chore: Migrate from pep517 to python-build (#1066)

* Migrate from the deprecated pep517.build to python-build CLI for builds for packaging
   - c.f. pypa/pyproject-hooks#83
* Remove check stage as done implicitly with python-build
   - c.f. https://github.com/FFY00/python-build/issues/105

.github/workflows/publish-package.yml

@@ -21,20 +21,16 @@ jobs:
  uses: actions/setup-python@v2
  with:
  python-version: 3.8
- - name: Install pep517, check-manifest, and twine
+ - name: Install python-build, check-manifest, and twine
  run: |
  python -m pip install --upgrade pip setuptools wheel
- python -m pip install pep517 --user
- python -m pip install check-manifest twine
+ python -m pip install build check-manifest twine
  - name: Check MANIFEST
  run: |
  check-manifest
- - name: Test the build backend is compliant with PEP517
- run: |
- python -m pep517.check .
  - name: Build a wheel and a sdist
  run: |
- python -m pep517.build --source --binary --out-dir dist/ .
+ python -m build --sdist --wheel --outdir dist/ .
  - name: Verify untagged commits have dev versions
  if: "!startsWith(github.ref, 'refs/tags/')"
  run: |
@@ -44,26 +40,26 @@ jobs:
  wheel_name=$(find dist/ -iname "*.whl" -printf "%f\n")
  if [[ "${latest_tag_revlist_SHA}" != "${master_SHA}" ]]; then # don't check master push events coming from tags
  if [[ "${wheel_name}" == *"pyhf-0.1.dev"* || "${wheel_name}" != *"dev"* ]]; then
- echo "pep517.build incorrectly named built distribution: ${wheel_name}"
- echo "pep517 is lacking the history and tags required to determine version number"
+ echo "python-build incorrectly named built distribution: ${wheel_name}"
+ echo "python-build is lacking the history and tags required to determine version number"
  echo "intentionally erroring with 'return 1' now"
  return 1
  fi
  else
  echo "Push event to origin/master was triggered by push of tag ${latest_tag}"
  fi
- echo "pep517.build named built distribution: ${wheel_name}"
+ echo "python-build named built distribution: ${wheel_name}"
  - name: Verify tagged commits don't have dev versions
  if: startsWith(github.ref, 'refs/tags')
  run: |
  wheel_name=$(find dist/ -iname "*.whl" -printf "%f\n")
  if [[ "${wheel_name}" == *"dev"* ]]; then
- echo "pep517.build incorrectly named built distribution: ${wheel_name}"
+ echo "python-build incorrectly named built distribution: ${wheel_name}"
  echo "this is incorrrectly being treated as a dev release"
  echo "intentionally erroring with 'return 1' now"
  return 1
  fi
- echo "pep517.build named built distribution: ${wheel_name}"
+ echo "python-build named built distribution: ${wheel_name}"
  - name: Verify the distribution
  run: twine check dist/*
  - name: Publish distribution 📦 to Test PyPI