feat: add install script packaging

bot_bottle/cli/doctor.py

@@ -0,0 +1,73 @@
+"""doctor: validate host prerequisites for running bot-bottle."""
+
+from __future__ import annotations
+
+import argparse
+import shutil
+import subprocess
+import sys
+from pathlib import Path
+
+from ._common import PROG
+
+
+def _ok(label: str, detail: str) -> None:
+    print(f"ok: {label}: {detail}")
+
+
+def _fail(label: str, detail: str) -> None:
+    print(f"fail: {label}: {detail}")
+
+
+def _check_python() -> bool:
+    version = sys.version_info
+    detail = f"{version.major}.{version.minor}.{version.micro}"
+    if version >= (3, 11):
+        _ok("python", detail)
+        return True
+    _fail("python", f"{detail}; need 3.11 or newer")
+    return False
+
+
+def _check_docker() -> bool:
+    docker = shutil.which("docker")
+    if not docker:
+        _fail("docker", "docker command not found")
+        return False
+    try:
+        result = subprocess.run(
+            [docker, "info"],
+            stdout=subprocess.DEVNULL,
+            stderr=subprocess.DEVNULL,
+            check=False,
+            timeout=10,
+        )
+    except (OSError, subprocess.TimeoutExpired) as exc:
+        _fail("docker", f"daemon check failed: {exc}")
+        return False
+    if result.returncode == 0:
+        _ok("docker", "daemon reachable")
+        return True
+    _fail("docker", "daemon not reachable")
+    return False
+
+
+def _check_config_dir() -> bool:
+    config = Path.home() / ".bot-bottle"
+    if config.is_dir():
+        _ok("config", str(config))
+        return True
+    _fail("config", f"{config} does not exist")
+    return False
+
+
+def cmd_doctor(argv: list[str]) -> int:
+    parser = argparse.ArgumentParser(prog=f"{PROG} doctor", add_help=True)
+    parser.parse_args(argv)
+
+    checks = (
+        _check_python(),
+        _check_docker(),
+        _check_config_dir(),
+    )
+    return 0 if all(checks) else 1