Source code for networkx.readwrite.json_graph.jit

Read and write NetworkX graphs as JavaScript InfoVis Toolkit (JIT) format JSON.

See the `JIT documentation`_ for more examples.

var json = [
    "id": "aUniqueIdentifier",
    "name": "usually a nodes name",
    "data": {
      "some key": "some value",
      "some other key": "some other value"
    "adjacencies": [
      data: {} //put whatever you want here
    'other adjacencies go here...'

  'other nodes go here...'
.. _JIT documentation:

import json
import warnings
import networkx as nx
from networkx.utils.decorators import not_implemented_for

__all__ = ["jit_graph", "jit_data"]

[docs]def jit_graph(data, create_using=None): """Read a graph from JIT JSON. Parameters ---------- data : JSON Graph Object create_using : Networkx Graph, optional (default: Graph()) Return graph of this type. The provided instance will be cleared. Returns ------- G : NetworkX Graph built from create_using if provided. .. deprecated:: 2.6 """ warnings.warn( ("jit_graph is deprecated and will be removed in NetworkX 3.0."), DeprecationWarning, ) if create_using is None: G = nx.Graph() else: G = create_using G.clear() if isinstance(data, str): data = json.loads(data) for node in data: G.add_node(node["id"], **node["data"]) if node.get("adjacencies") is not None: for adj in node["adjacencies"]: G.add_edge(node["id"], adj["nodeTo"], **adj["data"]) return G
[docs]@not_implemented_for("multigraph") def jit_data(G, indent=None, default=None): """Returns data in JIT JSON format. Parameters ---------- G : NetworkX Graph indent: optional, default=None If indent is a non-negative integer, then JSON array elements and object members will be pretty-printed with that indent level. An indent level of 0, or negative, will only insert newlines. None (the default) selects the most compact representation. default: optional, default=None It will pass the value to the json.dumps function in order to be able to serialize custom objects used as nodes. Returns ------- data: JIT JSON string .. deprecated:: 2.6 """ warnings.warn( ("jit_data is deprecated and will be removed in NetworkX 3.0."), DeprecationWarning, ) json_graph = [] for node in G.nodes(): json_node = {"id": node, "name": node} # node data json_node["data"] = G.nodes[node] # adjacencies if G[node]: json_node["adjacencies"] = [] for neighbour in G[node]: adjacency = {"nodeTo": neighbour} # adjacency data adjacency["data"] = G.edges[node, neighbour] json_node["adjacencies"].append(adjacency) json_graph.append(json_node) return json.dumps(json_graph, indent=indent, default=default)