chore: import upstream snapshot with attribution

agentlightning/cli/__init__.py

@@ -0,0 +1,56 @@
+# Copyright (c) Microsoft. All rights reserved.
+
+"""Agent Lightning command line interface entry point."""
+
+from __future__ import annotations
+
+import argparse
+import importlib
+import sys
+from typing import Dict, Iterable, Tuple
+
+_SUBCOMMANDS: Dict[str, Tuple[str, str]] = {
+    "vllm": ("agentlightning.cli.vllm", "Run the vLLM CLI with Agent Lightning instrumentation."),
+    "store": ("agentlightning.cli.store", "Run a LightningStore server."),
+    "prometheus": ("agentlightning.cli.prometheus", "Serve Prometheus metrics from the multiprocess registry."),
+    "agentops": ("agentlightning.cli.agentops_server", "Start the AgentOps server manager."),
+}
+
+_DESCRIPTION = "Agent Lightning CLI entry point.\n\nAvailable subcommands:\n" + "\n".join(
+    f"  {name:<10}{desc}" for name, (_, desc) in _SUBCOMMANDS.items()
+)
+
+
+def main(argv: Iterable[str] | None = None) -> int:
+    """Dispatch to the requested Agent Lightning subcommand."""
+    parser = argparse.ArgumentParser(
+        prog="agl",
+        description=_DESCRIPTION,
+        formatter_class=argparse.RawDescriptionHelpFormatter,
+    )
+    parser.add_argument("subcommand", choices=_SUBCOMMANDS.keys(), help="Subcommand to run.")
+    parser.add_argument("args", nargs=argparse.REMAINDER, help=argparse.SUPPRESS)
+
+    parsed = parser.parse_args(list(argv) if argv is not None else None)
+    module_name, _ = _SUBCOMMANDS[parsed.subcommand]
+    module = importlib.import_module(module_name)
+
+    entry_point = getattr(module, "main", None)
+    if entry_point is None:
+        parser.error(f"Subcommand '{parsed.subcommand}' does not define a callable 'main'")
+
+    dispatch_args = parsed.args
+    original_argv = sys.argv
+    sys.argv = [f"{parser.prog} {parsed.subcommand}", *dispatch_args]
+    try:
+        result = entry_point(dispatch_args or None)
+    finally:
+        sys.argv = original_argv
+
+    if isinstance(result, int):
+        return result
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())