Merge remote-tracking branch 'upstream/main' into cow-chained-detection-py314

Author: jorisvandenbossche

.github/workflows/broken-linkcheck.yml

@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0
 

.github/workflows/code-checks.yml

@@ -33,7 +33,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
       with:
         fetch-depth: 0
 
@@ -114,7 +114,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
       with:
         fetch-depth: 0
 
@@ -148,7 +148,7 @@ jobs:
         run: docker image prune -f
 
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0
 
@@ -169,7 +169,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0
 

.github/workflows/codeql.yml

@@ -27,7 +27,7 @@ jobs:
           - python
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - uses: github/codeql-action/init@v3
         with:
           languages: ${{ matrix.language }}

.github/workflows/comment-commands.yml

@@ -49,7 +49,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0
 

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

@@ -36,7 +36,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
       with:
         fetch-depth: 0
 

.github/workflows/package-checks.yml

@@ -34,7 +34,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0
 
@@ -58,7 +58,7 @@ jobs:
       cancel-in-progress: true
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0
 

.github/workflows/unit-tests.yml

@@ -139,7 +139,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v4
+      uses: actions/checkout@v5
       with:
         fetch-depth: 0
 
@@ -199,7 +199,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0
 
@@ -338,7 +338,7 @@ jobs:
       PYTEST_TARGET: pandas
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0
 
@@ -375,7 +375,7 @@ jobs:
       cancel-in-progress: true
     steps:
       - name: Checkout pandas Repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0
 

.github/workflows/wheels.yml

@@ -48,7 +48,7 @@ jobs:
       sdist_file: ${{ steps.save-path.outputs.sdist_name }}
     steps:
       - name: Checkout pandas
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0
 
@@ -119,7 +119,7 @@ jobs:
       IS_SCHEDULE_DISPATCH: ${{ github.event_name == 'schedule' || github.event_name == 'workflow_dispatch' }}
     steps:
       - name: Checkout pandas
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 0
 
@@ -137,7 +137,7 @@ jobs:
       # removes unnecessary files from the release
       - name: Download sdist (not macOS)
         #if: ${{ matrix.buildplat[1] != 'macosx_*' }}
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: sdist
           path: ./dist
@@ -160,7 +160,7 @@ jobs:
         run: echo "sdist_name=$(cd ./dist && ls -d */)" >> "$GITHUB_ENV"
 
       - name: Build wheels
-        uses: pypa/cibuildwheel@v3.1.3
+        uses: pypa/cibuildwheel@v3.1.4
         with:
          package-dir: ./dist/${{ startsWith(matrix.buildplat[1], 'macosx') && env.sdist_name || needs.build_sdist.outputs.sdist_file }}
         env:
@@ -189,7 +189,7 @@ jobs:
         # installing wheel here because micromamba step was skipped
         if: matrix.buildplat[1] == 'win_arm64'
         shell: bash -el {0}
-        run: python -m pip install wheel
+        run: python -m pip install wheel anaconda-client
 
       - name: Validate wheel RECORD
         shell: bash -el {0}

.pre-commit-config.yaml

@@ -19,7 +19,7 @@ ci:
     skip: [pyright, mypy]
 repos:
 -   repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.12.7
+    rev: v0.12.11
     hooks:
     -   id: ruff
         args: [--exit-non-zero-on-fix]
@@ -51,7 +51,7 @@ repos:
     -   id: cython-lint
     -   id: double-quote-cython-strings
 -   repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v5.0.0
+    rev: v6.0.0
     hooks:
     -   id: check-case-conflict
     -   id: check-toml
@@ -64,8 +64,6 @@ repos:
         args: [--fix=auto]
         exclude: ^pandas/tests/io/parser/data/utf16_ex.txt$
     -   id: fix-byte-order-marker
-    -   id: fix-encoding-pragma
-        args: [--remove]
     -   id: trailing-whitespace
         args: [--markdown-linebreak-ext=md]
 -   repo: https://github.com/PyCQA/isort
@@ -94,19 +92,19 @@ repos:
     - id: sphinx-lint
       args: ["--enable", "all", "--disable", "line-too-long"]
 -   repo: https://github.com/pre-commit/mirrors-clang-format
-    rev: v20.1.8
+    rev: v21.1.0
     hooks:
     - id: clang-format
       files: ^pandas/_libs/src|^pandas/_libs/include
       args: [-i]
       types_or: [c, c++]
 -   repo: https://github.com/trim21/pre-commit-mirror-meson
-    rev: v1.8.3
+    rev: v1.9.0
     hooks:
     - id: meson-fmt
       args: ['--inplace']
 -   repo: https://github.com/shellcheck-py/shellcheck-py
-    rev: v0.10.0.1
+    rev: v0.11.0.1
     hooks:
     -   id: shellcheck
         args: ["--severity=warning"]
@@ -121,7 +119,7 @@ repos:
         types: [python]
         stages: [manual]
         additional_dependencies: &pyright_dependencies
-        - pyright@1.1.383
+        - pyright@1.1.404
     -   id: pyright
         # note: assumes python env is setup and activated
         name: pyright reportGeneralTypeIssues
@@ -266,6 +264,11 @@ repos:
         language: python
         entry: python scripts/validate_unwanted_patterns.py --validation-type="nodefault_used_not_only_for_typing"
         types: [python]
+    -   id: unwanted-patterns-doesnt-use-pandas-warnings
+        name: Check that warning classes for deprecations use pandas' warning classes
+        language: python
+        entry: python scripts/validate_unwanted_patterns.py --validation-type="doesnt_use_pandas_warnings"
+        types: [ python ]
     -   id: no-return-exception
         name: Use raise instead of return for exceptions
         language: pygrep

README.md

@@ -19,9 +19,9 @@
 **pandas** is a Python package that provides fast, flexible, and expressive data
 structures designed to make working with "relational" or "labeled" data both
 easy and intuitive. It aims to be the fundamental high-level building block for
-doing practical, **real world** data analysis in Python. Additionally, it has
-the broader goal of becoming **the most powerful and flexible open source data
-analysis / manipulation tool available in any language**. It is already well on
+doing practical, **real-world** data analysis in Python. Additionally, it has
+the broader goal of becoming **the most powerful and flexible open-source data
+analysis/manipulation tool available in any language**. It is already well on
 its way towards this goal.
 
 ## Table of Contents
@@ -64,7 +64,7 @@ Here are just a few of the things that pandas does well:
     data sets
   - [**Hierarchical**][mi] labeling of axes (possible to have multiple
     labels per tick)
-  - Robust IO tools for loading data from [**flat files**][flat-files]
+  - Robust I/O tools for loading data from [**flat files**][flat-files]
     (CSV and delimited), [**Excel files**][excel], [**databases**][db],
     and saving/loading data from the ultrafast [**HDF5 format**][hdfstore]
   - [**Time series**][timeseries]-specific functionality: date range
@@ -138,7 +138,7 @@ or for installing in [development mode](https://pip.pypa.io/en/latest/cli/pip_in
 
 
 ```sh
-python -m pip install -ve . --no-build-isolation -Ceditable-verbose=true
+python -m pip install -ve . --no-build-isolation --config-settings editable-verbose=true
 ```
 
 See the full instructions for [installing from source](https://pandas.pydata.org/docs/dev/development/contributing_environment.html).
@@ -155,7 +155,7 @@ has been under active development since then.
 
 ## Getting Help
 
-For usage questions, the best place to go to is [StackOverflow](https://stackoverflow.com/questions/tagged/pandas).
+For usage questions, the best place to go to is [Stack Overflow](https://stackoverflow.com/questions/tagged/pandas).
 Further, general questions and discussions can also take place on the [pydata mailing list](https://groups.google.com/forum/?fromgroups#!forum/pydata).
 
 ## Discussion and Development