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#!/usr/bin/env python
"""
get_password function that displays asterisks instead of the actual characters.
With the addition of a ControlT shortcut to hide/show the input.
"""
from prompt_toolkit import prompt
from prompt_toolkit.filters import Condition
from prompt_toolkit.key_binding import KeyBindings
def main():
hidden = [True] # Nonlocal
bindings = KeyBindings()
@bindings.add("c-t")
def _(event):
"When ControlT has been pressed, toggle visibility."
hidden[0] = not hidden[0]
print("Type Control-T to toggle password visible.")
password = prompt(
"Password: ", is_password=Condition(lambda: hidden[0]), key_bindings=bindings
)
print("You said: %s" % password)
if __name__ == "__main__":
main()
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