| """Build private git task packages using a public, dependency-only OCI image. |
| |
| This generates task source, never writes a framework cache or launches compute. |
| """ |
| import argparse |
| import hashlib |
| import json |
| from pathlib import Path |
| import re |
| import shutil |
|
|
| ROOT = Path(__file__).resolve().parent |
| TASKS = ('ds2-task_00687_c4c7ea', 'ds2-task_12106_bd7f8d') |
| TRAIN_TASKS = TASKS + ('task_00002_aa2b6f', 'task_00004_88fabf') |
| |
| |
| INSTALL_SUFFIXES = { |
| 'ds2-task_00687_c4c7ea': b'pip install pytest 2>/dev/null\nmkdir -p /tests', |
| 'task_00002_aa2b6f': b'pip install pytest 2>/dev/null || apt-get update && apt-get install -y python3-pip && pip install pytest', |
| } |
| BOOTSTRAP = '''#!/bin/bash |
| set -eu |
| # Dependencies are immutable image contents. No per-episode package installs. |
| mkdir -p /app /tests /solution |
| /opt/verifier_venv/bin/python -c 'from importlib.metadata import version; assert version("pytest") == "8.4.1"; assert version("numpy") == "1.26.4"; assert version("pytest-json-ctrf") == "0.3.5"' |
| command -v xxd >/dev/null |
| bash /app/.vf-task-setup.sh |
| # Preserve input fixtures. Remove only executable hidden assertions and sources. |
| rm -f /tests/*.py /solution/* /app/setup.sh /app/.vf-task-setup.sh /app/.vf-bootstrap.sh |
| rm -f /tmp/ds_setup.sh /tmp/setup.sh /setup.sh |
| ''' |
|
|
|
|
| def lightweight_setup(task, original): |
| suffix = INSTALL_SUFFIXES.get(task) |
| if suffix is not None: |
| assert original.endswith(suffix), f'Unreviewed installer suffix in {task}' |
| return original[:-len(suffix)] + b'mkdir -p /tests\n' |
| assert not re.search(rb'\b(?:pip|apt-get)\s+(?:install|update)\b', original), task |
| return original |
|
|
|
|
| def prepare(output, image): |
| assert re.fullmatch(r'[^\s@]+@sha256:[0-9a-f]{64}', image), 'An immutable OCI digest reference is required' |
| manifest = {} |
| for task in TRAIN_TASKS: |
| source = ROOT.parent / ('data/prime-tasks' if task in TASKS else 'data/harbor') / task |
| target = output / 'tasks' / task |
| if target.exists(): |
| shutil.rmtree(target) |
| shutil.copytree(source, target) |
| shutil.rmtree(target / 'environment') |
| (target / 'environment').mkdir() |
| original = (source / 'environment/setup.sh').read_bytes() |
| (target / 'environment/setup.sh').write_bytes(original) |
| (target / 'environment/.vf-task-setup.sh').write_bytes(lightweight_setup(task, original)) |
| bootstrap = BOOTSTRAP |
| if task == 'ds2-task_12106_bd7f8d': |
| bootstrap += 'rm -f /app/fixcalc\n' |
| (target / 'environment/.vf-bootstrap.sh').write_text(bootstrap) |
| config = re.sub(r'^docker_image\s*=.*\n', '', (source / 'task.toml').read_text(), flags=re.MULTILINE) |
| if '[agent]' not in config: |
| config += '\n[agent]\ntimeout_sec = 1800\n' |
| config = config.replace('[environment]\n', '[environment]\ndocker_image = ' + json.dumps(image) + '\n') |
| config = config.replace('[agent]\n', '[environment.healthcheck]\ncommand = "bash /app/.vf-bootstrap.sh"\ntimeout_sec = 600\nretries = 1\nstart_period_sec = 0\n[agent]\n') |
| if task == 'ds2-task_00687_c4c7ea': |
| command = 'if [ -L /app/topk ] && [ "$(readlink /app/topk)" = /app/topk.py ]; then ln -sfn topk.py /app/topk; fi' |
| config += '\n[[verifier.collect]]\ncommand = ' + json.dumps(command) + '\ntimeout_sec = 10\n' |
| (target / 'task.toml').write_text(config) |
| for relative in ('instruction.md', 'tests/test.sh', 'tests/test_outputs.py', 'solution/solve.sh', 'environment/setup.sh'): |
| assert (target / relative).read_bytes() == (source / relative).read_bytes(), relative |
| manifest[task] = {str(p.relative_to(target)): hashlib.sha256(p.read_bytes()).hexdigest() |
| for p in sorted(target.rglob('*')) if p.is_file()} |
| rows = [{'name': name, 'version': '1', 'description': description, |
| 'tasks': [{'name': task, 'path': 'tasks/' + task} for task in cohort]} |
| for name, description, cohort in [ |
| ('workspace-four', 'Four pinned workspace coding tasks with isolated original correctness graders.', TRAIN_TASKS), |
| ('workspace-two', 'Two-task evaluation cohort.', TASKS)]] |
| (output / 'registry.json').write_text(json.dumps(rows, indent=2) + '\n') |
| return manifest |
|
|
|
|
| def main(): |
| parser = argparse.ArgumentParser(description=__doc__) |
| parser.add_argument('--output', type=Path, required=True, help='Private task git checkout; never a Harbor cache') |
| parser.add_argument('--dependency-image', required=True, help='Dependency-only OCI reference pinned by sha256') |
| args = parser.parse_args() |
| args.output.mkdir(parents=True, exist_ok=True) |
| manifest = prepare(args.output, args.dependency_image) |
| print(json.dumps({'tasks': sorted(manifest), 'image': args.dependency_image})) |
|
|
|
|
| if __name__ == '__main__': |
| main() |
|
|
