mirror of
https://github.com/Sneed-Group/Poodletooth-iLand
synced 2024-12-26 05:02:31 -06:00
50 lines
1.6 KiB
Python
50 lines
1.6 KiB
Python
"""curses.wrapper
|
|
|
|
Contains one function, wrapper(), which runs another function which
|
|
should be the rest of your curses-based application. If the
|
|
application raises an exception, wrapper() will restore the terminal
|
|
to a sane state so you can read the resulting traceback.
|
|
|
|
"""
|
|
|
|
import curses
|
|
|
|
def wrapper(func, *args, **kwds):
|
|
"""Wrapper function that initializes curses and calls another function,
|
|
restoring normal keyboard/screen behavior on error.
|
|
The callable object 'func' is then passed the main window 'stdscr'
|
|
as its first argument, followed by any other arguments passed to
|
|
wrapper().
|
|
"""
|
|
|
|
try:
|
|
# Initialize curses
|
|
stdscr = curses.initscr()
|
|
|
|
# Turn off echoing of keys, and enter cbreak mode,
|
|
# where no buffering is performed on keyboard input
|
|
curses.noecho()
|
|
curses.cbreak()
|
|
|
|
# In keypad mode, escape sequences for special keys
|
|
# (like the cursor keys) will be interpreted and
|
|
# a special value like curses.KEY_LEFT will be returned
|
|
stdscr.keypad(1)
|
|
|
|
# Start color, too. Harmless if the terminal doesn't have
|
|
# color; user can test with has_color() later on. The try/catch
|
|
# works around a minor bit of over-conscientiousness in the curses
|
|
# module -- the error return from C start_color() is ignorable.
|
|
try:
|
|
curses.start_color()
|
|
except:
|
|
pass
|
|
|
|
return func(stdscr, *args, **kwds)
|
|
finally:
|
|
# Set everything back to normal
|
|
if 'stdscr' in locals():
|
|
stdscr.keypad(0)
|
|
curses.echo()
|
|
curses.nocbreak()
|
|
curses.endwin()
|