guia_bolso.py 文件源码

def csv_transactions(self, year, month, file_name):
        transactions = self.transactions(year, month)

        if len(transactions) == 0:
            warnings.warn('No transactions for the period ({}-{})'.format(
                year, month))
            return

        with open(file_name, 'wb') as f:
            csv_writer = csv.DictWriter(f, fieldnames=self.fieldnames,
                                        encoding='utf-8-sig')  # add BOM to csv
            csv_writer.writeheader()
            csv_writer.writerows(transactions)