Switch to whey as the build backend.

pyproject.toml

@@ -1,6 +1,6 @@
 [build-system]
-requires = [ "setuptools>=40.6.0", "wheel>=0.34.2",]
-build-backend = "setuptools.build_meta"
+requires = [ "whey",]
+build-backend = "whey"
 
 [project]
 name = "repo_helper_devenv"

repo_helper.yml

@@ -10,6 +10,7 @@ version: '0.5.0'
 license: 'MIT'
 short_desc: "Create virtual environments with repo-helper."
 
+use_whey: true
 enable_conda: False
 
 entry_points:

setup.cfg

@@ -6,45 +6,6 @@
 #     * mypy
 #     * options.entry_points
 
-[metadata]
-name = repo_helper_devenv
-version = 0.5.0
-author = Dominic Davis-Foster
-author_email = dominic@davis-foster.co.uk
-license = MIT License
-keywords = virtualenv, repo-helper
-long_description = file: README.rst
-long_description_content_type = text/x-rst
-platforms = Windows, macOS, Linux
-url = https://github.com/repo-helper/repo_helper_devenv
-project_urls =
-    Documentation = https://repo_helper_devenv.readthedocs.io/en/latest
-    Issue Tracker = https://github.com/repo-helper/repo_helper_devenv/issues
-    Source Code = https://github.com/repo-helper/repo_helper_devenv
-classifiers =
-    License :: OSI Approved :: MIT License
-    Operating System :: OS Independent
-    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 :: Python :: 3.9
-    Programming Language :: Python :: Implementation :: CPython
-    Typing :: Typed
-
-[options]
-python_requires = >=3.6.1
-zip_safe = False
-include_package_data = True
-packages = find:
-
-[options.packages.find]
-exclude =
-    doc-source
-    tests
-    tests.*
-
 [mypy]
 python_version = 3.6
 namespace_packages = True