random_colors.py

# Copyright 2016 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# A short Python module to randomly color the text in your interactive session.
#
# 1. Save this as a file, e.g., "random_colors.py".
# 2. Start an interactive python session.
# 3. import random_colors
# 4. Watch the colors change as you type!

import threading
import time
import random
import sys

def RandomTerminalColors():
  while True:
    time.sleep(random.gammavariate(1.0, 1.0))
    sys.__stderr__.write('\x1b[1;3%sm' % chr(random.randint(ord('0'), ord('7'))))

RandomTerminalColorsThread = threading.Thread(target=RandomTerminalColors)
RandomTerminalColorsThread.daemon = True
RandomTerminalColorsThread.start()