Add --quiet and --simple-prompt command line arguments

src/sage/cli/__init__.py

@@ -24,6 +24,19 @@ def main() -> int:
         default=False,
         help="print additional information",
     )
+    parser.add_argument(
+        "-q",
+        "--quiet",
+        action="store_true",
+        default=False,
+        help="do not display the banner",
+    )
+    parser.add_argument(
+        "--simple-prompt",
+        action="store_true",
+        default=False,
+        help="use simple prompt IPython mode",
+    )
 
     VersionCmd.extend_parser(parser)
     JupyterNotebookCmd.extend_parser(parser)

src/sage/cli/interactive_shell_cmd.py

@@ -14,12 +14,15 @@ def run(self) -> int:
         """
         # Display startup banner. Do this before anything else to give the user
         # early feedback that Sage is starting.
-        from sage.misc.banner import banner
-
-        banner()
+        if not self.options.quiet:
+            from sage.misc.banner import banner
+            banner()
 
         from sage.repl.interpreter import SageTerminalApp
 
         app = SageTerminalApp.instance()
+        if self.options.simple_prompt:
+            app.config['InteractiveShell']['simple_prompt'] = True
+            app.config['InteractiveShell']['colors'] = 'nocolor'
         app.initialize([])
         return app.start()  # type: ignore

src/sage/cli/options.py

@@ -10,6 +10,12 @@ class CliOptions:
     """Indicates whether verbose output is enabled."""
     verbose: bool = False
 
+    """Indicates whether the banner should be displayed."""
+    quiet: bool = False
+
+    """Indicates whether the IPython simple prompt should be used."""
+    simple_prompt: bool = False
+
     """The notebook type to start."""
     notebook: str = "jupyter"