(feat) add --version to cli (#3924)

openhands/__init__.py

@@ -0,0 +1,28 @@
+def get_version():
+    try:
+        from importlib.metadata import PackageNotFoundError, version
+
+        try:
+            return version('openhands-ai')
+        except PackageNotFoundError:
+            pass
+    except ImportError:
+        pass
+
+    try:
+        from pkg_resources import DistributionNotFound, get_distribution
+
+        try:
+            return get_distribution('openhands-ai').version
+        except DistributionNotFound:
+            pass
+    except ImportError:
+        pass
+
+    return 'unknown'
+
+
+try:
+    __version__ = get_version()
+except Exception:
+    __version__ = 'unknown'

openhands/core/cli.py

@@ -1,10 +1,12 @@
+import argparse
 import asyncio
 import logging
 from typing import Type
 
 from termcolor import colored
 
 import agenthub  # noqa F401 (we import this to get the agents registered)
+from openhands import __version__
 from openhands.controller import AgentController
 from openhands.controller.agent import Agent
 from openhands.core.config import (
@@ -61,8 +63,32 @@ def display_event(event: Event):
         display_command_output(event.content)
 
 
+def get_parser() -> argparse.ArgumentParser:
+    """Get the parser for the command line arguments."""
+    parser = argparse.ArgumentParser(description='Run an agent with a specific task')
+
+    # Add the version argument
+    parser.add_argument(
+        '-v',
+        '--version',
+        action='version',
+        version=f'{__version__}',
+        help='Show the version number and exit',
+    )
+
+    return parser
+
+
 async def main():
     """Runs the agent in CLI mode"""
+
+    parser = get_parser()
+    args = parser.parse_args()
+
+    if args.version:
+        print(f'OpenHands version: {__version__}')
+        return
+
     logger.setLevel(logging.WARNING)
     config = load_app_config()
     sid = 'cli'

pyproject.toml

@@ -85,7 +85,6 @@ reportlab = "*"
 [tool.coverage.run]
 concurrency = ["gevent"]
 
-
 [tool.poetry.group.runtime.dependencies]
 jupyterlab = "*"
 notebook = "*"
@@ -116,7 +115,6 @@ ignore = ["D1"]
 [tool.ruff.lint.pydocstyle]
 convention = "google"
 
-
 [tool.poetry.group.evaluation.dependencies]
 streamlit = "*"
 whatthepatch = "*"
@@ -128,3 +126,10 @@ sympy = "*"
 gdown = "*"
 matplotlib = "*"
 seaborn = "*"
+
+[tool.poetry-dynamic-versioning]
+enable = true
+style = "semver"
+
+[tool.poetry.scripts]
+openhands = "openhands.core.cli:main"