Use PEP 517 for packaging

.gitignore

@@ -26,6 +26,7 @@ var/
 .installed.cfg
 *.egg
 build-deb/
+_version.py
 
 # PyInstaller
 #  Usually these files are written by a python script from a template

canopen/__init__.py

@@ -1,16 +1,14 @@
-from pkg_resources import get_distribution, DistributionNotFound
 from .network import Network, NodeScanner
 from .node import RemoteNode, LocalNode
 from .sdo import SdoCommunicationError, SdoAbortedError
 from .objectdictionary import import_od, ObjectDictionary, ObjectDictionaryError
 from .profiles.p402 import BaseNode402
-
-Node = RemoteNode
-
 try:
-    __version__ = get_distribution(__name__).version
-except DistributionNotFound:
+    from ._version import version as __version__
+except ImportError:
     # package is not installed
     __version__ = "unknown"
 
+Node = RemoteNode
+
 __pypi_url__ = "https://pypi.org/project/canopen/"

pyproject.toml

@@ -0,0 +1,6 @@
+[build-system]
+requires = ["setuptools>=45", "wheel", "setuptools_scm>=6.2"]
+build-backend = "setuptools.build_meta"
+
+[tool.setuptools_scm]
+write_to = "canopen/_version.py"

setup.cfg

@@ -0,0 +1,23 @@
+[metadata]
+name = canopen
+description = CANopen stack implementation
+long_description = file: README.rst
+project_urls =
+    Documentation = http://canopen.readthedocs.io/en/stable/
+    Source Code = https://github.com/christiansandberg/canopen
+author = Christian Sandberg
+author_email = [email protected]
+classifier =
+    Development Status :: 5 - Production/Stable
+    License :: OSI Approved :: MIT License
+    Operating System :: OS Independent
+    Programming Language :: Python :: 3 :: Only
+    Intended Audience :: Developers
+    Topic :: Scientific/Engineering
+
+[options]
+packages = find:
+python_requires = >=3.6
+install_requires =
+    python-can >= 3.0.0
+include_package_data = True

setup.py

@@ -1,33 +1,3 @@
-from setuptools import setup, find_packages
+from setuptools import setup
 
-description = open("README.rst").read()
-# Change links to stable documentation
-description = description.replace("/latest/", "/stable/")
-
-setup(
-    name="canopen",
-    url="https://github.com/christiansandberg/canopen",
-    use_scm_version=True,
-    packages=find_packages(),
-    author="Christian Sandberg",
-    author_email="[email protected]",
-    description="CANopen stack implementation",
-    keywords="CAN CANopen",
-    long_description=description,
-    license="MIT",
-    platforms=["any"],
-    classifiers=[
-        "Development Status :: 5 - Production/Stable",
-        "License :: OSI Approved :: MIT License",
-        "Operating System :: OS Independent",
-        "Programming Language :: Python :: 3",
-        "Intended Audience :: Developers",
-        "Topic :: Scientific/Engineering"
-    ],
-    install_requires=["python-can>=3.0.0"],
-    extras_require={
-        "db_export": ["canmatrix"]
-    },
-    setup_requires=["setuptools_scm"],
-    include_package_data=True
-)
+setup()