gistfile1.txt

### custom keybindings
from prompt_toolkit.keys import Keys
from builtins import events

from prompt_toolkit.filters import Condition, EmacsInsertMode, ViInsertMode

@events.on_post_init
def custom_keys():
    handler = __xonsh_shell__.shell.key_bindings_manager.registry.add_binding

    @Condition
    def less_than_ten_files(cli):
        return len(g`*`) < 10

    @handler(Keys.ControlW)
    def say_hi(event):
        print('hi', end='')

    @handler(Keys.ControlL, filter=less_than_ten_files)
    def run_ls(event):
        ls -l
        event.cli.renderer.erase()