def unix_getpass(prompt='Password: ', stream=None):
"""Prompt for a password, with echo turned off.
Args:
prompt: Written on stream to ask for the input. Default: 'Password: '
stream: A writable file object to display the prompt. Defaults to
the tty. If no tty is available defaults to sys.stderr.
Returns:
The seKr3t input.
Raises:
EOFError: If our input tty or stdin was closed.
GetPassWarning: When we were unable to turn echo off on the input.
Always restores terminal settings before returning.
"""
fd = None
tty = None
try:
# Always try reading and writing directly on the tty first.
fd = os.open('/dev/tty', os.O_RDWR|os.O_NOCTTY)
tty = os.fdopen(fd, 'w+', 1)
input = tty
if not stream:
stream = tty
except EnvironmentError, e:
# If that fails, see if stdin can be controlled.
try:
fd = sys.stdin.fileno()
except (AttributeError, ValueError):
passwd = fallback_getpass(prompt, stream)
input = sys.stdin
if not stream:
stream = sys.stderr
if fd is not None:
passwd = None
try:
old = termios.tcgetattr(fd) # a copy to save
new = old[:]
new[3] &= ~termios.ECHO # 3 == 'lflags'
tcsetattr_flags = termios.TCSAFLUSH
if hasattr(termios, 'TCSASOFT'):
tcsetattr_flags |= termios.TCSASOFT
try:
termios.tcsetattr(fd, tcsetattr_flags, new)
passwd = _raw_input(prompt, stream, input=input)
finally:
termios.tcsetattr(fd, tcsetattr_flags, old)
stream.flush() # issue7208
except termios.error, e:
if passwd is not None:
# _raw_input succeeded. The final tcsetattr failed. Reraise
# instead of leaving the terminal in an unknown state.
raise
# We can't control the tty or stdin. Give up and use normal IO.
# fallback_getpass() raises an appropriate warning.
del input, tty # clean up unused file objects before blocking
passwd = fallback_getpass(prompt, stream)
stream.write('\n')
return passwd
python类TCSASOFT的实例源码
def unix_getpass(prompt='Password: ', stream=None):
"""Prompt for a password, with echo turned off.
Args:
prompt: Written on stream to ask for the input. Default: 'Password: '
stream: A writable file object to display the prompt. Defaults to
the tty. If no tty is available defaults to sys.stderr.
Returns:
The seKr3t input.
Raises:
EOFError: If our input tty or stdin was closed.
GetPassWarning: When we were unable to turn echo off on the input.
Always restores terminal settings before returning.
"""
fd = None
tty = None
try:
# Always try reading and writing directly on the tty first.
fd = os.open('/dev/tty', os.O_RDWR|os.O_NOCTTY)
tty = os.fdopen(fd, 'w+', 1)
input = tty
if not stream:
stream = tty
except EnvironmentError, e:
# If that fails, see if stdin can be controlled.
try:
fd = sys.stdin.fileno()
except (AttributeError, ValueError):
passwd = fallback_getpass(prompt, stream)
input = sys.stdin
if not stream:
stream = sys.stderr
if fd is not None:
passwd = None
try:
old = termios.tcgetattr(fd) # a copy to save
new = old[:]
new[3] &= ~termios.ECHO # 3 == 'lflags'
tcsetattr_flags = termios.TCSAFLUSH
if hasattr(termios, 'TCSASOFT'):
tcsetattr_flags |= termios.TCSASOFT
try:
termios.tcsetattr(fd, tcsetattr_flags, new)
passwd = _raw_input(prompt, stream, input=input)
finally:
termios.tcsetattr(fd, tcsetattr_flags, old)
stream.flush() # issue7208
except termios.error, e:
if passwd is not None:
# _raw_input succeeded. The final tcsetattr failed. Reraise
# instead of leaving the terminal in an unknown state.
raise
# We can't control the tty or stdin. Give up and use normal IO.
# fallback_getpass() raises an appropriate warning.
del input, tty # clean up unused file objects before blocking
passwd = fallback_getpass(prompt, stream)
stream.write('\n')
return passwd
def unix_getpass(prompt='Password: ', stream=None):
"""Prompt for a password, with echo turned off.
Args:
prompt: Written on stream to ask for the input. Default: 'Password: '
stream: A writable file object to display the prompt. Defaults to
the tty. If no tty is available defaults to sys.stderr.
Returns:
The seKr3t input.
Raises:
EOFError: If our input tty or stdin was closed.
GetPassWarning: When we were unable to turn echo off on the input.
Always restores terminal settings before returning.
"""
fd = None
tty = None
try:
# Always try reading and writing directly on the tty first.
fd = os.open('/dev/tty', os.O_RDWR|os.O_NOCTTY)
tty = os.fdopen(fd, 'w+', 1)
input = tty
if not stream:
stream = tty
except EnvironmentError, e:
# If that fails, see if stdin can be controlled.
try:
fd = sys.stdin.fileno()
except (AttributeError, ValueError):
passwd = fallback_getpass(prompt, stream)
input = sys.stdin
if not stream:
stream = sys.stderr
if fd is not None:
passwd = None
try:
old = termios.tcgetattr(fd) # a copy to save
new = old[:]
new[3] &= ~termios.ECHO # 3 == 'lflags'
tcsetattr_flags = termios.TCSAFLUSH
if hasattr(termios, 'TCSASOFT'):
tcsetattr_flags |= termios.TCSASOFT
try:
termios.tcsetattr(fd, tcsetattr_flags, new)
passwd = _raw_input(prompt, stream, input=input)
finally:
termios.tcsetattr(fd, tcsetattr_flags, old)
stream.flush() # issue7208
except termios.error, e:
if passwd is not None:
# _raw_input succeeded. The final tcsetattr failed. Reraise
# instead of leaving the terminal in an unknown state.
raise
# We can't control the tty or stdin. Give up and use normal IO.
# fallback_getpass() raises an appropriate warning.
del input, tty # clean up unused file objects before blocking
passwd = fallback_getpass(prompt, stream)
stream.write('\n')
return passwd
def unix_getpass(prompt='Password: ', stream=None):
"""Prompt for a password, with echo turned off.
Args:
prompt: Written on stream to ask for the input. Default: 'Password: '
stream: A writable file object to display the prompt. Defaults to
the tty. If no tty is available defaults to sys.stderr.
Returns:
The seKr3t input.
Raises:
EOFError: If our input tty or stdin was closed.
GetPassWarning: When we were unable to turn echo off on the input.
Always restores terminal settings before returning.
"""
fd = None
tty = None
try:
# Always try reading and writing directly on the tty first.
fd = os.open('/dev/tty', os.O_RDWR|os.O_NOCTTY)
tty = os.fdopen(fd, 'w+', 1)
input = tty
if not stream:
stream = tty
except EnvironmentError, e:
# If that fails, see if stdin can be controlled.
try:
fd = sys.stdin.fileno()
except (AttributeError, ValueError):
passwd = fallback_getpass(prompt, stream)
input = sys.stdin
if not stream:
stream = sys.stderr
if fd is not None:
passwd = None
try:
old = termios.tcgetattr(fd) # a copy to save
new = old[:]
new[3] &= ~termios.ECHO # 3 == 'lflags'
tcsetattr_flags = termios.TCSAFLUSH
if hasattr(termios, 'TCSASOFT'):
tcsetattr_flags |= termios.TCSASOFT
try:
termios.tcsetattr(fd, tcsetattr_flags, new)
passwd = _raw_input(prompt, stream, input=input)
finally:
termios.tcsetattr(fd, tcsetattr_flags, old)
stream.flush() # issue7208
except termios.error, e:
if passwd is not None:
# _raw_input succeeded. The final tcsetattr failed. Reraise
# instead of leaving the terminal in an unknown state.
raise
# We can't control the tty or stdin. Give up and use normal IO.
# fallback_getpass() raises an appropriate warning.
del input, tty # clean up unused file objects before blocking
passwd = fallback_getpass(prompt, stream)
stream.write('\n')
return passwd
def unix_getpass(prompt='Password: ', stream=None):
"""Prompt for a password, with echo turned off.
Args:
prompt: Written on stream to ask for the input. Default: 'Password: '
stream: A writable file object to display the prompt. Defaults to
the tty. If no tty is available defaults to sys.stderr.
Returns:
The seKr3t input.
Raises:
EOFError: If our input tty or stdin was closed.
GetPassWarning: When we were unable to turn echo off on the input.
Always restores terminal settings before returning.
"""
fd = None
tty = None
try:
# Always try reading and writing directly on the tty first.
fd = os.open('/dev/tty', os.O_RDWR|os.O_NOCTTY)
tty = os.fdopen(fd, 'w+', 1)
input = tty
if not stream:
stream = tty
except EnvironmentError as e:
# If that fails, see if stdin can be controlled.
try:
fd = sys.stdin.fileno()
except (AttributeError, ValueError):
passwd = fallback_getpass(prompt, stream)
input = sys.stdin
if not stream:
stream = sys.stderr
if fd is not None:
passwd = None
try:
old = termios.tcgetattr(fd) # a copy to save
new = old[:]
new[3] &= ~termios.ECHO # 3 == 'lflags'
tcsetattr_flags = termios.TCSAFLUSH
if hasattr(termios, 'TCSASOFT'):
tcsetattr_flags |= termios.TCSASOFT
try:
termios.tcsetattr(fd, tcsetattr_flags, new)
passwd = _raw_input(prompt, stream, input=input)
finally:
termios.tcsetattr(fd, tcsetattr_flags, old)
stream.flush() # issue7208
except termios.error as e:
if passwd is not None:
# _raw_input succeeded. The final tcsetattr failed. Reraise
# instead of leaving the terminal in an unknown state.
raise
# We can't control the tty or stdin. Give up and use normal IO.
# fallback_getpass() raises an appropriate warning.
del input, tty # clean up unused file objects before blocking
passwd = fallback_getpass(prompt, stream)
stream.write('\n')
return passwd
def unix_getpass(prompt='Password: ', stream=None):
"""Prompt for a password, with echo turned off.
Args:
prompt: Written on stream to ask for the input. Default: 'Password: '
stream: A writable file object to display the prompt. Defaults to
the tty. If no tty is available defaults to sys.stderr.
Returns:
The seKr3t input.
Raises:
EOFError: If our input tty or stdin was closed.
GetPassWarning: When we were unable to turn echo off on the input.
Always restores terminal settings before returning.
"""
fd = None
tty = None
try:
# Always try reading and writing directly on the tty first.
fd = os.open('/dev/tty', os.O_RDWR|os.O_NOCTTY)
tty = os.fdopen(fd, 'w+', 1)
input = tty
if not stream:
stream = tty
except EnvironmentError, e:
# If that fails, see if stdin can be controlled.
try:
fd = sys.stdin.fileno()
except (AttributeError, ValueError):
passwd = fallback_getpass(prompt, stream)
input = sys.stdin
if not stream:
stream = sys.stderr
if fd is not None:
passwd = None
try:
old = termios.tcgetattr(fd) # a copy to save
new = old[:]
new[3] &= ~termios.ECHO # 3 == 'lflags'
tcsetattr_flags = termios.TCSAFLUSH
if hasattr(termios, 'TCSASOFT'):
tcsetattr_flags |= termios.TCSASOFT
try:
termios.tcsetattr(fd, tcsetattr_flags, new)
passwd = _raw_input(prompt, stream, input=input)
finally:
termios.tcsetattr(fd, tcsetattr_flags, old)
stream.flush() # issue7208
except termios.error, e:
if passwd is not None:
# _raw_input succeeded. The final tcsetattr failed. Reraise
# instead of leaving the terminal in an unknown state.
raise
# We can't control the tty or stdin. Give up and use normal IO.
# fallback_getpass() raises an appropriate warning.
del input, tty # clean up unused file objects before blocking
passwd = fallback_getpass(prompt, stream)
stream.write('\n')
return passwd
def unix_getpass(prompt='Password: ', stream=None):
"""Prompt for a password, with echo turned off.
Args:
prompt: Written on stream to ask for the input. Default: 'Password: '
stream: A writable file object to display the prompt. Defaults to
the tty. If no tty is available defaults to sys.stderr.
Returns:
The seKr3t input.
Raises:
EOFError: If our input tty or stdin was closed.
GetPassWarning: When we were unable to turn echo off on the input.
Always restores terminal settings before returning.
"""
fd = None
tty = None
try:
# Always try reading and writing directly on the tty first.
fd = os.open('/dev/tty', os.O_RDWR|os.O_NOCTTY)
tty = os.fdopen(fd, 'w+', 1)
input = tty
if not stream:
stream = tty
except EnvironmentError, e:
# If that fails, see if stdin can be controlled.
try:
fd = sys.stdin.fileno()
except (AttributeError, ValueError):
passwd = fallback_getpass(prompt, stream)
input = sys.stdin
if not stream:
stream = sys.stderr
if fd is not None:
passwd = None
try:
old = termios.tcgetattr(fd) # a copy to save
new = old[:]
new[3] &= ~termios.ECHO # 3 == 'lflags'
tcsetattr_flags = termios.TCSAFLUSH
if hasattr(termios, 'TCSASOFT'):
tcsetattr_flags |= termios.TCSASOFT
try:
termios.tcsetattr(fd, tcsetattr_flags, new)
passwd = _raw_input(prompt, stream, input=input)
finally:
termios.tcsetattr(fd, tcsetattr_flags, old)
stream.flush() # issue7208
except termios.error, e:
if passwd is not None:
# _raw_input succeeded. The final tcsetattr failed. Reraise
# instead of leaving the terminal in an unknown state.
raise
# We can't control the tty or stdin. Give up and use normal IO.
# fallback_getpass() raises an appropriate warning.
del input, tty # clean up unused file objects before blocking
passwd = fallback_getpass(prompt, stream)
stream.write('\n')
return passwd
def unix_getpass(prompt='Password: ', stream=None):
"""Prompt for a password, with echo turned off.
Args:
prompt: Written on stream to ask for the input. Default: 'Password: '
stream: A writable file object to display the prompt. Defaults to
the tty. If no tty is available defaults to sys.stderr.
Returns:
The seKr3t input.
Raises:
EOFError: If our input tty or stdin was closed.
GetPassWarning: When we were unable to turn echo off on the input.
Always restores terminal settings before returning.
"""
fd = None
tty = None
try:
# Always try reading and writing directly on the tty first.
fd = os.open('/dev/tty', os.O_RDWR|os.O_NOCTTY)
tty = os.fdopen(fd, 'w+', 1)
input = tty
if not stream:
stream = tty
except EnvironmentError, e:
# If that fails, see if stdin can be controlled.
try:
fd = sys.stdin.fileno()
except (AttributeError, ValueError):
passwd = fallback_getpass(prompt, stream)
input = sys.stdin
if not stream:
stream = sys.stderr
if fd is not None:
passwd = None
try:
old = termios.tcgetattr(fd) # a copy to save
new = old[:]
new[3] &= ~termios.ECHO # 3 == 'lflags'
tcsetattr_flags = termios.TCSAFLUSH
if hasattr(termios, 'TCSASOFT'):
tcsetattr_flags |= termios.TCSASOFT
try:
termios.tcsetattr(fd, tcsetattr_flags, new)
passwd = _raw_input(prompt, stream, input=input)
finally:
termios.tcsetattr(fd, tcsetattr_flags, old)
stream.flush() # issue7208
except termios.error, e:
if passwd is not None:
# _raw_input succeeded. The final tcsetattr failed. Reraise
# instead of leaving the terminal in an unknown state.
raise
# We can't control the tty or stdin. Give up and use normal IO.
# fallback_getpass() raises an appropriate warning.
del input, tty # clean up unused file objects before blocking
passwd = fallback_getpass(prompt, stream)
stream.write('\n')
return passwd
def unix_getpass(prompt='Password: ', stream=None):
"""Prompt for a password, with echo turned off.
Args:
prompt: Written on stream to ask for the input. Default: 'Password: '
stream: A writable file object to display the prompt. Defaults to
the tty. If no tty is available defaults to sys.stderr.
Returns:
The seKr3t input.
Raises:
EOFError: If our input tty or stdin was closed.
GetPassWarning: When we were unable to turn echo off on the input.
Always restores terminal settings before returning.
"""
fd = None
tty = None
try:
# Always try reading and writing directly on the tty first.
fd = os.open('/dev/tty', os.O_RDWR|os.O_NOCTTY)
tty = os.fdopen(fd, 'w+', 1)
input = tty
if not stream:
stream = tty
except EnvironmentError, e:
# If that fails, see if stdin can be controlled.
try:
fd = sys.stdin.fileno()
except (AttributeError, ValueError):
passwd = fallback_getpass(prompt, stream)
input = sys.stdin
if not stream:
stream = sys.stderr
if fd is not None:
passwd = None
try:
old = termios.tcgetattr(fd) # a copy to save
new = old[:]
new[3] &= ~termios.ECHO # 3 == 'lflags'
tcsetattr_flags = termios.TCSAFLUSH
if hasattr(termios, 'TCSASOFT'):
tcsetattr_flags |= termios.TCSASOFT
try:
termios.tcsetattr(fd, tcsetattr_flags, new)
passwd = _raw_input(prompt, stream, input=input)
finally:
termios.tcsetattr(fd, tcsetattr_flags, old)
stream.flush() # issue7208
except termios.error, e:
if passwd is not None:
# _raw_input succeeded. The final tcsetattr failed. Reraise
# instead of leaving the terminal in an unknown state.
raise
# We can't control the tty or stdin. Give up and use normal IO.
# fallback_getpass() raises an appropriate warning.
del input, tty # clean up unused file objects before blocking
passwd = fallback_getpass(prompt, stream)
stream.write('\n')
return passwd
def unix_getpass(prompt='Password: ', stream=None):
"""Prompt for a password, with echo turned off.
Args:
prompt: Written on stream to ask for the input. Default: 'Password: '
stream: A writable file object to display the prompt. Defaults to
the tty. If no tty is available defaults to sys.stderr.
Returns:
The seKr3t input.
Raises:
EOFError: If our input tty or stdin was closed.
GetPassWarning: When we were unable to turn echo off on the input.
Always restores terminal settings before returning.
"""
fd = None
tty = None
try:
# Always try reading and writing directly on the tty first.
fd = os.open('/dev/tty', os.O_RDWR|os.O_NOCTTY)
tty = os.fdopen(fd, 'w+', 1)
input = tty
if not stream:
stream = tty
except EnvironmentError, e:
# If that fails, see if stdin can be controlled.
try:
fd = sys.stdin.fileno()
except (AttributeError, ValueError):
passwd = fallback_getpass(prompt, stream)
input = sys.stdin
if not stream:
stream = sys.stderr
if fd is not None:
passwd = None
try:
old = termios.tcgetattr(fd) # a copy to save
new = old[:]
new[3] &= ~termios.ECHO # 3 == 'lflags'
tcsetattr_flags = termios.TCSAFLUSH
if hasattr(termios, 'TCSASOFT'):
tcsetattr_flags |= termios.TCSASOFT
try:
termios.tcsetattr(fd, tcsetattr_flags, new)
passwd = _raw_input(prompt, stream, input=input)
finally:
termios.tcsetattr(fd, tcsetattr_flags, old)
stream.flush() # issue7208
except termios.error, e:
if passwd is not None:
# _raw_input succeeded. The final tcsetattr failed. Reraise
# instead of leaving the terminal in an unknown state.
raise
# We can't control the tty or stdin. Give up and use normal IO.
# fallback_getpass() raises an appropriate warning.
del input, tty # clean up unused file objects before blocking
passwd = fallback_getpass(prompt, stream)
stream.write('\n')
return passwd
def unix_getpass(prompt='Password: ', stream=None):
"""Prompt for a password, with echo turned off.
Args:
prompt: Written on stream to ask for the input. Default: 'Password: '
stream: A writable file object to display the prompt. Defaults to
the tty. If no tty is available defaults to sys.stderr.
Returns:
The seKr3t input.
Raises:
EOFError: If our input tty or stdin was closed.
GetPassWarning: When we were unable to turn echo off on the input.
Always restores terminal settings before returning.
"""
fd = None
tty = None
try:
# Always try reading and writing directly on the tty first.
fd = os.open('/dev/tty', os.O_RDWR|os.O_NOCTTY)
tty = os.fdopen(fd, 'w+', 1)
input = tty
if not stream:
stream = tty
except EnvironmentError, e:
# If that fails, see if stdin can be controlled.
try:
fd = sys.stdin.fileno()
except (AttributeError, ValueError):
passwd = fallback_getpass(prompt, stream)
input = sys.stdin
if not stream:
stream = sys.stderr
if fd is not None:
passwd = None
try:
old = termios.tcgetattr(fd) # a copy to save
new = old[:]
new[3] &= ~termios.ECHO # 3 == 'lflags'
tcsetattr_flags = termios.TCSAFLUSH
if hasattr(termios, 'TCSASOFT'):
tcsetattr_flags |= termios.TCSASOFT
try:
termios.tcsetattr(fd, tcsetattr_flags, new)
passwd = _raw_input(prompt, stream, input=input)
finally:
termios.tcsetattr(fd, tcsetattr_flags, old)
stream.flush() # issue7208
except termios.error, e:
if passwd is not None:
# _raw_input succeeded. The final tcsetattr failed. Reraise
# instead of leaving the terminal in an unknown state.
raise
# We can't control the tty or stdin. Give up and use normal IO.
# fallback_getpass() raises an appropriate warning.
del input, tty # clean up unused file objects before blocking
passwd = fallback_getpass(prompt, stream)
stream.write('\n')
return passwd
def unix_getpass(prompt='Password: ', stream=None):
"""Prompt for a password, with echo turned off.
Args:
prompt: Written on stream to ask for the input. Default: 'Password: '
stream: A writable file object to display the prompt. Defaults to
the tty. If no tty is available defaults to sys.stderr.
Returns:
The seKr3t input.
Raises:
EOFError: If our input tty or stdin was closed.
GetPassWarning: When we were unable to turn echo off on the input.
Always restores terminal settings before returning.
"""
fd = None
tty = None
try:
# Always try reading and writing directly on the tty first.
fd = os.open('/dev/tty', os.O_RDWR|os.O_NOCTTY)
tty = os.fdopen(fd, 'w+', 1)
input = tty
if not stream:
stream = tty
except EnvironmentError, e:
# If that fails, see if stdin can be controlled.
try:
fd = sys.stdin.fileno()
except (AttributeError, ValueError):
passwd = fallback_getpass(prompt, stream)
input = sys.stdin
if not stream:
stream = sys.stderr
if fd is not None:
passwd = None
try:
old = termios.tcgetattr(fd) # a copy to save
new = old[:]
new[3] &= ~termios.ECHO # 3 == 'lflags'
tcsetattr_flags = termios.TCSAFLUSH
if hasattr(termios, 'TCSASOFT'):
tcsetattr_flags |= termios.TCSASOFT
try:
termios.tcsetattr(fd, tcsetattr_flags, new)
passwd = _raw_input(prompt, stream, input=input)
finally:
termios.tcsetattr(fd, tcsetattr_flags, old)
stream.flush() # issue7208
except termios.error, e:
if passwd is not None:
# _raw_input succeeded. The final tcsetattr failed. Reraise
# instead of leaving the terminal in an unknown state.
raise
# We can't control the tty or stdin. Give up and use normal IO.
# fallback_getpass() raises an appropriate warning.
del input, tty # clean up unused file objects before blocking
passwd = fallback_getpass(prompt, stream)
stream.write('\n')
return passwd
def unix_getpass(prompt='Password: ', stream=None):
"""Prompt for a password, with echo turned off.
Args:
prompt: Written on stream to ask for the input. Default: 'Password: '
stream: A writable file object to display the prompt. Defaults to
the tty. If no tty is available defaults to sys.stderr.
Returns:
The seKr3t input.
Raises:
EOFError: If our input tty or stdin was closed.
GetPassWarning: When we were unable to turn echo off on the input.
Always restores terminal settings before returning.
"""
fd = None
tty = None
try:
# Always try reading and writing directly on the tty first.
fd = os.open('/dev/tty', os.O_RDWR|os.O_NOCTTY)
tty = os.fdopen(fd, 'w+', 1)
input = tty
if not stream:
stream = tty
except EnvironmentError, e:
# If that fails, see if stdin can be controlled.
try:
fd = sys.stdin.fileno()
except (AttributeError, ValueError):
passwd = fallback_getpass(prompt, stream)
input = sys.stdin
if not stream:
stream = sys.stderr
if fd is not None:
passwd = None
try:
old = termios.tcgetattr(fd) # a copy to save
new = old[:]
new[3] &= ~termios.ECHO # 3 == 'lflags'
tcsetattr_flags = termios.TCSAFLUSH
if hasattr(termios, 'TCSASOFT'):
tcsetattr_flags |= termios.TCSASOFT
try:
termios.tcsetattr(fd, tcsetattr_flags, new)
passwd = _raw_input(prompt, stream, input=input)
finally:
termios.tcsetattr(fd, tcsetattr_flags, old)
stream.flush() # issue7208
except termios.error, e:
if passwd is not None:
# _raw_input succeeded. The final tcsetattr failed. Reraise
# instead of leaving the terminal in an unknown state.
raise
# We can't control the tty or stdin. Give up and use normal IO.
# fallback_getpass() raises an appropriate warning.
del input, tty # clean up unused file objects before blocking
passwd = fallback_getpass(prompt, stream)
stream.write('\n')
return passwd
