"])
-        check(assert_type(pd.read_excel(path), pd.DataFrame), pd.DataFrame)
+    with pytest_warns_bounded(
+        DeprecationWarning,
+        match="datetime.datetime.utcnow",
+        lower="3.11",
+        version_str=platform.python_version(),
+    ):
+        with ensure_clean() as path:
+            df.to_excel(path, engine="openpyxl")
+            check(assert_type(pd.read_excel(path), pd.DataFrame), pd.DataFrame)
+        with ensure_clean() as path:
+            df.to_excel(Path(path), engine="openpyxl")
+            check(assert_type(pd.read_excel(path), pd.DataFrame), pd.DataFrame)
+        with ensure_clean() as path:
+            df.to_excel(path, engine="openpyxl", startrow=1, startcol=1, header=False)
+            check(assert_type(pd.read_excel(path), pd.DataFrame), pd.DataFrame)
+        with ensure_clean() as path:
+            df.to_excel(path, engine="openpyxl", sheet_name="sheet", index=False)
+            check(assert_type(pd.read_excel(path), pd.DataFrame), pd.DataFrame)
+        with ensure_clean() as path:
+            df.to_excel(path, engine="openpyxl", header=["x", "y"])
+            check(assert_type(pd.read_excel(path), pd.DataFrame), pd.DataFrame)
+        with ensure_clean() as path:
+            df.to_excel(path, engine="openpyxl", columns=["col1"])
+            check(assert_type(pd.read_excel(path), pd.DataFrame), pd.DataFrame)
 
 
 def test_join() -> None: