Moved the metadata into setup.cfg

Added `pyproject.toml`
Version is now populated automatically from git using `setuptools_scm`.

.gitignore

@@ -1,3 +1,4 @@
+/icecream/__version__.py
 *~
 .#*
 \#*

icecream/__init__.py

@@ -13,10 +13,7 @@
 from os.path import dirname, join as pjoin
 
 from .icecream import *  # noqa
+from .__version__ import __version__
 from .builtins import install, uninstall
 
-# Import all variables in __version__.py without explicit imports.
-meta = {}
-with open(pjoin(dirname(__file__), '__version__.py')) as f:
-    exec(f.read(), meta)
-globals().update(dict((k, v) for k, v in meta.items() if k not in globals()))
+meta = {"__version__": __version__}

pyproject.toml

@@ -0,0 +1,7 @@
+[build-system]
+requires = ["setuptools>=44", "wheel", "setuptools_scm[toml]>=3.4.3"]
+build-backend = "setuptools.build_meta"
+
+[tool.setuptools_scm]
+write_to = "icecream/__version__.py"
+write_to_template = "__version__ = '{version}'\n"

setup.cfg

@@ -1,5 +1,40 @@
-[bdist_wheel]
-universal = 1
-
 [metadata]
 license_file = LICENSE.txt
+name = icecream
+version = 2.1.2
+author = Ansgar Grunseid
+author_email = [email protected]
+license = MIT
+description = Never use print() to debug again; inspect variables, expressions, and program execution with a single, simple function call.
+url = https://github.com/gruns/icecream
+long_description = Information and documentation can be found at https://github.com/gruns/icecream.
+classifiers =
+    License :: OSI Approved :: MIT License
+    Natural Language :: English
+    Intended Audience :: Developers
+    Topic :: Software Development :: Libraries
+    Development Status :: 4 - Beta
+    Programming Language :: Python
+    Programming Language :: Python :: 2
+    Programming Language :: Python :: 2.7
+    Programming Language :: Python :: 3
+    Programming Language :: Python :: 3.5
+    Programming Language :: Python :: 3.6
+    Programming Language :: Python :: 3.7
+    Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
+    Programming Language :: Python :: Implementation :: PyPy
+    Programming Language :: Python :: Implementation :: CPython
+platforms = any
+
+[options]
+packages = find:
+install_requires =
+    colorama>=0.3.9
+    pygments>=2.2.0
+    executing>=0.3.1
+    asttokens>=2.0.1
+include_package_data = True
+
+[bdist_wheel]
+universal = 1

setup.py

@@ -14,14 +14,11 @@
 import os
 import sys
 from os.path import dirname, join as pjoin
-from setuptools import setup, find_packages, Command
+from glob import glob
+from setuptools import Command, setup
 from setuptools.command.test import test as TestCommand
 
-
-meta = {}
-with open(pjoin('icecream', '__version__.py')) as f:
-    exec(f.read(), meta)
-
+this_dir = dirname(__file__)
 
 class Publish(Command):
     """Publish to PyPI with twine."""
@@ -34,11 +31,10 @@ def finalize_options(self):
         pass
 
     def run(self):
-        os.system('python setup.py sdist bdist_wheel')
-
-        sdist = 'dist/icecream-%s.tar.gz' % meta['__version__']
-        wheel = 'dist/icecream-%s-py2.py3-none-any.whl' % meta['__version__']
-        rc = os.system('twine upload "%s" "%s"' % (sdist, wheel))
+        dist_dir = pjoin(this_dir, 'dist')
+        os.system(sys.executable + ' -m build -nwxs ' + this_dir)
+        files = glob(pjoin(dist_dir, '*.whl')) + glob(pjoin(dist_dir, '*.whl'))
+        rc = os.system(sys.executable + ' -m twine upload ' + " ".join(files))
 
         sys.exit(rc)
 
@@ -59,51 +55,13 @@ class RunTests(TestCommand):
     """
     def run_tests(self):
         from unittest import TestLoader, TextTestRunner
-        tests_dir = pjoin(dirname(__file__), 'tests')
+        tests_dir = pjoin(this_dir, 'tests')
         suite = TestLoader().discover(tests_dir)
         result = TextTestRunner().run(suite)
         sys.exit(0 if result.wasSuccessful() else -1)
 
 
 setup(
-    name=meta['__title__'],
-    license=meta['__license__'],
-    version=meta['__version__'],
-    author=meta['__author__'],
-    author_email=meta['__contact__'],
-    url=meta['__url__'],
-    description=meta['__description__'],
-    long_description=(
-        'Information and documentation can be found at '
-        'https://github.com/gruns/icecream.'),
-    platforms=['any'],
-    packages=find_packages(),
-    include_package_data=True,
-    classifiers=[
-        'License :: OSI Approved :: MIT License',
-        'Natural Language :: English',
-        'Intended Audience :: Developers',
-        'Topic :: Software Development :: Libraries',
-        'Development Status :: 4 - Beta',
-        'Programming Language :: Python',
-        'Programming Language :: Python :: 2',
-        'Programming Language :: Python :: 2.7',
-        'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.5',
-        'Programming Language :: Python :: 3.6',
-        'Programming Language :: Python :: 3.7',
-        'Programming Language :: Python :: 3.8',
-        'Programming Language :: Python :: 3.9',
-        'Programming Language :: Python :: Implementation :: PyPy',
-        'Programming Language :: Python :: Implementation :: CPython',
-    ],
-    tests_require=[],
-    install_requires=[
-        'colorama>=0.3.9',
-        'pygments>=2.2.0',
-        'executing>=0.3.1',
-        'asttokens>=2.0.1',
-    ],
     cmdclass={
         'test': RunTests,
         'publish': Publish,