Add Python module entry point

objection/__main__.py

@@ -0,0 +1,7 @@
+"""Run Objection as a Python module."""
+
+from objection.console.cli import cli
+
+
+if __name__ == "__main__":
+    cli()

tests/test_module_entrypoint.py

@@ -0,0 +1,29 @@
+import os
+import subprocess
+import sys
+import tempfile
+import unittest
+from pathlib import Path
+
+from objection import __version__
+
+
+class TestsModuleEntrypoint(unittest.TestCase):
+    def test_module_entrypoint_runs_cli(self):
+        with tempfile.TemporaryDirectory() as home:
+            Path(home, ".objection").mkdir()
+            env = os.environ.copy()
+            env["HOME"] = home
+            env["USERPROFILE"] = home
+
+            result = subprocess.run(
+                [sys.executable, "-m", "objection", "version"],
+                capture_output=True,
+                check=False,
+                text=True,
+                env=env,
+            )
+
+        self.assertEqual(result.returncode, 0)
+        self.assertTrue(result.stdout.endswith(f"objection: {__version__}\n"))
+        self.assertEqual(result.stderr, "")