Replace setup.cfg with pyproject.toml (#156)

This PR replaced `setup.cfg` with the modernized `pyproject.toml` for
project setup. Currently, `setup.py` is kept for the potential more
dynamic configurations such as compiled extensions in the future.

.github/workflows/ci.yml

@@ -25,7 +25,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install -r requirements.txt -r dev-requirements.txt
+          pip install -r requirements.txt -r requirements-dev.txt
       - name: Analyze code with pylint
         run: |
           pip install pylint

pyproject.toml

@@ -0,0 +1,61 @@
+[build-system]
+requires = ["setuptools", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "tqec"
+version = "0.0.1"
+authors = [
+    { name = "TQEC community", email = "tqec-design-automation@googlegroups.com" },
+]
+description = "A design automation framework for Topological Quantum Error Correction."
+readme = "README.md"
+license = { file = "LICENSE" }
+keywords = ["topological quantum error correction", "qec"]
+requires-python = ">= 3.9"
+classifiers = [
+    "Development Status :: 4 - Beta",
+    "Intended Audience :: Developers",
+    "Intended Audience :: Science/Research",
+    "License :: OSI Approved :: Apache Software License",
+    "Natural Language :: English",
+    "Operating System :: Microsoft :: Windows",
+    "Operating System :: MacOS",
+    "Operating System :: POSIX :: Linux",
+    "Programming Language :: JavaScript",
+    "Programming Language :: Python :: 3 :: Only",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
+    "Topic :: Scientific/Engineering",
+    "Topic :: Software Development :: Libraries",
+    "Topic :: Software Development :: User Interfaces",
+    "Topic :: Utilities",
+    "Typing :: Typed",
+]
+dynamic = ["dependencies"]
+
+[project.urls]
+Website = "https://tqec.app"
+Repository = "https://github.com/QCHackers/tqec"
+Issues = "https://github.com/QCHackers/tqec/issues"
+
+[project.optional-dependencies]
+test = ["pytest", "mypy"]
+dev = ["sinter", "pymatching", "jupyterlab", "tqec[test]"]
+all = ["tqec[test, dev]"]
+
+[tool.setuptools]
+include-package-data = true
+
+[tool.setuptools.packages.find]
+where = ["src"]
+exclude = ["*test.py"]
+
+[tool.setuptools.package-data]
+tqec = ["py.typed"]
+
+[tool.setuptools.dynamic]
+dependencies = {file = "requirements.txt"}

setup.py

@@ -1,3 +1,3 @@
-from setuptools import setup
-
-setup()
+from setuptools import setup
+
+setup()

src/tqec/_version.py

@@ -1 +1,3 @@
-__version__ = "0.0.1"
+import importlib
+
+__version__ = importlib.metadata.version("tqec")