Claim all existing packages on pypi

.github/workflows/claim-pypi-name.yaml

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+name: Build Placeholder PyPI Packages
+
+on:
+  pull_request:
+    branches:
+    - master
+
+defaults:
+  run:
+    shell: bash
+
+
+jobs:
+  python-artifacts:
+    name: Build wheel and source distribution
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Set up Python 3.11
+      uses: actions/setup-python@v5
+      with:
+        python-version: 3.11
+
+    - name: Install Build
+      run: pip install -U build[virtualenv]
+
+    - name: Build Packages
+      run: |
+        bash .github/workflows/scripts/build_placeholders.sh
+
+    # - name: Push Python artifacts to PyPI
+    #   uses: pypa/gh-action-pypi-publish@v1.8.14
+    #   with:
+    #     skip-existing: true
+    #     user: __token__
+    #     password: ${{ secrets.INTEGRATIONS_PYPI_NAME_CLAIM }}

.github/workflows/scripts/build_placeholders.sh

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+#!/usr/bin/env bash
+
+# Requires python 3.11+ (for tomllib) and the `build` package.
+# Run this script from the root of the repo.
+# The TL;DR of this script is: for every subdirectory with a pyproject.toml file we build an empty Python wheel.
+
+mkdir -p dist
+mkdir -p pkg_placeholder
+for file_or_subdir in *; do
+    if [[ -d "${file_or_subdir}" ]]; then
+        pyproject="${file_or_subdir}/pyproject.toml"
+        if [[ -f "${pyproject}" ]]; then
+            pypi_pkg_name=$(python -c "import tomllib, pathlib; contents = pathlib.Path('${pyproject}').read_text(); data = tomllib.loads(contents); print(data['project']['name'])")
+            # multiline strings are sensitive to indentation, so we must unindent the following command
+cat <<EOF > pkg_placeholder/pyproject.toml
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+[project]
+name = "${pypi_pkg_name}"
+version = "0.0.1"
+[tool.hatch.build.targets.wheel]
+bypass-selection = true
+EOF
+            python -m build --wheel pkg_placeholder
+            mv pkg_placeholder/dist/* dist/
+        fi
+    fi
+done