File pandas-pr62553-numexpr.patch of Package python-pandas
From 5fc3df37d772befbdba7cc2bd3e9ce572fe607c0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=81lvaro=20Kothe?= <kothe65@gmail.com>
Date: Fri, 3 Oct 2025 14:11:53 -0300
Subject: [PATCH] [backport 2.3.x] TST: remove expected warnings for new
`numexpr` version (#62553) (#62557)
---
pandas/tests/frame/test_arithmetic.py | 10 +++-
pandas/tests/series/test_arithmetic.py | 8 ++-
pandas/tests/test_expressions.py | 76 +++++++++++++++-----------
3 files changed, 60 insertions(+), 34 deletions(-)
diff --git a/pandas/tests/frame/test_arithmetic.py b/pandas/tests/frame/test_arithmetic.py
index 195126f1c5382..567183e45189e 100644
--- a/pandas/tests/frame/test_arithmetic.py
+++ b/pandas/tests/frame/test_arithmetic.py
@@ -12,6 +12,7 @@
import pytest
from pandas.compat import HAS_PYARROW
+from pandas.compat._optional import import_optional_dependency
import pandas.util._test_decorators as td
import pandas as pd
@@ -27,6 +28,7 @@
_check_mixed_float,
_check_mixed_int,
)
+from pandas.util.version import Version
@pytest.fixture
@@ -1092,6 +1094,8 @@ def test_binop_other(self, op, value, dtype, switch_numexpr_min_elements):
(operator.mod, "complex128"),
}
+ ne = import_optional_dependency("numexpr", errors="ignore")
+ ne_warns_on_op = ne is not None and Version(ne.__version__) < Version("2.13.1")
if (op, dtype) in invalid:
warn = None
if (dtype == "<M8[ns]" and op == operator.add) or (
@@ -1120,7 +1124,11 @@ def test_binop_other(self, op, value, dtype, switch_numexpr_min_elements):
elif (op, dtype) in skip:
if op in [operator.add, operator.mul]:
- if expr.USE_NUMEXPR and switch_numexpr_min_elements == 0:
+ if (
+ expr.USE_NUMEXPR
+ and switch_numexpr_min_elements == 0
+ and ne_warns_on_op
+ ):
# "evaluating in Python space because ..."
warn = UserWarning
else:
diff --git a/pandas/tests/series/test_arithmetic.py b/pandas/tests/series/test_arithmetic.py
index a65d7687cfb06..28f12476c9ef9 100644
--- a/pandas/tests/series/test_arithmetic.py
+++ b/pandas/tests/series/test_arithmetic.py
@@ -11,6 +11,7 @@
from pandas._libs import lib
from pandas._libs.tslibs import IncompatibleFrequency
+from pandas.compat._optional import import_optional_dependency
import pandas as pd
from pandas import (
@@ -26,7 +27,7 @@
import pandas._testing as tm
from pandas.core import ops
from pandas.core.computation import expressions as expr
-from pandas.core.computation.check import NUMEXPR_INSTALLED
+from pandas.util.version import Version
@pytest.fixture(autouse=True, params=[0, 1000000], ids=["numexpr", "python"])
@@ -353,9 +354,12 @@ def test_add_list_to_masked_array(self, val, dtype):
def test_add_list_to_masked_array_boolean(self, request):
# GH#22962
+ ne = import_optional_dependency("numexpr", errors="ignore")
warning = (
UserWarning
- if request.node.callspec.id == "numexpr" and NUMEXPR_INSTALLED
+ if request.node.callspec.id == "numexpr"
+ and ne
+ and Version(ne.__version__) < Version("2.13.1")
else None
)
ser = Series([True, None, False], dtype="boolean")
diff --git a/pandas/tests/test_expressions.py b/pandas/tests/test_expressions.py
index dfec99f0786eb..1ea16f96b73e7 100644
--- a/pandas/tests/test_expressions.py
+++ b/pandas/tests/test_expressions.py
@@ -4,6 +4,8 @@
import numpy as np
import pytest
+from pandas.compat._optional import import_optional_dependency
+
from pandas import option_context
import pandas._testing as tm
from pandas.core.api import (
@@ -12,6 +14,7 @@
Series,
)
from pandas.core.computation import expressions as expr
+from pandas.util.version import Version
@pytest.fixture
@@ -324,7 +327,7 @@ def test_bool_ops_raise_on_arithmetic(self, op_str, opname):
@pytest.mark.parametrize(
"op_str,opname", [("+", "add"), ("*", "mul"), ("-", "sub")]
)
- def test_bool_ops_warn_on_arithmetic(self, op_str, opname):
+ def test_bool_ops_warn_on_arithmetic(self, op_str, opname, monkeypatch):
n = 10
df = DataFrame(
{
@@ -343,36 +346,47 @@ def test_bool_ops_warn_on_arithmetic(self, op_str, opname):
# raises TypeError
return
- with tm.use_numexpr(True, min_elements=5):
- with tm.assert_produces_warning():
- r = f(df, df)
- e = fe(df, df)
- tm.assert_frame_equal(r, e)
-
- with tm.assert_produces_warning():
- r = f(df.a, df.b)
- e = fe(df.a, df.b)
- tm.assert_series_equal(r, e)
-
- with tm.assert_produces_warning():
- r = f(df.a, True)
- e = fe(df.a, True)
- tm.assert_series_equal(r, e)
-
- with tm.assert_produces_warning():
- r = f(False, df.a)
- e = fe(False, df.a)
- tm.assert_series_equal(r, e)
-
- with tm.assert_produces_warning():
- r = f(False, df)
- e = fe(False, df)
- tm.assert_frame_equal(r, e)
-
- with tm.assert_produces_warning():
- r = f(df, True)
- e = fe(df, True)
- tm.assert_frame_equal(r, e)
+ msg = "operator is not supported by numexpr"
+ ne = import_optional_dependency("numexpr", errors="ignore")
+ warning = (
+ UserWarning
+ if ne
+ and op_str in {"+", "*"}
+ and Version(ne.__version__) < Version("2.13.1")
+ else None
+ )
+ with monkeypatch.context() as m:
+ m.setattr(expr, "_MIN_ELEMENTS", 5)
+ with option_context("compute.use_numexpr", True):
+ with tm.assert_produces_warning(warning, match=msg):
+ r = f(df, df)
+ e = fe(df, df)
+ tm.assert_frame_equal(r, e)
+
+ with tm.assert_produces_warning(warning, match=msg):
+ r = f(df.a, df.b)
+ e = fe(df.a, df.b)
+ tm.assert_series_equal(r, e)
+
+ with tm.assert_produces_warning(warning, match=msg):
+ r = f(df.a, True)
+ e = fe(df.a, True)
+ tm.assert_series_equal(r, e)
+
+ with tm.assert_produces_warning(warning, match=msg):
+ r = f(False, df.a)
+ e = fe(False, df.a)
+ tm.assert_series_equal(r, e)
+
+ with tm.assert_produces_warning(warning, match=msg):
+ r = f(False, df)
+ e = fe(False, df)
+ tm.assert_frame_equal(r, e)
+
+ with tm.assert_produces_warning(warning, match=msg):
+ r = f(df, True)
+ e = fe(df, True)
+ tm.assert_frame_equal(r, e)
@pytest.mark.parametrize(
"test_input,expected",
