C///

\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// """Utilities to get a password and/or the current user name. getpass(prompt[, stream]) - Prompt for a password, with echo turned off. getuser() - Get the user name from the environment or password database. GetPassWarning - This UserWarning is issued when getpass() cannot prevent echoing of the password contents while reading. On Windows, the msvcrt module will be used. """ # Authors: Piers Lauder (original) # Guido van Rossum (Windows support and cleanup) # Gregory P. Smith (tty support & GetPassWarning) import contextlib import io import os import sys import warnings __all__ = ["getpass","getuser","GetPassWarning"] class GetPassWarning(UserWarning): pass 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. """ passwd = None with contextlib.ExitStack() as stack: try: # Always try reading and writing directly on the tty first. fd = os.open('/dev/tty', os.O_RDWR|os.O_NOCTTY) tty = io.FileIO(fd, 'w+') stack.enter_context(tty) input = io.TextIOWrapper(tty) stack.enter_context(input) if not stream: stream = input except OSError: # If that fails, see if stdin can be controlled. stack.close() try: fd = sys.stdin.fileno() except (AttributeError, ValueError): fd = None passwd = fallback_getpass(prompt, stream) input = sys.stdin if not stream: stream = sys.stderr if fd is not 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: 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. if stream is not input: # clean up unused file objects before blocking stack.close() passwd = fallback_getpass(prompt, stream) stream.write('\n') return passwd def win_getpass(prompt='Password: ', stream=None): """Prompt for password with echo off, using Windows getwch().""" if sys.stdin is not sys.__stdin__: return fallback_getpass(prompt, stream) for c in prompt: msvcrt.putwch(c) pw = "" while 1: c = msvcrt.getwch() if c == '\r' or c == '\n': break if c == '\003': raise KeyboardInterrupt if c == '\b': pw = pw[:-1] else: pw = pw + c msvcrt.putwch('\r') msvcrt.putwch('\n') return pw def fallback_getpass(prompt='Password: ', stream=None): warnings.warn("Can not control echo on the terminal.", GetPassWarning, stacklevel=2) if not stream: stream = sys.stderr print("Warning: Password input may be echoed.",