Seeded thread index generator for grouping Microsoft Outlook emails into converations

generateThreadIndex.py

import uuid
import random
import base64

def generateThreadIndex(seed):
 	# Generates a Microsoft Outlook thread index based on a seed.
 	# Add the thread index with the 'Thread-Index' header when sending an email to group the emails into conversations
  
	rd = random.Random()
	rd.seed(seed)
	threaduuid = uuid.UUID(int=rd.getrandbits(128))
	return base64.standard_b64encode('\x01\x00\x00\x12\x34\x56' + threaduuid.get_bytes())