✨ Allow gettext translation of help message (#886)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

typer/rich_utils.py

@@ -92,6 +92,7 @@
 COMMANDS_PANEL_TITLE = _("Commands")
 ERRORS_PANEL_TITLE = _("Error")
 ABORTED_TEXT = _("Aborted.")
+RICH_HELP = _("Try [blue]'{command_path} {help_option}'[/] for help.")
 
 MARKUP_MODE_MARKDOWN = "markdown"
 MARKUP_MODE_RICH = "rich"
@@ -688,7 +689,9 @@ def rich_format_error(self: click.ClickException) -> None:
 
     if ctx is not None and ctx.command.get_help_option(ctx) is not None:
         console.print(
-            f"Try [blue]'{ctx.command_path} {ctx.help_option_names[0]}'[/] for help.",
+            RICH_HELP.format(
+                command_path=ctx.command_path, help_option=ctx.help_option_names[0]
+            ),
             style=STYLE_ERRORS_SUGGESTION,
         )