1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
#!/usr/bin/env python
"""
Simple example of a CLI that keeps a persistent history of all the entered
strings in a file. When you run this script for a second time, pressing
arrow-up will go back in history.
"""
from prompt_toolkit import PromptSession
from prompt_toolkit.history import FileHistory
def main():
our_history = FileHistory(".example-history-file")
# The history needs to be passed to the `PromptSession`. It can't be passed
# to the `prompt` call because only one history can be used during a
# session.
session = PromptSession(history=our_history)
while True:
text = session.prompt("Say something: ")
print(f"You said: {text}")
if __name__ == "__main__":
main()
|
