feat: add armv7l in auto_archs when running on aarch64 (#2259)

* feat: add armv7l in auto_archs when running on aarch64

This depends on aarch32 EL0 support and thus is done conditionally.

* ci(travis): move to Ubuntu 22.04 / cp312

unit_test/architecture_test.py

@@ -1,10 +1,12 @@
 from __future__ import annotations
 
 import platform as platform_module
+import shutil
 import sys
 
 import pytest
 
+import cibuildwheel.architecture
 from cibuildwheel.architecture import Architecture
 
 
@@ -24,6 +26,7 @@ def platform_machine(request, monkeypatch):
     platform_name, platform_value, machine_value, machine_name = request.param
     monkeypatch.setattr(sys, "platform", platform_value)
     monkeypatch.setattr(platform_module, "machine", lambda: machine_value)
+    monkeypatch.setattr(cibuildwheel.architecture, "_check_aarch32_el0", lambda: True)
     return platform_name, machine_name
 
 
@@ -34,7 +37,7 @@ def test_arch_auto(platform_machine):
     expected = {
         "32": {Architecture.i686},
         "64": {Architecture.x86_64, Architecture.i686},
-        "arm": {Architecture.aarch64},
+        "arm": {Architecture.aarch64, Architecture.armv7l},
     }
     assert arch_set == expected[machine_name]
 
@@ -71,7 +74,7 @@ def test_arch_auto32(platform_machine):
     platform_name, machine_name = platform_machine
 
     arch_set = Architecture.parse_config("auto32", "linux")
-    expected = {"32": {Architecture.i686}, "64": {Architecture.i686}, "arm": set()}
+    expected = {"32": {Architecture.i686}, "64": {Architecture.i686}, "arm": {Architecture.armv7l}}
     assert arch_set == expected[machine_name]
 
     arch_set = Architecture.parse_config("auto32", "macos")
@@ -80,3 +83,18 @@ def test_arch_auto32(platform_machine):
     arch_set = Architecture.parse_config("auto32", "windows")
     expected = {"32": {Architecture.x86}, "64": {Architecture.x86}, "arm": set()}
     assert arch_set == expected[machine_name]
+
+
+def test_arch_auto_no_aarch32(monkeypatch):
+    monkeypatch.setattr(sys, "platform", "linux")
+    monkeypatch.setattr(platform_module, "machine", lambda: "aarch64")
+    monkeypatch.setattr(shutil, "which", lambda *args, **kwargs: None)
+
+    arch_set = Architecture.parse_config("auto", "linux")
+    assert arch_set == {Architecture.aarch64}
+
+    arch_set = Architecture.parse_config("auto64", "linux")
+    assert arch_set == {Architecture.aarch64}
+
+    arch_set = Architecture.parse_config("auto32", "linux")
+    assert len(arch_set) == 0

unit_test/main_tests/conftest.py

@@ -8,7 +8,7 @@ from pathlib import Path
 
 import pytest
 
-from cibuildwheel import __main__, linux, macos, pyodide, windows
+from cibuildwheel import __main__, architecture, linux, macos, pyodide, windows
 from cibuildwheel.util import file
 
 
@@ -44,8 +44,8 @@ def mock_protection(monkeypatch):
     monkeypatch.setattr(linux, "build", fail_on_call)
     monkeypatch.setattr(macos, "build", fail_on_call)
     monkeypatch.setattr(pyodide, "build", fail_on_call)
-
     monkeypatch.setattr(Path, "mkdir", ignore_call)
+    monkeypatch.setattr(architecture, "_check_aarch32_el0", lambda: True)
 
 
 @pytest.fixture(autouse=True)

unit_test/oci_container_test.py

@@ -555,7 +555,7 @@ def test_local_image(
 ) -> None:
     if (
         detect_ci_provider() in {CIProvider.travis_ci}
-        and pm in {"s390x", "ppc64le"}
+        and pm != "x86_64"
         and platform != DEFAULT_OCI_PLATFORM
     ):
         pytest.skip("Skipping test because docker on this platform does not support QEMU")
@@ -585,7 +585,7 @@ def test_local_image(
 def test_multiarch_image(container_engine, platform):
     if (
         detect_ci_provider() in {CIProvider.travis_ci}
-        and pm in {"s390x", "ppc64le"}
+        and pm != "x86_64"
         and platform != DEFAULT_OCI_PLATFORM
     ):
         pytest.skip("Skipping test because docker on this platform does not support QEMU")