python可以添加，运行&无需中间保存步骤即可删除VBA宏以实现卓越效果? [英] Can python add, run & remove a VBA macro to excel without intermediate saving steps?

问题描述

我有一个长期运行的python管道，该管道生成一个pandas数据框.简要地说，我想:

I have a long-running python pipeline that generates a pandas dataframe. Briefly, I want to:

1. 在excel中显示熊猫数据框
2. 添加并添加运行VBA宏
3. 删除VBA宏，并将(新格式化的)输出保存为.xslx

面临的挑战是，我无法弄清楚如何没有中间的另存为xlsm-文件" 步骤，这显然是将VBA宏添加到.xlsx文件.由于效率低下，因此我想摆脱这一中间步骤.

The challenge is that I can't figure out how to do this without an intermediate save-as-xlsm-file step, which is apparently required when adding a VBA macro to an .xlsx file. Since this is inefficient, I want to get rid of this intermediate step.

这是代码:

1.在excel中显示熊猫数据框:

with pd.ExcelWriter('output.xlsx') as writer:
     df_results.to_excel(writer, index = False, sheet_name = "Sheet1")
     #...see below

2A.添加宏并分配.xlsm文件名，以便编写者可以保存宏

     #... see above
     writer.book.filename = 'output.xlsm'           # Add .xlsm filename
     writer.book.add_vba_project('VBA_script.bin')  # This adds my macro
     writer.save()                                  # How to get rid of this step?

2B.运行宏

xl = win32com.client.Dispatch("Excel.Application")  # Set up excel
xl.Workbooks.Open(Filename = 'output.xlsm')         # Open .xlsm file from step 2A
xl.Application.Run("Module1.Main")                  # Run VBA_macro.bin

3.删除宏并保存到.xlsx

wb = xl.ActiveWorkbook
xl.DisplayAlerts = False
wb.DoNotPromptForConvert = True
wb.CheckCompatibility = False
wb.SaveAs('final_outfile.xlsx', FileFormat=51, ConflictResolution=2) # Macro disapears here
xl.Application.Quit()
del xl
xl = None

是否可以在没有中间.xlsm步骤&的情况下执行此操作用较短的代码?

Is it possible to do this without intermediate .xlsm step & with shorter code?

如何添加，运行&在excel上下文中删除VBA宏，而无需使用python进行中间保存步骤?

推荐答案

是的，创建实例，使用内置的VBA代码导入，运行宏，另存为xlsx来删除宏.

Yes, create the instance, use the built in VBA Code Import, run macro, save as xlsx to remove macro.

xl = win32com.client.Dispatch("Excel.Application")
xl.Workbooks.Add
wb = xl.ActiveWorkbook
wb.VBProject.VBComponents.Import "Full Path\VBA_script.bin"
xl.Application.Run("Module1.Main")
xl.DisplayAlerts = False
wb.DoNotPromptForConvert = True
wb.CheckCompatibility = False
wb.SaveAs('final_outfile.xlsx', FileFormat=51, ConflictResolution=2) # Macro disapears here
xl.Application.Quit()
del xl
xl = None

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