ACE-Step-1.5/start_gradio_ui.sh
Gong Junmin ddca323530 fix: resolve API crash on null duration, generation corruption, and locale parsing
- Fix #797: API crash when audio_duration is null — feed CoT-generated
  duration into Phase 2, cap max_new_tokens to DURATION_MAX, tile
  silence_latent when it's shorter than generated latents, default to
  120s in API layer
- Fix #854: Generation corruption after multiple runs — add gc.collect()
  before torch.cuda.empty_cache() in 5 LLM cleanup paths, clear
  nano-vllm prefix cache in BlockManager.reset(), explicitly del
  past_key_values after PT generation, add min_overlap floor of 4 in
  VAE tiled decode
- Fix #779: Language parameter parsing — validate LANGUAGE env var in
  all 6 launcher scripts before use to prevent system locale values
  like en_CA:en from being passed to --language

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-20 18:24:48 +08:00

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#!/usr/bin/env bash
# ACE-Step Gradio Web UI Launcher - Linux (CUDA)
# This script launches the Gradio web interface for ACE-Step
set -euo pipefail
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
# ==================== Load .env Configuration ====================
# Load settings from .env file if it exists
_load_env_file() {
local env_file="${SCRIPT_DIR}/.env"
if [[ ! -f "$env_file" ]]; then
return 0
fi
echo "[Config] Loading configuration from .env file..."
# Read .env file and export variables
while IFS='=' read -r key value || [[ -n "$key" ]]; do
# Skip empty lines and comments
[[ -z "$key" || "$key" =~ ^[[:space:]]*# ]] && continue
# Trim whitespace from key and value
key="${key#"${key%%[![:space:]]*}"}"
key="${key%"${key##*[![:space:]]}"}"
value="${value#"${value%%[![:space:]]*}"}"
value="${value%"${value##*[![:space:]]}"}"
# Map .env variable names to script variables
case "$key" in
ACESTEP_CONFIG_PATH)
[[ -n "$value" ]] && CONFIG_PATH="--config_path $value"
;;
ACESTEP_LM_MODEL_PATH)
[[ -n "$value" ]] && LM_MODEL_PATH="--lm_model_path $value"
;;
ACESTEP_INIT_LLM)
if [[ -n "$value" && "$value" != "auto" ]]; then
INIT_LLM="--init_llm $value"
fi
;;
ACESTEP_DOWNLOAD_SOURCE)
if [[ -n "$value" && "$value" != "auto" ]]; then
DOWNLOAD_SOURCE="--download-source $value"
fi
;;
ACESTEP_API_KEY)
[[ -n "$value" ]] && API_KEY="--api-key $value"
;;
PORT)
[[ -n "$value" ]] && PORT="$value"
;;
SERVER_NAME)
[[ -n "$value" ]] && SERVER_NAME="$value"
;;
LANGUAGE)
[[ -n "$value" ]] && LANGUAGE="$value"
;;
ACESTEP_BATCH_SIZE)
[[ -n "$value" ]] && BATCH_SIZE="--batch_size $value"
;;
esac
done < "$env_file"
echo "[Config] Configuration loaded from .env"
}
_load_env_file
# ==================== Configuration ====================
# Default values (used if not set in .env file)
# You can override these by uncommenting and modifying the lines below
# or by creating a .env file (recommended to survive updates)
# Server settings
: "${PORT:=7860}"
: "${SERVER_NAME:=127.0.0.1}"
# SERVER_NAME="0.0.0.0"
SHARE="${SHARE:-}"
# SHARE="--share"
# Reset LANGUAGE if it contains an invalid value (e.g. system locale like en_CA:en)
case "$LANGUAGE" in
en|zh|he|ja) ;;
*) unset LANGUAGE ;;
esac
# UI language: en, zh, he, ja
: "${LANGUAGE:=en}"
# Batch size: default batch size for generation (1 to GPU-dependent max)
# When not specified, defaults to min(2, GPU_max)
BATCH_SIZE="${BATCH_SIZE:-}"
# BATCH_SIZE="--batch_size 4"
# Model settings
: "${CONFIG_PATH:=--config_path acestep-v15-turbo}"
: "${LM_MODEL_PATH:=--lm_model_path acestep-5Hz-lm-0.6B}"
# OFFLOAD_TO_CPU="--offload_to_cpu true"
OFFLOAD_TO_CPU="${OFFLOAD_TO_CPU:-}"
# LLM (Language Model) initialization settings
# By default, LLM is auto-enabled/disabled based on GPU VRAM:
# - <=6GB VRAM: LLM disabled (DiT-only mode)
# - >6GB VRAM: LLM enabled
# Values: auto (default), true (force enable), false (force disable)
INIT_LLM="${INIT_LLM:-}"
# INIT_LLM="--init_llm auto"
# INIT_LLM="--init_llm true"
# INIT_LLM="--init_llm false"
# Download source settings
# Preferred download source: auto (default), huggingface, or modelscope
DOWNLOAD_SOURCE="${DOWNLOAD_SOURCE:-}"
# DOWNLOAD_SOURCE="--download-source modelscope"
# DOWNLOAD_SOURCE="--download-source huggingface"
# Update check on startup (set to "false" to disable)
: "${CHECK_UPDATE:=true}"
# CHECK_UPDATE="false"
# Auto-initialize models on startup
: "${INIT_SERVICE:=--init_service true}"
# API settings (enable REST API alongside Gradio)
ENABLE_API="${ENABLE_API:-}"
# ENABLE_API="--enable-api"
API_KEY="${API_KEY:-}"
# API_KEY="--api-key sk-your-secret-key"
# Authentication settings
AUTH_USERNAME="${AUTH_USERNAME:-}"
# AUTH_USERNAME="--auth-username admin"
AUTH_PASSWORD="${AUTH_PASSWORD:-}"
# AUTH_PASSWORD="--auth-password password"
# ==================== Launch ====================
# ==================== Startup Update Check ====================
_startup_update_check() {
[[ "$CHECK_UPDATE" != "true" ]] && return 0
command -v git &>/dev/null || return 0
cd "$SCRIPT_DIR" || return 0
git rev-parse --git-dir &>/dev/null 2>&1 || return 0
local branch commit remote_commit
branch="$(git rev-parse --abbrev-ref HEAD 2>/dev/null || echo "main")"
commit="$(git rev-parse --short HEAD 2>/dev/null || echo "")"
[[ -z "$commit" ]] && return 0
echo "[Update] Checking for updates..."
# Fetch with timeout (10s)
local fetch_ok=0
if command -v timeout &>/dev/null; then
timeout 10 git fetch origin --quiet 2>/dev/null && fetch_ok=1
elif command -v gtimeout &>/dev/null; then
gtimeout 10 git fetch origin --quiet 2>/dev/null && fetch_ok=1
else
git fetch origin --quiet 2>/dev/null && fetch_ok=1
fi
if [[ $fetch_ok -eq 0 ]]; then
echo "[Update] Network unreachable, skipping."
echo
return 0
fi
remote_commit="$(git rev-parse --short "origin/$branch" 2>/dev/null || echo "")"
if [[ -z "$remote_commit" || "$commit" == "$remote_commit" ]]; then
echo "[Update] Already up to date ($commit)."
echo
return 0
fi
echo
echo "========================================"
echo " Update available!"
echo "========================================"
echo " Current: $commit -> Latest: $remote_commit"
echo
echo " Recent changes:"
git --no-pager log --oneline "HEAD..origin/$branch" 2>/dev/null | head -10
echo
read -rp "Update now before starting? (Y/N): " update_choice
if [[ "${update_choice^^}" == "Y" ]]; then
if [[ -f "$SCRIPT_DIR/check_update.sh" ]]; then
bash "$SCRIPT_DIR/check_update.sh"
else
echo "Pulling latest changes..."
git pull --ff-only origin "$branch" 2>/dev/null || {
echo "[Update] Update failed. Please run: git pull"
}
fi
else
echo "[Update] Skipped. Run ./check_update.sh to update later."
fi
echo
}
_startup_update_check
echo "Starting ACE-Step Gradio Web UI..."
echo "Server will be available at: http://${SERVER_NAME}:${PORT}"
echo
# ==================== Standard uv Workflow ====================
# Works on all platforms: x86_64 Linux (cu128), aarch64 Linux/DGX Spark (cu130),
# macOS (MPS), Windows (cu128). uv resolves the correct PyTorch wheels via
# platform-specific index mappings in pyproject.toml.
# Check if uv is installed
if ! command -v uv &>/dev/null; then
# Try common install locations
if [[ -x "$HOME/.local/bin/uv" ]]; then
export PATH="$HOME/.local/bin:$PATH"
elif [[ -x "$HOME/.cargo/bin/uv" ]]; then
export PATH="$HOME/.cargo/bin:$PATH"
fi
fi
if ! command -v uv &>/dev/null; then
echo
echo "========================================"
echo "uv package manager not found!"
echo "========================================"
echo
echo "ACE-Step requires the uv package manager."
echo
read -rp "Install uv now? (Y/N): " INSTALL_UV
if [[ "${INSTALL_UV^^}" == "Y" ]]; then
echo
bash "$SCRIPT_DIR/install_uv.sh" --silent
INSTALL_RESULT=$?
if [[ $INSTALL_RESULT -eq 0 ]]; then
echo
echo "========================================"
echo "uv installed successfully!"
echo "========================================"
echo
export PATH="$HOME/.local/bin:$HOME/.cargo/bin:$PATH"
if command -v uv &>/dev/null; then
echo "uv is now available!"
uv --version
echo
else
echo
echo "uv installed but not in PATH yet."
echo "Please restart your terminal or run:"
echo " export PATH=\"\$HOME/.local/bin:\$PATH\""
echo
exit 1
fi
else
echo
echo "========================================"
echo "Installation failed!"
echo "========================================"
echo
echo "Please install uv manually:"
echo " curl -LsSf https://astral.sh/uv/install.sh | sh"
echo
exit 1
fi
else
echo
echo "Installation cancelled."
echo
echo "To use ACE-Step, please install uv:"
echo " curl -LsSf https://astral.sh/uv/install.sh | sh"
echo
exit 1
fi
fi
echo "[Environment] Using uv package manager..."
echo
# Ensure PyTorch build supports legacy NVIDIA GPUs (e.g., Pascal/Quadro P1000).
# Newer CUDA wheels can omit sm_61, which causes runtime model-init failures.
_ensure_legacy_nvidia_torch_compat() {
[[ "${ACESTEP_SKIP_LEGACY_TORCH_FIX:-}" == "true" ]] && return 0
[[ ! -x "$SCRIPT_DIR/.venv/bin/python" ]] && return 0
local compat_status
local legacy_torch_fix_exit_code
if (cd "$SCRIPT_DIR" && .venv/bin/python -c \
"import os, sys; sys.path.insert(0, os.getcwd()); from acestep.launcher_compat import legacy_torch_fix_probe_exit_code; raise SystemExit(legacy_torch_fix_probe_exit_code())"); then
return 0
else
compat_status=$?
fi
legacy_torch_fix_exit_code="$(cd "$SCRIPT_DIR" && .venv/bin/python -c \
"import os, sys; sys.path.insert(0, os.getcwd()); from acestep.launcher_compat import LEGACY_TORCH_FIX_EXIT_CODE; print(LEGACY_TORCH_FIX_EXIT_CODE)")" || legacy_torch_fix_exit_code=42
if [[ "$compat_status" -eq 0 ]]; then
return 0
fi
if [[ "$compat_status" -ne "$legacy_torch_fix_exit_code" ]]; then
echo "[Compatibility] Error: legacy NVIDIA compatibility probe failed with exit code $compat_status."
return "$compat_status"
fi
echo "[Compatibility] Applying legacy NVIDIA torch build (CUDA 12.1, supports sm_61)..."
if (cd "$SCRIPT_DIR" && uv pip install --python .venv/bin/python --force-reinstall \
--index-url https://download.pytorch.org/whl/cu121 \
torch==2.5.1+cu121 torchvision==0.20.1+cu121 torchaudio==2.5.1+cu121); then
echo "[Compatibility] Legacy torch install complete."
# Keep a legacy-compatible torchao so INT8 quantization remains available
# on low-VRAM Pascal/Quadro GPUs.
if (cd "$SCRIPT_DIR" && uv pip install --python .venv/bin/python --force-reinstall torchao==0.11.0 >/dev/null 2>&1); then
echo "[Compatibility] Installed torchao==0.11.0 (legacy-compatible)."
else
echo "[Compatibility] Warning: failed to install torchao==0.11.0. Quantization may be unavailable."
fi
else
echo "[Compatibility] Warning: failed to install legacy torch automatically."
echo "[Compatibility] Run manually:"
echo " uv pip install --python .venv/bin/python --force-reinstall --index-url https://download.pytorch.org/whl/cu121 torch==2.5.1+cu121 torchvision==0.20.1+cu121 torchaudio==2.5.1+cu121"
return 1
fi
}
# Check if virtual environment exists
if [[ ! -d "$SCRIPT_DIR/.venv" ]]; then
echo "[Setup] Virtual environment not found. Setting up environment..."
echo "This will take a few minutes on first run."
echo
echo "Running: uv sync"
echo
if ! (cd "$SCRIPT_DIR" && uv sync); then
echo
echo "[Retry] Online sync failed, retrying in offline mode..."
echo
if ! (cd "$SCRIPT_DIR" && uv sync --offline); then
echo
echo "========================================"
echo "[Error] Failed to setup environment"
echo "========================================"
echo
echo "Both online and offline modes failed."
echo "Please check:"
echo " 1. Your internet connection (required for first-time setup)"
echo " 2. Ensure you have enough disk space"
echo " 3. Try running: uv sync manually"
exit 1
fi
fi
echo
echo "========================================"
echo "Environment setup completed!"
echo "========================================"
echo
fi
_ensure_legacy_nvidia_torch_compat
echo "Starting ACE-Step Gradio UI..."
echo
# Build command with optional parameters
ACESTEP_ARGS="acestep --port $PORT --server-name $SERVER_NAME --language $LANGUAGE"
[[ -n "$SHARE" ]] && ACESTEP_ARGS="$ACESTEP_ARGS $SHARE"
[[ -n "$CONFIG_PATH" ]] && ACESTEP_ARGS="$ACESTEP_ARGS $CONFIG_PATH"
[[ -n "$LM_MODEL_PATH" ]] && ACESTEP_ARGS="$ACESTEP_ARGS $LM_MODEL_PATH"
[[ -n "$OFFLOAD_TO_CPU" ]] && ACESTEP_ARGS="$ACESTEP_ARGS $OFFLOAD_TO_CPU"
[[ -n "$INIT_LLM" ]] && ACESTEP_ARGS="$ACESTEP_ARGS $INIT_LLM"
[[ -n "$DOWNLOAD_SOURCE" ]] && ACESTEP_ARGS="$ACESTEP_ARGS $DOWNLOAD_SOURCE"
[[ -n "$INIT_SERVICE" ]] && ACESTEP_ARGS="$ACESTEP_ARGS $INIT_SERVICE"
[[ -n "$BATCH_SIZE" ]] && ACESTEP_ARGS="$ACESTEP_ARGS $BATCH_SIZE"
[[ -n "$ENABLE_API" ]] && ACESTEP_ARGS="$ACESTEP_ARGS $ENABLE_API"
[[ -n "$API_KEY" ]] && ACESTEP_ARGS="$ACESTEP_ARGS $API_KEY"
[[ -n "$AUTH_USERNAME" ]] && ACESTEP_ARGS="$ACESTEP_ARGS $AUTH_USERNAME"
[[ -n "$AUTH_PASSWORD" ]] && ACESTEP_ARGS="$ACESTEP_ARGS $AUTH_PASSWORD"
cd "$SCRIPT_DIR" && uv run --no-sync $ACESTEP_ARGS || {
echo
echo "[Retry] Online dependency resolution failed, retrying in offline mode..."
echo
uv run --offline --no-sync $ACESTEP_ARGS || {
echo
echo "========================================"
echo "[Error] Failed to start ACE-Step"
echo "========================================"
echo
echo "Both online and offline modes failed."
echo "Please check:"
echo " 1. Your internet connection (for first-time setup)"
echo " 2. If dependencies were previously installed (offline mode requires a prior successful install)"
echo " 3. Try running: uv sync --offline"
exit 1
}
}