code: def timedelta_to_usecs(td):
      total = td.days * 86400000000  # Microseconds in a day
      total += td.seconds * 1000000  # Microseconds in a second
      total += td.microseconds
      return total
  
imports: import calendar
  import copy
  from datetime import date, datetime, timedelta
  from whoosh.compat import iteritems
label_desc: Use image node_id 2 for calling a global function with example usage: timedelta_to_usecs(td) and returns: total