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#!/usr/bin/env python
"""
An example that demonstrates how `patch_stdout` works.
This makes sure that output from other threads doesn't disturb the rendering of
the prompt, but instead is printed nicely above the prompt.
"""
import threading
import time
from prompt_toolkit import prompt
from prompt_toolkit.patch_stdout import patch_stdout
def main():
# Print a counter every second in another thread.
running = True
def thread():
i = 0
while running:
i += 1
print(f"i={i}")
time.sleep(1)
t = threading.Thread(target=thread)
t.daemon = True
t.start()
# Now read the input. The print statements of the other thread
# should not disturb anything.
with patch_stdout():
result = prompt("Say something: ")
print(f"You said: {result}")
# Stop thread.
running = False
if __name__ == "__main__":
main()
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