Migrate from setup.py to pyproject.toml (eclipse-basyx#290)

Migrate from setup.py to pyproject.toml

Previously, we used `setup.py` for specifying our
package, together with a `requirements.txt` for
defining our dependencies. 

[PEP 518] introduces `pyproject.toml` as the new 
and suggested way of specifying both, 
build process and dependencies. 
With this commit, we migrate from the old 
`setup.py` and `requirements.txt` to using
`pyproject.toml`. 

[PEP 518](https://peps.python.org/pep-0518/)

.github/workflows/ci.yml

@@ -125,7 +125,7 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install setuptools wheel
+        pip install setuptools wheel build
     - name: Create source and wheel dist
       run: |
-        python setup.py sdist bdist_wheel
+        python -m build

pyproject.toml

@@ -0,0 +1,48 @@
+[build-system]
+requires = ["setuptools>=45", "wheel", "setuptools_scm[toml]>=6.2"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "basyx-python-sdk"
+version = "1.0.0"
+description = "The Eclipse BaSyx Python SDK, an implementation of the Asset Administration Shell for Industry 4.0 systems"
+authors = [
+    { name = "The Eclipse BaSyx Authors", email = "admins@iat.rwth-aachen.de" }
+]
+readme = "README.md"
+license = { file = "LICENSE" }
+classifiers = [
+    "Programming Language :: Python :: 3",
+    "License :: OSI Approved :: MIT License",
+    "Operating System :: OS Independent",
+    "Development Status :: 5 - Production/Stable"
+]
+requires-python = ">=3.8"
+dependencies = [
+    "python-dateutil>=2.8,<3",
+    "lxml>=4.2,<5",
+    "urllib3>=1.26,<2.0",
+    "pyecma376-2>=0.2.4"
+]
+
+[project.optional-dependencies]
+dev = [
+    "mypy",
+    "pycodestyle",
+    "codeblocks",
+    "coverage",
+]
+
+[project.urls]
+"Homepage" = "https://github.com/eclipse-basyx/basyx-python-sdk"
+
+[tool.setuptools]
+packages = ["basyx"]
+
+[tool.setuptools.package-data]
+basyx = ["py.typed"]
+"basyx.aas.examples.data" = ["TestFile.pdf"]
+
+[tool.setuptools.exclude-package-data]
+"*" = ["test", "test.*"]
+