2020-10-09 14:14:23 +00:00
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import curses
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2020-10-09 15:04:32 +00:00
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from types import TracebackType
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2020-10-09 14:14:23 +00:00
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2020-10-09 15:04:32 +00:00
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class TermManager:
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2020-10-09 14:14:23 +00:00
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def __init__(self):
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self.screen = curses.initscr()
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# convert escapes sequences to curses abstraction
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self.screen.keypad(True)
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# stop printing typed keys to the terminal
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curses.noecho()
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# send keys through without having to press <enter>
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curses.cbreak()
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# make cursor invisible
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curses.curs_set(False)
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def __enter__(self):
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2020-10-09 15:04:32 +00:00
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return self
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2020-10-09 14:14:23 +00:00
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2020-10-09 15:04:32 +00:00
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def __exit__(self, exc_type: type, exc_value: Exception,
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exc_traceback: TracebackType) -> None:
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2020-10-09 14:14:23 +00:00
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# restore the terminal to its original state
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self.screen.keypad(False)
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curses.echo()
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curses.nocbreak()
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curses.curs_set(True)
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curses.endwin()
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