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portuguese-question-answering
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import gradio as gr
from transformers import AutoTokenizer, AutoModelForSequenceClassification
import torch
from collections import Counter

article_string = "Author: <a href=\"https://huggingface.co/ruanchaves\">Ruan Chaves Rodrigues</a>. Read more about our <a href=\"https://github.com/ruanchaves/evaluation-portuguese-language-models\">research on the evaluation of Portuguese language models</a>."

app_title = "Question Answering (Respostas a Perguntas)"

app_description = """
This app determines if an answer is appropriate for a question. You can either introduce your own sentences by filling in "Question" and "Answer" or click on one of the example pairs provided below.

(Este aplicativo determina se uma resposta é apropriada para uma pergunta. Você pode introduzir suas próprias frases preenchendo "Question" e "Answer" ou clicar em um dos exemplos de pares fornecidos abaixo.)
"""

app_examples = [
    ["Qual a montanha mais alta do mundo?", "Monte Everest é a montanha mais alta do mundo."],
    ["Quais as duas línguas mais faladas no mundo?", "Leonardo da Vinci pintou a Mona Lisa."],
    ["Qual a personagem mais famosa de Maurício de Sousa?", "A personagem mais famosa de Mauricio de Sousa é a Mônica."],
]

output_textbox_component_description = """
Output will appear here once the app has finished analyzing the answer.

(A saída aparecerá aqui assim que o aplicativo terminar de analisar a resposta.)
"""

output_json_component_description = { "breakdown": """
This box presents a detailed breakdown of the evaluation for each model.
""",
"detalhamento": """
(Esta caixa apresenta um detalhamento da avaliação para cada modelo.)
""" }

score_descriptions = {
    0: "Negative: The answer is not suitable for the provided question.", 
    1: "Positive: The answer is suitable for the provided question.",
}

score_descriptions_pt = {
     0: "(Negativo: A resposta não é adequada para a pergunta fornecida.)",
     1: "(Positivo: A resposta é adequada para a pergunta fornecida.)",
}

model_list = [
    "ruanchaves/mdeberta-v3-base-faquad-nli",
    "ruanchaves/bert-base-portuguese-cased-faquad-nli",
    "ruanchaves/bert-large-portuguese-cased-faquad-nli",
]

user_friendly_name = {
    "ruanchaves/mdeberta-v3-base-faquad-nli": "mDeBERTa-v3 (FaQuAD)",
    "ruanchaves/bert-base-portuguese-cased-faquad-nli": "BERTimbau base (FaQuAD)",
    "ruanchaves/bert-large-portuguese-cased-faquad-nli": "BERTimbau large (FaQuAD)",
}

model_array = []

for model_name in model_list:
    row = {}
    row["name"] = model_name
    row["tokenizer"] = AutoTokenizer.from_pretrained(model_name)
    row["model"] = AutoModelForSequenceClassification.from_pretrained(model_name)
    model_array.append(row)

def most_frequent(array):
    occurence_count = Counter(array)
    return occurence_count.most_common(1)[0][0]

def predict(s1, s2):
    scores = {}
    for row in model_array:
        name = user_friendly_name[row["name"]]
        tokenizer = row["tokenizer"]
        model = row["model"]
        model_input = tokenizer(*([s1], [s2]), padding=True, return_tensors="pt")
        with torch.no_grad():
            output = model(**model_input)
            score = output[0][0].argmax().item()
            scores[name] = score
    average_score = most_frequent(list(scores.values()))
    description = score_descriptions[average_score]
    description_pt = score_descriptions_pt[average_score]
    final_description = description + "\n \n" + description_pt

    for key, value in scores.items():
      scores[key] = score_descriptions[value]

    return final_description, scores


inputs = [
    gr.inputs.Textbox(label="Question"),
    gr.inputs.Textbox(label="Answer")
]

outputs = [
 gr.Textbox(label="Evaluation", value=output_textbox_component_description),
 gr.JSON(label="Results by model", value=output_json_component_description)
]


gr.Interface(fn=predict, inputs=inputs, outputs=outputs, title=app_title, 
             description=app_description,
             examples=app_examples,
             article = article_string).launch()