"""CAD rendering utilities for generating STL files and PNG views."""
import logging
from pathlib import Path
logger = logging.getLogger(__name__)
def generate_stl(script_path: Path, output_path: Path) -> tuple[bool, str]:
"""
Generate STL file from CAD-Query script.
Args:
script_path: Path to the CAD-Query Python script
output_path: Path where STL file should be saved
Returns:
tuple: (success: bool, error_message: str)
"""
try:
# Ensure output directory exists
output_path.parent.mkdir(parents=True, exist_ok=True)
# Use cq-cli to convert CAD-Query script to STL
import subprocess
result = subprocess.run([
"/Users/rishigundakaram/.pyenv/shims/uv",
"run", "-m", "cq_cli.main",
"--codec", "stl",
"--infile", str(script_path),
"--outfile", str(output_path),
], capture_output=True, text=True, timeout=30)
if result.returncode == 0:
logger.info(f"STL generated successfully: {output_path}")
return True, ""
else:
error_msg = f"CadQuery compilation failed:\n{result.stderr}\n{result.stdout}".strip()
logger.error(f"cq-cli execution failed: {result.stderr}")
logger.error(f"cq-cli stdout: {result.stdout}")
return False, error_msg
except Exception as e:
error_msg = f"Failed to generate STL: {e}. If the error is a timeout, most likely the geometry is invalid."
logger.error(error_msg)
return False, error_msg
