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| import os | |
| import re | |
| import requests | |
| import json | |
| import numpy as np | |
| import pandas as pd | |
| from bs4 import BeautifulSoup | |
| from database import execute_query | |
| from aksharamukha import transliterate | |
| from sentence_transformers import util | |
| from llama_index.embeddings.nomic import NomicEmbedding | |
| nomic_api_key = os.getenv('NOMIC_API_KEY') | |
| #nomic embed model used for similarity scores | |
| nomic_embed_model = NomicEmbedding( | |
| api_key=nomic_api_key, | |
| dimensionality=128, | |
| model_name="nomic-embed-text-v1.5", | |
| ) | |
| def get_list_meaning_word(word): | |
| pada_meanings = {'pada': word, | |
| 'Monier-Williams Sanskrit-English Dictionary (1899)': [], | |
| 'Shabda-Sagara (1900)': [], | |
| 'Apte-Practical Sanskrit-English Dictionary (1890)': [], | |
| } | |
| url = f"https://ambuda.org/tools/dictionaries/mw,shabdasagara,apte/{word}" | |
| try: | |
| # Fetch HTML content | |
| response = requests.get(url) | |
| response.raise_for_status() | |
| # Parse HTML with BeautifulSoup | |
| soup = BeautifulSoup(response.text, 'html.parser') | |
| # Extracting text from different tags | |
| divs = soup.find_all('div', class_='my-4', attrs={'x-show': 'show'}) | |
| try: | |
| # Find all list items <li> within the specified <ul> tag | |
| div_items_0 = divs[0].find('ul').find_all('li', class_='dict-entry mw-entry') | |
| # Print the text content of each list item | |
| dive_text_0 = [li_tag.get_text(strip=True) for li_tag in div_items_0] | |
| text_0_trans = [transliterate.process(src='Devanagari', tgt='IAST', txt=text) for text in dive_text_0] | |
| pada_meanings['Monier-Williams Sanskrit-English Dictionary (1899)'] = text_0_trans | |
| except : | |
| print("Error: Unable to find Monier-Williams Sanskrit-English Dictionary (1899) data.") | |
| try: | |
| div_items_1 = divs[1].find_all('div') | |
| dive_text_1 = [item.get_text(strip=True) for item in div_items_1] | |
| text_1_trans = [transliterate.process(src='Devanagari', tgt='IAST', txt=text) for text in dive_text_1] | |
| pada_meanings['Shabda-Sagara (1900)'] = text_1_trans | |
| except : | |
| print("Error: Unable to find Shabda-Sagara (1900) data.") | |
| try: | |
| apte_meanings = [] | |
| for tag in divs[2].find_all('b'): | |
| if tag.text.strip() != '—': | |
| text1 = tag.text.strip() # English text within <b> tag | |
| sibling = tag.find_next_sibling() # Text following <b> tag | |
| text2 = tag.next_sibling.strip() + ' ' # English text following <b> tag | |
| while sibling.name != 'div': | |
| if sibling.name is None: # Handling non-tag text | |
| text2 += " " | |
| elif sibling.name == 'span': # Handling <b> tag | |
| IAST_text = transliterate.process(src='Devanagari', tgt='IAST', txt=sibling.text.strip()) | |
| text2 += IAST_text + ' ' + sibling.next_sibling.strip() | |
| else: | |
| text2 += sibling.text.strip() + ' ' + sibling.next_sibling.strip() | |
| sibling = sibling.find_next_sibling() | |
| apte_meanings.append(text2) | |
| pada_meanings['Apte-Practical Sanskrit-English Dictionary (1890)'] = apte_meanings[:-1] | |
| except: | |
| print("Error: Unable to find Apte-Practical Sanskrit-English Dictionary (1890) data.") | |
| except requests.exceptions.RequestException as e: | |
| print(f"Error: Failed to fetch data from {url}. {e}") | |
| return pada_meanings | |
| #get similarity scores | |
| def word_sentence_similarity(meanings, root_stem_word): | |
| # Check if the word embeddings are not empty | |
| if not meanings or not root_stem_word: | |
| return None | |
| meaning_embedding = np.array(nomic_embed_model.get_text_embedding(meanings)) | |
| all_meanings = [] | |
| word_score_pair = [] | |
| all_meanings.extend(get_list_meaning_word(root_stem_word)['Monier-Williams Sanskrit-English Dictionary (1899)']) | |
| all_meanings.extend(get_list_meaning_word(root_stem_word)['Shabda-Sagara (1900)']) | |
| for word_meaning in all_meanings: | |
| root_stem_word_meaning_embedding = np.array(nomic_embed_model.get_text_embedding(word_meaning)) | |
| # Calculate cosine similarity | |
| similarity_score = util.pytorch_cos_sim(meaning_embedding, root_stem_word_meaning_embedding).item() | |
| word_score_pair.append((word_meaning,similarity_score)) | |
| # Sort the list in descending order based on similarity scores | |
| sorted_word_score_pairs = sorted(word_score_pair, key=lambda x: x[1], reverse=True) | |
| return sorted_word_score_pairs | |
| #extract the adhibautic meaning of the mantra from the vedamantra | |
| def extract_meaning_by_language(data_list, target_language='English'): | |
| for data_dict in data_list: | |
| if data_dict.get('languageName') == target_language: | |
| return data_dict.get('mahatma', {}) | |
| return None | |
| #mantra_json_details | |
| def get_details_mantra_json(query): | |
| description, data = execute_query(query) | |
| df = pd.DataFrame(data) | |
| df.columns = [x[0] for x in description] | |
| mantra_json = df['mantra_json'].values[0] | |
| cleaned_data = re.sub('<[^<]+?>', '', mantra_json) | |
| return json.loads(cleaned_data) | |
| def iast_process(input_text): | |
| output_text = re.sub('[\u0951-\u0954,\u200d,\u0331]', '', input_text) | |
| return output_text |