Updated preset values for CIBW_MANYLINUX_*_IMAGE, fixed skip message in 08_manylinux2010_only test, and added clarifying comment on multiple wheels in Linux bash script

cibuildwheel/__main__.py

@@ -147,9 +147,12 @@ def main():
         manylinux_x86_64_image = os.environ.get('CIBW_MANYLINUX_X86_64_IMAGE', '2010')
         manylinux_i686_image = os.environ.get('CIBW_MANYLINUX_I686_IMAGE', '')
 
-        default_manylinux_images_x86_64 = {'1': 'quay.io/pypa/manylinux1_x86_64',
-                                           '2010': 'quay.io/pypa/manylinux2010_x86_64'}
-        default_manylinux_images_i686 = {'1': 'quay.io/pypa/manylinux1_i686'}
+        manylinux_x86_64_image = os.environ.get('CIBW_MANYLINUX_X86_64_IMAGE', 'manylinux2010')
+        manylinux_i686_image = os.environ.get('CIBW_MANYLINUX_I686_IMAGE', '')
+
+        default_manylinux_images_x86_64 = {'manylinux1': 'quay.io/pypa/manylinux1_x86_64',
+                                           'manylinux2010': 'quay.io/pypa/manylinux2010_x86_64'}
+        default_manylinux_images_i686 = {'manylinux1': 'quay.io/pypa/manylinux1_i686'}
 
         build_options.update(
             manylinux_images={'x86_64': default_manylinux_images_x86_64.get(manylinux_x86_64_image) or manylinux_x86_64_image,

cibuildwheel/linux.py

@@ -102,6 +102,11 @@ def build(project_dir, output_dir, test_command, test_requires, test_extras, bef
                         echo "Running tests using `which python`"
 
                         # Install the wheel we just built
+                        # Note: If auditwheel produced two wheels, it's because the earlier produced wheel
+                        # conforms to multiple manylinux standards. These multiple versions of the wheel are
+                        # functionally the same, differing only in name, wheel metadata, and possibly include
+                        # different external shared libraries. so it doesn't matter which one we run the tests on.
+                        # Let's just pick the first one.
                         pip install "${{delocated_wheels[0]}}"{test_extras}
 
                         # Install any requirements to run the tests

test/06_docker_images/cibuildwheel_test.py

@@ -5,7 +5,7 @@ def test():
     project_dir = os.path.dirname(__file__)
 
     if utils.platform != 'linux':
-        pytest.skip('the docker test is only relevant to the linux build')
+        pytest.skip('the test is only relevant to the linux build')
 
     utils.cibuildwheel_run(project_dir, add_env={
         'CIBW_MANYLINUX_X86_64_IMAGE': 'dockcross/manylinux2010-x64',
@@ -15,6 +15,6 @@ def test():
     })
 
     # also check that we got the right wheels built
-    expected_wheels = utils.expected_wheels('spam', '0.1.0', manylinux_versions={'1_x86_64', '2010_x86_64', '1_i686'})
+    expected_wheels = utils.expected_wheels('spam', '0.1.0', manylinux_versions={'manylinux1_x86_64', 'manylinux2010_x86_64', 'manylinux1_i686'})
     actual_wheels = os.listdir('wheelhouse')
     assert set(actual_wheels) == set(expected_wheels)

test/08_manylinux2010_only/cibuildwheel_test.py

@@ -15,6 +15,6 @@ def test():
     })
     
     # also check that we got the right wheels
-    expected_wheels = utils.expected_wheels('spam', '0.1.0', manylinux_versions={'2010_x86_64'})
+    expected_wheels = utils.expected_wheels('spam', '0.1.0', manylinux_versions={'manylinux2010_x86_64'})
     actual_wheels = os.listdir('wheelhouse')
     assert set(actual_wheels) == set(expected_wheels)

test/shared/utils.py

@@ -42,13 +42,13 @@ def cibuildwheel_run(project_path, env=None, add_env=None):
     )
 
 
-def expected_wheels(package_name, package_version, manylinux_versions={'1_x86_64', '2010_x86_64'}):
+def expected_wheels(package_name, package_version, manylinux_versions={'manylinux1_x86_64', 'manylinux2010_x86_64'}):
     '''
     Returns a list of expected wheels from a run of cibuildwheel.
     '''
     if platform == 'linux':
         templates = []
-        if '1_x86_64' in manylinux_versions:
+        if 'manylinux1_x86_64' in manylinux_versions:
             templates += [
                 '{package_name}-{package_version}-cp27-cp27m-manylinux1_x86_64.whl',
                 '{package_name}-{package_version}-cp27-cp27mu-manylinux1_x86_64.whl',
@@ -57,7 +57,7 @@ def expected_wheels(package_name, package_version, manylinux_versions={'1_x86_64
                 '{package_name}-{package_version}-cp36-cp36m-manylinux1_x86_64.whl',
                 '{package_name}-{package_version}-cp37-cp37m-manylinux1_x86_64.whl',
             ]
-        if '1_i686' in manylinux_versions:
+        if 'manylinux1_i686' in manylinux_versions:
             templates += [
                 '{package_name}-{package_version}-cp27-cp27m-manylinux1_i686.whl',
                 '{package_name}-{package_version}-cp27-cp27mu-manylinux1_i686.whl',
@@ -66,7 +66,7 @@ def expected_wheels(package_name, package_version, manylinux_versions={'1_x86_64
                 '{package_name}-{package_version}-cp36-cp36m-manylinux1_i686.whl',
                 '{package_name}-{package_version}-cp37-cp37m-manylinux1_i686.whl',
             ]
-        if '2010_x86_64' in manylinux_versions:
+        if 'manylinux2010_x86_64' in manylinux_versions:
             templates += [
                 '{package_name}-{package_version}-cp27-cp27m-manylinux2010_x86_64.whl',
                 '{package_name}-{package_version}-cp27-cp27mu-manylinux2010_x86_64.whl',