Initial commit.

.flake8

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+# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or
+# https://www.gnu.org/licenses/gpl-3.0.txt)
+# SPDX-License-Identifier: GPL-3.0-or-later
+# SPDX-FileCopyrightText: 2023 Maxwell G <[email protected]>
+
+[flake8]
+count = True
+max-complexity = 10
+max-line-length = 100
+statistics = True
+# These rules conflict with black
+ignore = E203, E704, W503

.github/dependabot.yml

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+---
+# Copyright (c) Ansible Project
+# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"

.github/patchback.yml

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+---
+# Copyright (c) Ansible Project
+# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+backport_branch_prefix: patchback/backports/
+backport_label_prefix: backport-
+target_branch_prefix: stable-
+...

.github/workflows/nox.yml

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+---
+# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or
+# https://www.gnu.org/licenses/gpl-3.0.txt)
+# SPDX-License-Identifier: GPL-3.0-or-later
+# SPDX-FileCopyrightText: 2023 Maxwell G <[email protected]
+
+name: nox
+'on':
+  push:
+    branches:
+      - main
+      - stable-*
+  pull_request:
+    branches:
+      - main
+      - stable-*
+  # Run once per week (Monday at 04:00 UTC)
+  schedule:
+    - cron: '0 4 * * 1'
+  workflow_dispatch:
+
+env:
+  FORCE_COLOR: "1"
+
+jobs:
+  nox:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: antsibull-fileutils
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - session: test
+            python-versions: "3.9, 3.10, 3.11, 3.12"
+            codecov: true
+            packages: ""
+
+          - session: lint
+            python-versions: "3.12"
+            codecov: false
+            packages: ""
+    name: "Run nox ${{ matrix.session }} session"
+    steps:
+      - name: Check out antsibull-fileutils
+        uses: actions/checkout@v4
+        with:
+          path: antsibull-fileutils
+      - name: Install extra packages
+        if: "matrix.packages != ''"
+        run: |
+          sudo apt-get install -y ${{ matrix.packages }}
+      - name: Setup nox
+        uses: wntrblm/[email protected]
+        with:
+          python-versions: "${{ matrix.python-versions }}"
+      - name: Set up nox environments
+        run: |
+          nox -v -e "${{ matrix.session }}" ${{ matrix.codecov && 'coverage' || '' }} --install-only
+      - name: "Run nox -e ${{ matrix.session }}"
+        run: |
+          nox -v -e "${{ matrix.session }}" --reuse-existing-virtualenvs --no-install
+      - name: Report coverage
+        if: ${{ matrix.codecov }}
+        run: |
+          nox -v -e coverage --reuse-existing-virtualenvs --no-install
+      - name: Upload coverage
+        if: ${{ matrix.codecov }}
+        uses: codecov/codecov-action@v4
+        with:
+          name: "${{ matrix.session }}"
+          working-directory: antsibull-fileutils
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

.gitignore

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+# Copyright (c) Ansible Project
+# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+pip-wheel-metadata/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+.python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# poetry
+poetry.lock
+
+# Output files
+*.tar.gz
+*.in
+*.build
+*.deps