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import networkx as nx | |
import matplotlib.pyplot as plt | |
import jraph | |
import jax.numpy as jnp | |
from datasets import load_dataset | |
import spacy | |
dataset = load_dataset("gigant/tib_transcripts") | |
nlp = spacy.load("en_core_web_sm") | |
def dependency_parser(sentences): | |
return [nlp(sentence) for sentence in sentences] | |
def construct_dependency_graph(docs): | |
""" | |
docs is a list of outputs of the SpaCy dependency parser | |
""" | |
graphs = [] | |
for doc in docs: | |
nodes = [token.text for token in doc] | |
senders = [] | |
receivers = [] | |
for token in doc: | |
for child in token.children: | |
senders.append(token.i) | |
receivers.append(child.i) | |
graphs.append({"nodes": nodes, "senders": senders, "receivers": receivers}) | |
return graphs | |
def to_jraph(graph): | |
nodes = graph["nodes"] | |
s = graph["senders"] | |
r = graph["receivers"] | |
# Define a three node graph, each node has an integer as its feature. | |
node_features = jnp.array([0]*len(nodes)) | |
# We will construct a graph for which there is a directed edge between each node | |
# and its successor. We define this with `senders` (source nodes) and `receivers` | |
# (destination nodes). | |
senders = jnp.array(s) | |
receivers = jnp.array(r) | |
# We then save the number of nodes and the number of edges. | |
# This information is used to make running GNNs over multiple graphs | |
# in a GraphsTuple possible. | |
n_node = jnp.array([len(nodes)]) | |
n_edge = jnp.array([len(s)]) | |
return jraph.GraphsTuple(nodes=node_features, senders=senders, receivers=receivers, | |
edges=None, n_node=n_node, n_edge=n_edge, globals=None) | |
def convert_jraph_to_networkx_graph(jraph_graph: jraph.GraphsTuple) -> nx.Graph: | |
nodes, edges, receivers, senders, _, _, _ = jraph_graph | |
nx_graph = nx.DiGraph() | |
if nodes is None: | |
for n in range(jraph_graph.n_node[0]): | |
nx_graph.add_node(n) | |
else: | |
for n in range(jraph_graph.n_node[0]): | |
nx_graph.add_node(n, node_feature=nodes[n]) | |
if edges is None: | |
for e in range(jraph_graph.n_edge[0]): | |
nx_graph.add_edge(int(senders[e]), int(receivers[e])) | |
else: | |
for e in range(jraph_graph.n_edge[0]): | |
nx_graph.add_edge( | |
int(senders[e]), int(receivers[e]), edge_feature=edges[e]) | |
return nx_graph | |
def plot_graph_sentence(sentence): | |
docs = dependency_parser([sentence]) | |
graphs = construct_dependency_graph(docs) | |
g = to_jraph(graphs[0]) | |
nx_graph = convert_jraph_to_networkx_graph(g) | |
pos = nx.spring_layout(nx_graph) | |
plot = plt.figure(figsize=(6, 6)) | |
nx.draw(nx_graph, pos=pos, labels={i: e for i,e in enumerate(graphs[0]["nodes"])}, with_labels = True, | |
node_size=500, font_color='black', node_color="yellow") | |
return plot | |
def get_list_sentences(id): | |
return gr.update(choices = dataset["train"][id]["transcript"].split(".")) | |
with gr.Blocks() as demo: | |
id = gr.Slider(maximum=len(dataset["train"]) - 1) | |
sentence = gr.Dropdown(choices = dataset["train"][0]["transcript"].split("."), interactive = True) | |
plot = gr.Plot() | |
id.change(get_list_sentences, id, sentence) | |
sentence.change(plot_graph_sentence, sentence, plot) | |
demo.launch() |