画像をExcelからエクスポートして、その画像をPythonで保存する方法は？

Question

私はエクセルシートからチャートをコピーし、pythonを使用して私のハードディスクに画像として保存したいと思います。 その後、私はOutlookのメール本文にその画像を残したいと思います。

Answer 1

import datetime 
import win32com.client as win32 
from win32com.client import Dispatch 
from PIL import ImageGrab # for this module you should have "Download Windows x86-64 executable installer" You can download it from link:-https://www.python.org/downloads/windows/ 
import os 

#Creating object for an excel application. So that we can access and work on it. 
xlApp = Dispatch('Excel.Application') 

# To open existing spread sheet. 
workbook = xlApp.Workbooks.Open(r'D:\Script\How to mail\Sigos_DailyHealthCheckReport.xlsx') 

# Function 1 :- 
def capture_image(worksheet_name,name_of_image): #worksheet_name :- from which worksheet you want to pick a chart . name_of_image:- what name you want to save it as image. 

    #To select particular worksheet of the workbook by name. 
    xlApp.Sheets(worksheet_name).Select() 

    # To create an object for the worksheet. 
    xlSheet1 = xlApp.Sheets(worksheet_name) 

    #WARNING: The following line will cause the script to discard any unsaved changes in your workbook 
    #Ensure to save any work before running script 
    xlApp.DisplayAlerts = False 

    i =0 
    # "chart" will capture all the charts available in the seleted worksheet. 
    for chart in xlSheet1.ChartObjects(): 
     print (chart.Name) 
     chart.CopyPicture() 

     #Create new temporary sheet 
     xlApp.ActiveWorkbook.Sheets.Add(After=xlApp.ActiveWorkbook.Sheets(3)).Name="temp_sheet" + str(i) 

     # To create an object for the worksheet. 
     temp_sheet = xlApp.ActiveSheet 

     #Add chart object to new sheet. 
     cht = xlApp.ActiveSheet.ChartObjects().Add(0,0,800, 600) 

     #Paste copied chart into new object 
     cht.Chart.Paste() 

     #Export image 
     #cht.Chart.Export("chart" + str(i) + ".png") 



    #Provide a range in which the image need to be copied from the temporary worksheet. 
    temp_sheet.Range(temp_sheet.Cells(1,1),temp_sheet.Cells(1,1)).CopyPicture() 

    #It will capture copied image from the clipboard and assign that to img variable. 
    img = ImageGrab.grabclipboard() 
    if img is None: 
     print('Error: No image data in clipboard') 

    #we will provide address and name to which the immage need to be saved. 
    imgFile = os.path.join(r'D:\Script\How to mail',name_of_image) 
    img.save(imgFile) 

    #Delete the temporary worksheet when chart image is capture. 
    temp_sheet.Delete()