Migrate to modern packaging toolchain

Author: mfisher87

doc/contributing.md

@@ -0,0 +1,23 @@
+# Contributing
+
+Install development dependencies:
+
+```
+conda env create  # or `mamba env create`
+```
+
+
+## Development install
+
+```
+pip install -e .
+```
+
+
+## Testing the build
+
+```
+rm -rf dist
+python -m build
+pip install dist/*.whl  # or `dist/*.tar.gz`
+```

environment.yml

@@ -0,0 +1,12 @@
+name: "viscm"
+channels:
+  - "conda-forge"
+  - "nodefaults"
+dependencies:
+  - "python ~=3.11"
+  - "numpy ~=1.24"
+  - "matplotlib ~=3.7"
+  - "colorspacious ~=1.1"
+  - "scipy ~=1.10"
+  - pip:
+    - "build ~=0.10"

pyproject.toml

@@ -0,0 +1,48 @@
+[project]
+name = "viscm"
+dynamic = ["version"]
+description = "A colormap tool"
+readme = "README.rst"
+authors = [
+  {name = "Nathaniel J. Smith", email = "njs@pobox.com"},
+  {name = "Stefan van der Walt", email = "stefanv@berkeley.edu"},
+]
+classifiers = [
+  "Development Status :: 3 - Alpha",
+  "Intended Audience :: Developers",
+  "Intended Audience :: Science/Research",
+  "License :: OSI Approved :: MIT License",
+  "Programming Language :: Python :: 3",
+]
+
+requires-python = "~=3.7"
+dependencies = [
+  "numpy",
+  "matplotlib",
+  "colorspacious",
+  "scipy",
+]
+
+[project.urls]
+repository = "https://github.com/matplotlib/viscm"
+# documentation = "https://viscm.readthedocs.io"
+
+[project.license]
+text = "MIT"
+files = ["LICENSE"]
+
+[project.scripts]
+viscm = "viscm.gui:main"
+
+
+[build-system]
+requires = ["setuptools", "setuptools_scm"]
+build-backend = "setuptools.build_meta"
+
+[tool.setuptools]
+zip-safe = false
+packages = {find = {}}
+package-data = {viscm = ["examples/*"]}
+
+
+# [tool.black]

setup.cfg

@@ -1,30 +1,3 @@
-from setuptools import setup, find_packages
-import sys
-import os.path
+from setuptools import setup
 
-import numpy as np
-
-# Must be one line or PyPI will cut it off
-DESC = ("A colormap tool")
-LONG_DESC = open("README.rst").read()
-
-setup(
-    name="viscm",
-    version="0.10",
-    description=DESC,
-    long_description=LONG_DESC,
-    author="Nathaniel J. Smith, Stefan van der Walt",
-    author_email="njs@pobox.com, stefanv@berkeley.edu",
-    url="https://github.com/matplotlib/viscm",
-    license="MIT",
-    classifiers =
-      [ "Development Status :: 3 - Alpha",
-        "Intended Audience :: Developers",
-        "Intended Audience :: Science/Research",
-        "License :: OSI Approved :: MIT License",
-        "Programming Language :: Python :: 3",
-        ],
-    packages=find_packages(),
-    install_requires=["numpy", "matplotlib", "colorspacious", "scipy"],
-    package_data={'viscm': ['examples/*']},
-)
+setup(use_scm_version=True)

setup.py

@@ -1,4 +1,3 @@
-# This file is part of pycam02ucs
 # Copyright (C) 2014 Nathaniel Smith <njs@pobox.com>
 # See file LICENSE.txt for license information.
 

viscm/__init__.py

@@ -3,6 +3,5 @@
 # Copyright (C) 2015 Stefan van der Walt <stefanv@berkeley.edu>
 # See file LICENSE.txt for license information.
 
-import sys
 from .gui import main
-main(sys.argv[1:])
+main()

viscm/__main__.py

@@ -948,8 +948,9 @@ def load(self, path):
             self.name = path
 
 
-def main(argv):
+def main():
     import argparse
+    argv = sys.argv[1:]
 
     # Usage:
     #   python -m viscm
@@ -1331,4 +1332,4 @@ def loadviewer(self):
 
 
 if __name__ == "__main__":
-    main(sys.argv[1:])
+    main()