Python - Plotting an Excel chart with pattern fills in column using XlsxWriter module

Charts are composed of at least one series of one or more data points. Series themselves are comprised of references to cell ranges. For plotting the charts on an excel sheet, firstly, create chart object of specific chart type( i.e Column chart etc.). After creating chart objects, insert data in it and lastly, add that chart object in the sheet object.


# import xlsxwriter module
import xlsxwriter
#Workbook()takes one,non-optional,argument which is the filename
#that we want to create.
workbook = xlsxwriter.Workbook('chart_pattern.xlsx')
# The workbook object is then used to add new worksheet via the #add_worksheet() method.
worksheet = workbook.add_worksheet()
# Create a new Format object to formats cells in worksheets using #add_format() method .
# here we create bold format object .
bold = workbook.add_format({'bold': 1})
# Add the worksheet data that the charts will refer to.
headings = ['Shingle', 'Brick']
data = [
   [105, 150, 130, 90 ],
   [50, 120, 100, 110],
# Write a row of data starting from 'A1' with bold format .
worksheet.write_row('A1', headings, bold)
# Write a column of data starting from 'A2', 'B2' respectively .
worksheet.write_column('A2', data[0])
worksheet.write_column('B2', data[1])
# Create a chart object that can be added to a worksheet using #add_chart() method.
# here we create a column chart object
chart = workbook.add_chart({'type': 'column'})
# Add a data series with pattern to a chart using add_series method. # The gap is used to make the patterns more visible.
# Configure the first series.= Sheet1 !$A$1 is equivalent to ['Sheet1', 0, 0].
# note : spaces is not inserted in b/w = and Sheet1, Sheet1 and !
# if space is inserted it throws warning.
   'name': '= Sheet1 !$A$1',
   'values': '= Sheet1 !$A$2:$A$5',
   'pattern': {
      'pattern': 'shingle',
      'fg_color': '# 804000',
      'bg_color': '# c68c53'
   'border': {'color': '# 804000'},
   'gap': 70,
# Configure a second series.
   'name': '= Sheet1 !$B$1',
   'values': '= Sheet1 !$B$2:$B$5',
   'pattern': {
      'pattern': 'horizontal_brick',
      'fg_color': '# b30000',
      'bg_color': '# ff6666'
   'border': {'color': '# b30000'},
# Add a chart title
chart.set_title ({'name': 'Cladding types'})
# Add x-axis label
chart.set_x_axis({'name': 'Region'})
# Add y-axis label
chart.set_y_axis({'name': 'Number of houses'})
# add chart to the worksheet with given offset values at the top-#left corner of a chart is anchored to cell D2 .
worksheet.insert_chart('D2', chart, {'x_offset': 25, 'y_offset': 10})
# Finally, close the Excel file via the close() method.

Updated on: 06-Aug-2020


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