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Create app.py
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app.py
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import re
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import torch
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import gradio as gr
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from transformers import BertTokenizer, BertModel
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# Load tokenizer and model
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tokenizer = BertTokenizer.from_pretrained('bert-base-uncased')
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model = BertModel.from_pretrained('bert-base-uncased')
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def process_text(text):
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# Remove ASCII characters and lowercase
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cleaned = re.sub(r'[^\x00-\x7F]+', '', text).lower()
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# Tokenize
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inputs = tokenizer(cleaned, return_tensors="pt")
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tokens = tokenizer.convert_ids_to_tokens(inputs["input_ids"][0])
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# Get BERT embeddings
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with torch.no_grad():
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outputs = model(**inputs)
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embeddings = outputs.last_hidden_state.squeeze(0) # (seq_len, hidden_size)
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# Pair each token with its embedding (truncated for display)
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token_embeddings = []
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for token, emb in zip(tokens, embeddings):
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token_embeddings.append([token, str(emb[:5].tolist()) + '...']) # truncate vector for readability
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return token_embeddings
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# Gradio interface
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gr.Interface(
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fn=process_text,
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inputs=gr.Textbox(lines=4, placeholder="Enter text here..."),
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outputs=gr.Dataframe(headers=["Token", "Embedding (truncated)"]),
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title="BERT Tokenizer & Embeddings Viewer",
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description="Removes ASCII characters, lowercases text, tokenizes using BERT, and shows token embeddings."
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).launch()
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