WIP: add pyproject.toml, test_toml.py; edited setup.py to avoid overw…

…riting with pyproject.toml

target to fix: issue PolicyEngine#256

changelog_entry.yaml

@@ -0,0 +1,7 @@
+- bump: minor
+  changes:
+    added:
+      - pyproject.toml, transforming from setup.py
+      - testing for pyproject.toml
+    changed:
+      - edited dependencies in setup.py to avoid overwriting

test_toml.py

@@ -4,6 +4,7 @@
 import pytest
 from packaging import version
 
+
 @pytest.fixture(scope="module")
 def toml_data():
     file_path = "pyproject.toml"
@@ -12,6 +13,7 @@ def toml_data():
     with open(file_path, "rb") as f:
         return tomli.load(f)
 
+
 def test_toml_syntax():
     file_path = "pyproject.toml"
     try:
@@ -20,32 +22,43 @@ def test_toml_syntax():
     except tomli.TOMLDecodeError as e:
         pytest.fail(f"TOML syntax error: {e}")
 
+
 def test_required_fields(toml_data):
     required_fields = ["name", "version", "description"]
     for field in required_fields:
-        assert field in toml_data.get("project", {}), f"Missing required field: {field}"
+        assert field in toml_data.get(
+            "project", {}
+        ), f"Missing required field: {field}"
+
 
 def test_build_system(toml_data):
     build_system = toml_data.get("build-system", {})
     assert "requires" in build_system, "Build system 'requires' is missing."
-    assert "build-backend" in build_system, "Build system 'build-backend' is missing."
+    assert (
+        "build-backend" in build_system
+    ), "Build system 'build-backend' is missing."
+
 
 def test_package_build():
     try:
         subprocess.run(["python", "-m", "build"], check=True)
     except subprocess.CalledProcessError:
         pytest.fail("Failed to build package.")
 
+
 def test_package_installation():
     try:
         subprocess.run(["pip", "install", "."], check=True)
     except subprocess.CalledProcessError:
         pytest.fail("Failed to install package.")
 
+
 def test_run_tests():
     try:
         subprocess.run(["pytest"], check=True)
     except subprocess.CalledProcessError:
         pytest.fail("Some tests failed.")
     except FileNotFoundError:
-        pytest.skip("pytest not found. Make sure it's installed and in your PATH.")
+        pytest.skip(
+            "pytest not found. Make sure it's installed and in your PATH."
+        )