feat: add entrypoint autodiscover

Author: radugheo

packages/uipath/pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "uipath"
-version = "2.10.11"
+version = "2.10.12"
 description = "Python SDK and CLI for UiPath Platform, enabling programmatic interaction with automation services, process management, and deployment tools."
 readme = { file = "README.md", content-type = "text/markdown" }
 requires-python = ">=3.11"

packages/uipath/src/uipath/_cli/cli_run.py

@@ -34,6 +34,38 @@
 console = ConsoleLogger()
 
 
+class _RunDiscoveryError(Exception):
+    """Raised when entrypoint auto-discovery fails."""
+
+    def __init__(self, entrypoints: list[str]):
+        self.entrypoints = entrypoints
+
+
+def _show_run_usage_help(entrypoints: list[str]) -> None:
+    """Show available entrypoints with usage examples."""
+    lines: list[str] = []
+
+    if entrypoints:
+        lines.append("Available entrypoints:")
+        for name in entrypoints:
+            lines.append(f"  - {name}")
+    else:
+        lines.append(
+            "No entrypoints found. "
+            "Add a 'functions' or 'agents' section to your config file "
+            "(e.g. uipath.json, langgraph.json) "
+            "or MCP slugs to mcp.json."
+        )
+
+    lines.append(
+        "\nUsage: uipath run <entrypoint> <input_arguments> [-f <input_json_file_path>]"
+    )
+    if entrypoints:
+        lines.append(f"Example: uipath run {entrypoints[0]}")
+
+    click.echo("\n".join(lines))
+
+
 @click.command()
 @click.argument("entrypoint", required=False)
 @click.argument("input", required=False, default=None)
@@ -125,11 +157,6 @@ def run(
         return
 
     if result.should_continue:
-        if not entrypoint:
-            console.error("""No entrypoint specified. Please provide the path to the Python function.
-    Usage: `uipath run <entrypoint> <input_arguments> [-f <input_json_file_path>]`""")
-            return
-
         try:
 
             async def execute_runtime(
@@ -187,14 +214,23 @@ async def execute() -> None:
                         factory: UiPathRuntimeFactoryProtocol | None = None
                         try:
                             factory = UiPathRuntimeFactoryRegistry.get(context=ctx)
+
+                            resolved_entrypoint = entrypoint
+                            if not resolved_entrypoint:
+                                available = factory.discover_entrypoints()
+                                if len(available) == 1:
+                                    resolved_entrypoint = available[0]
+                                else:
+                                    raise _RunDiscoveryError(available)
+
                             factory_settings = await factory.get_settings()
                             trace_settings = (
                                 factory_settings.trace_settings
                                 if factory_settings
                                 else None
                             )
                             runtime = await factory.new_runtime(
-                                entrypoint,
+                                resolved_entrypoint,
                                 ctx.conversation_id or ctx.job_id or "default",
                             )
 
@@ -230,12 +266,17 @@ async def execute() -> None:
 
             asyncio.run(execute())
 
+        except _RunDiscoveryError as e:
+            _show_run_usage_help(e.entrypoints)
+            return
         except UiPathRuntimeError as e:
             console.error(f"{e.error_info.title} - {e.error_info.detail}")
+            return
         except Exception as e:
             console.error(
                 f"Error: Unexpected error occurred - {str(e)}", include_traceback=True
             )
+            return
 
     console.success("Successful execution.")
 

packages/uipath/tests/cli/test_run.py

@@ -1,6 +1,7 @@
 # type: ignore
 import os
-from unittest.mock import patch
+from contextlib import asynccontextmanager
+from unittest.mock import AsyncMock, Mock, patch
 
 import pytest
 from click.testing import CliRunner
@@ -9,6 +10,41 @@
 from uipath._cli.middlewares import MiddlewareResult
 
 
+def _middleware_continue():
+    return MiddlewareResult(
+        should_continue=True,
+        error_message=None,
+        should_include_stacktrace=False,
+    )
+
+
+async def _empty_async_gen(*args, **kwargs):
+    """An async generator that yields nothing (simulates empty runtime.stream)."""
+    return
+    yield  # noqa: unreachable - makes this an async generator
+
+
+def _make_mock_factory(entrypoints: list[str]):
+    """Create a mock runtime factory with given entrypoints."""
+    mock_factory = Mock()
+    mock_factory.discover_entrypoints.return_value = entrypoints
+    mock_factory.get_settings = AsyncMock(return_value=None)
+    mock_factory.dispose = AsyncMock()
+
+    mock_runtime = Mock()
+    mock_runtime.execute = AsyncMock(return_value=Mock(status="SUCCESSFUL"))
+    mock_runtime.stream = Mock(side_effect=_empty_async_gen)
+    mock_runtime.dispose = AsyncMock()
+    mock_factory.new_runtime = AsyncMock(return_value=mock_runtime)
+
+    return mock_factory
+
+
+@asynccontextmanager
+async def _mock_resource_overwrites_context(*args, **kwargs):
+    yield
+
+
 @pytest.fixture
 def entrypoint():
     return "main"
@@ -142,14 +178,81 @@ def test_run_input_file_success(
                     assert "Successful execution." in result.output
 
     class TestMiddleware:
-        def test_no_entrypoint(self, runner: CliRunner, temp_dir: str):
+        def test_autodiscover_entrypoint(self, runner: CliRunner, temp_dir: str):
+            """When exactly one entrypoint exists, it is auto-resolved."""
             with runner.isolated_filesystem(temp_dir=temp_dir):
-                result = runner.invoke(cli, ["run"])
-                assert result.exit_code == 1
-                assert (
-                    "No entrypoint specified" in result.output
-                    or "Missing argument" in result.output
+                mock_factory = _make_mock_factory(["my_agent"])
+
+                with (
+                    patch(
+                        "uipath._cli.cli_run.Middlewares.next",
+                        return_value=_middleware_continue(),
+                    ),
+                    patch(
+                        "uipath._cli.cli_run.UiPathRuntimeFactoryRegistry.get",
+                        return_value=mock_factory,
+                    ),
+                    patch(
+                        "uipath._cli.cli_run.ResourceOverwritesContext",
+                        side_effect=_mock_resource_overwrites_context,
+                    ),
+                ):
+                    result = runner.invoke(cli, ["run"])
+
+                assert result.exit_code == 0, (
+                    f"output: {result.output!r}, exception: {result.exception}"
                 )
+                assert "Successful execution." in result.output
+                mock_factory.new_runtime.assert_awaited_once()
+                assert mock_factory.new_runtime.call_args[0][0] == "my_agent"
+
+        def test_no_entrypoint_multiple_available(
+            self, runner: CliRunner, temp_dir: str
+        ):
+            """When multiple entrypoints exist and none specified, show usage help."""
+            with runner.isolated_filesystem(temp_dir=temp_dir):
+                mock_factory = _make_mock_factory(["agent_a", "agent_b"])
+
+                with (
+                    patch(
+                        "uipath._cli.cli_run.Middlewares.next",
+                        return_value=_middleware_continue(),
+                    ),
+                    patch(
+                        "uipath._cli.cli_run.UiPathRuntimeFactoryRegistry.get",
+                        return_value=mock_factory,
+                    ),
+                ):
+                    result = runner.invoke(cli, ["run"])
+
+                assert result.exit_code == 0
+                assert "Available entrypoints:" in result.output
+                assert "agent_a" in result.output
+                assert "agent_b" in result.output
+                assert "Usage: uipath run" in result.output
+                mock_factory.new_runtime.assert_not_awaited()
+
+        def test_no_entrypoint_none_available(self, runner: CliRunner, temp_dir: str):
+            """When no entrypoints exist and none specified, show usage help."""
+            with runner.isolated_filesystem(temp_dir=temp_dir):
+                mock_factory = _make_mock_factory([])
+
+                with (
+                    patch(
+                        "uipath._cli.cli_run.Middlewares.next",
+                        return_value=_middleware_continue(),
+                    ),
+                    patch(
+                        "uipath._cli.cli_run.UiPathRuntimeFactoryRegistry.get",
+                        return_value=mock_factory,
+                    ),
+                ):
+                    result = runner.invoke(cli, ["run"])
+
+                assert result.exit_code == 0
+                assert "No entrypoints found" in result.output
+                assert "Usage: uipath run" in result.output
+                mock_factory.new_runtime.assert_not_awaited()
 
         def test_script_not_found(
             self, runner: CliRunner, temp_dir: str, entrypoint: str