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#!/usr/bin/env python3
"""
DD-POC Launch Script - Python Version
Simple script to start the Streamlit application with uv
"""
import os
import sys
import subprocess
from pathlib import Path
def check_uv_installation():
"""Check if uv is installed"""
try:
result = subprocess.run(['uv', '--version'],
capture_output=True,
text=True,
check=True)
return True
except (subprocess.CalledProcessError, FileNotFoundError):
return False
def run_uv_command(command, cwd=None):
"""Run a uv command and return success status"""
try:
result = subprocess.run(['uv'] + command,
cwd=cwd,
check=True)
return True
except subprocess.CalledProcessError as e:
print(f"❌ uv command failed: {' '.join(command)}")
return False
def main():
"""Main launch function"""
print("🚀 Starting DD-POC Application...")
print("")
# Check if uv is installed
if not check_uv_installation():
print("❌ Error: uv is not installed")
print(" Please install uv: curl -LsSf https://astral.sh/uv/install.sh | sh")
sys.exit(1)
# Install dependencies if needed
print("📦 Ensuring dependencies are installed...")
if not run_uv_command(['sync']):
sys.exit(1)
print("")
print("🌐 Starting Streamlit server...")
print(" App will open in your browser automatically")
print(" Press Ctrl+C to stop the server")
print("")
# Enable tokenizers parallelism for better performance
os.environ.setdefault("TOKENIZERS_PARALLELISM", "true")
# Ensure we're in the project root directory
script_dir = Path(__file__).parent
project_root = script_dir.parent
# Add current directory to Python path so app module can be found
python_path = os.environ.get('PYTHONPATH', '')
if python_path:
python_path = f"{python_path}:{project_root}"
else:
python_path = str(project_root)
# Set PYTHONPATH for the subprocess
env = os.environ.copy()
env['PYTHONPATH'] = python_path
# Start the application with proper PYTHONPATH
try:
subprocess.run(['uv', 'run', 'python', '-m', 'streamlit', 'run', 'app/main.py'],
cwd=project_root,
env=env,
check=True)
except KeyboardInterrupt:
print("\n👋 Application stopped by user")
sys.exit(0)
except subprocess.CalledProcessError as e:
print(f"❌ Failed to start Streamlit application: {e}")
sys.exit(1)
if __name__ == "__main__":
main()
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