feat: add PyPy macOS arm64 (#1372)

* feat: add PyPy macOS arm64
* fix: use PyPy 7.3.11
* fix: filter-out unsupported PyPy cross-compilation configs
* Add quiet notice about the auto-skipping of arm64 pp builds on x86_64

Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>
Co-authored-by: Henry Schreiner <henryschreineriii@gmail.com>
Co-authored-by: Joe Rickerby <joerick@mac.com>

cibuildwheel/logger.py

@@ -126,6 +126,10 @@ class Logger:
         self.step_end(success=False)
         self.error(error)
 
+    def quiet(self, message: str) -> None:
+        c = self.colors
+        print(f"{c.gray}{message}{c.end}", file=sys.stderr)
+
     def notice(self, message: str) -> None:
         if self.fold_mode == "github":
             print(f"::notice::{message}\n", file=sys.stderr)

cibuildwheel/macos.py

@@ -84,7 +84,31 @@ def get_python_configurations(
     ]
 
     # skip builds as required by BUILD/SKIP
-    return [c for c in python_configurations if build_selector(c.identifier)]
+    python_configurations = [c for c in python_configurations if build_selector(c.identifier)]
+
+    # filter-out some cross-compilation configs with PyPy:
+    # can't build arm64 on x86_64
+    # rosetta allows to build x86_64 on arm64
+    if platform.machine() == "x86_64":
+        python_configurations_before = set(python_configurations)
+        python_configurations = [
+            c
+            for c in python_configurations
+            if not (c.identifier.startswith("pp") and c.identifier.endswith("arm64"))
+        ]
+        removed_elements = python_configurations_before - set(python_configurations)
+        if removed_elements:
+            ids = ", ".join(c.identifier for c in removed_elements)
+            log.quiet(
+                unwrap(
+                    f"""
+                    Note: {ids}  {'was' if len(removed_elements) == 1 else 'were'}
+                    selected, but can't be built on x86_64 so will be skipped automatically.
+                    """
+                )
+            )
+
+    return python_configurations
 
 
 def install_cpython(tmp: Path, version: str, url: str) -> Path:

cibuildwheel/resources/build-platforms.toml

@@ -89,7 +89,9 @@ python_configurations = [
   { identifier = "cp311-macosx_universal2", version = "3.11", url = "https://www.python.org/ftp/python/3.11.1/python-3.11.1-macos11.pkg" },
   { identifier = "pp37-macosx_x86_64", version = "3.7", url = "https://downloads.python.org/pypy/pypy3.7-v7.3.9-osx64.tar.bz2" },
   { identifier = "pp38-macosx_x86_64", version = "3.8", url = "https://downloads.python.org/pypy/pypy3.8-v7.3.11-macos_x86_64.tar.bz2" },
+  { identifier = "pp38-macosx_arm64", version = "3.8", url = "https://downloads.python.org/pypy/pypy3.8-v7.3.11-macos_arm64.tar.bz2" },
   { identifier = "pp39-macosx_x86_64", version = "3.9", url = "https://downloads.python.org/pypy/pypy3.9-v7.3.11-macos_x86_64.tar.bz2" },
+  { identifier = "pp39-macosx_arm64", version = "3.9", url = "https://downloads.python.org/pypy/pypy3.9-v7.3.11-macos_arm64.tar.bz2" },
 ]
 
 [windows]