mirror of
https://github.com/gittrahan/support-fins.git
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matthewtrahan
56e23fe43a
mini_racer_wheel(plat, cache) downloads (once) and returns the wheel; vendor_mini_racer unpacks it as before for Cura and FreeCAD.
59 lines
2.5 KiB
Python
59 lines
2.5 KiB
Python
"""mini-racer, vendored into a plugin folder, for hosts whose Python can't pip-install
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(Cura, FreeCAD's bundled Python), or as the wheel itself for a host that installs
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wheels (Blender). Used by their build.py scripts.
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The wheel is tagged py3-none-<platform> (a ctypes library, no CPython ABI), so one copy
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serves every Python of that platform. Wheels are cached per platform.
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"""
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import platform
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import subprocess
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import sys
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import zipfile
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MINI_RACER = "mini-racer==0.14.1" # same pin as the Orca plugin's header
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# wheel platform tag -> (package name suffix, what users call it, sys.platform, machine)
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PLATFORMS = {
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"macosx_11_0_arm64": ("mac-arm64", "macOS (Apple silicon)", "darwin", "arm64"),
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"macosx_10_9_x86_64": ("mac-x64", "macOS (Intel)", "darwin", "x86_64"),
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"win_amd64": ("windows-x64", "Windows (64-bit)", "win32", "amd64"),
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"manylinux_2_27_x86_64": ("linux-x64", "Linux (x86-64)", "linux", "x86_64"),
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"manylinux_2_27_aarch64": ("linux-arm64", "Linux (ARM64)", "linux", "aarch64"),
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}
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def wheel_platform():
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"""This machine's wheel platform tag."""
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if sys.platform == "darwin":
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return "macosx_11_0_arm64" if platform.machine() == "arm64" else "macosx_10_9_x86_64"
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if sys.platform == "win32":
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return "win_amd64"
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return "manylinux_2_27_aarch64" if platform.machine() in ("aarch64", "arm64") else "manylinux_2_27_x86_64"
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def mini_racer_wheel(plat, cache):
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"""The mini-racer wheel for `plat`, downloaded once into cache/<plat>/. Hosts that
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install wheels themselves (Blender's extension manifest) ship this file as is."""
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wheels = cache / plat
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if not list(wheels.glob("*.whl")):
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subprocess.run([sys.executable, "-m", "pip", "download", "--quiet", "--no-deps",
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"--only-binary=:all:", "--platform", plat, "-d", str(wheels), MINI_RACER],
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check=True)
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(whl,) = wheels.glob("*.whl")
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return whl
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def vendor_mini_racer(dest, plat, cache):
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"""Unpack py_mini_racer/ for `plat` into dest/ (wheel cached in cache/<plat>/).
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Returns the wheel's file name."""
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whl = mini_racer_wheel(plat, cache)
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with zipfile.ZipFile(whl) as z:
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for name in z.namelist():
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# mini_racer-X.data/purelib/py_mini_racer/<file>
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head, sep, rel = name.partition("/purelib/")
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if sep and rel.startswith("py_mini_racer/"):
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target = dest / rel
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target.parent.mkdir(parents=True, exist_ok=True)
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target.write_bytes(z.read(name))
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return whl.name
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