def read_timeseries_info(input):
  """
  Read DSS pathname part info, units, and type from first seven lines
  of input. Assume pathname E-part to be 1DAY. Return information as a
  dictionary.
  
  """
  
  timeseries_info = {}
  try:
    timeseries_info["apart"] = input[0].strip().split()[1]
  except IndexError:
    timeseries_info["apart"] = " "  
  timeseries_info["bpart"] = input[1].strip().split()[1]
  timeseries_info["cpart"] = input[2].strip().split()[1]
  timeseries_info["epart"] = "1DAY"
  timeseries_info["fpart"] = input[4].strip().split()[1]
  timeseries_info["units"] = input[5].strip().split()[1]
  timeseries_info["type"] = input[6].strip().split()[1]
  return timeseries_info