pep517.build is dead or dying.

Author: Julian

.github/workflows/packaging.yml

@@ -20,12 +20,9 @@ jobs:
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
-      run: python -m pip install pep517
-    - name: Evade 'pypa/pep517#74'
-      run: python -m pip install -U setuptools setuptools-scm pip wheel
-      if: startsWith(matrix.python-version, 'pypy')
+      run: python -m pip install build
     - name: Create packages
-      run: python -m pep517.build .
+      run: python -m build .
     - uses: actions/upload-artifact@master
       with:
         name: dist-${{ matrix.os }}-${{ matrix.python-version }}

tox.ini

@@ -37,9 +37,9 @@ commands =
     perf: {envpython} {toxinidir}/jsonschema/benchmarks/issue232.py --inherit-environ JSON_SCHEMA_TEST_SUITE --output {envtmpdir}/benchmarks/issue232.json
     perf: {envpython} {toxinidir}/jsonschema/benchmarks/json_schema_test_suite.py --inherit-environ JSON_SCHEMA_TEST_SUITE --output {envtmpdir}/benchmarks/json_schema_test_suite.json
 
-    build: {envpython} -m pep517.check {toxinidir}
+    build: {envpython} -m build {toxinidir} --outdir {envtmpdir}/dist
 deps =
-    build: pep517
+    build: build
 
     perf: pyperf
 
@@ -54,11 +54,11 @@ commands = {envbindir}/bandit --recursive {toxinidir}/jsonschema
 
 [testenv:readme]
 deps =
+    build
     docutils
-    pep517
     twine
 commands =
-    {envpython} -m pep517.build --out-dir {envtmpdir}/dist {toxinidir}
+    {envpython} -m build --outdir {envtmpdir}/dist {toxinidir}
     {envpython} -m twine check {envtmpdir}/dist/*
     {envbindir}/rst2html5.py --halt=warning {toxinidir}/CHANGELOG.rst /dev/null