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1 files changed, 225 insertions, 0 deletions
diff --git a/venv/lib/python3.11/site-packages/rich/control.py b/venv/lib/python3.11/site-packages/rich/control.py
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+++ b/venv/lib/python3.11/site-packages/rich/control.py
@@ -0,0 +1,225 @@
+import sys
+import time
+from typing import TYPE_CHECKING, Callable, Dict, Iterable, List, Union
+
+if sys.version_info >= (3, 8):
+ from typing import Final
+else:
+ from typing_extensions import Final # pragma: no cover
+
+from .segment import ControlCode, ControlType, Segment
+
+if TYPE_CHECKING:
+ from .console import Console, ConsoleOptions, RenderResult
+
+STRIP_CONTROL_CODES: Final = [
+ 7, # Bell
+ 8, # Backspace
+ 11, # Vertical tab
+ 12, # Form feed
+ 13, # Carriage return
+]
+_CONTROL_STRIP_TRANSLATE: Final = {
+ _codepoint: None for _codepoint in STRIP_CONTROL_CODES
+}
+
+CONTROL_ESCAPE: Final = {
+ 7: "\\a",
+ 8: "\\b",
+ 11: "\\v",
+ 12: "\\f",
+ 13: "\\r",
+}
+
+CONTROL_CODES_FORMAT: Dict[int, Callable[..., str]] = {
+ ControlType.BELL: lambda: "\x07",
+ ControlType.CARRIAGE_RETURN: lambda: "\r",
+ ControlType.HOME: lambda: "\x1b[H",
+ ControlType.CLEAR: lambda: "\x1b[2J",
+ ControlType.ENABLE_ALT_SCREEN: lambda: "\x1b[?1049h",
+ ControlType.DISABLE_ALT_SCREEN: lambda: "\x1b[?1049l",
+ ControlType.SHOW_CURSOR: lambda: "\x1b[?25h",
+ ControlType.HIDE_CURSOR: lambda: "\x1b[?25l",
+ ControlType.CURSOR_UP: lambda param: f"\x1b[{param}A",
+ ControlType.CURSOR_DOWN: lambda param: f"\x1b[{param}B",
+ ControlType.CURSOR_FORWARD: lambda param: f"\x1b[{param}C",
+ ControlType.CURSOR_BACKWARD: lambda param: f"\x1b[{param}D",
+ ControlType.CURSOR_MOVE_TO_COLUMN: lambda param: f"\x1b[{param+1}G",
+ ControlType.ERASE_IN_LINE: lambda param: f"\x1b[{param}K",
+ ControlType.CURSOR_MOVE_TO: lambda x, y: f"\x1b[{y+1};{x+1}H",
+ ControlType.SET_WINDOW_TITLE: lambda title: f"\x1b]0;{title}\x07",
+}
+
+
+class Control:
+ """A renderable that inserts a control code (non printable but may move cursor).
+
+ Args:
+ *codes (str): Positional arguments are either a :class:`~rich.segment.ControlType` enum or a
+ tuple of ControlType and an integer parameter
+ """
+
+ __slots__ = ["segment"]
+
+ def __init__(self, *codes: Union[ControlType, ControlCode]) -> None:
+ control_codes: List[ControlCode] = [
+ (code,) if isinstance(code, ControlType) else code for code in codes
+ ]
+ _format_map = CONTROL_CODES_FORMAT
+ rendered_codes = "".join(
+ _format_map[code](*parameters) for code, *parameters in control_codes
+ )
+ self.segment = Segment(rendered_codes, None, control_codes)
+
+ @classmethod
+ def bell(cls) -> "Control":
+ """Ring the 'bell'."""
+ return cls(ControlType.BELL)
+
+ @classmethod
+ def home(cls) -> "Control":
+ """Move cursor to 'home' position."""
+ return cls(ControlType.HOME)
+
+ @classmethod
+ def move(cls, x: int = 0, y: int = 0) -> "Control":
+ """Move cursor relative to current position.
+
+ Args:
+ x (int): X offset.
+ y (int): Y offset.
+
+ Returns:
+ ~Control: Control object.
+
+ """
+
+ def get_codes() -> Iterable[ControlCode]:
+ control = ControlType
+ if x:
+ yield (
+ control.CURSOR_FORWARD if x > 0 else control.CURSOR_BACKWARD,
+ abs(x),
+ )
+ if y:
+ yield (
+ control.CURSOR_DOWN if y > 0 else control.CURSOR_UP,
+ abs(y),
+ )
+
+ control = cls(*get_codes())
+ return control
+
+ @classmethod
+ def move_to_column(cls, x: int, y: int = 0) -> "Control":
+ """Move to the given column, optionally add offset to row.
+
+ Returns:
+ x (int): absolute x (column)
+ y (int): optional y offset (row)
+
+ Returns:
+ ~Control: Control object.
+ """
+
+ return (
+ cls(
+ (ControlType.CURSOR_MOVE_TO_COLUMN, x),
+ (
+ ControlType.CURSOR_DOWN if y > 0 else ControlType.CURSOR_UP,
+ abs(y),
+ ),
+ )
+ if y
+ else cls((ControlType.CURSOR_MOVE_TO_COLUMN, x))
+ )
+
+ @classmethod
+ def move_to(cls, x: int, y: int) -> "Control":
+ """Move cursor to absolute position.
+
+ Args:
+ x (int): x offset (column)
+ y (int): y offset (row)
+
+ Returns:
+ ~Control: Control object.
+ """
+ return cls((ControlType.CURSOR_MOVE_TO, x, y))
+
+ @classmethod
+ def clear(cls) -> "Control":
+ """Clear the screen."""
+ return cls(ControlType.CLEAR)
+
+ @classmethod
+ def show_cursor(cls, show: bool) -> "Control":
+ """Show or hide the cursor."""
+ return cls(ControlType.SHOW_CURSOR if show else ControlType.HIDE_CURSOR)
+
+ @classmethod
+ def alt_screen(cls, enable: bool) -> "Control":
+ """Enable or disable alt screen."""
+ if enable:
+ return cls(ControlType.ENABLE_ALT_SCREEN, ControlType.HOME)
+ else:
+ return cls(ControlType.DISABLE_ALT_SCREEN)
+
+ @classmethod
+ def title(cls, title: str) -> "Control":
+ """Set the terminal window title
+
+ Args:
+ title (str): The new terminal window title
+ """
+ return cls((ControlType.SET_WINDOW_TITLE, title))
+
+ def __str__(self) -> str:
+ return self.segment.text
+
+ def __rich_console__(
+ self, console: "Console", options: "ConsoleOptions"
+ ) -> "RenderResult":
+ if self.segment.text:
+ yield self.segment
+
+
+def strip_control_codes(
+ text: str, _translate_table: Dict[int, None] = _CONTROL_STRIP_TRANSLATE
+) -> str:
+ """Remove control codes from text.
+
+ Args:
+ text (str): A string possibly contain control codes.
+
+ Returns:
+ str: String with control codes removed.
+ """
+ return text.translate(_translate_table)
+
+
+def escape_control_codes(
+ text: str,
+ _translate_table: Dict[int, str] = CONTROL_ESCAPE,
+) -> str:
+ """Replace control codes with their "escaped" equivalent in the given text.
+ (e.g. "\b" becomes "\\b")
+
+ Args:
+ text (str): A string possibly containing control codes.
+
+ Returns:
+ str: String with control codes replaced with their escaped version.
+ """
+ return text.translate(_translate_table)
+
+
+if __name__ == "__main__": # pragma: no cover
+ from rich.console import Console
+
+ console = Console()
+ console.print("Look at the title of your terminal window ^")
+ # console.print(Control((ControlType.SET_WINDOW_TITLE, "Hello, world!")))
+ for i in range(10):
+ console.set_window_title("🚀 Loading" + "." * i)
+ time.sleep(0.5)