| """`casmd-ui` — launch the Streamlit web app.""" |
| from __future__ import annotations |
| import argparse |
| import os |
| import subprocess |
| import sys |
| from pathlib import Path |
|
|
|
|
| def _ensure_streamlit_credentials() -> None: |
| """Write a blank credentials file so Streamlit skips the email prompt.""" |
| creds = Path.home() / ".streamlit" / "credentials.toml" |
| if not creds.exists(): |
| creds.parent.mkdir(parents=True, exist_ok=True) |
| creds.write_text('[general]\nemail = ""\n') |
|
|
|
|
| def main(argv: list[str] | None = None) -> int: |
| p = argparse.ArgumentParser(prog="casmd-ui", description="Launch the CasMD Streamlit app.") |
| p.add_argument("--port", type=int, default=8501) |
| p.add_argument("--host", default="127.0.0.1") |
| args = p.parse_args(argv) |
|
|
| here = Path(__file__).resolve() |
| repo_root = here.parent.parent.parent |
| app_entry = repo_root / "app" / "streamlit_app.py" |
| if not app_entry.exists(): |
| print(f"error: app/streamlit_app.py not found at {app_entry}", file=sys.stderr) |
| print("CasMD's UI requires running from a dev install (`pip install -e .`).", file=sys.stderr) |
| return 2 |
|
|
| _ensure_streamlit_credentials() |
|
|
| cmd = [ |
| sys.executable, "-m", "streamlit", "run", str(app_entry), |
| "--server.port", str(args.port), |
| "--server.address", args.host, |
| "--browser.gatherUsageStats", "false", |
| ] |
| |
| |
| |
| env = os.environ.copy() |
| existing_pp = env.get("PYTHONPATH", "") |
| env["PYTHONPATH"] = ( |
| f"{repo_root}{os.pathsep}{existing_pp}" if existing_pp else str(repo_root) |
| ) |
|
|
| |
| |
| |
| |
| |
| python_bin_dir = str(Path(sys.executable).resolve().parent) |
| existing_path = env.get("PATH", "") |
| if python_bin_dir not in existing_path.split(os.pathsep): |
| env["PATH"] = ( |
| f"{python_bin_dir}{os.pathsep}{existing_path}" |
| if existing_path |
| else python_bin_dir |
| ) |
| print(f"Launching: {' '.join(cmd)}") |
| return subprocess.call(cmd, env=env) |
|
|
|
|
| if __name__ == "__main__": |
| raise SystemExit(main()) |
|
|
