Merge pull request #685 from common-workflow-language/python_requires

Use python_requires

Author: mr-c

release-test.sh

@@ -9,6 +9,8 @@ slug=${TRAVIS_PULL_REQUEST_SLUG:=common-workflow-language/cwltool}
 repo=https://github.com/${slug}.git
 run_tests="bin/py.test --ignore ${module}/schemas/ --pyarg cwltool"
 pipver=7.0.2 # minimum required version of pip
+setuptoolsver=24.2.0 # required to generate correct metadata for
+                     # python_requires
 
 rm -Rf testenv? || /bin/true
 
@@ -22,7 +24,7 @@ then
 	source testenv1/bin/activate
 	rm testenv1/lib/python-wheels/setuptools* \
 		&& pip install --force-reinstall -U pip==${pipver} \
-	        && pip install setuptools==20.10.1 wheel
+	        && pip install setuptools==${setuptoolsver} wheel
 	make install-dep
 	make test
 	pip uninstall -y ${package} || true; pip uninstall -y ${package} || true; make install
@@ -46,7 +48,7 @@ cd testenv2
 source bin/activate
 rm lib/python-wheels/setuptools* \
 	&& pip install --force-reinstall -U pip==${pipver} \
-        && pip install setuptools==20.10.1 wheel
+        && pip install setuptools==${setuptoolsver} wheel
 pip install -e "git+${repo}@${HEAD}#egg=${package}"
 cd src/${package}
 make install-dep
@@ -66,7 +68,7 @@ cd ../testenv3/
 source bin/activate
 rm lib/python-wheels/setuptools* \
 	&& pip install --force-reinstall -U pip==${pipver} \
-        && pip install setuptools==20.10.1 wheel
+        && pip install setuptools==${setuptoolsver} wheel
 pip install ${package}*tar.gz
 pip install pytest mock
 mkdir out

setup.py

@@ -60,6 +60,7 @@
       extras_require={
           'deps': ["galaxy-lib >= 17.09.3"]
       },
+      python_requires='>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, <4',
       setup_requires=[] + pytest_runner,
       test_suite='tests',
       tests_require=['pytest', 'mock >= 2.0.0',],