mirror of https://github.com/python/cpython
40 lines
1.2 KiB
Python
40 lines
1.2 KiB
Python
"""curses.wrapper
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Contains one function, wrapper(), which runs another function which
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should be the rest of your curses-based application. If the
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application raises an exception, wrapper() will restore the terminal
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to a sane state so you can read the resulting traceback.
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"""
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import sys, curses
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def wrapper(func, *rest):
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"""Wrapper function that initializes curses and calls another function,
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restoring normal keyboard/screen behavior on error.
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The callable object 'func' is then passed the main window 'stdscr'
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as its first argument, followed by any other arguments passed to
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wrapper().
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"""
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try:
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# Initialize curses
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stdscr=curses.initscr()
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# Turn off echoing of keys, and enter cbreak mode,
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# where no buffering is performed on keyboard input
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curses.noecho() ; curses.cbreak()
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# In keypad mode, escape sequences for special keys
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# (like the cursor keys) will be interpreted and
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# a special value like curses.KEY_LEFT will be returned
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stdscr.keypad(1)
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return apply(func, (stdscr,) + rest)
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finally:
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# Restore the terminal to a sane state on the way out.
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stdscr.keypad(0)
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curses.echo() ; curses.nocbreak()
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curses.endwin()
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