overlay/scripts/hotpatch_launch.py

import os
import requests
import sys

token = os.environ.get("HF_TOKEN")
namespace = "GAInTech"
space_id = "GAInTech/feather-a10g-gt80k-runtime-public"

hotpatch_script = """
import os
from pathlib import Path

# 1. Fix MDLM_MASK_ID NameError in hydra/training.py
p1 = Path('/workspace/feather/hydra/training.py')
if p1.exists():
    s = p1.read_text()
    old = "mdlm_mask_id = MDLM_MASK_ID if MDLM_MASK_ID >= 0 else (vocab_size - 1)"
    new = "mdlm_mask_id = int(os.environ.get('HYDRA_MDLM_MASK_ID', str(vocab_size - 1)))"
    if old in s:
        p1.write_text(s.replace(old, new))
        print('[hotpatch] patched training.py')

# 2. Fix HTMRegion missing in subsystems/htm.py (Stub)
p2 = Path('/workspace/feather/subsystems/htm.py')
if p2.exists():
    s = p2.read_text()
    if 'class _HTMStubRegion' not in s:
        stub = "\\nclass _HTMStubRegion:\\n    def __init__(self, *a, **k): self.n_columns=2048\\n    def step(self, *a, **k): return (None, None, None, 1.0)\\n    def step_many(self, sdr, *a): T=sdr.shape[0]; return (None, [1.0]*T)\\n    def reset(self): pass\\n"
        s = s.replace('import htm_rust', 'import htm_rust' + stub)
        s = s.replace('_HTM_REGION_CLS = getattr(htm_rust, "HTMRegion", None)', '_HTM_REGION_CLS = getattr(htm_rust, "HTMRegion", _HTMStubRegion)')
        p2.write_text(s)
        print('[hotpatch] patched htm.py')

# 3. Fix HYDRA_LOCAL_SHARDS_ONLY in prepare_nemotron.py
p3 = Path('/workspace/feather/prepare_nemotron.py')
if p3.exists():
    s = p3.read_text()
    old = 'local_only = os.environ.get("HYDRA_LOCAL_SHARDS_ONLY", "1") == "1"'
    new = 'local_only = os.environ.get("HYDRA_LOCAL_SHARDS_ONLY", "0") == "1"'
    if old in s:
        p3.write_text(s.replace(old, new))
        print('[hotpatch] patched prepare_nemotron.py')
"""

command = [
    "/bin/bash", "-lc",
    f"python3 -c {repr(hotpatch_script)} && python /app/entrypoint.py"
]

env = {
    "FEATHER_RUNTIME_MODE": "job",
    "HYDRA_BATCH_SIZE": "96",
    "HYDRA_TOTAL_BATCH": "196608",
    "HYDRA_USE_NEMOTRON": "1",
    "HYDRA_TARGET_SHARDS": "0",
    "HYDRA_FORCE_HTM_CPU": "1",
    "HYDRA_INERT_MAMBA": "1",
    "HYDRA_FASTPATH": "1",
    "PYTHONUNBUFFERED": "1"
}

payload = {
    "spaceId": space_id,
    "command": command,
    "environment": env,
    "secrets": {"HF_TOKEN": token},
    "flavor": "a10g-large",
    "timeout": "12h"
}

url = f"https://huggingface.co/api/jobs/{namespace}"
headers = {"Authorization": f"Bearer {token}"}

print(f"Submitting HOTPATCH launch to {url}...")
r = requests.post(url, json=payload, headers=headers)
if r.status_code == 200:
    print(f"Success! Job ID: {r.json()['id']}")
else:
    print(f"Error {r.status_code}: {r.text}")