Fixed database typo and removed unnecessary class identifier.

venv/share/doc/networkx-2.5/examples/javascript/force.py

@@ -0,0 +1,40 @@
+"""
+==========
+Javascript
+==========
+
+Example of writing JSON format graph data and using the D3 Javascript library
+to produce an HTML/Javascript drawing.
+
+You will need to download the following directory:
+
+- https://github.com/networkx/networkx/tree/master/examples/javascript/force
+"""
+import json
+
+import flask
+import networkx as nx
+from networkx.readwrite import json_graph
+
+G = nx.barbell_graph(6, 3)
+# this d3 example uses the name attribute for the mouse-hover value,
+# so add a name to each node
+for n in G:
+    G.nodes[n]["name"] = n
+# write json formatted data
+d = json_graph.node_link_data(G)  # node-link format to serialize
+# write json
+json.dump(d, open("force/force.json", "w"))
+print("Wrote node-link JSON data to force/force.json")
+
+# Serve the file over http to allow for cross origin requests
+app = flask.Flask(__name__, static_folder="force")
+
+
+@app.route("/")
+def static_proxy():
+    return app.send_static_file("force.html")
+
+
+print("\nGo to http://localhost:8000 to see the example\n")
+app.run(port=8000)