new_contents: import numpy as np
  import pandas as pd
  import sys
  
  INPUT_FILE_PATH = sys.argv[1]
  OUTPUT_FILE_PATH = INPUT_FILE_PATH \
      .replace('AnoAtual', 'current-year') \
      .replace('AnoAnterior', 'last-year') \
      .replace('AnosAnteriores', 'previous-years') \
      .replace('.csv', '.xz')
  
  data = pd.read_csv(INPUT_FILE_PATH,
                     dtype={'ideDocumento': np.str,
                            'ideCadastro': np.str,
                            'nuCarteiraParlamentar': np.str,
                            'codLegislatura': np.str,
                            'txtCNPJCPF': np.str,
                            'numRessarcimento': np.str})
  data.rename(columns={
      'ideDocumento': 'document_id',
      'txNomeParlamentar': 'congressperson_name',
      'ideCadastro': 'congressperson_id',
      'nuCarteiraParlamentar': 'congressperson_document',
      'nuLegislatura': 'term',
      'sgUF': 'state',
      'sgPartido': 'party',
      'codLegislatura': 'term_id',
      'numSubCota': 'subquota_number',
      'txtDescricao': 'subquota_description',
      'numEspecificacaoSubCota': 'subquota_group_id',
      'txtDescricaoEspecificacao': 'subquota_group_description',
      'txtFornecedor': 'supplier',
      'txtCNPJCPF': 'cnpj_cpf',
      'txtNumero': 'document_number',
      'indTipoDocumento': 'document_type',
      'datEmissao': 'issue_date',
      'vlrDocumento': 'document_value',
      'vlrGlosa': 'remark_value',
      'vlrLiquido': 'net_value',
      'numMes': 'month',
      'numAno': 'year',
      'numParcela': 'installment',
      'txtPassageiro': 'passenger',
      'txtTrecho': 'leg_of_the_trip',
      'numLote': 'batch_number',
      'numRessarcimento': 'reimbursement_number',
      'vlrRestituicao': 'reimbursement_value',
      'nuDeputadoId': 'applicant_id',
  }, inplace=True)
  
  data['subquota_description'] = data['subquota_description'].astype('category')
  data['subquota_description'].cat.rename_categories([
      'Publication subscriptions',
      'Fuels and lubricants',
      'Consultancy, research and technical work',
      'Publicity of parliamentary activity',
      'Flight ticket issue',
      'Congressperson meal',
      'Lodging, except for congressperson from Distrito Federal',
      'Aircraft renting or charter of aircraft',
      'Watercraft renting or charter',
      'Automotive vehicle renting or charter',
      'Maintenance of office supporting parliamentary activity',
      'Participation in course, talk or similar event',
      'Flight tickets',
      'Terrestrial, maritime and fluvial tickets',
      'Security service provided by specialized company',
      'Taxi, toll and parking',
      'Postal services',
      'Telecommunication',
  ], inplace=True)
  
  data.to_csv(OUTPUT_FILE_PATH,
              compression='xz',
              index=False)
  
subject: Add script based on analysis for translating the datasets