Use distutils-pytest to run the test suite

Author: RKrahl

.github/requirements.txt

@@ -1,3 +1,4 @@
+distutils-pytest
 pathlib ; python_version == '2.7'
 pytest >=3.7.0
 setuptools_scm

Makefile

@@ -5,8 +5,8 @@ BUILDLIB = $(CURDIR)/build/lib
 build:
 	$(PYTHON) setup.py build
 
-test: build
-	PYTHONPATH=$(BUILDLIB) $(PYTHON) -m pytest tests
+test:
+	$(PYTHON) setup.py test
 
 sdist:
 	$(PYTHON) setup.py sdist

README.rst

@@ -45,6 +45,10 @@ Optional library packages:
   package is only needed to build out of the plain development source
   tree as cloned from GitHub.
 
++ `distutils-pytest`_ >= 0.2
+
+  Only needed to run the test suite.
+
 
 Installation
 ------------
@@ -57,7 +61,7 @@ Installation
 
 3. Test (optional)::
 
-     $ PYTHONPATH=build/lib python -m pytest tests
+     $ python setup.py test
 
 4. Install::
 
@@ -102,4 +106,5 @@ permissions and limitations under the License.
 .. _setuptools: http://pypi.python.org/pypi/setuptools/
 .. _pytest: http://pytest.org/
 .. _setuptools_scm: https://github.com/pypa/setuptools_scm/
+.. _distutils-pytest: https://github.com/RKrahl/distutils-pytest
 .. _Read the Docs site: https://pytest-dependency.readthedocs.io/

setup.py

@@ -15,6 +15,11 @@
 from pathlib import Path
 from stat import ST_ATIME, ST_MTIME, ST_MODE, S_IMODE
 import string
+try:
+    import distutils_pytest
+    cmdclass = distutils_pytest.cmdclass
+except (ImportError, AttributeError):
+    cmdclass = dict()
 try:
     import setuptools_scm
     version = setuptools_scm.get_version()
@@ -142,5 +147,5 @@ def run(self):
             "dependency = pytest_dependency",
         ],
     },
-    cmdclass = dict(build_py=build_py, sdist=sdist, meta=meta),
+    cmdclass = dict(cmdclass, build_py=build_py, sdist=sdist, meta=meta),
 )