migrate to setup.cfg (#299)

* migrate to setup.cfg

* extract package's version from __init__.py

* factorize extra deps

* Update changelog

* Fix flake8 dep

---------

Co-authored-by: Steven Loria <[email protected]>

CHANGELOG.md

@@ -6,6 +6,7 @@ Other changes:
 
 - _Backwards-incompatible_: Drop support for EOL Python 3.6 and 3.7.
 - Test against Python 3.11.
+- Migrate to setup.cfg. Thanks [deronnax](https://github.com/deronnax) for the PR.
 
 ## 9.5.0 (2022-01-30)
 

setup.cfg

@@ -1,5 +1,60 @@
-[bdist_wheel]
-universal=1
+[metadata]
+name = environs
+version = attr: environs.__version__
+author = Steven Loria
+author_email = [email protected]
+license = MIT
+description = simplified environment variable parsing
+keywords =
+    environment
+    variables
+    parsing
+    config
+    configuration
+    12factor
+    envvars
+url = https://github.com/sloria/environs
+long_description = file: README.md
+long_description_content_type = text/markdown
+classifiers =
+    Intended Audience :: Developers
+    License :: OSI Approved :: MIT License
+    Natural Language :: English
+    Programming Language :: Python :: 3
+    Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
+    Programming Language :: Python :: 3.10
+    Programming Language :: Python :: 3.11
+    Typing :: Typed
+project_urls =
+    Issues = https://github.com/sloria/environs/issues
+    Changelog = https://github.com/sloria/environs/blob/master/CHANGELOG.md
+
+[options]
+packages = environs
+zip_safe = False
+install_requires = marshmallow>=3.0.0; python-dotenv
+python_requires = >=3.7
+
+[options.extras_require]
+django =
+    dj-database-url
+    dj-email-url
+    django-cache-url
+tests =
+    pytest
+    environs[django]
+lint =
+    flake8==6.1.0
+    flake8-bugbear==23.11.28
+    mypy==0.910
+    pre-commit~=3.6
+dev =
+    environs[tests,lint]
+    tox
+
+[options.package_data]
+environs = py.typed
 
 [flake8]
 ignore = E203, E266, E501, W503, B907

setup.py

@@ -1,68 +1,3 @@
-import re
-
 from setuptools import setup
 
-INSTALL_REQUIRES = ["marshmallow>=3.0.0", "python-dotenv"]
-DJANGO_REQUIRES = ["dj-database-url", "dj-email-url", "django-cache-url"]
-EXTRAS_REQUIRE = {
-    "django": DJANGO_REQUIRES,
-    "tests": ["pytest"] + DJANGO_REQUIRES,
-    "lint": ["flake8==6.1.0", "flake8-bugbear==23.11.28", "mypy==0.910", "pre-commit~=3.6"],
-}
-EXTRAS_REQUIRE["dev"] = EXTRAS_REQUIRE["tests"] + EXTRAS_REQUIRE["lint"] + ["tox"]
-PYTHON_REQUIRES = ">=3.8"
-
-
-def find_version(fname):
-    version = ""
-    with open(fname) as fp:
-        reg = re.compile(r'__version__ = [\'"]([^\'"]*)[\'"]')
-        for line in fp:
-            m = reg.match(line)
-            if m:
-                version = m.group(1)
-                break
-    if not version:
-        raise RuntimeError("Cannot find version information")
-    return version
-
-
-def read(fname):
-    with open(fname) as fp:
-        content = fp.read()
-    return content
-
-
-setup(
-    name="environs",
-    packages=["environs"],
-    package_data={"environs": ["py.typed"]},
-    version=find_version("environs/__init__.py"),
-    description="simplified environment variable parsing",
-    long_description=read("README.md"),
-    long_description_content_type="text/markdown",
-    author="Steven Loria",
-    author_email="[email protected]",
-    url="https://github.com/sloria/environs",
-    install_requires=INSTALL_REQUIRES,
-    extras_require=EXTRAS_REQUIRE,
-    license="MIT",
-    zip_safe=False,
-    python_requires=PYTHON_REQUIRES,
-    keywords="environment variables parsing config configuration 12factor envvars",
-    classifiers=[
-        "Intended Audience :: Developers",
-        "License :: OSI Approved :: MIT License",
-        "Natural Language :: English",
-        "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.8",
-        "Programming Language :: Python :: 3.9",
-        "Programming Language :: Python :: 3.10",
-        "Programming Language :: Python :: 3.11",
-        "Typing :: Typed",
-    ],
-    project_urls={
-        "Issues": "https://github.com/sloria/environs/issues",
-        "Changelog": "https://github.com/sloria/environs/blob/master/CHANGELOG.md",
-    },
-)
+setup()