feat(ci): add pypi release

Author: AmitMY

.github/workflows/release.yaml

@@ -0,0 +1,39 @@
+name: Publish Python Package
+on:
+  release:
+    types: [ created ]
+
+jobs:
+  pypi-publish:
+    name: Upload release to PyPI
+    runs-on: ubuntu-latest
+    environment:
+      name: pypi
+      url: https://pypi.org/p/signwriting
+    permissions:
+      id-token: write
+    steps:
+      - uses: actions/checkout@v5
+
+      - uses: actions/setup-python@v6
+        with:
+          python-version: "3.12"
+
+      - name: Extract release version
+        id: get_version
+        run: echo "version=${GITHUB_REF#refs/tags/}" >> $GITHUB_ENV
+
+      - name: Update version in pyproject.toml
+        run: |
+          sed -i 's/^version = .*/version = "${{ env.version }}"/' pyproject.toml
+
+      - name: Install build dependencies
+        run: pip install build
+
+      - name: Build a binary wheel dist
+        run: |
+          rm -rf dist
+          python -m build
+
+      - name: Publish distribution 📦 to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1

signwriting/formats/swu.py

@@ -1,5 +1,7 @@
 import re
 
+import regex
+
 re_swu = {
     'symbol': r'[\U00040001-\U0004FFFF]',
     'coord': r'[\U0001D80C-\U0001DFFF]{2}',
@@ -28,3 +30,6 @@ def swu_add_prefix(swu_text: str) -> str:
 def is_swu(text: str) -> bool:
     # Using the regex pattern instead of the compiled regex for performance (about 30% faster)
     return bool(re.fullmatch(re_swu['sign_with_whitespace'], text))
+
+def is_sgnw(text: str) -> bool:
+    return bool(regex.fullmatch("\p{Sutton_SignWriting}+", text))