Python 3.14 support

.github/release_preamble.md

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+:information_source: Note that python-minifier depends on the python interpreter for parsing source code,
+and will output source code compatible with the version of the interpreter it is run with.
+
+This means that if you minify code written for Python 3.11 using python-minifier running with Python 3.12,
+the minified code may only run with Python 3.12.

.github/workflows/create_draft_release.yaml

@@ -0,0 +1,328 @@
+name: Create Draft Release
+
+on:
+  workflow_call:
+    inputs:
+      release_version:
+        description: The version to set in setup.py
+        required: true
+        type: string
+    outputs:
+      release_id:
+        description: The created release ID
+        value: ${{ jobs.create_release.outputs.release_id }}
+
+permissions:
+  contents: none
+
+jobs:
+
+  package_python3:
+    name: Create sdist and Python 3 Wheel
+    runs-on: ubuntu-24.04
+    outputs:
+        sdist: ${{ steps.package.outputs.sdist }}
+        wheel: ${{ steps.package.outputs.wheel }}
+    container:
+      image: danielflook/python-minifier-build:python3.14-2025-09-26
+    permissions:
+      contents: read
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4.2.2
+        with:
+          fetch-depth: 1
+          show-progress: false
+          persist-credentials: false
+
+      - name: Set version statically
+        env:
+          VERSION: ${{ inputs.release_version }}
+        run: |
+          python3 -c "
+          import re, os
+          version = os.environ['VERSION']
+
+          with open('setup.py', 'r') as f:
+              content = f.read()
+
+          # Remove setuptools_scm configuration and set static version
+          content = re.sub(r'setup_requires=.*', f\"version='{version}',\", content)
+          content = re.sub(r'use_scm_version=.*,?\s*', '', content)
+
+          with open('setup.py', 'w') as f:
+              f.write(content)
+          "
+          echo "Version: $VERSION"
+
+      - name: Build distribution packages
+        id: package
+        run: |
+          pip3 install --upgrade build
+          python3 -m build
+
+          echo "sdist=$(find dist -name '*.tar.gz' -printf "%f\n")" >> "$GITHUB_OUTPUT"
+          echo "wheel=$(find dist -name '*-py3-*.whl' -printf "%f\n")" >> "$GITHUB_OUTPUT"
+
+      - name: Upload sdist artifact
+        uses: actions/upload-artifact@v4.4.3
+        with:
+          name: dist-sdist
+          path: dist/${{ steps.package.outputs.sdist }}
+          if-no-files-found: error
+
+      - name: Upload Python 3 wheel artifact
+        uses: actions/upload-artifact@v4.4.3
+        with:
+          name: dist-py3-wheel
+          path: dist/${{ steps.package.outputs.wheel }}
+          if-no-files-found: error
+
+  package_python2:
+    name: Create Python 2 Wheel
+    runs-on: ubuntu-24.04
+    needs: [package_python3]
+    outputs:
+        wheel: ${{ steps.package.outputs.wheel }}
+    container:
+      image: danielflook/python-minifier-build:python2.7-2025-09-26
+    steps:
+      - name: Download source distribution artifact
+        uses: actions/download-artifact@v4.1.8
+        with:
+          name: dist-sdist
+          path: dist/
+
+      - name: Build Python 2 wheel
+        id: package
+        env:
+          PYTHON3_SDIST: ${{ needs.package_python3.outputs.sdist }}
+        run: |
+          dnf install -y findutils
+          pip install --upgrade wheel
+          pip wheel dist/"$PYTHON3_SDIST" -w dist
+          echo "wheel=$(find dist -name '*-py2-*.whl' -printf "%f\n")" >> "$GITHUB_OUTPUT"
+
+      - name: Upload Python 2 wheel artifact
+        uses: actions/upload-artifact@v4.4.3
+        with:
+          name: dist-py2-wheel
+          path: dist/${{ steps.package.outputs.wheel }}
+          if-no-files-found: error
+
+  documentation:
+    name: Build Documentation
+    runs-on: ubuntu-24.04
+    needs: [package_python3]
+    container:
+      image: danielflook/python-minifier-build:python3.14-2025-09-26
+    permissions:
+      contents: read
+    steps:
+      - uses: actions/download-artifact@v4.1.8
+        with:
+          name: dist-sdist
+          path: dist/
+
+      - name: Install package
+        env:
+          PYTHON3_SDIST: ${{ needs.package_python3.outputs.sdist }}
+        run: |
+          pip3 install dist/"$PYTHON3_SDIST"
+          pyminify --version
+
+      - name: Checkout
+        uses: actions/checkout@v4.2.2
+        with:
+          fetch-depth: 1
+          show-progress: false
+          persist-credentials: false
+
+      - name: Build documentation
+        run: |
+          pip3 install sphinx sphinxcontrib-programoutput sphinx_rtd_theme
+          sphinx-build docs/source /tmp/build
+
+      - name: Upload documentation artifact
+        uses: actions/upload-pages-artifact@v3.0.1
+        with:
+          path: /tmp/build
+
+  test_package:
+    name: Test Package
+    runs-on: ubuntu-24.04
+    needs: [package_python2, package_python3]
+    permissions:
+      contents: read
+    strategy:
+      fail-fast: false
+      matrix:
+        python: ["2.7", "3.3", "3.4", "3.5", "3.6", "3.7", "3.8", "3.9", "3.10", "3.11", "3.12", "3.13", "3.14"]
+        package_type: [sdist, wheel]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4.2.2
+        with:
+          fetch-depth: 1
+          show-progress: false
+          persist-credentials: false
+
+      - name: Download distribution artifacts
+        uses: actions/download-artifact@v4.1.8
+        with:
+          pattern: dist-*
+          path: dist/
+          merge-multiple: true
+
+      - name: Test
+        uses: ./.github/actions/run-in-container
+        with:
+          image: danielflook/python-minifier-build:python${{ matrix.python }}-2025-09-26
+          run: |
+            if [[ "${{ matrix.package_type }}" == "sdist" ]]; then
+              pip${{ matrix.python }} install dist/${{needs.package_python3.outputs.sdist}}
+
+              # Extract sdist to access tests
+              mkdir -p /tmp/sdist-extract
+              cd /tmp/sdist-extract
+              tar -xzf /github/workspace/dist/${{needs.package_python3.outputs.sdist}} --strip-components=1
+
+              # Install test dependencies and package
+              pip${{ matrix.python }} install -r test/requirements.txt
+
+              # Run unit tests from sdist
+              python${{ matrix.python }} -m pytest test/ -v
+
+            elif [[ "${{ matrix.python }}" == "2.7" ]]; then
+              pip${{ matrix.python }} install dist/${{needs.package_python2.outputs.wheel}}
+            else
+              pip${{ matrix.python }} install dist/${{needs.package_python3.outputs.wheel}}
+            fi
+
+            pyminify --version
+
+            set -x
+            cat setup.py | pyminify -
+            pyminify setup.py > /tmp/out.min.py
+            pyminify setup.py --output /tmp/out.min.py2
+            pyminify setup.py src test --in-place
+
+  test_typing:
+    name: Test Typing
+    runs-on: ubuntu-24.04
+    needs: [package_python3]
+    strategy:
+      matrix:
+        package_type: [sdist, wheel]
+    permissions:
+      contents: read
+    container:
+      image: danielflook/python-minifier-build:python3.14-2025-09-26
+    steps:
+      - name: Download distribution artifacts
+        uses: actions/download-artifact@v4.1.8
+        with:
+          pattern: dist-*
+          path: dist/
+          merge-multiple: true
+
+      - name: Install package
+        env:
+          PYTHON3_SDIST: ${{ needs.package_python3.outputs.sdist }}
+          PYTHON3_WHEEL: ${{ needs.package_python3.outputs.wheel }}
+        run: |
+          if [[ "${{ matrix.package_type }}" == "sdist" ]]; then
+            pip3.14 install "dist/$PYTHON3_SDIST"
+          else
+            pip3.14 install "dist/$PYTHON3_WHEEL"
+          fi
+
+      - name: Checkout
+        uses: actions/checkout@v4.2.2
+        with:
+          fetch-depth: 1
+          show-progress: false
+          persist-credentials: false
+
+      - name: Test typing
+        run: |
+          pip3.14 install 'mypy<1.12.0' types-setuptools
+          mypy --strict typing_test/test_typing.py
+
+          if mypy --strict typing_test/test_badtyping.py; then
+            echo "Bad types weren't detected"
+            exit 1
+          fi
+
+          stubtest python_minifier --allowlist typing_test/stubtest-allowlist.txt
+
+  create_release:
+    name: Create Draft Release
+    runs-on: ubuntu-24.04
+    needs:
+      - package_python2
+      - package_python3
+      - documentation
+      - test_package
+      - test_typing
+    permissions:
+      contents: write
+    outputs:
+      release_id: ${{ steps.create_release.outputs.release_id }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4.2.2
+        with:
+          fetch-depth: 1
+          show-progress: false
+          persist-credentials: false
+
+      - name: Generate Release Notes
+        run: |
+          cp .github/release_preamble.md release_body.md
+
+          # Extract the topmost changelog section (first version found)
+          changelog_section=$(awk '/^## \[.*\]/{if(!found){found=1; next}} /^## \[.*\]/{if(found) exit} found' CHANGELOG.md)
+          if [ -z "$changelog_section" ]; then
+            echo "No changelog section found, using only release preamble"
+          else
+            echo "$changelog_section" >> release_body.md
+          fi
+
+      - name: Create Draft Release
+        id: create_release
+        env:
+          VERSION: ${{ inputs.release_version }}
+          GH_TOKEN: ${{ github.token }}
+        run: |
+          set -e
+          release_url=$(gh release create "$VERSION" \
+            --draft \
+            --title "$VERSION" \
+            --notes-file release_body.md)
+          echo "Draft release created: $release_url"
+
+          # Extract the untagged release ID from the URL
+          untagged_id="${release_url##*/tag/}"
+          echo "release_id=$untagged_id" >> "$GITHUB_OUTPUT"
+
+      - name: Download distribution artifacts
+        uses: actions/download-artifact@v4.1.8
+        with:
+          pattern: dist-*
+          path: dist/
+          merge-multiple: true
+
+      - name: Upload Release Assets
+        env:
+          RELEASE_ID: ${{ steps.create_release.outputs.release_id }}
+          GH_TOKEN: ${{ github.token }}
+          SDIST: ${{ needs.package_python3.outputs.sdist }}
+          PYTHON3_WHEEL: ${{ needs.package_python3.outputs.wheel }}
+          PYTHON2_WHEEL: ${{ needs.package_python2.outputs.wheel }}
+        run: |
+          gh release upload "$RELEASE_ID" \
+            --repo ${{ github.repository }} \
+            "dist/${SDIST}" \
+            "dist/${PYTHON3_WHEEL}" \
+            "dist/${PYTHON2_WHEEL}"