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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 17:35:20 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 17:35:20 +0000 |
commit | e106bf94eff07d9a59771d9ccc4406421e18ab64 (patch) | |
tree | edb6545500e39df9c67aa918a6125bffc8ec1aee /examples/prompts/input-validation.py | |
parent | Initial commit. (diff) | |
download | prompt-toolkit-upstream.tar.xz prompt-toolkit-upstream.zip |
Adding upstream version 3.0.36.upstream/3.0.36upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'examples/prompts/input-validation.py')
-rwxr-xr-x | examples/prompts/input-validation.py | 35 |
1 files changed, 35 insertions, 0 deletions
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() |