DM-27354: Enable pip installation using pyproject.toml / PEP 517

.github/workflows/build.yaml

@@ -15,11 +15,10 @@ jobs:
         with:
           python-version: 3.7
 
-      - name: Install dependencies
-        run: pip install -r requirements.txt
-
       - name: Build and install
-        run: pip install -v .
+        run: |
+          python -m pip install --upgrade pip setuptools
+          python -m pip install .[yaml,test]
 
       - name: Run tests
         run: pytest -r a -v

.gitignore

@@ -45,3 +45,4 @@ tests/.cache/*
 ups/*.cfgc
 build/
 .eggs/
+*.egg-info/

MANIFEST.in

@@ -0,0 +1,4 @@
+include LICENSE
+include README.md
+recursive-include include *.h
+recursive-include src *.h

pyproject.toml

@@ -0,0 +1,8 @@
+[build-system]
+build-backend = "setuptools.build_meta"
+requires = [
+    "setuptools >= 46.6.0",
+    "wheel",
+    "pybind11 >= 2.5.0",
+    "numpy >= 1.18",
+]

setup.cfg

@@ -1,41 +1,34 @@
 [metadata]
 name = lsst_sphgeom
-description = A Spherical Geometry Library
+description = A spherical geometry library.
 author = LSST Data Management
 author_email = support@lsst.org
-license = GPLv3
 url = https://github.com/lsst/sphgeom
 classifiers =
     Intended Audience :: Science/Research
     License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)
     Operating System :: OS Independent
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.6
+    Programming Language :: Python :: 3.7
     Topic :: Scientific/Engineering :: Astronomy
 
 [options]
 zip_safe = False
 package_dir=
     =python
 packages=find:
-setup_requires =
-  setuptools >=46.0
-  wheel
-  pybind11 >=2.5.0
-  numpy >=1.17
-  setuptools_cpp >=0.0.1
 install_requires =
-  numpy >=1.17
-tests_require =
-  pytest >= 3.2
-  flake8 >= 3.7.5
-  pytest-flake8 >= 1.0.4
+  numpy >=1.18
 
 [options.extras_require]
 yaml = pyyaml>=5.1
+test =
+  pytest >= 3.2
+  flake8 >= 3.7.5
+  pytest-flake8 >= 1.0.4
 
 [options.packages.find]
-where=python
+where = python
 
 [flake8]
 max-line-length = 110

setup.py

@@ -9,13 +9,12 @@
   interface.
 """
 
-from setuptools import setup
-from setuptools_cpp import ExtensionBuilder, Pybind11Extension
-import os
 import glob
 
 # Importing this automatically enables parallelized builds
 import numpy.distutils.ccompiler  # noqa: F401
+from setuptools import setup
+from pybind11.setup_helpers import Pybind11Extension, build_ext
 
 # Currently a fake version for testing
 version = '0.0.1'
@@ -28,11 +27,6 @@
 __version__ = '{version}'""", file=f)
 
 
-# read the contents of the README file
-this_directory = os.path.abspath(os.path.dirname(__file__))
-with open(os.path.join(this_directory, "README.md"), encoding='utf-8') as f:
-    long_description = f.read()
-
 # Find the source code -- we can combine it into a single module
 pybind_src = sorted(glob.glob("python/lsst/sphgeom/*.cc"))
 cpp_src = sorted(glob.glob("src/*.cc"))
@@ -45,8 +39,6 @@
 
 setup(
     version=version,
-    long_description=long_description,
     ext_modules=ext_modules,
-    long_description_content_type="text/markdown",
-    cmdclass={'build_ext': ExtensionBuilder},
+    cmdclass={'build_ext': build_ext},
 )