1"""curses 2 3The main package for curses support for Python. Normally used by importing 4the package, and perhaps a particular module inside it. 5 6 import curses 7 from curses import textpad 8 curses.initscr() 9 ... 10 11""" 12 13__revision__ = "$Id$" 14 15from _curses import * 16from curses.wrapper import wrapper 17import os as _os 18import sys as _sys 19 20# Some constants, most notably the ACS_* ones, are only added to the C 21# _curses module's dictionary after initscr() is called. (Some 22# versions of SGI's curses don't define values for those constants 23# until initscr() has been called.) This wrapper function calls the 24# underlying C initscr(), and then copies the constants from the 25# _curses module to the curses package's dictionary. Don't do 'from 26# curses import *' if you'll be needing the ACS_* constants. 27 28def initscr(): 29 import _curses, curses 30 # we call setupterm() here because it raises an error 31 # instead of calling exit() in error cases. 32 setupterm(term=_os.environ.get("TERM", "unknown"), 33 fd=_sys.__stdout__.fileno()) 34 stdscr = _curses.initscr() 35 for key, value in _curses.__dict__.items(): 36 if key[0:4] == 'ACS_' or key in ('LINES', 'COLS'): 37 setattr(curses, key, value) 38 39 return stdscr 40 41# This is a similar wrapper for start_color(), which adds the COLORS and 42# COLOR_PAIRS variables which are only available after start_color() is 43# called. 44 45def start_color(): 46 import _curses, curses 47 retval = _curses.start_color() 48 if hasattr(_curses, 'COLORS'): 49 curses.COLORS = _curses.COLORS 50 if hasattr(_curses, 'COLOR_PAIRS'): 51 curses.COLOR_PAIRS = _curses.COLOR_PAIRS 52 return retval 53 54# Import Python has_key() implementation if _curses doesn't contain has_key() 55 56try: 57 has_key 58except NameError: 59 from has_key import has_key 60