feat: add clear_display keymap (\C-\M-l)

Author: sharmaigne

Lib/_pyrepl/commands.py

@@ -135,6 +135,13 @@ def do(self) -> None:
         r.dirty = True
 
 
+class clear_display(Command):
+    def do(self) -> None:
+        r = self.reader
+        r.console.clear_all()
+        r.dirty = True
+
+
 class refresh(Command):
     def do(self) -> None:
         self.reader.dirty = True

Lib/_pyrepl/reader.py

@@ -75,13 +75,14 @@ def make_default_commands() -> dict[CommandName, type[Command]]:
         (r"\<return>", "accept"),
         (r"\C-k", "kill-line"),
         (r"\C-l", "clear-screen"),
+        (r"\C-\M-l", "clear-display"),
         (r"\C-m", "accept"),
         (r"\C-t", "transpose-characters"),
         (r"\C-u", "unix-line-discard"),
         (r"\C-w", "unix-word-rubout"),
         (r"\C-x\C-u", "upcase-region"),
         (r"\C-y", "yank"),
-        *(() if sys.platform == "win32" else ((r"\C-z", "suspend"), )),
+        *(() if sys.platform == "win32" else ((r"\C-z", "suspend"),)),
         (r"\M-b", "backward-word"),
         (r"\M-c", "capitalize-word"),
         (r"\M-d", "kill-word"),
@@ -226,11 +227,12 @@ class RefreshCache:
         dimensions: tuple[int, int] = field(init=False)
         invalidated: bool = False
 
-        def update_cache(self,
-                         reader: Reader,
-                         screen: list[str],
-                         screeninfo: list[tuple[int, list[int]]],
-            ) -> None:
+        def update_cache(
+            self,
+            reader: Reader,
+            screen: list[str],
+            screeninfo: list[tuple[int, list[int]]],
+        ) -> None:
             self.screen = screen.copy()
             self.screeninfo = screeninfo.copy()
             self.pos = reader.pos
@@ -309,7 +311,7 @@ def calc_screen(self) -> list[str]:
         pos = self.pos
         pos -= offset
 
-        prompt_from_cache = (offset and self.buffer[offset - 1] != "\n")
+        prompt_from_cache = offset and self.buffer[offset - 1] != "\n"
 
         if self.can_colorize:
             colors = list(gen_colors(self.get_unicode()))
@@ -672,8 +674,9 @@ def do_cmd(self, cmd: tuple[str, list[str]]) -> None:
 
     def run_hooks(self) -> None:
         threading_hook = self.threading_hook
-        if threading_hook is None and 'threading' in sys.modules:
+        if threading_hook is None and "threading" in sys.modules:
             from ._threading_handler import install_threading_hook
+
             install_threading_hook(self)
         if threading_hook is not None:
             try: