1 """curses 2 3 The main package for curses support for Python. Normally used by importing 4 the 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 15 from _curses import * 16 from curses.wrapper import wrapper 17 import os as _os 18 import 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 28 def 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 45 def 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 56 try: 57 has_key 58 except NameError: 59 from has_key import has_key 60
