From 8fd8cf45723258dd69454c34f5687923f0d532ec Mon Sep 17 00:00:00 2001
From: Patrick Hoefler <61934744+phofl@users.noreply.github.com>
Date: Thu, 5 Oct 2023 00:01:18 +0200
Subject: [PATCH 1/6] Backport PR #55367 on branch 2.1.x (BUG: all not ignoring
 na when skipna=True) (#55407)

BUG: all not ignoring na when skipna=True (#55367)

* BUG: all not ignoring na when skipna=True

* Update v2.1.2.rst

(cherry picked from commit 364c9cb65acf47119dc251b25226ab415cc9a100)
---
 doc/source/whatsnew/v2.1.2.rst             | 1 +
 pandas/core/arrays/string_arrow.py         | 8 +++++---
 pandas/tests/reductions/test_reductions.py | 3 ++-
 3 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/doc/source/whatsnew/v2.1.2.rst b/doc/source/whatsnew/v2.1.2.rst
index c699ff2df1f30..524d71a56a2e6 100644
--- a/doc/source/whatsnew/v2.1.2.rst
+++ b/doc/source/whatsnew/v2.1.2.rst
@@ -26,6 +26,7 @@ Bug fixes
 - Fixed bug in :meth:`DataFrame.idxmin` and :meth:`DataFrame.idxmax` raising for arrow dtypes (:issue:`55368`)
 - Fixed bug in :meth:`DataFrame.interpolate` raising incorrect error message (:issue:`55347`)
 - Fixed bug in :meth:`Index.insert` raising when inserting ``None`` into :class:`Index` with ``dtype="string[pyarrow_numpy]"`` (:issue:`55365`)
+- Fixed bug in :meth:`Series.all`  and :meth:`Series.any` not treating missing values correctly for ``dtype="string[pyarrow_numpy]"`` (:issue:`55367`)
 - Silence ``Period[B]`` warnings introduced by :issue:`53446` during normal plotting activity (:issue:`55138`)
 -
 
diff --git a/pandas/core/arrays/string_arrow.py b/pandas/core/arrays/string_arrow.py
index 7e200dc8af374..7d282dc121332 100644
--- a/pandas/core/arrays/string_arrow.py
+++ b/pandas/core/arrays/string_arrow.py
@@ -571,9 +571,11 @@ def _reduce(
         self, name: str, *, skipna: bool = True, keepdims: bool = False, **kwargs
     ):
         if name in ["any", "all"]:
-            arr = pc.and_kleene(
-                pc.invert(pc.is_null(self._pa_array)), pc.not_equal(self._pa_array, "")
-            )
+            if not skipna and name == "all":
+                nas = pc.invert(pc.is_null(self._pa_array))
+                arr = pc.and_kleene(nas, pc.not_equal(self._pa_array, ""))
+            else:
+                arr = pc.not_equal(self._pa_array, "")
             return ArrowExtensionArray(arr)._reduce(
                 name, skipna=skipna, keepdims=keepdims, **kwargs
             )
diff --git a/pandas/tests/reductions/test_reductions.py b/pandas/tests/reductions/test_reductions.py
index 021252500e814..560b2377ada70 100644
--- a/pandas/tests/reductions/test_reductions.py
+++ b/pandas/tests/reductions/test_reductions.py
@@ -1087,7 +1087,8 @@ def test_any_all_pyarrow_string(self):
 
         ser = Series([None, "a"], dtype="string[pyarrow_numpy]")
         assert ser.any()
-        assert not ser.all()
+        assert ser.all()
+        assert not ser.all(skipna=False)
 
         ser = Series([None, ""], dtype="string[pyarrow_numpy]")
         assert not ser.any()

From c0f932b4cf5257cf5ddfb11c73df900c4d06e780 Mon Sep 17 00:00:00 2001
From: "Lumberbot (aka Jack)"
 <39504233+meeseeksmachine@users.noreply.github.com>
Date: Fri, 6 Oct 2023 15:51:27 +0200
Subject: [PATCH 2/6] Backport PR #55414 on branch 2.1.x (CI: Pin Cython)
 (#55418)

Backport PR #55414: CI: Pin Cython

Co-authored-by: Thomas Li <47963215+lithomas1@users.noreply.github.com>
---
 .github/workflows/unit-tests.yml           | 6 +++---
 ci/deps/actions-310.yaml                   | 2 +-
 ci/deps/actions-311-downstream_compat.yaml | 2 +-
 ci/deps/actions-311-numpydev.yaml          | 2 +-
 ci/deps/actions-311-pyarrownightly.yaml    | 2 +-
 ci/deps/actions-311.yaml                   | 2 +-
 ci/deps/actions-39-minimum_versions.yaml   | 2 +-
 ci/deps/actions-39.yaml                    | 2 +-
 ci/deps/actions-pypy-39.yaml               | 2 +-
 ci/deps/circle-310-arm64.yaml              | 2 +-
 10 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index c1a0352b5f5c0..96210d878fa43 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -236,7 +236,7 @@ jobs:
           . ~/virtualenvs/pandas-dev/bin/activate
           python -m pip install --no-cache-dir -U pip wheel setuptools meson[ninja]==1.2.1 meson-python==0.13.1
           python -m pip install numpy --config-settings=setup-args="-Dallow-noblas=true"
-          python -m pip install --no-cache-dir versioneer[toml] cython python-dateutil pytz pytest>=7.3.2 pytest-xdist>=2.2.0 pytest-asyncio>=0.17 hypothesis>=6.46.1
+          python -m pip install --no-cache-dir versioneer[toml] "cython<3.0.3" python-dateutil pytz pytest>=7.3.2 pytest-xdist>=2.2.0 pytest-asyncio>=0.17 hypothesis>=6.46.1
           python -m pip install --no-cache-dir --no-build-isolation -e .
           python -m pip list --no-cache-dir
           export PANDAS_CI=1
@@ -274,7 +274,7 @@ jobs:
           /opt/python/cp311-cp311/bin/python -m venv ~/virtualenvs/pandas-dev
           . ~/virtualenvs/pandas-dev/bin/activate
           python -m pip install --no-cache-dir -U pip wheel setuptools meson-python==0.13.1 meson[ninja]==1.2.1
-          python -m pip install --no-cache-dir versioneer[toml] cython numpy python-dateutil pytz pytest>=7.3.2 pytest-xdist>=2.2.0 pytest-asyncio>=0.17 hypothesis>=6.46.1
+          python -m pip install --no-cache-dir versioneer[toml] "cython<3.0.3" numpy python-dateutil pytz pytest>=7.3.2 pytest-xdist>=2.2.0 pytest-asyncio>=0.17 hypothesis>=6.46.1
           python -m pip install --no-cache-dir --no-build-isolation -e .
           python -m pip list --no-cache-dir
 
@@ -347,7 +347,7 @@ jobs:
           python -m pip install --upgrade pip setuptools wheel meson[ninja]==1.2.1 meson-python==0.13.1
           python -m pip install --pre --extra-index-url https://pypi.anaconda.org/scientific-python-nightly-wheels/simple numpy
           python -m pip install versioneer[toml]
-          python -m pip install python-dateutil pytz tzdata cython hypothesis>=6.46.1 pytest>=7.3.2 pytest-xdist>=2.2.0 pytest-cov pytest-asyncio>=0.17
+          python -m pip install python-dateutil pytz tzdata "cython<3.0.3" hypothesis>=6.46.1 pytest>=7.3.2 pytest-xdist>=2.2.0 pytest-cov pytest-asyncio>=0.17
           python -m pip install -ve . --no-build-isolation --no-index
           python -m pip list
 
diff --git a/ci/deps/actions-310.yaml b/ci/deps/actions-310.yaml
index 5db145e31ebc5..fe8115fa8458b 100644
--- a/ci/deps/actions-310.yaml
+++ b/ci/deps/actions-310.yaml
@@ -6,7 +6,7 @@ dependencies:
 
   # build dependencies
   - versioneer[toml]
-  - cython>=0.29.33
+  - cython>=0.29.33, <3.0.3
   - meson[ninja]=1.2.1
   - meson-python=0.13.1
 
diff --git a/ci/deps/actions-311-downstream_compat.yaml b/ci/deps/actions-311-downstream_compat.yaml
index 2d50056098a0f..36d6f6d223668 100644
--- a/ci/deps/actions-311-downstream_compat.yaml
+++ b/ci/deps/actions-311-downstream_compat.yaml
@@ -7,7 +7,7 @@ dependencies:
 
   # build dependencies
   - versioneer[toml]
-  - cython>=0.29.33
+  - cython>=0.29.33, <3.0.3
   - meson[ninja]=1.2.1
   - meson-python=0.13.1
 
diff --git a/ci/deps/actions-311-numpydev.yaml b/ci/deps/actions-311-numpydev.yaml
index 7fd3a65ec91f8..9795a1fb39c6f 100644
--- a/ci/deps/actions-311-numpydev.yaml
+++ b/ci/deps/actions-311-numpydev.yaml
@@ -8,7 +8,7 @@ dependencies:
   - versioneer[toml]
   - meson[ninja]=1.2.1
   - meson-python=0.13.1
-  - cython>=0.29.33
+  - cython>=0.29.33, <3.0.3
 
   # test dependencies
   - pytest>=7.3.2
diff --git a/ci/deps/actions-311-pyarrownightly.yaml b/ci/deps/actions-311-pyarrownightly.yaml
index 893341350f4ef..c259286a5359c 100644
--- a/ci/deps/actions-311-pyarrownightly.yaml
+++ b/ci/deps/actions-311-pyarrownightly.yaml
@@ -7,7 +7,7 @@ dependencies:
   # build dependencies
   - versioneer[toml]
   - meson[ninja]=1.2.1
-  - cython>=0.29.33
+  - cython>=0.29.33, <3.0.3
   - meson-python=0.13.1
 
   # test dependencies
diff --git a/ci/deps/actions-311.yaml b/ci/deps/actions-311.yaml
index d56fb9ac9fe90..d7ef86ac2aa6b 100644
--- a/ci/deps/actions-311.yaml
+++ b/ci/deps/actions-311.yaml
@@ -6,7 +6,7 @@ dependencies:
 
   # build dependencies
   - versioneer[toml]
-  - cython>=0.29.33
+  - cython>=0.29.33, <3.0.3
   - meson[ninja]=1.2.1
   - meson-python=0.13.1
 
diff --git a/ci/deps/actions-39-minimum_versions.yaml b/ci/deps/actions-39-minimum_versions.yaml
index 2a7312cefe619..91052f8805952 100644
--- a/ci/deps/actions-39-minimum_versions.yaml
+++ b/ci/deps/actions-39-minimum_versions.yaml
@@ -8,7 +8,7 @@ dependencies:
 
   # build dependencies
   - versioneer[toml]
-  - cython>=0.29.33
+  - cython>=0.29.33, <3.0.3
   - meson[ninja]=1.2.1
   - meson-python=0.13.1
 
diff --git a/ci/deps/actions-39.yaml b/ci/deps/actions-39.yaml
index 1843e6bd8005f..c4d7418b0a5b5 100644
--- a/ci/deps/actions-39.yaml
+++ b/ci/deps/actions-39.yaml
@@ -6,7 +6,7 @@ dependencies:
 
   # build dependencies
   - versioneer[toml]
-  - cython>=0.29.33
+  - cython>=0.29.33, <3.0.3
   - meson[ninja]=1.2.1
   - meson-python=0.13.1
 
diff --git a/ci/deps/actions-pypy-39.yaml b/ci/deps/actions-pypy-39.yaml
index 4923c94ab08f3..db0723cd3b8fa 100644
--- a/ci/deps/actions-pypy-39.yaml
+++ b/ci/deps/actions-pypy-39.yaml
@@ -9,7 +9,7 @@ dependencies:
 
   # build dependencies
   - versioneer[toml]
-  - cython>=0.29.33
+  - cython>=0.29.33, <3.0.3
   - meson[ninja]=1.2.1
   - meson-python=0.13.1
 
diff --git a/ci/deps/circle-310-arm64.yaml b/ci/deps/circle-310-arm64.yaml
index c893beced8fb4..2c5aebb794c46 100644
--- a/ci/deps/circle-310-arm64.yaml
+++ b/ci/deps/circle-310-arm64.yaml
@@ -6,7 +6,7 @@ dependencies:
 
   # build dependencies
   - versioneer[toml]
-  - cython>=0.29.33
+  - cython>=0.29.33, <3.0.3
   - meson[ninja]=1.2.1
   - meson-python=0.13.1
 

From 81a192b7b2976241850413a49a661cbc0d79ac58 Mon Sep 17 00:00:00 2001
From: "Lumberbot (aka Jack)"
 <39504233+meeseeksmachine@users.noreply.github.com>
Date: Sat, 7 Oct 2023 13:03:50 +0200
Subject: [PATCH 3/6] Backport PR #55380 on branch 2.1.x (CI: Exclude
 benchmarks directory when publishing docs) (#55434)

Backport PR #55380: CI: Exclude benchmarks directory when publishing docs

Co-authored-by: Marc Garcia <garcia.marc@gmail.com>
---
 .github/workflows/docbuild-and-upload.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/docbuild-and-upload.yml b/.github/workflows/docbuild-and-upload.yml
index e05f12ac6416a..6fa98ff352d38 100644
--- a/.github/workflows/docbuild-and-upload.yml
+++ b/.github/workflows/docbuild-and-upload.yml
@@ -67,7 +67,7 @@ jobs:
       run: cp doc/cheatsheet/Pandas_Cheat_Sheet* web/build/
 
     - name: Upload web
-      run: rsync -az --delete --exclude='pandas-docs' --exclude='docs' web/build/ web@${{ secrets.server_ip }}:/var/www/html
+      run: rsync -az --delete --exclude='pandas-docs' --exclude='docs' --exclude='benchmarks' web/build/ web@${{ secrets.server_ip }}:/var/www/html
       if: github.event_name == 'push' && github.ref == 'refs/heads/main'
 
     - name: Upload dev docs

From 748655093fa478aa9b44b6a5857161d07d077549 Mon Sep 17 00:00:00 2001
From: "Lumberbot (aka Jack)"
 <39504233+meeseeksmachine@users.noreply.github.com>
Date: Mon, 9 Oct 2023 21:40:35 +0200
Subject: [PATCH 4/6] Backport PR #55450 on branch 2.1.x (Bump
 pypa/cibuildwheel from 2.16.1 to 2.16.2) (#55457)

Backport PR #55450: Bump pypa/cibuildwheel from 2.16.1 to 2.16.2

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
---
 .github/workflows/wheels.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/wheels.yml b/.github/workflows/wheels.yml
index b156c3d9dfae7..6759f7b82eacf 100644
--- a/.github/workflows/wheels.yml
+++ b/.github/workflows/wheels.yml
@@ -138,7 +138,7 @@ jobs:
         run: echo "sdist_name=$(cd ./dist && ls -d */)" >> "$GITHUB_ENV"
 
       - name: Build wheels
-        uses: pypa/cibuildwheel@v2.16.1
+        uses: pypa/cibuildwheel@v2.16.2
         with:
          package-dir: ./dist/${{ matrix.buildplat[1] == 'macosx_*' && env.sdist_name || needs.build_sdist.outputs.sdist_file }}
         env:

From 423e7b9d6e7ca995154b88127a5623c04ca43892 Mon Sep 17 00:00:00 2001
From: "Lumberbot (aka Jack)"
 <39504233+meeseeksmachine@users.noreply.github.com>
Date: Tue, 10 Oct 2023 02:36:30 +0200
Subject: [PATCH 5/6] Backport PR #55460 on branch 2.1.x (COMPAT: Update old
 numpy aliases) (#55463)

Backport PR #55460: COMPAT: Update old numpy aliases

Co-authored-by: Matthew Roeschke <10647082+mroeschke@users.noreply.github.com>
---
 pandas/io/stata.py                                   |  2 +-
 pandas/tests/frame/constructors/test_from_records.py |  2 +-
 pandas/tests/frame/methods/test_select_dtypes.py     |  4 +---
 pandas/tests/frame/methods/test_to_records.py        |  2 +-
 pandas/tests/indexes/base_class/test_setops.py       | 10 +++++-----
 pandas/tests/io/json/test_pandas.py                  |  2 +-
 pandas/tests/reshape/concat/test_append.py           |  4 ++--
 pandas/tests/series/methods/test_astype.py           |  4 ++--
 8 files changed, 14 insertions(+), 16 deletions(-)

diff --git a/pandas/io/stata.py b/pandas/io/stata.py
index 5b190619c4ac3..0a02da09c9e15 100644
--- a/pandas/io/stata.py
+++ b/pandas/io/stata.py
@@ -977,7 +977,7 @@ def __init__(self) -> None:
         # with a label, but the underlying variable is -127 to 100
         # we're going to drop the label and cast to int
         self.DTYPE_MAP = dict(
-            list(zip(range(1, 245), [np.dtype("a" + str(i)) for i in range(1, 245)]))
+            [(i, np.dtype(f"S{i}")) for i in range(1, 245)]
             + [
                 (251, np.dtype(np.int8)),
                 (252, np.dtype(np.int16)),
diff --git a/pandas/tests/frame/constructors/test_from_records.py b/pandas/tests/frame/constructors/test_from_records.py
index 7dffa7bb242d5..55d4a6c3b39fa 100644
--- a/pandas/tests/frame/constructors/test_from_records.py
+++ b/pandas/tests/frame/constructors/test_from_records.py
@@ -281,7 +281,7 @@ def test_frame_from_records_utc(self):
 
     def test_from_records_to_records(self):
         # from numpy documentation
-        arr = np.zeros((2,), dtype=("i4,f4,a10"))
+        arr = np.zeros((2,), dtype=("i4,f4,S10"))
         arr[:] = [(1, 2.0, "Hello"), (2, 3.0, "World")]
 
         DataFrame.from_records(arr)
diff --git a/pandas/tests/frame/methods/test_select_dtypes.py b/pandas/tests/frame/methods/test_select_dtypes.py
index 67dd5b6217187..a38d2c6fd016a 100644
--- a/pandas/tests/frame/methods/test_select_dtypes.py
+++ b/pandas/tests/frame/methods/test_select_dtypes.py
@@ -339,9 +339,7 @@ def test_select_dtypes_datetime_with_tz(self):
         expected = df3.reindex(columns=[])
         tm.assert_frame_equal(result, expected)
 
-    @pytest.mark.parametrize(
-        "dtype", [str, "str", np.bytes_, "S1", "unicode", np.str_, "U1"]
-    )
+    @pytest.mark.parametrize("dtype", [str, "str", np.bytes_, "S1", np.str_, "U1"])
     @pytest.mark.parametrize("arg", ["include", "exclude"])
     def test_select_dtypes_str_raises(self, dtype, arg):
         df = DataFrame(
diff --git a/pandas/tests/frame/methods/test_to_records.py b/pandas/tests/frame/methods/test_to_records.py
index 7df52a1fb903f..27939856503e5 100644
--- a/pandas/tests/frame/methods/test_to_records.py
+++ b/pandas/tests/frame/methods/test_to_records.py
@@ -253,7 +253,7 @@ def test_to_records_with_categorical(self):
             ),
             # Pass in a dtype instance.
             (
-                {"column_dtypes": np.dtype("unicode")},
+                {"column_dtypes": np.dtype(np.str_)},
                 np.rec.array(
                     [("0", "1", "0.2", "a"), ("1", "2", "1.5", "bc")],
                     dtype=[
diff --git a/pandas/tests/indexes/base_class/test_setops.py b/pandas/tests/indexes/base_class/test_setops.py
index 21d1630af9de2..488f79eea0d11 100644
--- a/pandas/tests/indexes/base_class/test_setops.py
+++ b/pandas/tests/indexes/base_class/test_setops.py
@@ -182,7 +182,7 @@ def test_symmetric_difference(self):
                 "intersection",
                 np.array(
                     [(1, "A"), (2, "A"), (1, "B"), (2, "B")],
-                    dtype=[("num", int), ("let", "a1")],
+                    dtype=[("num", int), ("let", "S1")],
                 ),
                 False,
             ),
@@ -190,7 +190,7 @@ def test_symmetric_difference(self):
                 "intersection",
                 np.array(
                     [(1, "A"), (1, "B"), (2, "A"), (2, "B")],
-                    dtype=[("num", int), ("let", "a1")],
+                    dtype=[("num", int), ("let", "S1")],
                 ),
                 None,
             ),
@@ -198,7 +198,7 @@ def test_symmetric_difference(self):
                 "union",
                 np.array(
                     [(1, "A"), (1, "B"), (1, "C"), (2, "A"), (2, "B"), (2, "C")],
-                    dtype=[("num", int), ("let", "a1")],
+                    dtype=[("num", int), ("let", "S1")],
                 ),
                 None,
             ),
@@ -208,13 +208,13 @@ def test_tuple_union_bug(self, method, expected, sort):
         index1 = Index(
             np.array(
                 [(1, "A"), (2, "A"), (1, "B"), (2, "B")],
-                dtype=[("num", int), ("let", "a1")],
+                dtype=[("num", int), ("let", "S1")],
             )
         )
         index2 = Index(
             np.array(
                 [(1, "A"), (2, "A"), (1, "B"), (2, "B"), (1, "C"), (2, "C")],
-                dtype=[("num", int), ("let", "a1")],
+                dtype=[("num", int), ("let", "S1")],
             )
         )
 
diff --git a/pandas/tests/io/json/test_pandas.py b/pandas/tests/io/json/test_pandas.py
index 437012d836941..663d0a195fa55 100644
--- a/pandas/tests/io/json/test_pandas.py
+++ b/pandas/tests/io/json/test_pandas.py
@@ -599,7 +599,7 @@ def test_blocks_compat_GH9037(self):
         )
 
         # JSON deserialisation always creates unicode strings
-        df_mixed.columns = df_mixed.columns.astype("unicode")
+        df_mixed.columns = df_mixed.columns.astype(np.str_)
         data = StringIO(df_mixed.to_json(orient="split"))
         df_roundtrip = read_json(data, orient="split")
         tm.assert_frame_equal(
diff --git a/pandas/tests/reshape/concat/test_append.py b/pandas/tests/reshape/concat/test_append.py
index 386f363c81557..81ca227fb7afb 100644
--- a/pandas/tests/reshape/concat/test_append.py
+++ b/pandas/tests/reshape/concat/test_append.py
@@ -91,10 +91,10 @@ def test_append_length0_frame(self, sort):
         tm.assert_frame_equal(df5, expected)
 
     def test_append_records(self):
-        arr1 = np.zeros((2,), dtype=("i4,f4,a10"))
+        arr1 = np.zeros((2,), dtype=("i4,f4,S10"))
         arr1[:] = [(1, 2.0, "Hello"), (2, 3.0, "World")]
 
-        arr2 = np.zeros((3,), dtype=("i4,f4,a10"))
+        arr2 = np.zeros((3,), dtype=("i4,f4,S10"))
         arr2[:] = [(3, 4.0, "foo"), (5, 6.0, "bar"), (7.0, 8.0, "baz")]
 
         df1 = DataFrame(arr1)
diff --git a/pandas/tests/series/methods/test_astype.py b/pandas/tests/series/methods/test_astype.py
index b6c409397c9fb..03fc6cba2902a 100644
--- a/pandas/tests/series/methods/test_astype.py
+++ b/pandas/tests/series/methods/test_astype.py
@@ -403,12 +403,12 @@ def test_astype_unicode(self):
             #  bytes with obj.decode() instead of str(obj)
             item = "野菜食べないとやばい"
             ser = Series([item.encode()])
-            result = ser.astype("unicode")
+            result = ser.astype(np.str_)
             expected = Series([item])
             tm.assert_series_equal(result, expected)
 
         for ser in test_series:
-            res = ser.astype("unicode")
+            res = ser.astype(np.str_)
             expec = ser.map(str)
             tm.assert_series_equal(res, expec)
 

From 0ee6fc9b1a793cbfc087c4ced8f183dd4a4986f5 Mon Sep 17 00:00:00 2001
From: "Lumberbot (aka Jack)"
 <39504233+meeseeksmachine@users.noreply.github.com>
Date: Fri, 13 Oct 2023 02:57:33 +0200
Subject: [PATCH 6/6] Backport PR #55488 on branch 2.1.x (BLD: Pin numpy to <
 2) (#55500)

Backport PR #55488: BLD: Pin numpy to < 2

Co-authored-by: Thomas Li <47963215+lithomas1@users.noreply.github.com>
---
 .github/actions/build_pandas/action.yml    | 4 ++--
 .github/workflows/unit-tests.yml           | 2 +-
 ci/deps/actions-310.yaml                   | 2 +-
 ci/deps/actions-311-downstream_compat.yaml | 2 +-
 ci/deps/actions-311-pyarrownightly.yaml    | 2 +-
 ci/deps/actions-311.yaml                   | 2 +-
 ci/deps/actions-39-minimum_versions.yaml   | 2 +-
 ci/deps/actions-39.yaml                    | 2 +-
 ci/deps/actions-pypy-39.yaml               | 2 +-
 ci/deps/circle-310-arm64.yaml              | 2 +-
 environment.yml                            | 2 +-
 pyproject.toml                             | 8 ++++----
 requirements-dev.txt                       | 2 +-
 13 files changed, 17 insertions(+), 17 deletions(-)

diff --git a/.github/actions/build_pandas/action.yml b/.github/actions/build_pandas/action.yml
index 73d7723e2fb49..3ee10efaaf96f 100644
--- a/.github/actions/build_pandas/action.yml
+++ b/.github/actions/build_pandas/action.yml
@@ -25,8 +25,8 @@ runs:
     - name: Build Pandas
       run: |
         if [[ ${{ inputs.editable }} == "true" ]]; then
-          pip install -e . --no-build-isolation -v
+          pip install -e . --no-build-isolation -v --no-deps
         else
-          pip install . --no-build-isolation -v
+          pip install . --no-build-isolation -v --no-deps
         fi
       shell: bash -el {0}
diff --git a/.github/workflows/unit-tests.yml b/.github/workflows/unit-tests.yml
index 96210d878fa43..a7eead7aafbf7 100644
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -348,7 +348,7 @@ jobs:
           python -m pip install --pre --extra-index-url https://pypi.anaconda.org/scientific-python-nightly-wheels/simple numpy
           python -m pip install versioneer[toml]
           python -m pip install python-dateutil pytz tzdata "cython<3.0.3" hypothesis>=6.46.1 pytest>=7.3.2 pytest-xdist>=2.2.0 pytest-cov pytest-asyncio>=0.17
-          python -m pip install -ve . --no-build-isolation --no-index
+          python -m pip install -ve . --no-build-isolation --no-index --no-deps
           python -m pip list
 
       - name: Run Tests
diff --git a/ci/deps/actions-310.yaml b/ci/deps/actions-310.yaml
index fe8115fa8458b..1cbd6c24debb2 100644
--- a/ci/deps/actions-310.yaml
+++ b/ci/deps/actions-310.yaml
@@ -20,7 +20,7 @@ dependencies:
 
   # required dependencies
   - python-dateutil
-  - numpy
+  - numpy<2
   - pytz
 
   # optional dependencies
diff --git a/ci/deps/actions-311-downstream_compat.yaml b/ci/deps/actions-311-downstream_compat.yaml
index 36d6f6d223668..9ace8e10e0e28 100644
--- a/ci/deps/actions-311-downstream_compat.yaml
+++ b/ci/deps/actions-311-downstream_compat.yaml
@@ -21,7 +21,7 @@ dependencies:
 
   # required dependencies
   - python-dateutil
-  - numpy
+  - numpy<2
   - pytz
 
   # optional dependencies
diff --git a/ci/deps/actions-311-pyarrownightly.yaml b/ci/deps/actions-311-pyarrownightly.yaml
index c259286a5359c..1a770d74043bf 100644
--- a/ci/deps/actions-311-pyarrownightly.yaml
+++ b/ci/deps/actions-311-pyarrownightly.yaml
@@ -19,7 +19,7 @@ dependencies:
 
   # required dependencies
   - python-dateutil
-  - numpy
+  - numpy<2
   - pytz
   - pip
 
diff --git a/ci/deps/actions-311.yaml b/ci/deps/actions-311.yaml
index d7ef86ac2aa6b..57fcc2c859a5f 100644
--- a/ci/deps/actions-311.yaml
+++ b/ci/deps/actions-311.yaml
@@ -20,7 +20,7 @@ dependencies:
 
   # required dependencies
   - python-dateutil
-  - numpy
+  - numpy<2
   - pytz
 
   # optional dependencies
diff --git a/ci/deps/actions-39-minimum_versions.yaml b/ci/deps/actions-39-minimum_versions.yaml
index 91052f8805952..f340d17395d34 100644
--- a/ci/deps/actions-39-minimum_versions.yaml
+++ b/ci/deps/actions-39-minimum_versions.yaml
@@ -22,7 +22,7 @@ dependencies:
 
   # required dependencies
   - python-dateutil=2.8.2
-  - numpy=1.22.4
+  - numpy=1.22.4, <2
   - pytz=2020.1
 
   # optional dependencies
diff --git a/ci/deps/actions-39.yaml b/ci/deps/actions-39.yaml
index c4d7418b0a5b5..0e234a0de6969 100644
--- a/ci/deps/actions-39.yaml
+++ b/ci/deps/actions-39.yaml
@@ -20,7 +20,7 @@ dependencies:
 
   # required dependencies
   - python-dateutil
-  - numpy
+  - numpy<2
   - pytz
 
   # optional dependencies
diff --git a/ci/deps/actions-pypy-39.yaml b/ci/deps/actions-pypy-39.yaml
index db0723cd3b8fa..a2f4d6395783a 100644
--- a/ci/deps/actions-pypy-39.yaml
+++ b/ci/deps/actions-pypy-39.yaml
@@ -21,7 +21,7 @@ dependencies:
   - hypothesis>=6.46.1
 
   # required
-  - numpy
+  - numpy<2
   - python-dateutil
   - pytz
   - pip:
diff --git a/ci/deps/circle-310-arm64.yaml b/ci/deps/circle-310-arm64.yaml
index 2c5aebb794c46..6b091df00fae7 100644
--- a/ci/deps/circle-310-arm64.yaml
+++ b/ci/deps/circle-310-arm64.yaml
@@ -20,7 +20,7 @@ dependencies:
 
   # required dependencies
   - python-dateutil
-  - numpy
+  - numpy<2
   - pytz
 
   # optional dependencies
diff --git a/environment.yml b/environment.yml
index 6f80e9af58643..98c39378d1ae1 100644
--- a/environment.yml
+++ b/environment.yml
@@ -21,7 +21,7 @@ dependencies:
 
   # required dependencies
   - python-dateutil
-  - numpy
+  - numpy<2
   - pytz
 
   # optional dependencies
diff --git a/pyproject.toml b/pyproject.toml
index bfebb2762ff6e..e9e3e2f67e2f1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,7 @@ requires = [
     # we don't want to force users to compile with 1.25 though
     # (Ideally, in the future, though, oldest-supported-numpy can be dropped when our min numpy is 1.25.x)
     "oldest-supported-numpy>=2022.8.16; python_version<'3.12'",
-    "numpy>=1.26.0; python_version>='3.12'",
+    "numpy>=1.26.0,<2; python_version>='3.12'",
     "versioneer[toml]"
 ]
 
@@ -29,9 +29,9 @@ authors = [
 license = {file = 'LICENSE'}
 requires-python = '>=3.9'
 dependencies = [
-  "numpy>=1.22.4; python_version<'3.11'",
-  "numpy>=1.23.2; python_version=='3.11'",
-  "numpy>=1.26.0; python_version>='3.12'",
+  "numpy>=1.22.4,<2; python_version<'3.11'",
+  "numpy>=1.23.2,<2; python_version=='3.11'",
+  "numpy>=1.26.0,<2; python_version>='3.12'",
   "python-dateutil>=2.8.2",
   "pytz>=2020.1",
   "tzdata>=2022.1"
diff --git a/requirements-dev.txt b/requirements-dev.txt
index 01e537f7ea28f..855eaccfd4f5f 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -12,7 +12,7 @@ pytest-xdist>=2.2.0
 pytest-asyncio>=0.17.0
 coverage
 python-dateutil
-numpy
+numpy<2
 pytz
 beautifulsoup4>=4.11.1
 blosc