Add BERTopic.

This commit is contained in:
戒酒的李白
2025-08-12 19:01:20 +08:00
parent e2323d579c
commit c5c530775e
256 changed files with 28666 additions and 0 deletions
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import copy
import pytest
@pytest.mark.parametrize("batch_size", [50, None])
@pytest.mark.parametrize("padding", [True, False])
@pytest.mark.parametrize(
"model",
[
("kmeans_pca_topic_model"),
("base_topic_model"),
("custom_topic_model"),
("merged_topic_model"),
("reduced_topic_model"),
],
)
def test_approximate_distribution(batch_size, padding, model, documents, request):
topic_model = copy.deepcopy(request.getfixturevalue(model))
# Calculate only on a document-level based on tokensets
topic_distr, _ = topic_model.approximate_distribution(documents, padding=padding, batch_size=batch_size)
assert topic_distr.shape[1] == len(topic_model.topic_labels_) - topic_model._outliers
# Use the distribution visualization
for i in range(3):
topic_model.visualize_distribution(topic_distr[i])
# Calculate distribution on a token-level
topic_distr, topic_token_distr = topic_model.approximate_distribution(documents[:100], calculate_tokens=True)
assert topic_distr.shape[1] == len(topic_model.topic_labels_) - topic_model._outliers
assert len(topic_token_distr) == len(documents[:100])
for token_distr in topic_token_distr:
assert token_distr.shape[1] == len(topic_model.topic_labels_) - topic_model._outliers
@@ -0,0 +1,55 @@
import copy
import pytest
@pytest.mark.parametrize(
"model",
[
("kmeans_pca_topic_model"),
("base_topic_model"),
("custom_topic_model"),
("merged_topic_model"),
("reduced_topic_model"),
("online_topic_model"),
],
)
def test_barchart(model, request):
topic_model = copy.deepcopy(request.getfixturevalue(model))
fig = topic_model.visualize_barchart()
assert len(fig.to_dict()["layout"]["annotations"]) == 8
for annotation in fig.to_dict()["layout"]["annotations"]:
assert int(annotation["text"].split(" ")[-1]) != -1
fig = topic_model.visualize_barchart(top_n_topics=5)
assert len(fig.to_dict()["layout"]["annotations"]) == 5
for annotation in fig.to_dict()["layout"]["annotations"]:
assert int(annotation["text"].split(" ")[-1]) != -1
@pytest.mark.parametrize(
"model",
[
("kmeans_pca_topic_model"),
("base_topic_model"),
("custom_topic_model"),
("merged_topic_model"),
("reduced_topic_model"),
("online_topic_model"),
],
)
def test_barchart_outlier(model, request):
topic_model = copy.deepcopy(request.getfixturevalue(model))
topic_model.topic_sizes_[-1] = 4
fig = topic_model.visualize_barchart()
assert len(fig.to_dict()["layout"]["annotations"]) == 8
for annotation in fig.to_dict()["layout"]["annotations"]:
assert int(annotation["text"].split(" ")[-1]) != -1
fig = topic_model.visualize_barchart(top_n_topics=5)
assert len(fig.to_dict()["layout"]["annotations"]) == 5
for annotation in fig.to_dict()["layout"]["annotations"]:
assert int(annotation["text"].split(" ")[-1]) != -1
@@ -0,0 +1,22 @@
import copy
import pytest
@pytest.mark.parametrize(
"model",
[
("kmeans_pca_topic_model"),
("base_topic_model"),
("custom_topic_model"),
("merged_topic_model"),
("reduced_topic_model"),
],
)
def test_documents(model, reduced_embeddings, documents, request):
topic_model = copy.deepcopy(request.getfixturevalue(model))
topics = set(topic_model.topics_)
if -1 in topics:
topics.remove(-1)
fig = topic_model.visualize_documents(documents, embeddings=reduced_embeddings, hide_document_hover=True)
fig_topics = [int(data["name"].split("_")[0]) for data in fig.to_dict()["data"][1:]]
assert set(fig_topics) == topics
@@ -0,0 +1,22 @@
import copy
import pytest
@pytest.mark.parametrize(
"model",
[
("kmeans_pca_topic_model"),
("base_topic_model"),
("custom_topic_model"),
("merged_topic_model"),
("reduced_topic_model"),
("online_topic_model"),
],
)
def test_dynamic(model, documents, request):
topic_model = copy.deepcopy(request.getfixturevalue(model))
timestamps = [i % 10 for i in range(len(documents))]
topics_over_time = topic_model.topics_over_time(documents, timestamps)
fig = topic_model.visualize_topics_over_time(topics_over_time)
assert len(fig.to_dict()["data"]) == len(set(topic_model.topics_)) - topic_model._outliers
@@ -0,0 +1,23 @@
import copy
import pytest
@pytest.mark.parametrize(
"model",
[
("kmeans_pca_topic_model"),
("base_topic_model"),
("custom_topic_model"),
("merged_topic_model"),
("reduced_topic_model"),
],
)
def test_heatmap(model, request):
topic_model = copy.deepcopy(request.getfixturevalue(model))
topics = set(topic_model.topics_)
if -1 in topics:
topics.remove(-1)
fig = topic_model.visualize_heatmap()
fig_topics = [int(topic.split("_")[0]) for topic in fig.to_dict()["data"][0]["x"]]
assert set(fig_topics) == topics
@@ -0,0 +1,8 @@
import copy
import pytest
@pytest.mark.parametrize("model", [("kmeans_pca_topic_model"), ("base_topic_model"), ("custom_topic_model")])
def test_term_rank(model, request):
topic_model = copy.deepcopy(request.getfixturevalue(model))
topic_model.visualize_term_rank()
@@ -0,0 +1,52 @@
import copy
import pytest
@pytest.mark.parametrize(
"model",
[
("kmeans_pca_topic_model"),
("base_topic_model"),
("custom_topic_model"),
("merged_topic_model"),
("reduced_topic_model"),
("online_topic_model"),
],
)
def test_topics(model, request):
topic_model = copy.deepcopy(request.getfixturevalue(model))
fig = topic_model.visualize_topics()
for slider in fig.to_dict()["layout"]["sliders"]:
for step in slider["steps"]:
assert int(step["label"].split(" ")[-1]) != -1
fig = topic_model.visualize_topics(top_n_topics=5)
for slider in fig.to_dict()["layout"]["sliders"]:
for step in slider["steps"]:
assert int(step["label"].split(" ")[-1]) != -1
@pytest.mark.parametrize(
"model",
[
("kmeans_pca_topic_model"),
("base_topic_model"),
("custom_topic_model"),
("merged_topic_model"),
("reduced_topic_model"),
("online_topic_model"),
],
)
def test_topics_outlier(model, request):
topic_model = copy.deepcopy(request.getfixturevalue(model))
topic_model.topic_sizes_[-1] = 4
fig = topic_model.visualize_topics()
for slider in fig.to_dict()["layout"]["sliders"]:
for step in slider["steps"]:
assert int(step["label"].split(" ")[-1]) != -1
fig = topic_model.visualize_topics(top_n_topics=5)
for slider in fig.to_dict()["layout"]["sliders"]:
for step in slider["steps"]:
assert int(step["label"].split(" ")[-1]) != -1