little python GUI to interactively convert text to binary strings and back

bin2text.py

#!/usr/bin/env python

__author__ = 'Max DeLiso'

import tkinter
import tkinter.constants

from binutils import binEncodeString, attemptDecode, binDecodeString

class TkTest(tkinter.Frame):
  def __init__(self, master=None):
    tkinter.Frame.__init__(self, master)

    #TODO: refactor these into a class for brevity

    self.INPUT_L = tkinter.Text(self)
    self.INPUT_L.grid(column=0, row=1, sticky=tkinter.NSEW, padx=2, pady=2)
    self.INPUT_L.bind("<KeyRelease>", self.on_left_text_update)
    self.INPUT_L.bind("<FocusIn>", self.on_left_text_update)

    self.INPUT_R = tkinter.Text(self)
    self.INPUT_R.grid(column=1, row=1, sticky=tkinter.NSEW, padx=2, pady=2)
    self.INPUT_R.bind("<KeyRelease>", self.on_right_text_update)
    self.INPUT_R.bind("<FocusIn>", self.on_right_text_update)

    self.LABEL_TOP = tkinter.Label(
      self,
      text="text in left field, binary strings in the right",
      justify=tkinter.constants.CENTER)
    self.LABEL_TOP.grid(row=0, columnspan=2, sticky=tkinter.S, pady=4)

    self.grid_columnconfigure(0, weight=1)
    self.grid_columnconfigure(1, weight=1)
    self.grid_rowconfigure(0, minsize=16)
    self.grid_rowconfigure(1, weight=1)

  def on_left_text_update(self, ev):
    self.INPUT_R.replace("0.0", tkinter.END,
      binEncodeString(self.INPUT_L.get("0.0", tkinter.END)))

  def on_right_text_update(self, ev): # TODO: do this line by line with insert/delete
    self.INPUT_L.replace("0.0", tkinter.END,
      binDecodeString(self.INPUT_R.get("0.0", tkinter.END)))

if __name__ == "__main__":
  root = tkinter.Tk()

  app = TkTest(root)
  app.grid(sticky=tkinter.NSEW)

  root.title("bin2text")
  root.grid_columnconfigure(0, weight=1)
  root.grid_rowconfigure(0, weight=1)
  root.resizable(True, True)

  root.mainloop()

binutils.py

import re

def binEncodeString(rawString):
  return ' '.join(
    map(lambda ch: str(bin(ord(ch))[2:]),
      rawString))

def attemptDecode(numStr):
  try:
    return str(chr(int(numStr, base=2)))
  except ValueError:
    pass
  except UnicodeEncodeError:
    pass

def binDecodeString(binStr):
  return ''.join(
    filter(None,
      list(map(attemptDecode,
        re.findall(r'[0-1]+', binStr)))))