feat: Python 3.15 build by default (#2944)

unit_test/build_selector_test.py

@@ -16,6 +16,7 @@ def test_build() -> None:
     assert build_selector("cp312-manylinux_x86_64")
     assert build_selector("cp313-manylinux_x86_64")
     assert build_selector("cp314-manylinux_x86_64")
+    assert build_selector("cp315-manylinux_x86_64")
     assert build_selector("pp311-manylinux_x86_64")
     assert build_selector("cp36-manylinux_i686")
     assert build_selector("cp37-manylinux_i686")
@@ -37,6 +38,7 @@ def test_build() -> None:
     assert build_selector("cp312-win_amd64")
     assert build_selector("cp313-win_amd64")
     assert build_selector("cp314-win_amd64")
+    assert build_selector("cp315-win_amd64")
     assert not build_selector("pp310-win_amd64")
     assert not build_selector("pp311-win_amd64")
 
@@ -100,7 +102,7 @@ def test_build_filter_pyodide() -> None:
     assert build_selector("cp313-pyodide_wasm32")
     assert build_selector("cp314-pyodide_wasm32")
     assert not build_selector("cp312-pyodide_wasm32")
-    assert not build_selector("cp315-pyodide_wasm32")
+    assert build_selector("cp315-pyodide_wasm32")
 
 
 def test_build_filter_pyodide_eol() -> None:
@@ -112,7 +114,7 @@ def test_build_filter_pyodide_eol() -> None:
     assert build_selector("cp312-pyodide_wasm32")
     assert build_selector("cp313-pyodide_wasm32")
     assert build_selector("cp314-pyodide_wasm32")
-    assert not build_selector("cp315-pyodide_wasm32")
+    assert build_selector("cp315-pyodide_wasm32")
 
 
 def test_skip() -> None:

unit_test/linux_build_steps_test.py

@@ -97,9 +97,11 @@ def test_linux_container_split(tmp_path: Path, monkeypatch: pytest.MonkeyPatch)
         "cp313-manylinux_x86_64",
         "cp314-manylinux_x86_64",
         "cp314t-manylinux_x86_64",
+        "cp315-manylinux_x86_64",
+        "cp315t-manylinux_x86_64",
     ]
-    assert before_alls(build_steps[3]) == [""] * 4
-    assert container_engines(build_steps[3]) == [default_container_engine] * 4
+    assert before_alls(build_steps[3]) == [""] * 6
+    assert container_engines(build_steps[3]) == [default_container_engine] * 6
 
 
 def test_package_dir_outside_working_directory_raises_configuration_error(

unit_test/option_prepare_test.py

@@ -13,7 +13,7 @@ from cibuildwheel.__main__ import main
 from cibuildwheel.oci_container import OCIPlatform
 from cibuildwheel.util import file
 
-DEFAULT_IDS = {"cp39", "cp310", "cp311", "cp312", "cp313", "cp314", "cp314t"}
+DEFAULT_IDS = {"cp39", "cp310", "cp311", "cp312", "cp313", "cp314", "cp314t", "cp315", "cp315t"}
 ALL_IDS = DEFAULT_IDS | {"pp39", "pp310", "pp311", "gp312_250"}
 
 
@@ -155,6 +155,8 @@ before-all = "true"
             "cp313",
             "cp314",
             "cp314t",
+            "cp315",
+            "cp315t",
             "pp39",
             "pp310",
             "pp311",
@@ -176,6 +178,8 @@ before-all = "true"
             "cp313",
             "cp314",
             "cp314t",
+            "cp315",
+            "cp315t",
             "pp39",
             "pp310",
             "pp311",