Create Flowchart in Python | Python Flowchart Maker API

create-flowchart-in-python.md

Learn how to Create Flowchart in Python

create-flowchart-in-python_code.py

# This code sample demonstartes how to create a flowchart in Python.
import aspose.diagram
from aspose.diagram import *

def createFlowChart():
    # schema for the diagram to be created
    diagram_object = Input(
        input_rectangles=[
            InputRectangle("A", "Manager"),
            InputRectangle("B", "Team Leader"),
            InputRectangle("C", "Team Member"),
            InputRectangle("D", "Team Member"),
            InputRectangle("E", "Team Member")
        ],
        input_connectors=[
            InputConnector("A", "B"),
            InputConnector("B", "C"),
            InputConnector("B", "D"),
            InputConnector("B", "E")
        ]
    )

    diagram = Diagram("D:\\Files\\BasicShapes.vss")
    page = diagram.pages[0]

    shape_names = {}

    # Adding shapes and connectors from the schema
    for rectangle in diagram_object.InputRectangles:
        shape = Shape()
        shape_id = diagram.add_shape(shape, "Rectangle", 0)
        shape_names[rectangle.Name] = shape_id
        shape = page.shapes.get_shape(shape_id)
        shape.text.value.add(Txt(rectangle.Text))

    for connector in diagram_object.InputConnectors:
        connector_id = diagram.add_shape(Shape(), "Dynamic connector", 0)
        page.connect_shapes_via_connector(
            shape_names[connector.OriginShapeName],
            aspose.diagram.manipulation.ConnectionPointPlace.RIGHT,
            shape_names[connector.DestinationShapeName],
            aspose.diagram.manipulation.ConnectionPointPlace.LEFT,
            connector_id
        )

    layout_options = aspose.diagram.autolayout.LayoutOptions()
    layout_options.layout_style = aspose.diagram.autolayout.LayoutStyle.FLOW_CHART
    layout_options.direction = aspose.diagram.autolayout.LayoutDirection.LEFT_TO_RIGHT
    layout_options.space_shapes = 5.0
    layout_options.enlarge_page = True
    

    diagram.layout(layout_options)

    page.page_sheet.print_props.print_page_orientation.value = PrintPageOrientationValue.LANDSCAPE

    save_options = aspose.diagram.saving.DiagramSaveOptions()
    save_options.save_format = SaveFileFormat.VSDX
    save_options.auto_fit_page_to_drawing_content = True

    diagram.save("D:\\Files\\flowchart_output.vsdx", save_options)
        
class Input:
    def __init__(self, input_rectangles=None, input_connectors=None):
        self.InputRectangles = input_rectangles if input_rectangles else []
        self.InputConnectors = input_connectors if input_connectors else []

class InputRectangle:
    def __init__(self, name, text):
        self.Name = name
        self.Text = text

class InputConnector:
    def __init__(self, origin_shape_name, destination_shape_name):
        self.OriginShapeName = origin_shape_name
        self.DestinationShapeName = destination_shape_name
        
createFlowChart()