Create app.py

app.py

@@ -0,0 +1,56 @@
+import streamlit as st
+import networkx as nx
+from pyvis.network import Network
+import json
+import os
+
+# Streamlit app layout
+st.title("Interactive Graph Visualization")
+st.write("Upload a JSON file containing nodes and edges to display the graph.")
+
+# File upload
+uploaded_file = st.file_uploader("Upload JSON file", type=["json"])
+
+if uploaded_file is not None:
+    try:
+        # Load JSON data
+        graph_data = json.load(uploaded_file)
+        
+        # Function to create a NetworkX graph from data
+        def create_graph(data):
+            G = nx.DiGraph()
+            for node in data.get("nodes", []):
+                G.add_node(node["id"], label=node.get("label", node["id"]))
+            for edge in data.get("edges", []):
+                G.add_edge(edge["source"], edge["target"], label=edge.get("label", ""))
+            return G
+        
+        # Generate the graph
+        graph = create_graph(graph_data)
+        
+        # Function to create a pyvis network from NetworkX graph
+        def create_pyvis_graph(G):
+            net = Network(height="600px", width="100%", directed=True)
+            for node, data in G.nodes(data=True):
+                net.add_node(node, label=data.get("label", node))
+            for source, target, data in G.edges(data=True):
+                net.add_edge(source, target, title=data.get("label", ""))
+            return net
+
+        # Create the Pyvis graph
+        pyvis_graph = create_pyvis_graph(graph)
+        
+        # Save and display the graph
+        output_file = "graph.html"
+        pyvis_graph.show(output_file)
+        
+        # Display the graph in Streamlit
+        st.components.v1.html(open(output_file, "r").read(), height=600, width=800)
+        
+        # Clean up the temporary file
+        if os.path.exists(output_file):
+            os.remove(output_file)
+    except Exception as e:
+        st.error(f"Error processing the file: {e}")
+else:
+    st.info("Please upload a JSON file to display the graph.")