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import gradio as gr
import os
import torch
import numpy as np
from transformers import AutoModelForSequenceClassification
from transformers import AutoTokenizer
from huggingface_hub import HfApi
from label_dicts import MANIFESTO_LABEL_NAMES
from .utils import is_disk_full, release_model
HF_TOKEN = os.environ["hf_read"]
languages = [
"Czech", "English", "French", "German", "Hungarian", "Polish", "Slovak"
]
domains = {
"parliamentary speech": "parlspeech",
}
SENTIMENT_LABEL_NAMES = {0: "Negative", 1: "No sentiment or Neutral sentiment", 2: "Positive"}
def build_huggingface_path(language: str):
if language == "Czech" or language == "Slovak":
return "visegradmedia-emotion/Emotion_RoBERTa_pooled_V4"
return "poltextlab/xlm-roberta-large-pooled-MORES"
def predict(text, model_id, tokenizer_id):
device = torch.device("cpu")
# Load JIT-traced model
jit_model_path = f"/data/jit_models/{model_id.replace('/', '_')}.pt"
model = torch.jit.load(jit_model_path).to(device)
model.eval()
# Load tokenizer (still regular HF)
tokenizer = AutoTokenizer.from_pretrained(tokenizer_id)
# Tokenize input
inputs = tokenizer(
text,
max_length=256,
truncation=True,
padding="do_not_pad",
return_tensors="pt"
)
inputs = {k: v.to(device) for k, v in inputs.items()}
with torch.no_grad():
output = model(inputs["input_ids"], inputs["attention_mask"])
print(output) # debug
logits = output["logits"]
release_model(model, model_id)
probs = torch.nn.functional.softmax(logits, dim=1).cpu().numpy().flatten()
predicted_class_id = probs.argmax()
predicted_class_id = {4: 2, 5: 1}.get(predicted_class_id, 0)
output_pred = SENTIMENT_LABEL_NAMES.get(predicted_class_id, predicted_class_id)
output_info = f'<p style="text-align: center; display: block">Prediction was made using the <a href="https://huggingface.co/{model_id}">{model_id}</a> model.</p>'
return output_pred, output_info
def predict_cap(text, language, domain):
model_id = build_huggingface_path(language)
tokenizer_id = "xlm-roberta-large"
if is_disk_full():
os.system('rm -rf /data/models*')
os.system('rm -r ~/.cache/huggingface/hub')
return predict(text, model_id, tokenizer_id)
demo = gr.Interface(
title="Sentiment (3) Babel Demo",
fn=predict_cap,
inputs=[gr.Textbox(lines=6, label="Input"),
gr.Dropdown(languages, label="Language", value=languages[1]),
gr.Dropdown(domains.keys(), label="Domain", value=list(domains.keys())[0])],
outputs=[gr.Label(num_top_classes=3, label="Output"), gr.Markdown()])
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