preload_models.py

import os
import torch
import torch.hub

os.environ['TORCH_HOME'] = '/tmp/torch_cache'
os.environ['YOLO_CONFIG_DIR'] = '/tmp/ultralytics_config'

# Permanently disable the trust check for ALL hub.load() calls,
# including the nested one inside MiDaS's hubconf.py
def _trust_all(*args, **kwargs):
    pass

torch.hub._check_repo_is_trusted = _trust_all

print("Pre-downloading MiDaS and dependencies...")

midas = torch.hub.load(
    "intel-isl/MiDaS",
    "MiDaS_small",
    trust_repo=True
)
transforms = torch.hub.load(
    "intel-isl/MiDaS",
    "transforms",
    trust_repo=True
)

print("MiDaS cached successfully.")