app.py

import streamlit as st
import graphviz

def generate_flowchart(process_text):
    dot = graphviz.Digraph()
    
    # Split lines and create nodes
    steps = process_text.strip().split("\n")
    
    for i, step in enumerate(steps):
        node_label = step.strip()
        dot.node(str(i), node_label)  # Create a node
        
        if i > 0:
            dot.edge(str(i - 1), str(i))  # Connect previous step
    
    return dot

def main():
    st.title("Process Flow Diagram Creator")
    
    st.write("Enter your process steps (one step per line) below:")

    # Text input area
    process_text = st.text_area("Process Steps", height=200)

    if st.button("Generate Flowchart"):
        if process_text.strip():
            flowchart = generate_flowchart(process_text)
            st.graphviz_chart(flowchart)
        else:
            st.warning("Please enter process steps.")

    # File uploader for .txt files
    uploaded_file = st.file_uploader("Or upload a .txt file", type=["txt"])
    
    if uploaded_file is not None:
        process_text = uploaded_file.read().decode("utf-8")
        flowchart = generate_flowchart(process_text)
        st.graphviz_chart(flowchart)

if __name__ == "__main__":
    main()