Create Charts in PPTX Presentations Using Python

Build Python applications that create customizable presentation charts with your own categories, data series, labels, and formatting.

Create a Pie Chart in a PPTX Presentation with Python

Aspose.Slides for Python via .NET lets you create a pie chart, replace its default categories and series, and customize its labels and colors. Pie charts work best when showing how a small number of numeric categories contribute to a whole. For more options, see Customize Pie Charts in Presentations .

Create a Pie Chart in a PPTX Presentation with Python

with slides.Presentation() as presentation:
    slide = presentation.slides[0]
    chart = slide.shapes.add_chart(slides.charts.ChartType.PIE, 100, 100, 400, 400)

    chart.has_title = True
    chart.chart_title.add_text_frame_for_overriding("Quarterly Sales")
    chart.chart_title.height = 20

    worksheet_index = 0
    workbook = chart.chart_data.chart_data_workbook
    chart.chart_data.series.clear()
    chart.chart_data.categories.clear()

    categories = ("First Quarter", "Second Quarter", "Third Quarter")
    values = (20, 50, 30)

    for row_index, category in enumerate(categories, start=1):
        category_cell = workbook.get_cell(worksheet_index, row_index, 0, category)
        chart.chart_data.categories.add(category_cell)

    series_name_cell = workbook.get_cell(worksheet_index, 0, 1, "Sales")
    series = chart.chart_data.series.add(series_name_cell, chart.type)

    for row_index, value in enumerate(values, start=1):
        value_cell = workbook.get_cell(worksheet_index, row_index, 1, value)
        series.data_points.add_data_point_for_pie_series(value_cell)

    series.labels.default_data_label_format.show_percentage = True
    series.parent_series_group.is_color_varied = True
    series.parent_series_group.first_slice_angle = 180

    fill_colors = (drawing.Color.orange, drawing.Color.blue_violet, drawing.Color.yellow_green)

    for data_point_index, fill_color in enumerate(fill_colors):
        data_point = series.data_points[data_point_index]
        data_point.format.fill.fill_type = slides.FillType.SOLID
        data_point.format.fill.solid_fill_color.color = fill_color

    presentation.save("pie-chart.pptx", slides.export.SaveFormat.PPTX)

How to Create and Customize a Pie Chart in PPTX with Python

Follow these steps to add a pie chart to a PPTX presentation.

Create a Presentation instance and access the desired slide through a slide variable.
Call add_chart with ChartType.PIE to add a pie chart to the slide.
Use chart_data_workbook to replace the default categories and series, then configure the labels, colors, and first_slice_angle.
Call save with SaveFormat.PPTX to write the presentation in PPTX format.

Built with Aspose.Slides

Create PPTX Charts Online

The free Aspose.Slides Chart app is built with Aspose.Slides for Python via .NET, the same API as the code above. Open it and see what the API can do with your own PPTX files.

Runs in your browser, nothing to install.
See how Aspose.Slides builds charts before you write code.
Build a chart from Excel or table data.
Download it as a PPTX file or an image.

Open Aspose.Slides Chart All free apps

Other Supported Chart Formats

Using Python, you can also create charts in other formats.