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press.py
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press.py
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import fcntl
import sys
import os
import time
import tty
import termios
class raw(object):
def __init__(self, stream):
self.stream = stream
self.fd = self.stream.fileno()
def __enter__(self):
self.original_stty = termios.tcgetattr(self.stream)
tty.setcbreak(self.stream)
def __exit__(self, type, value, traceback):
termios.tcsetattr(self.stream, termios.TCSANOW, self.original_stty)
class nonblocking(object):
def __init__(self, stream):
self.stream = stream
self.fd = self.stream.fileno()
def __enter__(self):
self.orig_fl = fcntl.fcntl(self.fd, fcntl.F_GETFL)
fcntl.fcntl(self.fd, fcntl.F_SETFL, self.orig_fl | os.O_NONBLOCK)
def __exit__(self, *args):
fcntl.fcntl(self.fd, fcntl.F_SETFL, self.orig_fl)
with raw(sys.stdin):
with nonblocking(sys.stdin):
while True:
try:
c = sys.stdin.read(1)
print(repr(c))
if c=="x":
break
except IOError:
print('not ready')
#time.sleep(.01)