def update_thesis_information(self):
        """501 degree info - move subfields."""
        fields_501 = record_get_field_instances(self.record, '502')
        for field in fields_501:
            new_subs = []
            for key, value in field[0]:
                if key == 'b':
                    new_subs.append(('a', value))
                elif key == 'c':
                    new_subs.append(('b', value))
                elif key == 'd':
                    new_subs.append(('c', value))
                else:
                    new_subs.append((key, value))
            record_delete_field(self.record, tag="502",
                                field_position_global=field[4])
            record_add_field(self.record, "502", subfields=new_subs)
def update_thesis_information(self):
        
        fields_501 = record_get_field_instances(self.record, '502')
        for field in fields_501:
            new_subs = []
            for key, value in field[0]:
                if key == 'b':
                    new_subs.append(('a', value))
                elif key == 'c':
                    new_subs.append(('b', value))
                elif key == 'd':
                    new_subs.append(('c', value))
                else:
                    new_subs.append((key, value))
            record_delete_field(self.record, tag="502",
                                field_position_global=field[4])
            record_add_field(self.record, "502", subfields=new_subs)
def update_thesis_information ( self ) : fields_501 = record_get_field_instances ( self . record , '502' ) for field in fields_501 : new_subs = [ ] for key , value in field [ 0 ] : if key == 'b' : new_subs . append ( ( 'a' , value ) ) elif key == 'c' : new_subs . append ( ( 'b' , value ) ) elif key == 'd' : new_subs . append ( ( 'c' , value ) ) else : new_subs . append ( ( key , value ) ) record_delete_field ( self . record , tag = "502" , field_position_global = field [ 4 ] ) record_add_field ( self . record , "502" , subfields = new_subs )
501 degree info - move subfields.
501 degree info - move subfields .