From 4f1a3b5f9ad05aa7b08715d48909a2b06ee2fcb1 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 15 Apr 2024 18:35:31 +0200 Subject: Adding upstream version 3.0.43. Signed-off-by: Daniel Baumann --- examples/prompts/input-validation.py | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100755 examples/prompts/input-validation.py (limited to 'examples/prompts/input-validation.py') diff --git a/examples/prompts/input-validation.py b/examples/prompts/input-validation.py new file mode 100755 index 0000000..d8bd3ee --- /dev/null +++ b/examples/prompts/input-validation.py @@ -0,0 +1,35 @@ +#!/usr/bin/env python +""" +Simple example of input validation. +""" +from prompt_toolkit import prompt +from prompt_toolkit.validation import Validator + + +def is_valid_email(text): + return "@" in text + + +validator = Validator.from_callable( + is_valid_email, + error_message="Not a valid e-mail address (Does not contain an @).", + move_cursor_to_end=True, +) + + +def main(): + # Validate when pressing ENTER. + text = prompt( + "Enter e-mail address: ", validator=validator, validate_while_typing=False + ) + print("You said: %s" % text) + + # While typing + text = prompt( + "Enter e-mail address: ", validator=validator, validate_while_typing=True + ) + print("You said: %s" % text) + + +if __name__ == "__main__": + main() -- cgit v1.2.3