text: """
  """
  
  import time
  import datetime
  import email.utils as eut
  
  class FixedOffset(datetime.tzinfo):
      """Fixed offset in minutes east from UTC."""
  
      def __init__(self, offset, name):
          self.__offset = datetime.timedelta(minutes = offset)
          self.__name = name
  
      def utcoffset(self, dt):
          return self.__offset
  
      def tzname(self, dt):
          return self.__name
  
      def dst(self, dt):
          return datetime.timedelta(0)
  
  UTC = FixedOffset(0, "UTC")
  
  
  def format_timestamp(in_date):
      if type(in_date) == str:
          in_date = datetime.datetime(*eut.parsedate(in_date)[:6])
      r = in_date.strftime("%Y-%m-%dT%H:%M:%S.%f")
      r = r[0:r.find(".")+4] + 'Z'
      return r
  
  def parse_timestamp_rfc_2822(in_date):
      return datetime.datetime(*eut.parsedate(in_date)[:6])
  
  def parse_timestamp(date_str):
      """Parse the date time returned by the DAM"""
      (dt, mSecs) = date_str.strip().split(".") 
      if mSecs.endswith('Z'): mSecs = mSecs[:-1]
      mSecs = mSecs+'0'*(6-len(mSecs))
      dt = datetime.datetime(*time.strptime(dt, "%Y-%m-%dT%H:%M:%S")[0:6], tzinfo=UTC)
      mSeconds = datetime.timedelta(microseconds = int(mSecs))
  
      return dt+mSeconds
  