import os import gdown as gdown import nltk import streamlit as st import torch from transformers import AutoTokenizer from mt5 import MT5 def download_models(ids): """ Download all models. :param ids: name and links of models :return: """ # Download sentence tokenizer nltk.download('punkt') # Download model from drive if not stored locally for key in ids: if not os.path.isfile(f"model/{key}.ckpt"): url = f"https://drive.google.com/u/0/uc?id={ids[key]}" gdown.download(url=url, output=f"model/{key}.ckpt") @st.cache(allow_output_mutation=True) def load_model(model_path): """ Load model and cache it. :param model_path: path to model :return: """ device = 'cuda' if torch.cuda.is_available() else 'cpu' # Loading model and tokenizer model = MT5.load_from_checkpoint(model_path).eval().to(device) model.tokenizer = AutoTokenizer.from_pretrained('tokenizer') return model # Page config st.set_page_config(layout="centered") st.title("Questions/Answers Pairs Gen.") st.write("Question Generation, Question Answering and Questions/Answers Generation using Google MT5. ") # Variables ids = {'mt5-small': st.secrets['small'], 'mt5-base': st.secrets['base']} maintenance = True if maintenance: st.write("Unavailable for now (maintenance). ") else: # Download all models from drive download_models(ids) # Task selection left, right = st.columns([4, 2]) task = left.selectbox('Choose the task: ', options=['Questions/Answers Pairs Generation', 'Question Answering', 'Question Generation'], help='Choose the task you want to try out') # Model selection model_path = right.selectbox('', options=[k for k in ids], index=1, help='Model to use. ') model = load_model(model_path=f"model/{model_path}.ckpt") right.write(model.device) if task == 'Questions/Answers Pairs Generation': # Input area inputs = st.text_area('Context:', value="A few years after the First Crusade, in 1107, the Normans under " "the command of Bohemond, Robert\'s son, landed in Valona and " "besieged Dyrrachium using the most sophisticated military " "equipment of the time, but to no avail. Meanwhile, they occupied " "Petrela, the citadel of Mili at the banks of the river Deabolis, " "Gllavenica (Ballsh), Kanina and Jericho. This time, " "the Albanians sided with the Normans, dissatisfied by the heavy " "taxes the Byzantines had imposed upon them. With their help, " "the Normans secured the Arbanon passes and opened their way to " "Dibra. The lack of supplies, disease and Byzantine resistance " "forced Bohemond to retreat from his campaign and sign a peace " "treaty with the Byzantines in the city of Deabolis. ", max_chars=2048, height=250) split = st.checkbox('Split into sentences', value=True) if split: # Split into sentences sent_tokenized = nltk.sent_tokenize(inputs) res = {} with st.spinner('Please wait while the inputs are being processed...'): # Iterate over sentences for sentence in sent_tokenized: predictions = model.multitask([sentence], max_length=512) questions, answers, answers_bis = predictions['questions'], predictions['answers'], predictions[ 'answers_bis'] # Build answer dict content = {} for question, answer, answer_bis in zip(questions[0], answers[0], answers_bis[0]): content[question] = {'answer (extracted)': answer, 'answer (generated)': answer_bis} res[sentence] = content # Answer area st.write(res) else: with st.spinner('Please wait while the inputs are being processed...'): # Prediction predictions = model.multitask([inputs], max_length=512) questions, answers, answers_bis = predictions['questions'], predictions['answers'], predictions[ 'answers_bis'] # Answer area zip = zip(questions[0], answers[0], answers_bis[0]) content = {} for question, answer, answer_bis in zip: content[question] = {'answer (extracted)': answer, 'answer (generated)': answer_bis} st.write(content) elif task == 'Question Answering': # Input area inputs = st.text_area('Context:', value="A few years after the First Crusade, in 1107, the Normans under " "the command of Bohemond, Robert\'s son, landed in Valona and " "besieged Dyrrachium using the most sophisticated military " "equipment of the time, but to no avail. Meanwhile, they occupied " "Petrela, the citadel of Mili at the banks of the river Deabolis, " "Gllavenica (Ballsh), Kanina and Jericho. This time, " "the Albanians sided with the Normans, dissatisfied by the heavy " "taxes the Byzantines had imposed upon them. With their help, " "the Normans secured the Arbanon passes and opened their way to " "Dibra. The lack of supplies, disease and Byzantine resistance " "forced Bohemond to retreat from his campaign and sign a peace " "treaty with the Byzantines in the city of Deabolis. ", max_chars=2048, height=250) question = st.text_input('Question:', value="What forced Bohemond to retreat from his campaign? ") # Prediction with st.spinner('Please wait while the inputs are being processed...'): predictions = model.qa([{'question': question, 'context': inputs}], max_length=512) answer = {question: predictions[0]} # Answer area st.write(answer) elif task == 'Question Generation': # Input area inputs = st.text_area('Context (highlight answers with tokens): ', value="A few years after the First Crusade, in 1107 , the Normans under " "the command of Bohemond , Robert\'s son, landed in Valona and " "besieged Dyrrachium using the most sophisticated military " "equipment of the time, but to no avail. Meanwhile, they occupied " "Petrela, the citadel of Mili at the banks of the river Deabolis, " "Gllavenica (Ballsh), Kanina and Jericho. This time, " "the Albanians sided with the Normans, dissatisfied by the heavy " "taxes the Byzantines had imposed upon them. With their help, " "the Normans secured the Arbanon passes and opened their way to " "Dibra. The lack of supplies, disease and Byzantine resistance " "forced Bohemond to retreat from his campaign and sign a peace " "treaty with the Byzantines in the city of Deabolis. ", max_chars=2048, height=250) # Split by highlights hl_index = [i for i in range(len(inputs)) if inputs.startswith('', i)] contexts = [] answers = [] # Build a context for each highlight pair for i in range(0, len(hl_index), 2): contexts.append(inputs[:hl_index[i]].replace('', '') + inputs[hl_index[i]: hl_index[i + 1] + 4] + inputs[hl_index[i + 1] + 4:].replace('', '')) answers.append(inputs[hl_index[i]: hl_index[i + 1] + 4].replace('', '').strip()) # Prediction with st.spinner('Please wait while the inputs are being processed...'): predictions = model.qg(contexts, max_length=512) # Answer area content = {} for pred, ans in zip(predictions, answers): content[pred] = ans st.write(content)