Merge pull request #377 from YannickJadoul/python3.9

Add Python 3.9 (beta 3) to builds

test/test_docker_images.py

@@ -32,10 +32,10 @@ def test(tmp_path):
     actual_wheels = utils.cibuildwheel_run(project_dir, add_env={
         'CIBW_MANYLINUX_X86_64_IMAGE': 'dockcross/manylinux2010-x64',
         'CIBW_MANYLINUX_I686_IMAGE': 'dockcross/manylinux2010-x86',
-        'CIBW_SKIP': 'pp*',
+        'CIBW_SKIP': 'pp* cp39-*',
     })
 
     # also check that we got the right wheels built
     expected_wheels = [w for w in utils.expected_wheels('spam', '0.1.0')
-                       if '-pp' not in w]
+                       if '-pp' not in w and '-cp39-' not in w]
     assert set(actual_wheels) == set(expected_wheels)

test/utils.py

@@ -90,7 +90,7 @@ def expected_wheels(package_name, package_version, manylinux_versions=None,
         else:
             manylinux_versions = ['manylinux2014']
 
-    python_abi_tags = ['cp35-cp35m', 'cp36-cp36m', 'cp37-cp37m', 'cp38-cp38']
+    python_abi_tags = ['cp35-cp35m', 'cp36-cp36m', 'cp37-cp37m', 'cp38-cp38', 'cp39-cp39']
 
     if pm.machine() in ['x86_64', 'AMD64', 'x86']:
         python_abi_tags += ['cp27-cp27m', 'pp27-pypy_73', 'pp36-pypy36_pp73']