feature: add CPython 3.11 support

test/test_limited_api.py

@@ -45,6 +45,6 @@ def test(tmp_path):
     expected_wheels = [
         w.replace("cp38-cp38", "cp38-abi3")
         for w in utils.expected_wheels("spam", "0.1.0")
-        if "-pp" not in w and "-cp39" not in w and "-cp310" not in w
+        if "-pp" not in w and "-cp39" not in w and "-cp310" not in w and "-cp311" not in w
     ]
     assert set(actual_wheels) == set(expected_wheels)

test/test_manylinuxXXXX_only.py

@@ -72,8 +72,8 @@ def test(manylinux_image, tmp_path):
         # We don't have a manylinux1 image for PyPy & CPython 3.10 and above
         add_env["CIBW_SKIP"] = "pp* cp31*"
     if manylinux_image in {"manylinux2010"}:
-        # We don't have a manylinux2010 image for PyPy 3.9
-        add_env["CIBW_SKIP"] = "pp39*"
+        # We don't have a manylinux2010 image for PyPy 3.9, CPython 3.11
+        add_env["CIBW_SKIP"] = "pp39* cp311*"
 
     actual_wheels = utils.cibuildwheel_run(project_dir, add_env=add_env)
 
@@ -92,6 +92,6 @@ def test(manylinux_image, tmp_path):
         # remove PyPy & CPython 3.10 and above
         expected_wheels = [w for w in expected_wheels if "-pp" not in w and "-cp31" not in w]
     if manylinux_image in {"manylinux2010"}:
-        # remove PyPy 3.9
-        expected_wheels = [w for w in expected_wheels if "-pp39" not in w]
+        # remove PyPy 3.9 & CPython 3.11
+        expected_wheels = [w for w in expected_wheels if "-pp39" not in w and "-cp311" not in w]
     assert set(actual_wheels) == set(expected_wheels)

test/utils.py

@@ -139,14 +139,21 @@ def expected_wheels(
     if musllinux_versions is None:
         musllinux_versions = ["musllinux_1_1"]
 
-    python_abi_tags = ["cp36-cp36m", "cp37-cp37m", "cp38-cp38", "cp39-cp39", "cp310-cp310"]
+    python_abi_tags = [
+        "cp36-cp36m",
+        "cp37-cp37m",
+        "cp38-cp38",
+        "cp39-cp39",
+        "cp310-cp310",
+        "cp311-cp311",
+    ]
 
     if machine_arch in ["x86_64", "AMD64", "x86", "aarch64"]:
         python_abi_tags += ["pp37-pypy37_pp73", "pp38-pypy38_pp73", "pp39-pypy39_pp73"]
 
     if platform == "macos" and machine_arch == "arm64":
-        # currently, arm64 macs are only supported by cp39 & cp310
-        python_abi_tags = ["cp39-cp39", "cp310-cp310"]
+        # currently, arm64 macs are only supported by cp39, cp310 & cp311
+        python_abi_tags = ["cp39-cp39", "cp310-cp310", "cp311-cp311"]
 
     wheels = []