feat: add GitHub Actions workflow for running tests on push and pull request

pack.py

@@ -1,4 +1,8 @@
+import subprocess
+import sys
+import tempfile
 import tomllib
+from dataclasses import dataclass
 from pathlib import Path
 from zipfile import ZIP_DEFLATED, ZipFile
 
@@ -6,11 +10,57 @@ from zipfile import ZIP_DEFLATED, ZipFile
 PROJECT_ROOT = Path(__file__).resolve().parent
 SOURCE_DIR = PROJECT_ROOT / "src" / "snapform"
 DIST_DIR = PROJECT_ROOT / "dist"
-PLATFORMS = ("windows-x64", "macos-arm64", "linux-x64")
+PYTHON_VERSION = "3.11"
 
 
-def manifest_for_platform(platform):
-    """Return the manifest text declaring only the given platform."""
+@dataclass(frozen=True)
+class Platform:
+    pip_platform: str
+
+
+PLATFORM_CONFIGS = {
+    "windows-x64": Platform(pip_platform="win_amd64"),
+    "macos-arm64": Platform(pip_platform="macosx_12_0_arm64"),
+    "linux-x64": Platform(pip_platform="manylinux2014_x86_64"),
+}
+PLATFORMS = tuple(PLATFORM_CONFIGS)
+
+
+def project_dependencies():
+    """Return Extension wheel requirements declared by the project."""
+    project = tomllib.loads(
+        (PROJECT_ROOT / "pyproject.toml").read_text(encoding="utf-8")
+    )["project"]
+    return project.get("dependencies", [])
+
+
+def download_wheels(platform, destination):
+    """Download default dependencies as wheels for one target platform."""
+    dependencies = project_dependencies()
+    if not dependencies:
+        return []
+    config = PLATFORM_CONFIGS[platform]
+    command = [
+        sys.executable,
+        "-m",
+        "pip",
+        "download",
+        *dependencies,
+        "--dest",
+        str(destination),
+        "--only-binary=:all:",
+        f"--python-version={PYTHON_VERSION}",
+        f"--platform={config.pip_platform}",
+    ]
+    subprocess.run(command, check=True)
+    wheels = sorted(destination.glob("*.whl"))
+    if not wheels:
+        raise RuntimeError(f"No wheels downloaded for {platform}")
+    return wheels
+
+
+def manifest_for_platform(platform, wheels):
+    """Return manifest text for one platform and its downloaded wheels."""
     text = (SOURCE_DIR / "blender_manifest.toml").read_text(encoding="utf-8")
     lines = text.splitlines()
     table_start = next(
@@ -19,22 +69,30 @@ def manifest_for_platform(platform):
     )
     head = lines[:table_start]
     tail = lines[table_start:]
-    head = [line for line in head if not line.strip().startswith("platforms =")]
-    # 插入顶层区域，避免 platforms 被解析为后续 table 的子键。
-    # 放在 blender_version_min 后面，使扩展元数据保持易读。
+    head = [
+        line
+        for line in head
+        if not line.strip().startswith(("platforms =", "wheels ="))
+    ]
     insert_at = next(
-        (i + 1 for i, line in enumerate(head) if line.strip().startswith("blender_version_min")),
+        (
+            i + 1
+            for i, line in enumerate(head)
+            if line.strip().startswith("blender_version_min")
+        ),
         len(head),
     )
     head.insert(insert_at, f'platforms = ["{platform}"]')
-    lines = head + tail
-    return "\n".join(lines) + "\n"
+    wheel_names = ", ".join(
+        f'"./wheels/{wheel.name}"' for wheel in wheels
+    )
+    head.insert(insert_at + 1, f"wheels = [{wheel_names}]")
+    return "\n".join(head + tail) + "\n"
 
 
-def build_extension(platform):
-    if platform not in PLATFORMS:
-        raise ValueError(f"Unsupported platform: {platform}")
-    manifest = tomllib.loads(manifest_for_platform(platform))
+def _build_extension(platform, wheels):
+    manifest_text = manifest_for_platform(platform, wheels)
+    manifest = tomllib.loads(manifest_text)
     output_path = DIST_DIR / (
         f"{manifest['name']}.v{manifest['version']}.{platform}.zip"
     )
@@ -46,16 +104,25 @@ def build_extension(platform):
             if "__pycache__" in source_path.parts:
                 continue
             relative_path = source_path.relative_to(SOURCE_DIR)
+            if relative_path.parts[0] == "wheels":
+                continue
             if source_path.name == "blender_manifest.toml":
                 continue
             archive.write(source_path, relative_path)
-        archive.writestr(
-            "blender_manifest.toml",
-            manifest_for_platform(platform),
-        )
+        archive.writestr("blender_manifest.toml", manifest_text)
+        for wheel in wheels:
+            archive.write(wheel, Path("wheels") / wheel.name)
     return output_path
 
 
+def build_extension(platform):
+    if platform not in PLATFORMS:
+        raise ValueError(f"Unsupported platform: {platform}")
+    with tempfile.TemporaryDirectory() as directory:
+        wheels = download_wheels(platform, Path(directory))
+        return _build_extension(platform, wheels)
+
+
 def build_all():
     return [build_extension(platform) for platform in PLATFORMS]