Add Python 3.8 and 3.12 to test matrix (#62)

* Add Python 3.12 to test matrix

* Try adding libgcc dependency on Windows

* Revert "Try adding libgcc dependency on Windows"

This reverts commit 7def5c3.

* Try showing libdelaunator deps on Windows

* Also show deps using dumpbin

* Revert "Also show deps using dumpbin"

This reverts commit 9c61016.

* Try loading libdelaunator.dll with winmode=0

* Cleaner winmode

* Also try re-adding Python 3.8

.github/workflows/build.yml

@@ -10,7 +10,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.9", "3.10", "3.11"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
 
     steps:
     - uses: actions/checkout@v2
@@ -36,7 +36,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.9", "3.10", "3.11"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
 
     steps:
     - uses: actions/checkout@v2
@@ -50,6 +50,8 @@ jobs:
       shell: cmd /C CALL {0}
       run: >-
         python src/build/build.py -v -x64 -force -cc gcc -cxx g++
+    - name: Show libdelaunator dependencies
+      run: ldd qc/thatsDEM/lib/libdelaunator.dll
     - name: Test with pytest
       shell: cmd /C CALL {0}
       run: >-

qc/thatsDEM/triangle.py

@@ -45,7 +45,7 @@
 delaunator_lib_name = os.path.join(LIBDIR, DELAUNATOR_LIBNAME)
 # Load library directly via ctypes. Could also have used the numpy interface.
 lib = ctypes.cdll.LoadLibrary(lib_name)
-delaunator_lib = ctypes.cdll.LoadLibrary(delaunator_lib_name)
+delaunator_lib = ctypes.CDLL(delaunator_lib_name, winmode=ctypes.RTLD_GLOBAL)
 # Args and return types of c functions. Corresponds to a header file.
 lib.free_index.restype = None
 lib.free_index.argtypes = [ctypes.c_void_p]

readme.md

@@ -11,7 +11,8 @@ Derived datasets suchs as DEMs and vector geometries can be extracted from a poi
 
 ## Requirements ##
 
-DHMQC is currently supported on Windows and Linux, with Python versions 3.9, 3.10 and 3.11. The recommended way of installing DHMQC is using a Conda environment.
+DHMQC is currently supported on Windows and Linux, with Python versions 3.8 through 3.12. The recommended way of
+installing DHMQC is using a Conda environment.
 
 Installation requires a C and C++ compiler. Currently, only `gcc`/`g++` are supported (on Windows via MinGW-w64).