76 lines
1.7 KiB
Python
Executable File
76 lines
1.7 KiB
Python
Executable File
import sys, os
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#
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# getch in a platform-independent way
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# Credit: http://code.activestate.com/recipes/134892/
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#
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class _Getch:
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"""Gets a single character from standard input. Does not echo to the
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screen."""
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def __init__(self):
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try:
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self.impl = _GetchWindows()
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except ImportError:
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try:
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self.impl = _GetchMacCarbon()
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except(AttributeError, ImportError):
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self.impl = _GetchUnix()
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def __call__(self): return self.impl()
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class _GetchUnix:
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def __init__(self):
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import tty, sys
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def __call__(self):
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import sys, tty, termios
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fd = sys.stdin.fileno()
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old_settings = termios.tcgetattr(fd)
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try:
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tty.setraw(sys.stdin.fileno())
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ch = sys.stdin.read(1)
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finally:
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termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)
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return ch
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class _GetchWindows:
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def __init__(self):
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import msvcrt
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def __call__(self):
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import msvcrt
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return msvcrt.getch()
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class _GetchMacCarbon:
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def __init__(self):
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import Carbon
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def __call__(self):
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import Carbon
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if Carbon.Evt.EventAvail(0x0008)[0]==0: # 0x0008 is the keyDownMask
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return ''
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else:
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(what,msg,when,where,mod)=Carbon.Evt.GetNextEvent(0x0008)[1]
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return chr(msg & 0x000000FF)
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getch = _Getch()
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def cls():
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os.system(['clear','cls'][os.name == 'nt'])
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interactive = True
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def get_input():
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global interactive
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if not interactive:
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return True
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while True:
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key = ord(getch())
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if key == 32: # space bar
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return True
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elif key == 27: # ESC
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interactive = False
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return True
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