Just rely on pep517.check.

Author: Julian

tox.ini

@@ -15,11 +15,7 @@ changedir =
 setenv =
     JSON_SCHEMA_TEST_SUITE = {toxinidir}/json
 whitelist_externals =
-    python2.7
     mkdir
-    rm
-    sh
-    virtualenv
 commands =
     perf,tests: {envpython} -m pip install '{toxinidir}[format]'
     tests_nongpl: {envpython} -m pip install '{toxinidir}[format_nongpl]'
@@ -32,23 +28,7 @@ commands =
     perf: {envpython} {toxinidir}/jsonschema/benchmarks/json_schema_test_suite.py --inherit-environ JSON_SCHEMA_TEST_SUITE --output {envtmpdir}/benchmarks/json_schema_test_suite.json
 
     # Check to make sure that releases build and install properly
-    build: virtualenv --quiet --python=python2.7 {envtmpdir}/venv
-    build: {envtmpdir}/venv/bin/python -m pip install --quiet wheel
-
-    build: {envtmpdir}/venv/bin/python {toxinidir}/setup.py --quiet bdist_wheel --dist-dir={envtmpdir}/wheel
-    build: sh -c '{envpython} -m pip install --quiet --upgrade --force-reinstall {envtmpdir}/wheel/jsonschema*.whl'
-
-    build: python2.7 {toxinidir}/setup.py --quiet sdist --dist-dir={envtmpdir}/sdist --format=gztar,zip
-    build: sh -c '{envpython} -m pip install --quiet --upgrade --force-reinstall {envtmpdir}/sdist/jsonschema*.tar.gz'
-    build: sh -c '{envpython} -m pip install --quiet --upgrade --force-reinstall {envtmpdir}/sdist/jsonschema*.zip'
-
     build: {envpython} -m pep517.check {toxinidir}
-
-    # FIXME: This has side effects! But it's not my fault... I can't
-    #        figure out yet how to get setuptools to not create this directory
-    #        here yet. But whatever, probably this will change to pep517.build
-    #        soon anways.
-    build: rm -rf {toxinidir}/jsonschema.egg-info
 deps =
     build: pep517