CI: Add regular 3.11 pipeline (#50696)

Author: phofl

.github/workflows/macos-windows.yml

@@ -31,7 +31,7 @@ jobs:
     strategy:
       matrix:
         os: [macos-latest, windows-latest]
-        env_file: [actions-38.yaml, actions-39.yaml, actions-310.yaml]
+        env_file: [actions-38.yaml, actions-39.yaml, actions-310.yaml, actions-311.yaml]
       fail-fast: false
     runs-on: ${{ matrix.os }}
     name: ${{ format('{0} {1}', matrix.os, matrix.env_file) }}

.github/workflows/python-dev.yml

@@ -23,12 +23,14 @@ name: Python Dev
 on:
   push:
     branches:
-      - main
-      - 1.5.x
+#      - main
+#      - 1.5.x
+      - None
   pull_request:
     branches:
-      - main
-      - 1.5.x
+#      - main
+#      - 1.5.x
+      - None
     paths-ignore:
       - "doc/**"
 

.github/workflows/ubuntu.yml

@@ -27,7 +27,7 @@ jobs:
     timeout-minutes: 180
     strategy:
       matrix:
-        env_file: [actions-38.yaml, actions-39.yaml, actions-310.yaml]
+        env_file: [actions-38.yaml, actions-39.yaml, actions-310.yaml, actions-311.yaml]
         pattern: ["not single_cpu", "single_cpu"]
         pyarrow_version: ["7", "8", "9", "10"]
         include:
@@ -92,6 +92,12 @@ jobs:
             pyarrow_version: "8"
           - env_file: actions-39.yaml
             pyarrow_version: "9"
+          - env_file: actions-311.yaml
+            pyarrow_version: "7"
+          - env_file: actions-311.yaml
+            pyarrow_version: "8"
+          - env_file: actions-311.yaml
+            pyarrow_version: "9"
       fail-fast: false
     name: ${{ matrix.name || format('{0} pyarrow={1} {2}', matrix.env_file, matrix.pyarrow_version, matrix.pattern) }}
     env:

ci/deps/actions-311.yaml

@@ -0,0 +1,57 @@
+name: pandas-dev
+channels:
+  - conda-forge
+dependencies:
+  - python=3.11
+
+  # build dependencies
+  - versioneer[toml]
+  - cython>=0.29.32
+
+  # test dependencies
+  - pytest>=7.0
+  - pytest-cov
+  - pytest-xdist>=2.2.0
+  - psutil
+  - pytest-asyncio>=0.17
+  - boto3
+
+  # required dependencies
+  - python-dateutil
+  - numpy<1.24.0
+  - pytz
+
+  # optional dependencies
+  - beautifulsoup4
+  - blosc
+  - bottleneck
+  - brotlipy
+  - fastparquet
+  - fsspec
+  - html5lib
+  - hypothesis
+  - gcsfs
+  - jinja2
+  - lxml
+  - matplotlib>=3.6.1
+  # - numba  not compatible with 3.11
+  - numexpr
+  - openpyxl
+  - odfpy
+  - pandas-gbq
+  - psycopg2
+  - pymysql
+  # - pytables>=3.8.0  # first version that supports 3.11
+  - pyarrow
+  - pyreadstat
+  - python-snappy
+  - pyxlsb
+  - s3fs>=2021.08.0
+  - scipy
+  - sqlalchemy<1.4.46
+  - tabulate
+  - tzdata>=2022a
+  - xarray
+  - xlrd
+  - xlsxwriter
+  - zstandard

pandas/tests/extension/test_arrow.py

@@ -26,6 +26,7 @@
 import pytest
 
 from pandas.compat import (
+    PY311,
     is_ci_environment,
     is_platform_windows,
     pa_version_under6p0,
@@ -49,7 +50,7 @@
 )
 from pandas.tests.extension import base
 
-pa = pytest.importorskip("pyarrow", minversion="1.0.1")
+pa = pytest.importorskip("pyarrow", minversion="6.0.0")
 
 from pandas.core.arrays.arrow.array import ArrowExtensionArray
 
@@ -287,7 +288,7 @@ def test_from_sequence_pa_array_notimplemented(self, request):
 
     def test_from_sequence_of_strings_pa_array(self, data, request):
         pa_dtype = data.dtype.pyarrow_dtype
-        if pa.types.is_time64(pa_dtype) and pa_dtype.equals("time64[ns]"):
+        if pa.types.is_time64(pa_dtype) and pa_dtype.equals("time64[ns]") and not PY311:
             request.node.add_marker(
                 pytest.mark.xfail(
                     reason="Nanosecond time parsing not supported.",