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import modal
import os
from pathlib import Path
# Create or get existing volume
volume = modal.Volume.from_name("flux-model-vol-2", create_if_missing=True)
MODEL_DIR = Path("/data/models")
# Set up image with dependencies
download_image = (
modal.Image.debian_slim()
.pip_install("huggingface_hub[hf_transfer]")
.env({"HF_HUB_ENABLE_HF_TRANSFER": "1"}) # Enable fast Rust download client
)
# Create Modal app
app = modal.App("flux-model-setup")
@app.function(
volumes={MODEL_DIR: volume},
image=download_image,
secrets=[modal.Secret.from_name("huggingface-token")] # Correct secrets syntax
)
def download_flux():
from huggingface_hub import snapshot_download
# Get token from environment variable
token = os.getenv("HF_TOKEN")
if not token:
raise ValueError("HF_TOKEN not found in environment variables. Ensure the secret is correctly set.")
repo_id = "black-forest-labs/FLUX.1-dev"
local_dir = MODEL_DIR / repo_id.split("/")[1]
# Ensure the directory exists
local_dir.mkdir(parents=True, exist_ok=True)
# Download the model
snapshot_download(
repo_id=repo_id,
local_dir=local_dir,
token=token
)
print(f"FLUX model downloaded to {local_dir}")
@app.local_entrypoint()
def main():
download_flux.remote() |