File size: 1,298 Bytes
5b76e0f | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 | from typing import TYPE_CHECKING
from .segment import Segment
if TYPE_CHECKING:
from .console import Console, ConsoleOptions, RenderResult
STRIP_CONTROL_CODES = [
8, # Backspace
11, # Vertical tab
12, # Form feed
13, # Carriage return
]
_CONTROL_TRANSLATE = {_codepoint: None for _codepoint in STRIP_CONTROL_CODES}
class Control:
"""A renderable that inserts a control code (non printable but may move cursor).
Args:
control_codes (str): A string containing control codes.
"""
__slots__ = ["_control_codes"]
def __init__(self, control_codes: str) -> None:
self._control_codes = Segment.control(control_codes)
def __str__(self) -> str:
return self._control_codes.text
def __rich_console__(
self, console: "Console", options: "ConsoleOptions"
) -> "RenderResult":
yield self._control_codes
def strip_control_codes(text: str, _translate_table=_CONTROL_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)
if __name__ == "__main__": # pragma: no cover
print(strip_control_codes("hello\rWorld"))
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