Bind foot pedal signals to certain keys. Could be replaced by modifying the udev database to reinterpret the foot pedal as a keyboard.

foot-pedal

#!/usr/bin/env python
# Script for binding my foot pedal.

import sys, os, glob
import evdev
from evdev import ecodes

# Search system devices for a pedal.
devices = glob.glob('/dev/input/by-id/usb-VEC_VEC_USB_Footpedal-event-*')

if len(devices) == 0:
    print("No pedals found.", file=sys.stderr)
    sys.exit(1)
elif len(devices) > 1:
    print("More than one pedal found.", file=sys.stderr)

print("Using device '{}'.".format(devices[0]))
pedal = '/dev/input/by-id/' + os.readlink(devices[0])
device = evdev.InputDevice(pedal)

ui = evdev.uinput.UInput()
for event in device.read_loop():
    if event.code == 256:
        if event.value == 1:
            ui.write(evdev.ecodes.EV_KEY, evdev.ecodes.KEY_BACKSLASH, 1)
            ui.write(evdev.ecodes.EV_KEY, evdev.ecodes.KEY_BACKSLASH, 0)
            ui.syn()
    if event.code == 257:
        if event.value == 1:
            ui.write(evdev.ecodes.EV_KEY, evdev.ecodes.KEY_ESC, 1)
            ui.write(evdev.ecodes.EV_KEY, evdev.ecodes.KEY_ESC, 0)
            ui.syn()