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c:\python24\lib \ curses

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0001 """curses
0002 
0003 The main package for curses support for Python.  Normally used by importing
0004 the package, and perhaps a particular module inside it.
0005 
0006    import curses
0007    from curses import textpad
0008    curses.initwin()
0009    ...
0010 
0011 """
0012 
0013 __revision__ = "$Id: __init__.py,v 1.5 2004/07/18 06:14:41 tim_one Exp $"
0014 
0015 from _curses import *
0016 from curses.wrapper import wrapper
0017 
0018 # Some constants, most notably the ACS_* ones, are only added to the C
0019 # _curses module's dictionary after initscr() is called.  (Some
0020 # versions of SGI's curses don't define values for those constants
0021 # until initscr() has been called.)  This wrapper function calls the
0022 # underlying C initscr(), and then copies the constants from the
0023 # _curses module to the curses package's dictionary.  Don't do 'from
0024 # curses import *' if you'll be needing the ACS_* constants.
0025 
0026 def initscr():
0027     import _curses, curses
0028     stdscr = _curses.initscr()
0029     for key, value in _curses.__dict__.items():
0030         if key[0:4] == 'ACS_' or key in ('LINES', 'COLS'):
0031             setattr(curses, key, value)
0032 
0033     return stdscr
0034 
0035 # This is a similar wrapper for start_color(), which adds the COLORS and
0036 # COLOR_PAIRS variables which are only available after start_color() is
0037 # called.
0038 
0039 def start_color():
0040     import _curses, curses
0041     retval = _curses.start_color()
0042     if hasattr(_curses, 'COLORS'):
0043         curses.COLORS = _curses.COLORS
0044     if hasattr(_curses, 'COLOR_PAIRS'):
0045         curses.COLOR_PAIRS = _curses.COLOR_PAIRS
0046     return retval
0047 
0048 # Import Python has_key() implementation if _curses doesn't contain has_key()
0049 
0050 try:
0051     has_key
0052 except NameError:
0053     from has_key import has_key
0054 

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