text: import os
  import logging
  
  import pandas as pd
  
  from .maf import maf
  from . import process_functions
  
  logger = logging.getLogger(__name__)
  
  
  class mafSP(maf):
      '''
      MAF SP file format validation / processing
      '''
  
      _fileType = "mafSP"
  
      def _validateFilename(self, filePath):
          '''
          Validates filename.  Should be
          nonGENIE_data_mutations_extended_CENTER.txt
          '''
          assert os.path.basename(filePath[0]) == \
              "nonGENIE_data_mutations_extended_{}.txt".format(self.center)
  
      def formatMAF(self, mafDf):
          '''
          The sponsored project maf file doesn't have less columns
          '''
          mafDf['Center'] = self.center
          mafDf['Tumor_Sample_Barcode'] = [
              process_functions.checkGenieId(i, self.center)
              for i in mafDf['Tumor_Sample_Barcode']]
          mafDf['Sequence_Source'] = pd.np.nan
          mafDf['Sequencer'] = pd.np.nan
          mafDf['Validation_Status'][
              mafDf['Validation_Status'].isin(["Unknown", "unknown"])] = ''
          return(mafDf)
  
      def storeProcessedMaf(
              self, filePath, mafSynId, centerMafSynId, isNarrow=False):
          '''
          Stores SP maf to database
          '''
          logger.info('STORING %s' % filePath)
          mafDataFrame = pd.read_csv(filePath, sep="\t")
          process_functions.updateData(
              self.syn, mafSynId, mafDataFrame,
              self.center, filterByColumn="Center", toDelete=True)
          return(filePath)
  