docs: def _ParseShowList(self, checkOnly=False):
      """
      Read self._allShowList as csv file and make list of titles and IDs.
  
      Parameters
      ----------
        checkOnly : boolean [optional : default = False]
            If checkOnly is True this will only check to ensure the column
            headers can be extracted correctly.
      """
      showTitleList = []
      showIDList = []
  
      csvReader = csv.reader(self._allShowList.splitlines())
      for rowCnt, row in enumerate(csvReader):
        if rowCnt == 0:
          # Get header column index
          for colCnt, column in enumerate(row):
            if column == 'title':
              titleIndex = colCnt
            if column == self.ID_LOOKUP_TAG:
              lookupIndex = colCnt
        else:
          try:
            showTitleList.append(row[titleIndex])
            showIDList.append(row[lookupIndex])
          except UnboundLocalError:
            goodlogging.Log.Fatal("EPGUIDE", "Error detected in EPGUIDES allshows csv content")
          else:
            if checkOnly and rowCnt > 1:
              return True
      self._showTitleList = showTitleList
      self._showIDList = showIDList
      return True