visualizer.py 文件源码

def close(self, format='csv'):
        import pandas as pd

        if format == 'csv':
            pd.DataFrame.from_dict(self._data, orient='index').to_csv(self._file)
        elif format == 'json':
            pd.DataFrame.from_dict(self._data, orient='index').to_json(self._file)
        else:
            writer = pd.ExcelWriter(self._file)
            pd.DataFrame.from_dict(self._data, orient='index').to_excel(writer)
            writer.save()