Fix pivot_table duplicate indices with Python 3.14 + NumPy 1.26

.gitattributes

@@ -61,14 +61,13 @@ pandas/_version.py export-subst
 *.pxi export-ignore
 
 # Ignoring stuff from the top level
-.circleci export-ignore
 .github export-ignore
 asv_bench export-ignore
 ci export-ignore
 doc export-ignore
 gitpod export-ignore
 MANIFEST.in export-ignore
-scripts export-ignore
+scripts/** export-ignore
 typings export-ignore
 web export-ignore
 CITATION.cff export-ignore
@@ -82,3 +81,6 @@ setup.py export-ignore
 # csv_dir_path fixture checks the existence of the directory
 # exclude the whole directory to avoid running related tests in sdist
 pandas/tests/io/parser/data export-ignore
+
+# Include cibw script in sdist since it's needed for building wheels
+scripts/cibw_before_build.sh -export-ignore

.github/actions/run-tests/action.yml

@@ -1,20 +1,13 @@
 name: Run tests and report results
-inputs:
-  preload:
-    description: Preload arguments for sanitizer
-    required: false
-  asan_options:
-    description: Arguments for Address Sanitizer (ASAN)
-    required: false
 runs:
   using: composite
   steps:
     - name: Test
-      run: ${{ inputs.asan_options }} ${{ inputs.preload }} ci/run_tests.sh
+      run: ci/run_tests.sh
       shell: bash -el {0}
 
     - name: Publish test results
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: Test results
         path: test-data.xml

.github/actions/setup-conda/action.yml

@@ -14,3 +14,9 @@ runs:
         condarc-file: ci/.condarc
         cache-environment: true
         cache-downloads: true
+
+    - name: Uninstall pyarrow
+      if: ${{ env.REMOVE_PYARROW == '1' }}
+      run: |
+        micromamba remove -y pyarrow
+      shell: bash -el {0}

.github/workflows/code-checks.yml

@@ -4,11 +4,11 @@ on:
   push:
     branches:
       - main
-      - 2.1.x
+      - 2.3.x
   pull_request:
     branches:
       - main
-      - 2.1.x
+      - 2.3.x
 
 env:
   ENV_FILE: environment.yml
@@ -51,6 +51,11 @@ jobs:
     # TODO: The doctests have to be run first right now, since the Cython doctests only work
     # with pandas installed in non-editable mode
     # This can be removed once pytest-cython doesn't require C extensions to be installed inplace
+
+    - name: Extra installs
+      # https://pytest-qt.readthedocs.io/en/latest/troubleshooting.html#github-actions-azure-pipelines-travis-ci-and-gitlab-ci-cd
+      run: sudo apt-get update && sudo apt-get install -y libegl1 libopengl0
+
     - name: Run doctests
       run: cd ci && ./code_checks.sh doctests
       if: ${{ steps.build.outcome == 'success' && always() }}

.github/workflows/docbuild-and-upload.yml

@@ -4,13 +4,13 @@ on:
   push:
     branches:
       - main
-      - 2.1.x
+      - 2.3.x
     tags:
       - '*'
   pull_request:
     branches:
       - main
-      - 2.1.x
+      - 2.3.x
 
 env:
   ENV_FILE: environment.yml
@@ -46,6 +46,10 @@ jobs:
     - name: Build Pandas
       uses: ./.github/actions/build_pandas
 
+    - name: Extra installs
+      # https://pytest-qt.readthedocs.io/en/latest/troubleshooting.html#github-actions-azure-pipelines-travis-ci-and-gitlab-ci-cd
+      run: sudo apt-get update && sudo apt-get install -y libegl1 libopengl0
+
     - name: Test website
       run: python -m pytest web/
 

.github/workflows/package-checks.yml

@@ -4,11 +4,11 @@ on:
   push:
     branches:
       - main
-      - 2.1.x
+      - 2.3.x
   pull_request:
     branches:
       - main
-      - 2.1.x
+      - 2.3.x
     types: [ labeled, opened, synchronize, reopened ]
 
 permissions:
@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-22.04
     strategy:
       matrix:
-        extra: ["test", "performance", "computation", "fss", "aws", "gcp", "excel", "parquet", "feather", "hdf5", "spss", "postgresql", "mysql", "sql-other", "html", "xml", "plot", "output-formatting", "clipboard", "compression", "consortium-standard", "all"]
+        extra: ["test", "pyarrow", "performance", "computation", "fss", "aws", "gcp", "excel", "parquet", "feather", "hdf5", "spss", "postgresql", "mysql", "sql-other", "html", "xml", "plot", "output-formatting", "clipboard", "compression", "consortium-standard", "all"]
       fail-fast: false
     name: Install Extras - ${{ matrix.extra }}
     concurrency: