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Running on Zero
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5c331a4 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | """Install the pinned embedded fx runtime; no user-level fx configuration is written."""
import hashlib
import io
import os
from pathlib import Path
import platform
import shutil
import subprocess
import tarfile
import urllib.request
ROOT = Path(__file__).resolve().parents[1]
NODE_VERSION = 'v24.21.0'
NODE_SHA256 = 'fd8e59d5a511510f6a298afb548f18c7d2b1be404d8b4a27d94fbe49f56cb2d6'
def prepare():
runtime = ROOT / '.runtime'
runtime.mkdir(exist_ok=True)
if platform.system() == 'Linux' and platform.machine() == 'x86_64':
node_root = runtime / f'node-{NODE_VERSION}-linux-x64'
node = node_root / 'bin/node'
if not node.is_file():
url = f'https://nodejs.org/dist/{NODE_VERSION}/node-{NODE_VERSION}-linux-x64.tar.xz'
with urllib.request.urlopen(url, timeout=120) as response:
data = response.read()
if hashlib.sha256(data).hexdigest() != NODE_SHA256:
raise RuntimeError('Node runtime checksum mismatch')
with tarfile.open(fileobj=io.BytesIO(data), mode='r:xz') as archive:
archive.extractall(runtime, filter='data')
os.environ['PATH'] = str(node_root / 'bin') + os.pathsep + os.environ.get('PATH', '')
node = shutil.which('node')
npm = shutil.which('npm')
if not node or not npm:
raise RuntimeError('Node 20+ and npm are required for isolated fx refinement')
major = int(subprocess.check_output([node, '--version'], text=True).strip().lstrip('v').split('.')[0])
if major < 20:
raise RuntimeError('Node 20+ is required for isolated fx refinement')
folder = ROOT / 'studio/fx_runtime'
lock_hash = hashlib.sha256((folder / 'package-lock.json').read_bytes()).hexdigest()
marker = folder / 'node_modules/.studio-lock'
if not marker.is_file() or marker.read_text() != lock_hash:
subprocess.run([npm, 'ci', '--ignore-scripts', '--no-audit', '--no-fund'], cwd=folder,
check=True, timeout=300)
marker.write_text(lock_hash)
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