import os, sys, subprocess

tabddpm_root = "/workspace/tabddpm/code"
assert os.path.isdir(tabddpm_root), f"TabDDPM source not mounted: {tabddpm_root}"
env = os.environ.copy()
env["PYTHONPATH"] = tabddpm_root + (os.pathsep + env.get("PYTHONPATH", ""))

# Write a wrapper that patches collections.Sequence (removed in Python 3.10+)
# before running pipeline.py - needed because skorch uses old API
wrapper = os.path.join(tabddpm_root, "_compat_run.py")
with open(wrapper, "w") as f:
    f.write(
        "import collections, collections.abc\n"
        "for _a in ('Sequence','MutableSequence','MutableMapping','Mapping',"
        "'MutableSet','Set','Callable','Iterable','Iterator'):\n"
        "    if not hasattr(collections, _a): setattr(collections, _a, getattr(collections.abc, _a, None))\n"
        "import sys, runpy\n"
        "sys.argv = sys.argv[1:]\n"
        "runpy.run_path(sys.argv[0], run_name='__main__')\n"
    )

print(f"[TabDDPM] Training, config=/work/output-Benchmark-trainonly-v1/c2/tabddpm/tabddpm-c2-20260504_182138/config.toml")
ret = subprocess.run(
    [sys.executable, wrapper, "scripts/pipeline.py",
     "--config", "/work/output-Benchmark-trainonly-v1/c2/tabddpm/tabddpm-c2-20260504_182138/config.toml",
     "--train"],
    cwd=tabddpm_root,
    env=env
)
if ret.returncode != 0:
    sys.exit(ret.returncode)
print("[TabDDPM] Training complete")