Merge branch '3-manifolds:master' into towards-cylint-in-core

.cirrus.yml

@@ -4,7 +4,7 @@ cirrus_wheels_macos_arm64_task:
     image: ghcr.io/cirruslabs/macos-ventura-xcode:latest
   env:
     CIBW_ARCHS_MACOS: arm64
-    CIBW_SKIP: pp* cp38*
+    CIBW_SKIP: pp* cp38* cp312*
     CIBW_BEFORE_BUILD: >
       pip install cython FXrays low_index sphinx sphinx_rtd_theme &&
       pip install --pre --extra-index-url https://test.pypi.org/simple cypari &&
@@ -22,7 +22,7 @@ cirrus_wheels_macos_arm64_task:
     - brew install python3
     - python3 --version
   install_cibuildwheel_script:
-    - python3 -m pip install cibuildwheel
+    - python3 -m pip install cibuildwheel==2.15.0
   run_cibuildwheel_script:
     - python3 -m cibuildwheel --output-dir wheelhouse
   wheels_artifacts:

.github/workflows/linux.yml

@@ -13,21 +13,11 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
-      - uses: actions/setup-python@v3
-        name: Install Python
-        with:
-          python-version: '3.9'
-
-      - name: Install cibuildwheel
-        run: |
-          python -m pip install cibuildwheel
-
       - name: Build wheels
-        run: |
-          python -m cibuildwheel --output-dir wheelhouse
+        uses: pypa/[email protected]
         env:
-          # Skip Python 2.7, 3.5, 3.11, 32 bit Linux, and PyPy
-          CIBW_SKIP: cp27-* cp35-* *-manylinux_i686 *musllinux* pp*
+          # Skip Python 3.12, 32 bit Linux, and PyPy
+          CIBW_SKIP: cp312-* *-manylinux_i686 *musllinux* pp*
           CIBW_BEFORE_ALL_LINUX: yum install -y tk mesa-libGLU-devel
           CIBW_BEFORE_BUILD: >
             pip install cython FXrays low_index sphinx sphinx_rtd_theme &&

.github/workflows/macos.yml

@@ -13,21 +13,11 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
-      - uses: actions/setup-python@v3
-        name: Install Python
-        with:
-          python-version: '3.9'
-
-      - name: Install cibuildwheel
-        run: |
-          python -m pip install cibuildwheel
-
       - name: Build wheels
-        run: |
-          python -m cibuildwheel --output-dir wheelhouse
+        uses: pypa/[email protected]
         env:
-          # Skip Python 2.7, 3.5, 3.11, 32 bit Linux, and PyPy
-          CIBW_SKIP: cp27-* cp35-* cp36-* cp37-* pp*
+          # Skip Python 3.12 for now
+          CIBW_BUILD: cp310-* cp311-*
           CIBW_ARCHS_MACOS: x86_64 universal2
           CIBW_BEFORE_BUILD: >
             pip install cython FXrays low_index sphinx sphinx_rtd_theme &&

.github/workflows/macos_older_pythons.yml

@@ -1,4 +1,4 @@
-name: macOS Older Python Wheels
+name: macOS Wheels
 
 on: [push, pull_request]
 
@@ -13,22 +13,11 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
-      - uses: actions/setup-python@v3
-        name: Install Python
-        with:
-          python-version: '3.9'
-
-      - name: Install cibuildwheel
-        run: |
-          python -m pip install cibuildwheel
-
       - name: Build wheels
-        run: |
-          python -m cibuildwheel --output-dir wheelhouse
+        uses: pypa/[email protected]
         env:
-          # Skip Python 2.7, 3.5, 3.11, 32 bit Linux, and PyPy
-          CIBW_SKIP: cp27-* cp35-* cp38-* cp39-* cp310-* cp311-* pp*
-          CIBW_ARCHS_MACOS: x86_64
+          CIBW_BUILD: cp36-* cp37-* cp38-* cp39-*
+          CIBW_ARCHS_MACOS: x86_64 universal2
           CIBW_BEFORE_BUILD: >
             pip install cython FXrays low_index sphinx sphinx_rtd_theme &&
             pip install --pre --extra-index-url https://test.pypi.org/simple cypari &&
@@ -45,5 +34,5 @@ jobs:
 
       - uses: actions/upload-artifact@v3
         with:
-          name: snappy_macos_older_wheels
+          name: snappy_macos_wheels
           path: ./wheelhouse/*.whl

.github/workflows/windows.yml

@@ -8,26 +8,16 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [windows-latest]
+        os: [windows-2019]
 
     steps:
       - uses: actions/checkout@v3
 
-      - uses: actions/setup-python@v3
-        name: Install Python
-        with:
-          python-version: '3.9'
-
-      - name: Install cibuildwheel
-        run: |
-          python -m pip install cibuildwheel
-
       - name: Build wheels
-        run: |
-          python -m cibuildwheel --output-dir wheelhouse
+        uses: pypa/[email protected]
         env:
-          # Skip Python 2.7, 3.5, 3.11, and PyPy
-          CIBW_SKIP: cp27-* cp35-* pp*
+          # Skip Python 3.12, and PyPy
+          CIBW_SKIP: cp312-* pp*
           CIBW_BEFORE_BUILD: >
             pip install cython FXrays low_index sphinx sphinx_rtd_theme &&
             pip install --pre --extra-index-url https://test.pypi.org/simple cypari &&

cython/core/triangulation.pyx

@@ -354,7 +354,7 @@ cdef class Triangulation():
         if self._PDcode is not None:
             return spherogram.Link(self._PDcode)
         elif self.DT_code() is not None:
-            return spherogram.DTcodec(self.DT_code()).link()
+            return spherogram.DTcodec(*self.DT_code(flips=True)).link()
         else:
             raise ValueError('No associated link known.')