Hide stacktrace unless verbose mode is enabled

aiidalab_launch/__main__.py

@@ -8,6 +8,7 @@
 import getpass
 import logging
 import socket
+import sys
 from pathlib import Path
 from textwrap import wrap
 
@@ -67,6 +68,13 @@
 pass_app_state = click.make_pass_decorator(ApplicationState, ensure=True)
 
 
+def exception_handler(exception_type, exception, traceback):  # noqa: U100
+    click.echo(f"Unexpected {exception_type.__name__}: {exception}", err=True)
+    click.echo(
+        "Use verbose mode `aiidalab-launch --verbose` to see full stacktrace", err=True
+    )
+
+
 def with_profile(cmd):
     def callback(ctx, param, value):  # noqa: U100
         app_state = ctx.ensure_object(ApplicationState)
@@ -100,6 +108,10 @@ def cli(app_state, verbose):
             err=True,
         )
 
+    # Hide stack traces by default
+    if verbose == 0:
+        sys.excepthook = exception_handler
+
     LOGGER.info(f"Configuration file path: {app_state.config_path}")
 
     latest_version = get_latest_version(timeout=0.1)

tests/test_cli.py

@@ -51,6 +51,23 @@ def test_version_verbose_logging():
     assert "Verbose logging is enabled." in result.output.strip()
 
 
+def test_hidden_stacktrace():
+    """
+    Arrange/Act: Run `profiles edit invalid` subcommand.
+    Assert:  The output does not contain stacktrace.
+    """
+    runner: CliRunner = CliRunner()
+    with pytest.raises(ValueError):
+        result: Result = runner.invoke(
+            cli.cli, ["profiles", "show", "invalid"], catch_exceptions=False
+        )
+    result: Result = runner.invoke(
+        cli.cli,
+        ["profiles", "show", "invalid"],
+    )
+    assert isinstance(result.exception, ValueError)
+
+
 def test_list_profiles():
     runner: CliRunner = CliRunner()
     result: Result = runner.invoke(cli.cli, ["profiles", "list"])