def getch():
"""
Interrupting program until pressed any key
"""
try:
import msvcrt
return msvcrt.getch()
except ImportError:
import sys
import tty
import termios
fd = sys.stdin.fileno()
old_settings = termios.tcgetattr(fd)
try:
tty.setraw(sys.stdin.fileno())
ch = sys.stdin.read(1)
finally:
termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)
return ch
python类getch()的实例源码
def _handle_keyboard_message(self):
data = None
if sys.platform in ['linux', 'darwin']:
import select
if select.select([sys.stdin], [], [], 0) == ([sys.stdin], [], []):
data = sys.stdin.readline().rstrip()
elif sys.platform == 'win32':
import msvcrt
if msvcrt.kbhit():
data = msvcrt.getch().decode('utf-8')
if data == '\r':
# Enter is pressed
data = self.__q_kb
self.__q_kb = ''
else:
print(data)
self.__q_kb += data
data = None
else:
pass
return data
## Get the data message which was queued earlier.
def auto_run(self, files, dirs):
while(True):
print '\nTo show a list of files and dirs to be changed press "l"'
print 'To update the destination press "u"'
print 'To quit type q\n'
command = msvcrt.getch()
if command.lower() == 'l':
self.run_type(files, dirs, commit_changes = False)
elif command.lower() == 'u':
self.update(files, dirs, commit_changes = True)
break
elif command.lower() == 'q':
break
else:
pass
def wait_key():
''' Wait for a key press on the console and return it. '''
result = None
if os.name == 'nt':
import msvcrt
result = msvcrt.getch()
else:
import termios
fd = sys.stdin.fileno()
oldterm = termios.tcgetattr(fd)
newattr = termios.tcgetattr(fd)
newattr[3] = newattr[3] & ~termios.ICANON & ~termios.ECHO
termios.tcsetattr(fd, termios.TCSANOW, newattr)
try:
result = sys.stdin.read(1)
except IOError:
pass
finally:
termios.tcsetattr(fd, termios.TCSAFLUSH, oldterm)
return result
def win_getpass(prompt='Password: ', stream=None):
"""Prompt for password with echo off, using Windows getch()."""
if sys.stdin is not sys.__stdin__:
return fallback_getpass(prompt, stream)
import msvcrt
for c in prompt:
msvcrt.putch(c)
pw = ""
while 1:
c = msvcrt.getch()
if c == '\r' or c == '\n':
break
if c == '\003':
raise KeyboardInterrupt
if c == '\b':
pw = pw[:-1]
else:
pw = pw + c
msvcrt.putch('\r')
msvcrt.putch('\n')
return pw
def getarrow(self):
''' Returns an arrow-key code after kbhit() has been called. Codes are
0 : up
1 : right
2 : down
3 : left
Should not be called in the same program as getch().
'''
if os.name == 'nt':
msvcrt.getch() # skip 0xE0
c = msvcrt.getch()
vals = [72, 77, 80, 75]
else:
c = sys.stdin.read(3)[2]
vals = [65, 67, 66, 68]
return vals.index(ord(c.decode('utf-8')))
def _WaitForFinish(ob, timeout):
end = time.time() + timeout
while 1:
if msvcrt.kbhit():
msvcrt.getch()
break
pythoncom.PumpWaitingMessages()
stopEvent.wait(.2)
if stopEvent.isSet():
stopEvent.clear()
break
try:
if not ob.Visible:
# Gone invisible - we need to pretend we timed
# out, so the app is quit.
return 0
except pythoncom.com_error:
# Excel is busy (eg, editing the cell) - ignore
pass
if time.time() > end:
return 0
return 1
def win_getpass(prompt='Password: ', stream=None):
"""Prompt for password with echo off, using Windows getch()."""
if sys.stdin is not sys.__stdin__:
return fallback_getpass(prompt, stream)
import msvcrt
for c in prompt:
msvcrt.putch(c)
pw = ""
while 1:
c = msvcrt.getch()
if c == '\r' or c == '\n':
break
if c == '\003':
raise KeyboardInterrupt
if c == '\b':
pw = pw[:-1]
else:
pw = pw + c
msvcrt.putch('\r')
msvcrt.putch('\n')
return pw
def win_getpass(prompt='Password: ', stream=None):
"""Prompt for password with echo off, using Windows getch()."""
if sys.stdin is not sys.__stdin__:
return fallback_getpass(prompt, stream)
import msvcrt
for c in prompt:
msvcrt.putch(c)
pw = ""
while 1:
c = msvcrt.getch()
if c == '\r' or c == '\n':
break
if c == '\003':
raise KeyboardInterrupt
if c == '\b':
pw = pw[:-1]
else:
pw = pw + c
msvcrt.putch('\r')
msvcrt.putch('\n')
return pw
def _WaitForFinish(ob, timeout):
end = time.time() + timeout
while 1:
if msvcrt.kbhit():
msvcrt.getch()
break
pythoncom.PumpWaitingMessages()
stopEvent.wait(.2)
if stopEvent.isSet():
stopEvent.clear()
break
try:
if not ob.Visible:
# Gone invisible - we need to pretend we timed
# out, so the app is quit.
return 0
except pythoncom.com_error:
# Excel is busy (eg, editing the cell) - ignore
pass
if time.time() > end:
return 0
return 1
def get_pager_start(pager, start):
"""Return the string for paging files with an offset.
This is the '+N' argument which less and more (under Unix) accept.
"""
if pager in ['less','more']:
if start:
start_string = '+' + str(start)
else:
start_string = ''
else:
start_string = ''
return start_string
# (X)emacs on win32 doesn't like to be bypassed with msvcrt.getch()
def getch(self):
c = self.getbyt()
if c is None:
return None
#print self.getbyt_avail()
if self.posix:
# for posix, keep possing input until have a full, valid escape code.
while self.is_escape_code(c)<0:
n = self.getbyt()
if n is None:
break
c = c+n
if self.is_escape_code(c)<1:
self.ungetbyt(c[1:])
c = c[0]
else:
# for windows, get another byte if an extended symbol, then map.
if c=='\xE0' or c=='\x00':
n = self.getbyt()
if n is not None:
c = c+n
# mapping from windows-dosbox inputs to posix-terminal inputs
if c in self._winmap:
c = self._winmap[c]
return c
def win_getpass(prompt='Password: ', stream=None):
"""Prompt for password with echo off, using Windows getch()."""
if sys.stdin is not sys.__stdin__:
return fallback_getpass(prompt, stream)
import msvcrt
for c in prompt:
msvcrt.putch(c)
pw = ""
while 1:
c = msvcrt.getch()
if c == '\r' or c == '\n':
break
if c == '\003':
raise KeyboardInterrupt
if c == '\b':
pw = pw[:-1]
else:
pw = pw + c
msvcrt.putch('\r')
msvcrt.putch('\n')
return pw
def win_getpass(prompt='Password: ', stream=None):
"""Prompt for password with echo off, using Windows getch()."""
if sys.stdin is not sys.__stdin__:
return fallback_getpass(prompt, stream)
import msvcrt
for c in prompt:
msvcrt.putch(c)
pw = ""
while 1:
c = msvcrt.getch()
if c == '\r' or c == '\n':
break
if c == '\003':
raise KeyboardInterrupt
if c == '\b':
pw = pw[:-1]
else:
pw = pw + c
msvcrt.putch('\r')
msvcrt.putch('\n')
return pw
def getpass(self, prompt='Password : ', stream=None):
"""Prompt for password with echo off, using Unix getch()."""
password = ""
sys.stdout.write(prompt)
while True:
c = _win_getch() if os.name == 'nt' else self._unix_getch()
if c == '\r' or c == '\n':
break
if c == '\003':
raise KeyboardInterrupt
if c == '\b':
c = ''
password += c
sys.stdout.write("*")
return password
def win_getpass(prompt='Password: ', stream=None):
"""Prompt for password with echo off, using Windows getch()."""
if sys.stdin is not sys.__stdin__:
return fallback_getpass(prompt, stream)
import msvcrt
for c in prompt:
msvcrt.putch(c)
pw = ""
while 1:
c = msvcrt.getch()
if c == '\r' or c == '\n':
break
if c == '\003':
raise KeyboardInterrupt
if c == '\b':
pw = pw[:-1]
else:
pw = pw + c
msvcrt.putch('\r')
msvcrt.putch('\n')
return pw
def getarrow(self):
''' Returns an arrow-key code after kbhit() has been called. Codes are
0 : up
1 : right
2 : down
3 : left
Should not be called in the same program as getch().
'''
if os.name == 'nt':
msvcrt.getch() # skip 0xE0
c = msvcrt.getch()
vals = [72, 77, 80, 75]
else:
c = sys.stdin.read(3)[2]
vals = [65, 67, 66, 68]
return vals.index(ord(c.decode('utf-8')))
def send_a_comend(self):
data = ""
while True:
os.system("cls")
print("")
commend = raw_input("Enter a commend: ")
self.client_socket.send(commend)
print("please wait...")
time.sleep(1)
if commend == "screenshot":
self.receive_screenshot(data)
else:
self.receive_commend(data)
print("\npress any button to continue\n")
key = getch()
def _WaitForFinish(ob, timeout):
end = time.time() + timeout
while 1:
if msvcrt.kbhit():
msvcrt.getch()
break
pythoncom.PumpWaitingMessages()
stopEvent.wait(.2)
if stopEvent.isSet():
stopEvent.clear()
break
try:
if not ob.Visible:
# Gone invisible - we need to pretend we timed
# out, so the app is quit.
return 0
except pythoncom.com_error:
# Excel is busy (eg, editing the cell) - ignore
pass
if time.time() > end:
return 0
return 1
def win_getpass(prompt='Password: ', stream=None):
"""Prompt for password with echo off, using Windows getch()."""
if sys.stdin is not sys.__stdin__:
return fallback_getpass(prompt, stream)
import msvcrt
for c in prompt:
msvcrt.putch(c)
pw = ""
while 1:
c = msvcrt.getch()
if c == '\r' or c == '\n':
break
if c == '\003':
raise KeyboardInterrupt
if c == '\b':
pw = pw[:-1]
else:
pw = pw + c
msvcrt.putch('\r')
msvcrt.putch('\n')
return pw
def wait_at_exit():
"""\
Wait at exit, but only if console window was opened separately.
"""
if not is_separate_console_window():
return
import atexit
import msvcrt
def wait_at_end():
"""Print a message and wait for a key"""
sys.stderr.flush()
sys.stdout.write('\n[Press any key]\n')
sys.stdout.flush()
msvcrt.getch()
atexit.register(wait_at_end)
def wait_on_error():
"""\
Wait on exception, but only if console window was opened separately.
"""
if not is_separate_console_window():
return
import msvcrt
import traceback
def handle_exception(exctype, value, tb): # pylint: disable=invalid-name
"""Print an exception and wait for a key"""
traceback.print_exception(exctype, value, tb)
sys.stderr.flush()
sys.stdout.write('\n[Press any key]\n')
sys.stdout.flush()
msvcrt.getch()
sys.excepthook = handle_exception
def _WaitForFinish(ob, timeout):
end = time.time() + timeout
while 1:
if msvcrt.kbhit():
msvcrt.getch()
break
pythoncom.PumpWaitingMessages()
stopEvent.wait(.2)
if stopEvent.isSet():
stopEvent.clear()
break
try:
if not ob.Visible:
# Gone invisible - we need to pretend we timed
# out, so the app is quit.
return 0
except pythoncom.com_error:
# Excel is busy (eg, editing the cell) - ignore
pass
if time.time() > end:
return 0
return 1
def getarrow(self):
''' Returns an arrow-key code after kbhit() has been called. Codes are
0 : up
1 : right
2 : down
3 : left
Should not be called in the same program as getch().
'''
if os.name == 'nt':
msvcrt.getch() # skip 0xE0
c = msvcrt.getch()
vals = [72, 77, 80, 75]
else:
c = sys.stdin.read(3)[2]
vals = [65, 67, 66, 68]
return vals.index(ord(c.decode('utf-8')))
def getarrow(self):
''' Returns an arrow-key code after kbhit() has been called. Codes are
0 : up
1 : right
2 : down
3 : left
Should not be called in the same program as getch().
'''
if os.name == 'nt':
msvcrt.getch() # skip 0xE0
c = msvcrt.getch()
vals = [72, 77, 80, 75]
else:
c = sys.stdin.read(3)[2]
vals = [65, 67, 66, 68]
return vals.index(ord(c.decode('utf-8')))
def get_pager_start(pager, start):
"""Return the string for paging files with an offset.
This is the '+N' argument which less and more (under Unix) accept.
"""
if pager in ['less','more']:
if start:
start_string = '+' + str(start)
else:
start_string = ''
else:
start_string = ''
return start_string
# (X)emacs on win32 doesn't like to be bypassed with msvcrt.getch()
def win_getpass(prompt='Password: ', stream=None):
"""Prompt for password with echo off, using Windows getch()."""
if sys.stdin is not sys.__stdin__:
return fallback_getpass(prompt, stream)
import msvcrt
for c in prompt:
msvcrt.putch(c)
pw = ""
while 1:
c = msvcrt.getch()
if c == '\r' or c == '\n':
break
if c == '\003':
raise KeyboardInterrupt
if c == '\b':
pw = pw[:-1]
else:
pw = pw + c
msvcrt.putch('\r')
msvcrt.putch('\n')
return pw
def win_getpass(prompt='Password: ', stream=None):
"""Prompt for password with echo off, using Windows getch()."""
if sys.stdin is not sys.__stdin__:
return fallback_getpass(prompt, stream)
import msvcrt
for c in prompt:
msvcrt.putch(c)
pw = ""
while 1:
c = msvcrt.getch()
if c == '\r' or c == '\n':
break
if c == '\003':
raise KeyboardInterrupt
if c == '\b':
pw = pw[:-1]
else:
pw = pw + c
msvcrt.putch('\r')
msvcrt.putch('\n')
return pw
def _find_getch():
try:
import termios
except ImportError:
import msvcrt
return msvcrt.getch
import sys, tty
def _getch():
fd = sys.stdin.fileno()
old_settings = termios.tcgetattr(fd)
try:
tty.setraw(fd)
ch = sys.stdin.read(1)
finally:
termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)
return ch
return _getch
# read single character without waiting for '\n'
def getpass_getpass(prompt='Password:', stream=None):
try:
import msvcrt
except ImportError:
return _realgetpass(prompt, stream)
password = ''
sys.stdout.write(prompt)
while True:
ch = msvcrt.getch()
if ch == '\b':
if password:
password = password[:-1]
sys.stdout.write('\b \b')
else:
continue
elif ch == '\r':
sys.stdout.write(os.linesep)
return password
else:
password += ch
sys.stdout.write('*')
