build: add pyproject.toml to remove deprecation warning at install

Author: thebaptiste

.github/workflows/ci.yml

@@ -30,7 +30,12 @@ jobs:
         flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
         # 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
-    - name: Install
+    - name: install with pip -e
+      if: ${{ matrix.python-version == 3.12 || matrix.python-version == 3.13 }}
+      run: |
+        pip install -e . -v --no-build-isolation
+    - name: install with setup.py develop
+      if: ${{ matrix.python-version != 3.12 && matrix.python-version != 3.13 }}
       run: |
         python setup.py develop
     - name: Test with pytest

fastentrypoints.py

@@ -0,0 +1,4 @@
+# pyproject.toml
+[build-system]
+requires = ["setuptools >= 42.0.0"]
+build-backend = "setuptools.build_meta"

pyproject.toml

@@ -1,4 +1,3 @@
-import fastentrypoints  # noqa: F401
 from setuptools import setup
 from setuptools import find_packages