http://genkisugimoto.com/blog/incremental-filtering-with-percol/

rc.py

# Emacs like
percol.import_keymap({
  "C-a" : lambda percol: percol.command.beginning_of_line(),
  "C-e" : lambda percol: percol.command.end_of_line(),
  "C-b" : lambda percol: percol.command.backward_char(),
  "C-f" : lambda percol: percol.command.forward_char(),
  "C-d" : lambda percol: percol.command.delete_forward_char(),
  "C-h" : lambda percol: percol.command.delete_backward_char(),
  "C-k" : lambda percol: percol.command.kill_end_of_line(),
  "C-y" : lambda percol: percol.command.yank(),
  "C-n" : lambda percol: percol.command.select_next(),
  "C-p" : lambda percol: percol.command.select_previous(),
  "C-v" : lambda percol: percol.command.select_next_page(),
  "M-v" : lambda percol: percol.command.select_previous_page(),
  "M-<" : lambda percol: percol.command.select_top(),
  "M->" : lambda percol: percol.command.select_bottom(),
  "C-m" : lambda percol: percol.finish(),
  "C-j" : lambda percol: percol.finish(),
  "C-g" : lambda percol: percol.cancel(),
})