Add Python 3.12 (#111) (#112)

* Add Python 3.12

* proper versioning and switch to modern builds

* typo

* try something

* stupid

* ok, I give up

* fix Python 3.8

.github/workflows/pypi.yml

@@ -17,7 +17,7 @@ jobs:
           - architecture: "x64"
             platform-vcvars: "x86_amd64"
             platform-msbuild: "x64"
-        python-version: ["3.8", "3.9", "3.10", "3.11"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
         exclude:
           - platform: macos-latest
             architecture: "x86"
@@ -39,30 +39,26 @@ jobs:
       if: contains(matrix.platform, 'windows')
       run: |
         cmd "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" ${{ matrix.platform-vcvars }}
-    - name: Install dependencies
+    - name: Upgrade pip and install build/lint/test dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install wheel
-        pip install -r requirements/default.txt
+        pip install flake8 build pytest
     - name: Lint with flake8
       run: |
-        pip install flake8
         # stop the build if there are Python syntax errors or undefined names
         flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics --exclude=lib
         # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
         flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics --exclude=lib
     - name: Create wheel distribution 
       run: |
-        pip wheel --no-deps . -w dist
-    - name: List wheel files
-      run: |
-        ls dist   
-    - name: Install package 
+        python -m build --wheel
+    - name: Install package (prevents pip from looking for PyPI's version)
       run: |
+        python scripts/generate_requirements.py
+        pip install -r requirements_default.txt
         pip install --no-index --find-links=dist --verbose pyvinecopulib
     - name: Test with pytest
       run: |
-        pip install pytest
         pytest tests -r a
     - name: Upload binaries
       uses: actions/upload-artifact@v3
@@ -89,14 +85,13 @@ jobs:
       uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
-    - name: Install dependencies
+    - name: Upgrade pip and install build dependency
       run: |
         python -m pip install --upgrade pip
-        pip install wheel
-        pip install -r requirements/default.txt
+        pip install build
     - name: Create source distribution 
       run: |
-        python setup.py sdist
+        python -m build --sdist
     - name: Download binaries
       uses: actions/download-artifact@v3
       with:

pyproject.toml

@@ -29,6 +29,7 @@ classifiers = [
         'Programming Language :: Python :: 3.9',
         'Programming Language :: Python :: 3.10',
         'Programming Language :: Python :: 3.11',
+        'Programming Language :: Python :: 3.12',
         'License :: OSI Approved :: MIT License'
 ]
 dependencies = [
@@ -39,6 +40,8 @@ dependencies = [
 ]
 
 [tool.setuptools_scm]
+version_scheme = "python-simplified-semver"
+local_scheme = "no-local-version"
 
 [project.urls]
 Homepage = "https://github.com/vinecopulib/pyvinecopulib/"

scripts/generate_requirements.py

@@ -1,8 +1,9 @@
 #!/usr/bin/env python
-"""Generate requirements/*.txt files from pyproject.toml."""
+"""Generate *.txt (e.g., requirements.txt) files from pyproject.toml."""
 
 import sys
 from pathlib import Path
+from typing import List
 
 try:  # standard module since Python 3.11
   import tomllib as toml
@@ -16,21 +17,26 @@
 repo_dir = script_pth.parent.parent
 script_relpth = script_pth.relative_to(repo_dir)
 header = [
-    f"# Generated via {script_relpth.as_posix()} and pre-commit hook.",
+    f"# Generated via {script_relpth.as_posix()}.",
     "# Do not edit this file; modify pyproject.toml instead.",
 ]
 
 
-def generate_requirement_file(name: str, req_list: list[str]) -> None:
-  req_fname = repo_dir / "requirements" / f"{name}.txt"
+def generate_requirement_file(name: str, req_list: List[str]) -> None:
+  req_fname = repo_dir / f"{name}.txt"
   req_fname.write_text("\n".join(header + req_list) + "\n")
 
 
-def main() -> None:
+def main(name: str = "requirements_default") -> None:
   pyproject = toml.loads((repo_dir / "pyproject.toml").read_text())
 
-  generate_requirement_file("default", pyproject["project"]["dependencies"])
+  generate_requirement_file(name, pyproject["project"]["dependencies"])
 
 
 if __name__ == "__main__":
-  main()
+  if len(sys.argv) == 1:
+    main()
+  elif len(sys.argv) == 2:
+    main(sys.argv[1])
+  else:
+    raise RuntimeError("Too many arguments")