Adding upstream version 3.0.43.upstream/3.0.43upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 25 insertions, 0 deletions

diff --git a/examples/prompts/history/persistent-history.py b/examples/prompts/history/persistent-history.py
new file mode 100755
index 0000000..2bdb758
--- /dev/null
+++ b/examples/prompts/history/persistent-history.py
@@ -0,0 +1,25 @@
+#!/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("You said: %s" % text)
+
+
+if __name__ == "__main__":
+    main()