How to copy info from one excel to a template excel?

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I am working with Excel and I have to export some columns to another one but this second one is a template having some colors, the logo of a company and stuff. Is there any way to preserve the look and functionality that template.xlsx has?

My code:

import pandas as pd

#variables for source file, worksheets, and empty dictionary for dataframes
spreadsheet_file = pd.ExcelFile('example.xlsx')
worksheets = spreadsheet_file.sheet_names

appended_data = {}
cat_dic = {"Part Number":"CÓDIGO", "QTY":"QT", "Description":"DESCRIÇÃO", "Material":"MATERIAL", "Company":"MARCA","Category":"OPERAÇÃO"}
d = {}

for sheet_name in worksheets:
  df = pd.read_excel(spreadsheet_file, sheet_name)
  #Getting only the columns asked: "Part Number","QTY","Description","Material","Company","Category"
  df = df[["Part Number","QTY","Description","Material","Company","Category"]]
  #Organizing info:
  #1º By Category
  #2º By Description
  df = df.sort_values(['Category', 'Description'], ascending = [False, False])
  appended_data = df.to_dict()
  #Change Key names
  d = dict((cat_dic[key], value) for (key, value) in appended_data.items())
  #Exporting Data
  df2 = pd.DataFrame(d)
  df2.to_excel('template2.xlsx',sheet_name='Projeto',index=False)

Example:

enter image description here

Template:

enter image description here

My output:

enter image description here

Thanks in advance for any help.

pandas dataframe excel python
1 Answers

You will need to use openpyxl if you want to only update the text and keep the format, color, etc. as-is in the template. Updated code below. Note that

  • I have not taken your df2 code as the template file already has the new headers. Only updating the data from each worksheet into the file
  • You can read each worksheet using read_excel, but writing will need to be using the openpyxl.load_workbook and finally saving the file once all worksheets are read
  • Open the template file shown in pic above using load_workbook before the FOR loop and save to a new file template2 after the FOR loop is complete
spreadsheet_file = pd.ExcelFile('example.xlsx')
worksheets = spreadsheet_file.sheet_names
#cat_dic = {"Part Number":"CÓDIGO", "QTY":"QT", "Description":"DESCRIÇÃO", "Material":"MATERIAL", "Company":"MARCA","Category":"OPERAÇÃO"}
#d = {}

import openpyxl
from openpyxl.utils.dataframe import dataframe_to_rows
wb=openpyxl.load_workbook('Template.xlsx')  ##Your Template file
ws=wb['Sheet1']
rownumber=2 ##Skip 2 rows and start writing from row 3 - first two are headers in template file

for sheet_name in worksheets:
    df = pd.read_excel(spreadsheet_file, sheet_name)
    #Getting only the columns asked: "Part Number","QTY","Description","Material","Company","Category"
    df = df[["Part Number","QTY","Description","Material","Company","Category"]]
    #Organizing info:
    #1º By Category
    #2º By Description
    df = df.sort_values(['Category', 'Description'], ascending = [False, False])

    rows = dataframe_to_rows(df, index=False, header=False) ## Read all rows from df, but don't read index or header
    for r_idx, row in enumerate(rows, 1):
        for c_idx, value in enumerate(row, 1):
             ws.cell(row=r_idx+rownumber, column=c_idx, value=value) Write to cell, but after rownumber + row index
            
    rownumber += len(df) ##Move the rownumber to end, so next worksheet data comes after this sheet's data 

wb.save('template2.xlsx')
user_164048720
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