ENH: Add dynamic python package metadata (#7)

Author: mplanchard

setup.py

@@ -1,11 +1,75 @@
+from pathlib import Path
 from setuptools import setup
 from setuptools_rust import Binding, RustExtension
+from subprocess import Popen, PIPE
+
+PKG_ROOT = Path(__file__).parent
+SETUP_REQUIRES = ["setuptools-rust", "wheel", "setuptools"]
+SHORT_DESCRIPTION = "JsonLogic implemented with a Rust backend"
+URL = "https://www.github.com/bestowinc/json-logic-rs"
+AUTHOR = "Matthew Planchard"
+EMAIL = "[email protected]"
+
+
+def get_version():
+    proc = Popen(("cargo", "pkgid"), stdout=PIPE, stderr=PIPE)
+    out, _err = tuple(map(bytes.decode, proc.communicate()))
+    if proc.returncode != 0:
+        raise RuntimeError("Could not get Cargo package info")
+    version = out.split(":")[-1]
+    return version.strip()
+
+
+with open(PKG_ROOT / "README.md") as readme_f:
+    LONG_DESCRIPTION = readme_f.read()
+
+VERSION = get_version()
 
-setup_requires = ["setuptools-rust", "wheel", "setuptools"]
 
 setup(
     name="jsonlogic-rs",
-    version="1.0",
+    author=AUTHOR,
+    version=VERSION,
+    author_email=EMAIL,
+    maintainer_email=EMAIL,
+    url=URL,
+    description=SHORT_DESCRIPTION,
+    long_description=LONG_DESCRIPTION,
+    long_description_content_type="text/markdown",
+    keywords=["json", "jsonlogic", "s-expressions", "rust"],
+    classifiers=[
+        # See https://pypi.python.org/pypi?%3Aaction=list_classifiers for all
+        # available setup classifiers
+        # "Development Status :: 1 - Planning",
+        # 'Development Status :: 2 - Pre-Alpha',
+        "Development Status :: 3 - Alpha",
+        # "Development Status :: 4 - Beta",
+        # 'Development Status :: 5 - Production/Stable',
+        # 'Development Status :: 6 - Mature',
+        # 'Framework :: AsyncIO',
+        # 'Framework :: Flask',
+        # 'Framework :: Sphinx',
+        # 'Environment :: Web Environment',
+        "Intended Audience :: Developers",
+        # 'Intended Audience :: End Users/Desktop',
+        # 'Intended Audience :: Science/Research',
+        # 'Intended Audience :: System Administrators',
+        # 'License :: Other/Proprietary License',
+        # 'License :: OSI Approved :: GNU General Public License v3 (GPLv3)',
+        "License :: OSI Approved :: MIT License",
+        # "License :: OSI Approved :: Apache Software License",
+        "Natural Language :: English",
+        "Operating System :: POSIX :: Linux",
+        "Operating System :: MacOS :: MacOS X",
+        "Operating System :: Microsoft :: Windows",
+        "Programming Language :: Python",
+        "Programming Language :: Python :: 3 :: Only",
+        "Programming Language :: Python :: 3.6",
+        "Programming Language :: Python :: 3.7",
+        "Programming Language :: Python :: 3.8",
+        "Programming Language :: Rust",
+        # 'Programming Language :: Python :: Implementation :: PyPy',
+    ],
     rust_extensions=[
         RustExtension(
             # Python package name before the dot, name of C extension to
@@ -19,7 +83,7 @@
     packages=["jsonlogic_rs"],
     package_dir={"": "py"},
     include_package_data=True,
-    setup_requires=setup_requires,
+    setup_requires=SETUP_REQUIRES,
     # rust extensions are not zip safe, just like C-extensions.
     zip_safe=False,
 )