Python:控制台输入密码passwod的方法
print(input("please input: "))
$ python3 demo.py
please input: 123456
123456
缺点:不安全
import getpass
print(getpass.getpass("please input: "))
$ python3 demo.py
please input:
123456
缺点:看不到输入的位数
import sys, tty, termios
def getch():
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
def getpass(maskchar = "*"):
password = ""
while True:
ch = getch()
if ch == "\r" or ch == "\n":
print
return password
elif ch == "\b" or ord(ch) == 127:
if len(password) > 0:
sys.stdout.write("\b \b")
password = password[:-1]
else:
if maskchar != None:
sys.stdout.write(maskchar)
password += ch
if __name__ == "__main__":
print ("Enter your password:",)
password = getpass("*")
print ("your password is %s" %password)
$ python3 demo.py
Enter your password:
******
your password is 123456
缺点:该方法仅在Linux上使用
import msvcrt,sys
def pwd_input():
chars = []
while True:
try:
newChar = msvcrt.getch().decode(encoding="utf-8")
except:
return input("你很可能不是在cmd命令行下运行,密码输入将不能隐藏:")
if newChar in '\r\n': # 如果是换行,则输入结束
break
elif newChar == '\b': # 如果是退格,则删除密码末尾一位并且删除一个星号
if chars:
del chars[-1]
msvcrt.putch('\b'.encode(encoding='utf-8')) # 光标回退一格
msvcrt.putch( ' '.encode(encoding='utf-8')) # 输出一个空格覆盖原来的星号
msvcrt.putch('\b'.encode(encoding='utf-8')) # 光标回退一格准备接受新的输入
else:
chars.append(newChar)
msvcrt.putch('*'.encode(encoding='utf-8')) # 显示为星号
return (''.join(chars) )
if __name__ == "__main__":
print("Please input your password:")
pwd = pwd_input()
print("\nyour password is:{0}".format(pwd))
sys.exit()
缺点:仅在Windows上使用