dev_1.0.0_yuyr_2：重新提交 PR，增加 master/agent 以及系统集成测试 (#17)

Reviewed-on: #17
Reviewed-by: sundapeng <sundp@mail.zgclab.edu.cn>
Reviewed-by: xuxt <xuxt@zgclab.edu.cn>

src/agent/app/version.py

@@ -0,0 +1,69 @@
+from __future__ import annotations
+
+import os
+import sys
+from pathlib import Path
+from typing import Optional
+
+import importlib.metadata
+
+try:
+    import tomllib
+except ModuleNotFoundError:  # pragma: no cover
+    import tomli as tomllib  # type: ignore[no-redef]
+
+
+def _candidate_paths() -> list[Path]:
+    paths = []
+    bundle_dir: Optional[str] = getattr(sys, "_MEIPASS", None)
+    if bundle_dir:
+        paths.append(Path(bundle_dir) / "pyproject.toml")
+    paths.append(Path(__file__).resolve().parent.parent / "pyproject.toml")
+    paths.append(Path(__file__).resolve().parent / "pyproject.toml")
+    paths.append(Path.cwd() / "pyproject.toml")
+    return paths
+
+
+def _read_from_pyproject() -> Optional[str]:
+    for path in _candidate_paths():
+        if not path.exists():
+            continue
+        try:
+            with path.open("rb") as handle:
+                data = tomllib.load(handle)
+        except (OSError, tomllib.TOMLDecodeError):
+            continue
+        project = data.get("project")
+        if isinstance(project, dict):
+            version = project.get("version")
+            if isinstance(version, str):
+                return version
+        tool = data.get("tool")
+        if isinstance(tool, dict):
+            argus_cfg = tool.get("argus")
+            if isinstance(argus_cfg, dict):
+                version = argus_cfg.get("version")
+                if isinstance(version, str):
+                    return version
+    return None
+
+
+def _detect_version() -> str:
+    try:
+        return importlib.metadata.version("argus-agent")
+    except importlib.metadata.PackageNotFoundError:
+        pass
+    override = os.environ.get("AGENT_VERSION_OVERRIDE")
+    if override:
+        return override
+    fallback = _read_from_pyproject()
+    if fallback:
+        return fallback
+    return "0.0.0"
+
+
+VERSION: str = _detect_version()
+
+
+def get_version() -> str:
+    return VERSION