将Pandas DataFrame转换为类似字节的对象 [英] Convert Pandas DataFrame to bytes-like object
本文介绍了将Pandas DataFrame转换为类似字节的对象的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我正在尝试将df转换为二进制文件并将其存储在变量中.
Hi I am trying to convert my df to binary and store it in a variable.
my_df:
df = pd.DataFrame({'A':[1,2,3],'B':[4,5,6]})
我的代码:
import io
towrite = io.BytesIO()
df.to_excel(towrite) # write to BytesIO buffer
towrite.seek(0) # reset pointer
我得到AttributeError: '_io.BytesIO' object has no attribute 'write_cells'
完整追溯:
AttributeError Traceback (most recent call last)
<ipython-input-25-be6ee9d9ede6> in <module>()
1 towrite = io.BytesIO()
----> 2 df.to_excel(towrite) # write to BytesIO buffer
3 towrite.seek(0) # reset pointer
4 encoded = base64.b64encode(towrite.read()) #
C:\ProgramData\Anaconda3\lib\site-packages\pandas\core\frame.py in to_excel(self, excel_writer, sheet_name, na_rep, float_format, columns, header, index, index_label, startrow, startcol, engine, merge_cells, encoding, inf_rep, verbose, freeze_panes)
1422 formatter.write(excel_writer, sheet_name=sheet_name, startrow=startrow,
1423 startcol=startcol, freeze_panes=freeze_panes,
-> 1424 engine=engine)
1425
1426 def to_stata(self, fname, convert_dates=None, write_index=True,
C:\ProgramData\Anaconda3\lib\site-packages\pandas\io\formats\excel.py in write(self, writer, sheet_name, startrow, startcol, freeze_panes, engine)
624
625 formatted_cells = self.get_formatted_cells()
--> 626 writer.write_cells(formatted_cells, sheet_name,
627 startrow=startrow, startcol=startcol,
628 freeze_panes=freeze_panes)
AttributeError: '_io.BytesIO' object has no attribute 'write_cells'
推荐答案
我通过将熊猫升级到较新版本来解决了这个问题.
I solved the issue by upgrading pandas to newer version.
import io
towrite = io.BytesIO()
df.to_excel(towrite) # write to BytesIO buffer
towrite.seek(0)
print(towrite)
b''
print(type(towrite))
_io.BytesIO
如果要查看类似字节的对象,请使用getvalue
,
if you want to see the bytes-like object use getvalue
,
print(towrite.getvalue())
b'PK\x03\x04\x14\x00\x00\x00\x08\x00\x00\x00!\x00<\xb
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