[Python-checkins] CVS: python/dist/src/Lib/curses __init__.py,NONE,1.1 wrapper.py,NONE,1.1
A.M. Kuchling
python-dev@python.org
Sat, 10 Jun 2000 16:06:55 -0700
Update of /cvsroot/python/python/dist/src/Lib/curses
In directory slayer.i.sourceforge.net:/tmp/cvs-serv18069
Added Files:
__init__.py wrapper.py
Log Message:
Add contents of curses package
***** Error reading new file(2, 'No such file or directory')
--- NEW FILE ---
"""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 sys, curses
def wrapper(func, *rest):
"""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().
"""
res = None
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)
res = apply(func, (stdscr,) + rest)
except:
# In the event of an error, restore the terminal
# to a sane state.
stdscr.keypad(0)
curses.echo() ; curses.nocbreak()
curses.endwin()
# Pass the exception upwards
(exc_type, exc_value, exc_traceback) = sys.exc_info()
raise exc_type, exc_value, exc_traceback
else:
# Set everything back to normal
stdscr.keypad(0)
curses.echo() ; curses.nocbreak()
curses.endwin() # Terminate curses
return res