| |
|
| |
|
| |
|
| | import logging
|
| | import io
|
| | import base64
|
| | from collections import Counter, defaultdict
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| |
|
| |
|
| | import streamlit as st
|
| | import spacy
|
| | import networkx as nx
|
| | import matplotlib.pyplot as plt
|
| | from sklearn.feature_extraction.text import TfidfVectorizer
|
| | from sklearn.metrics.pairwise import cosine_similarity
|
| |
|
| |
|
| | logger = logging.getLogger(__name__)
|
| |
|
| |
|
| | from .stopwords import (
|
| | process_text,
|
| | clean_text,
|
| | get_custom_stopwords,
|
| | get_stopwords_for_spacy
|
| | )
|
| |
|
| |
|
| |
|
| | POS_COLORS = {
|
| | 'ADJ': '#FFA07A', 'ADP': '#98FB98', 'ADV': '#87CEFA', 'AUX': '#DDA0DD',
|
| | 'CCONJ': '#F0E68C', 'DET': '#FFB6C1', 'INTJ': '#FF6347', 'NOUN': '#90EE90',
|
| | 'NUM': '#FAFAD2', 'PART': '#D3D3D3', 'PRON': '#FFA500', 'PROPN': '#20B2AA',
|
| | 'SCONJ': '#DEB887', 'SYM': '#7B68EE', 'VERB': '#FF69B4', 'X': '#A9A9A9',
|
| | }
|
| |
|
| | POS_TRANSLATIONS = {
|
| | 'es': {
|
| | 'ADJ': 'Adjetivo', 'ADP': 'Preposición', 'ADV': 'Adverbio', 'AUX': 'Auxiliar',
|
| | 'CCONJ': 'Conjunción Coordinante', 'DET': 'Determinante', 'INTJ': 'Interjección',
|
| | 'NOUN': 'Sustantivo', 'NUM': 'Número', 'PART': 'Partícula', 'PRON': 'Pronombre',
|
| | 'PROPN': 'Nombre Propio', 'SCONJ': 'Conjunción Subordinante', 'SYM': 'Símbolo',
|
| | 'VERB': 'Verbo', 'X': 'Otro',
|
| | },
|
| | 'en': {
|
| | 'ADJ': 'Adjective', 'ADP': 'Preposition', 'ADV': 'Adverb', 'AUX': 'Auxiliary',
|
| | 'CCONJ': 'Coordinating Conjunction', 'DET': 'Determiner', 'INTJ': 'Interjection',
|
| | 'NOUN': 'Noun', 'NUM': 'Number', 'PART': 'Particle', 'PRON': 'Pronoun',
|
| | 'PROPN': 'Proper Noun', 'SCONJ': 'Subordinating Conjunction', 'SYM': 'Symbol',
|
| | 'VERB': 'Verb', 'X': 'Other',
|
| | },
|
| | 'fr': {
|
| | 'ADJ': 'Adjectif', 'ADP': 'Préposition', 'ADV': 'Adverbe', 'AUX': 'Auxiliaire',
|
| | 'CCONJ': 'Conjonction de Coordination', 'DET': 'Déterminant', 'INTJ': 'Interjection',
|
| | 'NOUN': 'Nom', 'NUM': 'Nombre', 'PART': 'Particule', 'PRON': 'Pronom',
|
| | 'PROPN': 'Nom Propre', 'SCONJ': 'Conjonction de Subordination', 'SYM': 'Symbole',
|
| | 'VERB': 'Verbe', 'X': 'Autre',
|
| | }
|
| | }
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| |
|
| | ENTITY_LABELS = {
|
| | 'es': {
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| | "Personas": "lightblue",
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| | "Lugares": "lightcoral",
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| | "Inventos": "lightgreen",
|
| | "Fechas": "lightyellow",
|
| | "Conceptos": "lightpink"
|
| | },
|
| | 'en': {
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| | "People": "lightblue",
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| | "Places": "lightcoral",
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| | "Inventions": "lightgreen",
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| | "Dates": "lightyellow",
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| | "Concepts": "lightpink"
|
| | },
|
| | 'fr': {
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| | "Personnes": "lightblue",
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| | "Lieux": "lightcoral",
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| | "Inventions": "lightgreen",
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| | "Dates": "lightyellow",
|
| | "Concepts": "lightpink"
|
| | }
|
| | }
|
| |
|
| |
|
| | def fig_to_bytes(fig):
|
| | """Convierte una figura de matplotlib a bytes."""
|
| | try:
|
| | buf = io.BytesIO()
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| | fig.savefig(buf, format='png', dpi=300, bbox_inches='tight')
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| | buf.seek(0)
|
| | return buf.getvalue()
|
| | except Exception as e:
|
| | logger.error(f"Error en fig_to_bytes: {str(e)}")
|
| | return None
|
| |
|
| |
|
| | def perform_semantic_analysis(text, nlp, lang_code):
|
| | """
|
| | Realiza el análisis semántico completo del texto.
|
| | """
|
| | if not text or not nlp or not lang_code:
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| | logger.error("Parámetros inválidos para el análisis semántico")
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| | return {
|
| | 'success': False,
|
| | 'error': 'Parámetros inválidos'
|
| | }
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| |
|
| | try:
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| | logger.info(f"Starting semantic analysis for language: {lang_code}")
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| |
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| |
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| | doc = nlp(text)
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| | if not doc:
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| | logger.error("Error al procesar el texto con spaCy")
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| | return {
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| | 'success': False,
|
| | 'error': 'Error al procesar el texto'
|
| | }
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| |
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| |
|
| | logger.info("Identificando conceptos clave...")
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| | stopwords = get_custom_stopwords(lang_code)
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| | key_concepts = identify_key_concepts(doc, stopwords=stopwords)
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| |
|
| | if not key_concepts:
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| | logger.warning("No se identificaron conceptos clave")
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| | return {
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| | 'success': False,
|
| | 'error': 'No se pudieron identificar conceptos clave'
|
| | }
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| |
|
| |
|
| | logger.info(f"Creando grafo de conceptos con {len(key_concepts)} conceptos...")
|
| | concept_graph = create_concept_graph(doc, key_concepts)
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| |
|
| | if not concept_graph.nodes():
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| | logger.warning("Se creó un grafo vacío")
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| | return {
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| | 'success': False,
|
| | 'error': 'No se pudo crear el grafo de conceptos'
|
| | }
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| |
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| |
|
| | logger.info("Visualizando grafo...")
|
| | plt.clf()
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| | concept_graph_fig = visualize_concept_graph(concept_graph, lang_code)
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| |
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| |
|
| | logger.info("Convirtiendo grafo a bytes...")
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| | graph_bytes = fig_to_bytes(concept_graph_fig)
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| |
|
| | if not graph_bytes:
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| | logger.error("Error al convertir grafo a bytes")
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| | return {
|
| | 'success': False,
|
| | 'error': 'Error al generar visualización'
|
| | }
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| |
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| |
|
| | plt.close(concept_graph_fig)
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| | plt.close('all')
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| |
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| | result = {
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| | 'success': True,
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| | 'key_concepts': key_concepts,
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| | 'concept_graph': graph_bytes
|
| | }
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| |
|
| | logger.info("Análisis semántico completado exitosamente")
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| | return result
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| |
|
| | except Exception as e:
|
| | logger.error(f"Error in perform_semantic_analysis: {str(e)}")
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| | plt.close('all')
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| | return {
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| | 'success': False,
|
| | 'error': str(e)
|
| | }
|
| | finally:
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| | plt.close('all')
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| |
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| |
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| |
|
| | def identify_key_concepts(doc, stopwords, min_freq=2, min_length=3):
|
| | """
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| | Identifica conceptos clave en el texto, excluyendo entidades nombradas.
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| | Args:
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| | doc: Documento procesado por spaCy
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| | stopwords: Lista de stopwords
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| | min_freq: Frecuencia mínima para considerar un concepto
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| | min_length: Longitud mínima del concepto
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| | Returns:
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| | List[Tuple[str, int]]: Lista de tuplas (concepto, frecuencia)
|
| | """
|
| | try:
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| | word_freq = Counter()
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| |
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| |
|
| | entity_tokens = set()
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| | for ent in doc.ents:
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| | entity_tokens.update(token.i for token in ent)
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| |
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| |
|
| | for token in doc:
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| |
|
| | if (token.i not in entity_tokens and
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| | token.lemma_.lower() not in stopwords and
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| | len(token.lemma_) >= min_length and
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| | token.is_alpha and
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| | not token.is_punct and
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| | not token.like_num and
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| | not token.is_space and
|
| | not token.is_stop and
|
| | not token.pos_ == 'PROPN' and
|
| | not token.pos_ == 'SYM' and
|
| | not token.pos_ == 'NUM' and
|
| | not token.pos_ == 'X'):
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| |
|
| |
|
| | word_freq[token.lemma_.lower()] += 1
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| |
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| |
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| | concepts = [(word, freq) for word, freq in word_freq.items()
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| | if freq >= min_freq]
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| | concepts.sort(key=lambda x: x[1], reverse=True)
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| |
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| | logger.info(f"Identified {len(concepts)} key concepts after excluding entities")
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| | return concepts[:10]
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| |
|
| | except Exception as e:
|
| | logger.error(f"Error en identify_key_concepts: {str(e)}")
|
| | return []
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| |
|
| |
|
| |
|
| | def create_concept_graph(doc, key_concepts):
|
| | """
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| | Crea un grafo de relaciones entre conceptos, ignorando entidades.
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| | Args:
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| | doc: Documento procesado por spaCy
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| | key_concepts: Lista de tuplas (concepto, frecuencia)
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| | Returns:
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| | nx.Graph: Grafo de conceptos
|
| | """
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| | try:
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| | G = nx.Graph()
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| |
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| |
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| | concept_words = {concept[0].lower() for concept in key_concepts}
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| |
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| |
|
| | entity_tokens = set()
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| | for ent in doc.ents:
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| | entity_tokens.update(token.i for token in ent)
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| |
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| |
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| | for concept, freq in key_concepts:
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| | G.add_node(concept.lower(), weight=freq)
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| |
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| |
|
| | for sent in doc.sents:
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| |
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| | current_concepts = []
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| | for token in sent:
|
| | if (token.i not in entity_tokens and
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| | token.lemma_.lower() in concept_words):
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| | current_concepts.append(token.lemma_.lower())
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| |
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| |
|
| | for i, concept1 in enumerate(current_concepts):
|
| | for concept2 in current_concepts[i+1:]:
|
| | if concept1 != concept2:
|
| | if G.has_edge(concept1, concept2):
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| | G[concept1][concept2]['weight'] += 1
|
| | else:
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| | G.add_edge(concept1, concept2, weight=1)
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| |
|
| | return G
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| |
|
| | except Exception as e:
|
| | logger.error(f"Error en create_concept_graph: {str(e)}")
|
| | return nx.Graph()
|
| |
|
| |
|
| |
|
| | def visualize_concept_graph(G, lang_code):
|
| | try:
|
| |
|
| | GRAPH_LABELS = {
|
| | 'es': {
|
| | 'concept_network': 'Relaciones entre conceptos clave',
|
| | 'concept_centrality': 'Centralidad de conceptos clave'
|
| | },
|
| | 'en': {
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| | 'concept_network': 'Relationships between key concepts',
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| | 'concept_centrality': 'Concept centrality'
|
| | },
|
| | 'fr': {
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| | 'concept_network': 'Relations entre concepts clés',
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| | 'concept_centrality': 'Centralité des concepts'
|
| | },
|
| | 'pt': {
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| | 'concept_network': 'Relações entre conceitos-chave',
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| | 'concept_centrality': 'Centralidade dos conceitos'
|
| | }
|
| | }
|
| |
|
| |
|
| | translations = GRAPH_LABELS.get(lang_code, GRAPH_LABELS['en'])
|
| |
|
| |
|
| | fig, ax = plt.subplots(figsize=(15, 10))
|
| |
|
| | if not G.nodes():
|
| | logger.warning("Grafo vacío, retornando figura vacía")
|
| | return fig
|
| |
|
| |
|
| | DG = nx.DiGraph(G)
|
| | centrality = nx.degree_centrality(G)
|
| |
|
| |
|
| | pos = nx.spring_layout(DG, k=2, iterations=50, seed=42)
|
| |
|
| |
|
| | num_nodes = len(DG.nodes())
|
| | scale_factor = 1000 if num_nodes < 10 else 500 if num_nodes < 20 else 200
|
| | node_sizes = [DG.nodes[node].get('weight', 1) * scale_factor for node in DG.nodes()]
|
| | edge_widths = [DG[u][v].get('weight', 1) for u, v in DG.edges()]
|
| | node_colors = [plt.cm.viridis(centrality[node]) for node in DG.nodes()]
|
| |
|
| |
|
| | nx.draw_networkx_nodes(
|
| | DG, pos,
|
| | node_size=node_sizes,
|
| | node_color=node_colors,
|
| | alpha=0.7,
|
| | ax=ax
|
| | )
|
| |
|
| | nx.draw_networkx_edges(
|
| | DG, pos,
|
| | width=edge_widths,
|
| | alpha=0.6,
|
| | edge_color='gray',
|
| | arrows=True,
|
| | arrowsize=20,
|
| | arrowstyle='->',
|
| | connectionstyle='arc3,rad=0.2',
|
| | ax=ax
|
| | )
|
| |
|
| |
|
| | font_size = 12 if num_nodes < 10 else 10 if num_nodes < 20 else 8
|
| | nx.draw_networkx_labels(
|
| | DG, pos,
|
| | font_size=font_size,
|
| | font_weight='bold',
|
| | bbox=dict(facecolor='white', edgecolor='none', alpha=0.7),
|
| | ax=ax
|
| | )
|
| |
|
| |
|
| | sm = plt.cm.ScalarMappable(
|
| | cmap=plt.cm.viridis,
|
| | norm=plt.Normalize(vmin=0, vmax=1)
|
| | )
|
| | sm.set_array([])
|
| | plt.colorbar(sm, ax=ax, label=translations['concept_centrality'])
|
| |
|
| |
|
| | plt.title(translations['concept_network'], pad=20, fontsize=14)
|
| | ax.set_axis_off()
|
| | plt.tight_layout()
|
| |
|
| | return fig
|
| |
|
| | except Exception as e:
|
| | logger.error(f"Error en visualize_concept_graph: {str(e)}")
|
| | return plt.figure()
|
| |
|
| |
|
| | def create_entity_graph(entities):
|
| | G = nx.Graph()
|
| | for entity_type, entity_list in entities.items():
|
| | for entity in entity_list:
|
| | G.add_node(entity, type=entity_type)
|
| | for i, entity1 in enumerate(entity_list):
|
| | for entity2 in entity_list[i+1:]:
|
| | G.add_edge(entity1, entity2)
|
| | return G
|
| |
|
| |
|
| |
|
| | def visualize_entity_graph(G, lang_code):
|
| | fig, ax = plt.subplots(figsize=(12, 8))
|
| | pos = nx.spring_layout(G)
|
| | for entity_type, color in ENTITY_LABELS[lang_code].items():
|
| | node_list = [node for node, data in G.nodes(data=True) if data['type'] == entity_type]
|
| | nx.draw_networkx_nodes(G, pos, nodelist=node_list, node_color=color, node_size=500, alpha=0.8, ax=ax)
|
| | nx.draw_networkx_edges(G, pos, width=1, alpha=0.5, ax=ax)
|
| | nx.draw_networkx_labels(G, pos, font_size=8, font_weight="bold", ax=ax)
|
| | ax.set_title(f"Relaciones entre Entidades ({lang_code})", fontsize=16)
|
| | ax.axis('off')
|
| | plt.tight_layout()
|
| | return fig
|
| |
|
| |
|
| |
|
| | def create_topic_graph(topics, doc):
|
| | G = nx.Graph()
|
| | for topic in topics:
|
| | G.add_node(topic, weight=doc.text.count(topic))
|
| | for i, topic1 in enumerate(topics):
|
| | for topic2 in topics[i+1:]:
|
| | weight = sum(1 for sent in doc.sents if topic1 in sent.text and topic2 in sent.text)
|
| | if weight > 0:
|
| | G.add_edge(topic1, topic2, weight=weight)
|
| | return G
|
| |
|
| | def visualize_topic_graph(G, lang_code):
|
| | fig, ax = plt.subplots(figsize=(12, 8))
|
| | pos = nx.spring_layout(G)
|
| | node_sizes = [G.nodes[node]['weight'] * 100 for node in G.nodes()]
|
| | nx.draw_networkx_nodes(G, pos, node_size=node_sizes, node_color='lightgreen', alpha=0.8, ax=ax)
|
| | nx.draw_networkx_labels(G, pos, font_size=10, font_weight="bold", ax=ax)
|
| | edge_weights = [G[u][v]['weight'] for u, v in G.edges()]
|
| | nx.draw_networkx_edges(G, pos, width=edge_weights, alpha=0.5, ax=ax)
|
| | ax.set_title(f"Relaciones entre Temas ({lang_code})", fontsize=16)
|
| | ax.axis('off')
|
| | plt.tight_layout()
|
| | return fig
|
| |
|
| |
|
| | def generate_summary(doc, lang_code):
|
| | sentences = list(doc.sents)
|
| | summary = sentences[:3]
|
| | return " ".join([sent.text for sent in summary])
|
| |
|
| | def extract_entities(doc, lang_code):
|
| | entities = defaultdict(list)
|
| | for ent in doc.ents:
|
| | if ent.label_ in ENTITY_LABELS[lang_code]:
|
| | entities[ent.label_].append(ent.text)
|
| | return dict(entities)
|
| |
|
| | def analyze_sentiment(doc, lang_code):
|
| | positive_words = sum(1 for token in doc if token.sentiment > 0)
|
| | negative_words = sum(1 for token in doc if token.sentiment < 0)
|
| | total_words = len(doc)
|
| | if positive_words > negative_words:
|
| | return "Positivo"
|
| | elif negative_words > positive_words:
|
| | return "Negativo"
|
| | else:
|
| | return "Neutral"
|
| |
|
| | def extract_topics(doc, lang_code):
|
| | vectorizer = TfidfVectorizer(stop_words='english', max_features=5)
|
| | tfidf_matrix = vectorizer.fit_transform([doc.text])
|
| | feature_names = vectorizer.get_feature_names_out()
|
| | return list(feature_names)
|
| |
|
| |
|
| | __all__ = [
|
| | 'perform_semantic_analysis',
|
| | 'identify_key_concepts',
|
| | 'create_concept_graph',
|
| | 'visualize_concept_graph',
|
| | 'fig_to_bytes',
|
| | 'ENTITY_LABELS',
|
| | 'POS_COLORS',
|
| | 'POS_TRANSLATIONS'
|
| | ] |