51 lines
1.3 KiB
Python
51 lines
1.3 KiB
Python
"""Launcher ensuring Tcl/Tk resources are available before starting ICRA."""
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from __future__ import annotations
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import os
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import shutil
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import subprocess
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import sys
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from pathlib import Path
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def _copy_tcl_runtime(venv_root: Path) -> tuple[Path, Path] | None:
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"""Copy Tcl/Tk directories from the base interpreter into the venv if needed."""
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base_prefix = Path(getattr(sys, "base_prefix", sys.prefix))
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base_tcl_dir = base_prefix / "tcl"
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if not base_tcl_dir.exists():
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return None
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tcl_src = base_tcl_dir / "tcl8.6"
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tk_src = base_tcl_dir / "tk8.6"
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if not tcl_src.exists() or not tk_src.exists():
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return None
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target_root = venv_root / "tcl"
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tcl_dest = target_root / "tcl8.6"
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tk_dest = target_root / "tk8.6"
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if not tcl_dest.exists():
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shutil.copytree(tcl_src, tcl_dest, dirs_exist_ok=True)
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if not tk_dest.exists():
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shutil.copytree(tk_src, tk_dest, dirs_exist_ok=True)
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return tcl_dest, tk_dest
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def main() -> int:
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venv_root = Path(sys.prefix)
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tcl_paths = _copy_tcl_runtime(venv_root)
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env = os.environ.copy()
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if tcl_paths:
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env.setdefault("TCL_LIBRARY", str(tcl_paths[0]))
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env.setdefault("TK_LIBRARY", str(tcl_paths[1]))
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return subprocess.call([sys.executable, "main.py"], env=env)
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if __name__ == "__main__":
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raise SystemExit(main())
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