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Upload app.py
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app.py
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import gradio as gr
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import torch
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from transformers import GPT2LMHeadModel, GPT2Tokenizer
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import os
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from huggingface_hub import login
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# Authenticate with Hugging Face
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def init_huggingface():
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try:
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# Get token from environment variable or use default
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hf_token = os.getenv('HUGGINGFACE_TOKEN')
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if hf_token:
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login(hf_token)
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print("Successfully logged in to Hugging Face")
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else:
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print("No Hugging Face token found, trying anonymous access")
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except Exception as e:
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print(f"Authentication error: {e}")
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# Load model and tokenizer
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def load_model():
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try:
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# Initialize Hugging Face authentication
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init_huggingface()
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print("Loading model...")
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# Try loading with auth token first
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model = GPT2LMHeadModel.from_pretrained(
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"aayushraina/gpt2shakespeare",
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local_files_only=False,
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trust_remote_code=True
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)
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print("Model loaded successfully!")
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print("Loading tokenizer...")
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# Use the base GPT-2 tokenizer
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tokenizer = GPT2Tokenizer.from_pretrained("gpt2")
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print("Tokenizer loaded successfully!")
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model.eval()
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return model, tokenizer
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except Exception as e:
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print(f"Error loading model or tokenizer: {e}")
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try:
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# Fallback to base GPT-2 if custom model fails
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print("Attempting to load base GPT-2 model as fallback...")
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model = GPT2LMHeadModel.from_pretrained("gpt2")
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tokenizer = GPT2Tokenizer.from_pretrained("gpt2")
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print("Fallback successful - loaded base GPT-2")
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return model, tokenizer
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except Exception as e:
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print(f"Fallback failed: {e}")
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return None, None
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# Rest of the code remains the same...
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