cursed.py


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import curses
import asyncio
import sys

class Console():
    def __init__(self):
        self.stdscr = curses.initscr()

    def __enter__(self):
        curses.noecho()
        curses.cbreak()
        self.stdscr.keypad(True)
        return self

    def __exit__(self, *_):
        curses.nocbreak()
        self.stdscr.keypad(False)
        curses.echo()
        curses.endwin()


async def start(c, on_str, on_tab):
    string = ""
    while True:
        char = await asyncio.to_thread(c.stdscr.getkey)
        if char == '\n':
            await on_str(string)
            string = ""
        elif char == '\t':
            await on_tab()
        else:
            string += char