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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/up-arrow-partial-string-matching.py | |
parent | Initial commit. (diff) | |
download | prompt-toolkit-e106bf94eff07d9a59771d9ccc4406421e18ab64.tar.xz prompt-toolkit-e106bf94eff07d9a59771d9ccc4406421e18ab64.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/up-arrow-partial-string-matching.py')
-rwxr-xr-x | examples/prompts/up-arrow-partial-string-matching.py | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/examples/prompts/up-arrow-partial-string-matching.py b/examples/prompts/up-arrow-partial-string-matching.py new file mode 100755 index 0000000..742a12e --- /dev/null +++ b/examples/prompts/up-arrow-partial-string-matching.py @@ -0,0 +1,41 @@ +#!/usr/bin/env python +""" +Simple example of a CLI that demonstrates up-arrow partial string matching. + +When you type some input, it's possible to use the up arrow to filter the +history on the items starting with the given input text. +""" +from prompt_toolkit import PromptSession +from prompt_toolkit.history import InMemoryHistory + + +def main(): + # Create some history first. (Easy for testing.) + history = InMemoryHistory() + history.append_string("import os") + history.append_string('print("hello")') + history.append_string('print("world")') + history.append_string("import path") + + # Print help. + print("This CLI has up-arrow partial string matching enabled.") + print('Type for instance "pri" followed by up-arrow and you') + print('get the last items starting with "pri".') + print("Press Control-C to retry. Control-D to exit.") + print() + + session = PromptSession(history=history, enable_history_search=True) + + while True: + try: + text = session.prompt("Say something: ") + except KeyboardInterrupt: + pass # Ctrl-C pressed. Try again. + else: + break + + print("You said: %s" % text) + + +if __name__ == "__main__": + main() |