Making manylinux1 still the default for manylinux_i686 builds

cibuildwheel/__main__.py

@@ -146,7 +146,7 @@ def main():
         # TODO Add documentation on CIBW_ENVIRONMENT and possibility of AUDITWHEEL_PLAT if not defined by custom manylinux image
 
         manylinux_x86_64_image = os.environ.get('CIBW_MANYLINUX_X86_64_IMAGE', 'manylinux2010')
-        manylinux_i686_image = os.environ.get('CIBW_MANYLINUX_I686_IMAGE', '')
+        manylinux_i686_image = os.environ.get('CIBW_MANYLINUX_I686_IMAGE', 'manylinux1')
 
         default_manylinux_images_x86_64 = {'manylinux1': 'quay.io/pypa/manylinux1_x86_64',
                                            'manylinux2010': 'quay.io/pypa/manylinux2010_x86_64'}

cibuildwheel/linux.py

@@ -47,8 +47,6 @@ def build(project_dir, output_dir, test_command, test_requires, test_extras, bef
     ]
 
     for platform_tag, docker_image in platforms:
-        if not docker_image:
-            continue
         platform_configs = [c for c in python_configurations if c.identifier.endswith(platform_tag)]
         if not platform_configs:
             continue

test/01_basic/cibuildwheel_test.py

@@ -17,6 +17,9 @@ def test():
 def test_build_identifiers():
     # check that the number of expected wheels matches the number of build
     # identifiers
-    expected_wheels = utils.expected_wheels('spam', '0.1.0')
+    # after adding CIBW_MANYLINUX_IMAGE to support manylinux2010, there
+    # can be multiple wheels for each wheel, though, so we need to limit
+    # the expected wheels
+    expected_wheels = utils.expected_wheels('spam', '0.1.0', manylinux_x86_64_versions={'manylinux2010'}, manylinux_i686_versions={'manylinux1'})
     build_identifiers = utils.cibuildwheel_get_build_identifiers(project_dir)
     assert len(expected_wheels) == len(build_identifiers)

test/06_docker_images/cibuildwheel_test.py

@@ -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={'manylinux1_x86_64', 'manylinux2010_x86_64', 'manylinux1_i686'})
+    expected_wheels = utils.expected_wheels('spam', '0.1.0')
     actual_wheels = os.listdir('wheelhouse')
     assert set(actual_wheels) == set(expected_wheels)

test/08_manylinux2010_only/cibuildwheel_test.py

@@ -12,9 +12,11 @@ def test():
     # rather than when dynamically loading the Python 
     utils.cibuildwheel_run(project_dir, add_env={
         'CIBW_ENVIRONMENT': 'CFLAGS="$CFLAGS -Werror=implicit-function-declaration"',
+        'CIBW_SKIP': '*-manylinux_i686',
     })
     
     # also check that we got the right wheels
-    expected_wheels = utils.expected_wheels('spam', '0.1.0', manylinux_versions={'manylinux2010_x86_64'})
+    expected_wheels = [w for w in utils.expected_wheels('spam', '0.1.0', manylinux_x86_64_versions={'manylinux2010'})
+                       if '-manylinux1_i686' not in w]
     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={'manylinux1_x86_64', 'manylinux2010_x86_64'}):
+def expected_wheels(package_name, package_version, manylinux_x86_64_versions={'manylinux1', 'manylinux2010'}, manylinux_i686_versions={'manylinux1'}):
     '''
     Returns a list of expected wheels from a run of cibuildwheel.
     '''
     if platform == 'linux':
         templates = []
-        if 'manylinux1_x86_64' in manylinux_versions:
+        if 'manylinux1' in manylinux_x86_64_versions:
             templates += [
                 '{package_name}-{package_version}-cp27-cp27m-manylinux1_x86_64.whl',
                 '{package_name}-{package_version}-cp27-cp27mu-manylinux1_x86_64.whl',
@@ -57,16 +57,7 @@ def expected_wheels(package_name, package_version, manylinux_versions={'manylinu
                 '{package_name}-{package_version}-cp36-cp36m-manylinux1_x86_64.whl',
                 '{package_name}-{package_version}-cp37-cp37m-manylinux1_x86_64.whl',
             ]
-        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',
-                '{package_name}-{package_version}-cp34-cp34m-manylinux1_i686.whl',
-                '{package_name}-{package_version}-cp35-cp35m-manylinux1_i686.whl',
-                '{package_name}-{package_version}-cp36-cp36m-manylinux1_i686.whl',
-                '{package_name}-{package_version}-cp37-cp37m-manylinux1_i686.whl',
-            ]
-        if 'manylinux2010_x86_64' in manylinux_versions:
+        if 'manylinux2010' in manylinux_x86_64_versions:
             templates += [
                 '{package_name}-{package_version}-cp27-cp27m-manylinux2010_x86_64.whl',
                 '{package_name}-{package_version}-cp27-cp27mu-manylinux2010_x86_64.whl',
@@ -75,6 +66,15 @@ def expected_wheels(package_name, package_version, manylinux_versions={'manylinu
                 '{package_name}-{package_version}-cp36-cp36m-manylinux2010_x86_64.whl',
                 '{package_name}-{package_version}-cp37-cp37m-manylinux2010_x86_64.whl',
             ]
+        if 'manylinux1' in manylinux_i686_versions:
+            templates += [
+                '{package_name}-{package_version}-cp27-cp27m-manylinux1_i686.whl',
+                '{package_name}-{package_version}-cp27-cp27mu-manylinux1_i686.whl',
+                '{package_name}-{package_version}-cp34-cp34m-manylinux1_i686.whl',
+                '{package_name}-{package_version}-cp35-cp35m-manylinux1_i686.whl',
+                '{package_name}-{package_version}-cp36-cp36m-manylinux1_i686.whl',
+                '{package_name}-{package_version}-cp37-cp37m-manylinux1_i686.whl',
+            ]
     elif platform == 'windows':
         templates = [
             '{package_name}-{package_version}-cp27-cp27m-win32.whl',