212 lines
6.7 KiB
Python
212 lines
6.7 KiB
Python
import os
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import torch
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import numpy as np
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from PIL import Image, ImageSequence
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import os
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from os.path import isfile, join
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import matplotlib.pyplot as plt
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from wordcloud import WordCloud
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import networkx as nx
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from collections import Counter, defaultdict
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from itertools import combinations
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import pandas as pd
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def generate_wordcloud_and_network_graph(file_paths, output_dir, top_n_wordcloud=100, top_n_network=100, top_n_table=10):
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word_counter = Counter()
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tag_cooccurrences = Counter()
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for file_path in file_paths:
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with open(file_path, 'r') as f:
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tags = f.read().strip().split(',')
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word_counter.update(tags)
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for tag1 in tags:
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for tag2 in tags:
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if tag1 != tag2:
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tag_cooccurrences[(tag1, tag2)] += 1
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# Word cloud generation
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top_wordcloud_tags = dict(word_counter.most_common(top_n_wordcloud))
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wordcloud = WordCloud(width=1920, height=1080,
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background_color='white').generate_from_frequencies(top_wordcloud_tags)
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plt.figure(figsize=(16, 9))
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plt.imshow(wordcloud, interpolation='bilinear')
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plt.axis('off')
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output_wordcloud_file = join(output_dir, 'wordcloud.png')
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plt.savefig(output_wordcloud_file, bbox_inches='tight', pad_inches=0)
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plt.close()
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print("Word cloud saved as", output_wordcloud_file)
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# Network graph generation
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G = nx.Graph()
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tags_cooccurrence = defaultdict(int)
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for file in file_paths:
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with open(file, 'r', encoding='utf-8') as f:
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content = f.read()
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tags = list(set(content.split(',')))
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for tag_pair in combinations(tags, 2):
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if tag_pair[0].strip() and tag_pair[1].strip():
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tags_cooccurrence[tag_pair] += 1
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top_cooccurrences = sorted(tags_cooccurrence.items(
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), key=lambda x: x[1], reverse=True)[:top_n_network]
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for (tag1, tag2), weight in top_cooccurrences:
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G.add_edge(tag1.strip(), tag2.strip(), weight=weight)
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plt.figure(figsize=(24, 12))
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gradio_blue = '#0B0F19'
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plt.gca().set_facecolor(gradio_blue)
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degrees = dict(G.degree)
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node_size = [v * 100 for v in degrees.values()]
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node_color = [degrees[n] for n in G.nodes]
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edge_width = [G[u][v]['weight'] / 100 for u, v in G.edges]
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pos = nx.kamada_kawai_layout(G)
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nx.draw_networkx_nodes(G, pos, node_size=node_size,
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node_color=node_color, cmap=plt.cm.plasma, alpha=0.8)
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nx.draw_networkx_edges(G, pos, width=edge_width, alpha=0.3, edge_color='w')
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nx.draw_networkx_labels(G, pos, font_size=12,
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font_weight='bold', font_color='white',
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font_family='sans-serif')
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plt.axis('off')
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output_network_graph_file = join(output_dir, 'network_graph.png')
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plt.savefig(output_network_graph_file, pad_inches=0, dpi=300,
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bbox_inches='tight', facecolor=gradio_blue)
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plt.close()
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print("Network graph saved as", output_network_graph_file)
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# Tag frequency table
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tag_freq_table = pd.DataFrame.from_dict(
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word_counter, orient='index', columns=['Frequency'])
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tag_freq_table = tag_freq_table.sort_values(
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by='Frequency', ascending=False)
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tag_freq_table.reset_index(inplace=True)
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tag_freq_table.columns = ['Tag', 'Frequency']
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plt.figure(figsize=(12, 6))
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bars = plt.bar(tag_freq_table['Tag'][:top_n_table],
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tag_freq_table['Frequency'][:top_n_table], color='skyblue')
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for bar in bars:
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yval = bar.get_height()
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plt.text(bar.get_x() + bar.get_width()/2, yval,
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round(yval, 2), ha='center', va='bottom', color='black')
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plt.xlabel('Tag')
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plt.ylabel('Frequency')
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plt.xticks(rotation=45, ha='right')
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plt.tight_layout()
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plt.savefig(join(output_dir, 'tag_frequency_table.png'))
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plt.close()
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# plt.figure(figsize=(12, 6))
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# plt.bar(tag_freq_table['Tag'][:top_n_table], tag_freq_table['Frequency'][:top_n_table], color='skyblue')
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# plt.xlabel('Tag')
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# plt.ylabel('Frequency')
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# plt.xticks(rotation=45, ha='right')
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# plt.tight_layout()
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# plt.savefig(join(output_dir, 'tag_frequency_table.png'))
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# plt.close()
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print("Tag frequency table saved as", join(
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output_dir, 'tag_frequency_table.png'))
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return output_wordcloud_file, output_network_graph_file, join(output_dir, 'tag_frequency_table.png')
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def pilToImage(image):
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return torch.from_numpy(np.array(image).astype(np.float32) / 255.0).unsqueeze(0)
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def load_image(image_path):
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try:
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img = Image.open(image_path)
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image = img.convert("RGB")
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loaded_image = pilToImage(image)
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except Exception as e:
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print(f"Error loading image from '{image_path}': {e}")
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return loaded_image
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def create_empty_image(width=100, height=100, color=(255, 255, 255)):
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try:
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empty_image = Image.new("RGB", (width, height), color)
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except Exception as e:
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print(f"Error creating empty image: {e}")
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empty_image = None
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return empty_image
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class DATASET_CaptionVisualizer:
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def __init__(self):
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pass
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@classmethod
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def INPUT_TYPES(s):
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return {
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"required": {
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"Captions": ("STRING", {"forceInput": True}),
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"WordCloudTop": ("INT", {"default": 1, "min": 1, "max": 9999}),
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"NetworkGraphTop": ("INT", {"default": 1, "min": 1, "max": 9999}),
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"FrequencyGraphTop": ("INT", {"default": 1, "min": 1, "max": 9999})
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},
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}
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INPUT_IS_LIST = True
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RETURN_TYPES = ("STRING", "IMAGE")
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RETURN_NAMES = ("GraphsPaths", "GraphsImages")
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OUTPUT_IS_LIST = (True, True)
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FUNCTION = "Visualize"
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OUTPUT_NODE = True
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CATEGORY = "🔶DATASET🔶"
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def Visualize(self, Captions, WordCloudTop, NetworkGraphTop, FrequencyGraphTop):
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try:
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directory_path = os.path.dirname(Captions[0])
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visualize_path = os.path.join(directory_path, "visualize")
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os.makedirs(visualize_path, exist_ok=True)
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wc, ng, fg = generate_wordcloud_and_network_graph(
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Captions, visualize_path, WordCloudTop[0], NetworkGraphTop[0], FrequencyGraphTop[0])
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images = []
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if os.path.exists(wc):
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images.append(load_image(wc))
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if os.path.exists(ng):
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images.append(load_image(ng))
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if os.path.exists(fg):
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images.append(load_image(fg))
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return ([wc, ng, fg], images,)
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except Exception as e:
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print(f"Error saving: {e}")
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return (["", "", ""],)
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N_CLASS_MAPPINGS = {
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"DATASET_CaptionVisualizer": DATASET_CaptionVisualizer,
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}
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N_DISPLAY_NAME_MAPPINGS = {
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"DATASET_CaptionVisualizer": "DATASET_CaptionVisualizer",
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}
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