How does one set specific vim-bindings in Ipython 5.0.0

Question

I understand that because Ipython 5.0.0 uses a new input library (prompt_toolkit) it no longer defaults to the editor mode specified in .inputrc (*nix). This option has to b

Answer 1

This is an old post but it helped me find my answer so I thought I would post how I added a couple of bindings to vi mode in ipython. I added the following code in ~/.ipython/profile_default/startup/00-keybindings.py to bind to K and J in vi navigation mode.

"""Improve history access so I can skip over functions"""

from IPython import get_ipython
from prompt_toolkit.enums import DEFAULT_BUFFER
from prompt_toolkit.filters import HasFocus, ViNavigationMode
from prompt_toolkit.key_binding.bindings.named_commands import get_by_name

ip = get_ipython()
registry = ip.pt_app.key_bindings
ph = get_by_name('previous-history')
nh = get_by_name('next-history')
registry.add_binding('K',
                     filter=(HasFocus(DEFAULT_BUFFER) &
                             ViNavigationMode()))(ph)
registry.add_binding('J',
                     filter=(HasFocus(DEFAULT_BUFFER) &
                             ViNavigationMode()))(nh)