intermediate changes

ref:0bfa27bb6c38df8c510497e54e4ebf0b4fb84503

1 files changed, 15 insertions, 0 deletions

diff --git a/contrib/python/prompt-toolkit/py3/prompt_toolkit/output/base.py b/contrib/python/prompt-toolkit/py3/prompt_toolkit/output/base.py
index 0d6be34842..c78677bc8b 100644
--- a/contrib/python/prompt-toolkit/py3/prompt_toolkit/output/base.py
+++ b/contrib/python/prompt-toolkit/py3/prompt_toolkit/output/base.py
@@ -4,6 +4,7 @@ Interface for an output.
 from abc import ABCMeta, abstractmethod
 from typing import Optional, TextIO
 
+from prompt_toolkit.cursor_shapes import CursorShape
 from prompt_toolkit.data_structures import Size
 from prompt_toolkit.styles import Attrs
 
@@ -140,6 +141,14 @@ class Output(metaclass=ABCMeta):
     def show_cursor(self) -> None:
         "Show cursor."
 
+    @abstractmethod
+    def set_cursor_shape(self, cursor_shape: CursorShape) -> None:
+        "Set cursor shape to block, beam or underline."
+
+    @abstractmethod
+    def reset_cursor_shape(self) -> None:
+        "Reset cursor shape."
+
     def ask_for_cpr(self) -> None:
         """
         Asks for a cursor position report (CPR).
@@ -289,6 +298,12 @@ class DummyOutput(Output):
     def show_cursor(self) -> None:
         pass
 
+    def set_cursor_shape(self, cursor_shape: CursorShape) -> None:
+        pass
+
+    def reset_cursor_shape(self) -> None:
+        pass
+
     def ask_for_cpr(self) -> None:
         pass