code: def _exclude(self, member):
          '''
          Exclude based on opts
          '''
          if isinstance(member, string_types):
              return None
  
          for item in self.opts['spm_build_exclude']:
              if member.name.startswith('{0}/{1}'.format(self.formula_conf['name'], item)):
                  return None
              elif member.name.startswith('{0}/{1}'.format(self.abspath, item)):
                  return None
          return membef _exclude(self, member):
          '''
          Exclude based on opts
          '''
          if isinstance(member, string_types):
              return None
  
          for item in self.opts['spm_build_exclude']:
              if member.name.startswith('{0}/{1}'.format(self.formula_conf['name'], item)):
                  return None
              elif member.name.startswith('{0}/{1}'.format(self.abspath, item)):
                  return None
          return member
docs: Exclude based on opts