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