Adding upstream version 3.0.43.upstream/3.0.43upstream

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

1 files changed, 28 insertions, 0 deletions

diff --git a/examples/prompts/get-password-with-toggle-display-shortcut.py b/examples/prompts/get-password-with-toggle-display-shortcut.py
new file mode 100755
index 0000000..b89cb41
--- /dev/null
+++ b/examples/prompts/get-password-with-toggle-display-shortcut.py
@@ -0,0 +1,28 @@
+#!/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()