Re: Using Prompt Toolkit to edit terminal inputs in a screen editor.

Ooh, nice find. If we can agree on a keyboard shortcut that people like for
this, I'd like to enable it by default in IPython.

On 18 July 2016 at 22:15, Carl Smith <[email protected]> wrote:

> Prompt Toolkit allows you to open the current input in your favourite
> editor, edit the code, and when you exit, you have the edited code in the
> input buffer. This is different to %edit, and is really useful in practice.
>
> If you chuck this code in a startup file, it will create a keybinding for
> the feature. This code uses Ctrl-N (because ne is currently my favourite
> tool for these kinds of edits), but you can easily change the keybinding.
>
>     from prompt_toolkit.keys import Keys
>
>     ip = get_ipython()
>
>     def open_input_in_editor(event):
>
>         event.cli.current_buffer.tempfile_suffix = ".py"
>         event.cli.current_buffer.open_in_editor(event.cli)
>
>     bind_key = ip.pt_cli.application.key_bindings_registry.add_binding
>     bind_key(Keys.ControlN)(open_input_in_editor)
>
> It'd be nice to have a better way of setting the tempfile suffix, so it
> isn't redundantly reassigned every time you use the function, but doing it
> this way is fine for now. Removing that causes the tempfile to have no
> suffix, so you wouldn't get language specific features like syntax
> highlighting.
>
> Hope someone else finds this useful.
>
> Best,
> -- Carl Smith
> [email protected]
>
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>

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