| """Java/JVM presence check with actionable error messages.""" |
|
|
| from __future__ import annotations |
|
|
| import shutil |
| import subprocess |
| import sys |
|
|
|
|
| def ensure_java() -> None: |
| """Raise a clear RuntimeError if Java is not installed.""" |
| if shutil.which("java") is not None: |
| return |
|
|
| |
| try: |
| import jpype |
| jpype.getDefaultJVMPath() |
| return |
| except Exception: |
| pass |
|
|
| _install_cmd = _get_install_cmd() |
| raise RuntimeError( |
| "\n" |
| "╔══════════════════════════════════════════════════════════════╗\n" |
| "║ TurkTokenizer requires Java (JVM) — not found on this system ║\n" |
| "╠══════════════════════════════════════════════════════════════╣\n" |
| f"║ Install Java with: ║\n" |
| f"║ {_install_cmd:<58}║\n" |
| "║ ║\n" |
| "║ Then re-run your script. ║\n" |
| "╚══════════════════════════════════════════════════════════════╝\n" |
| ) |
|
|
|
|
| def _get_install_cmd() -> str: |
| if sys.platform == "linux": |
| |
| try: |
| out = subprocess.check_output( |
| ["cat", "/etc/os-release"], text=True, stderr=subprocess.DEVNULL |
| ) |
| if "ubuntu" in out.lower() or "debian" in out.lower(): |
| return "sudo apt install default-jre" |
| if "fedora" in out.lower() or "rhel" in out.lower() or "centos" in out.lower(): |
| return "sudo dnf install java-latest-openjdk" |
| if "arch" in out.lower(): |
| return "sudo pacman -S jre-openjdk" |
| except Exception: |
| pass |
| return "sudo apt install default-jre" |
| if sys.platform == "darwin": |
| return "brew install openjdk" |
| if sys.platform == "win32": |
| return "winget install Microsoft.OpenJDK.21" |
| return "Install Java from https://adoptium.net" |
|
|
