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app.py
CHANGED
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@@ -10,16 +10,15 @@ import gradio as gr
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# =================== CONFIGURATION ===================
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MODEL_ID = "abdelac/Mistral_Test"
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USE_QUANTIZATION = True
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# =================== QUANTIZATION SETUP ===================
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if USE_QUANTIZATION:
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bnb_config = BitsAndBytesConfig(
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load_in_4bit=True,
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bnb_4bit_quant_type="nf4",
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bnb_4bit_compute_dtype=torch.float16,
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bnb_4bit_use_double_quant=True,
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llm_int8_enable_fp32_cpu_offload=True # Offload to CPU if needed
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)
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else:
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bnb_config = None
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@@ -33,7 +32,7 @@ def load_model():
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# Load tokenizer
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tokenizer = AutoTokenizer.from_pretrained(MODEL_ID)
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# Configure model loading
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load_kwargs = {
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"torch_dtype": torch.float16,
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"device_map": "auto",
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@@ -42,10 +41,10 @@ def load_model():
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if USE_QUANTIZATION:
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load_kwargs["quantization_config"] = bnb_config
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print("✅ Using 4-bit quantization
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else:
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load_kwargs["device_map"] = "cpu"
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print("⚠️ Using CPU only
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# Load model
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model = AutoModelForCausalLM.from_pretrained(
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@@ -53,20 +52,20 @@ def load_model():
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**load_kwargs
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)
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# Set padding token
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if tokenizer.pad_token is None:
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tokenizer.pad_token = tokenizer.eos_token
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print("✅ Model loaded
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return tokenizer, model
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# ===================
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def generate_text(prompt, max_tokens=100, temperature=0.7):
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"""Generate text with memory constraints"""
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try:
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tokenizer, model = load_model()
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# Tokenize
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inputs = tokenizer(
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prompt,
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return_tensors="pt",
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@@ -74,82 +73,33 @@ def generate_text(prompt, max_tokens=100, temperature=0.7):
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max_length=512
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).to(model.device)
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# Generate
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with torch.no_grad():
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outputs = model.generate(
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**inputs,
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max_new_tokens=min(max_tokens, 150),
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temperature=temperature,
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do_sample=True,
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pad_token_id=tokenizer.eos_token_id,
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repetition_penalty=1.1, # Prevent repetition
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no_repeat_ngram_size=2,
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early_stopping=True
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)
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result = tokenizer.decode(outputs[0], skip_special_tokens=True)
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return result
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except torch.cuda.OutOfMemoryError:
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return "❌ Out of memory! Try reducing max tokens or using CPU mode."
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except Exception as e:
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return f"❌ Error: {str(e)}"
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# ===================
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def create_interface():
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""
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title="🦅 Mistral Test Demo",
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theme=gr.themes.Soft()
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) as demo:
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gr.
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⚠️ **Note:** Mistral 7B requires quantization to run in 16GB RAM
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""")
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with gr.Row():
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prompt = gr.Textbox(
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label="Prompt",
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placeholder="Enter your text...",
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lines=3,
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value="What is artificial intelligence?"
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)
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with gr.Row():
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max_tokens = gr.Slider(
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30, 150, value=80, # Reduced max for memory
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label="Max Tokens",
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info="Higher values use more memory"
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)
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temperature = gr.Slider(
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0.1, 1.0, value=0.7,
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label="Temperature"
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)
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generate_btn = gr.Button("Generate", variant="primary", size="lg")
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output = gr.Textbox(
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label="Generated Text",
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lines=8,
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show_copy_button=True
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)
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# Memory warning
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gr.Markdown("""
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### 💡 Memory Optimization Tips:
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1. **Max Tokens ≤ 100** for best results
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2. **Temperature ~0.7** for balanced output
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3. If OOM occurs, refresh the page
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4. Close other tabs/applications
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""")
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# Connect button
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generate_btn.click(
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fn=generate_text,
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inputs=[prompt, max_tokens, temperature],
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@@ -160,17 +110,10 @@ def create_interface():
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# =================== MAIN ===================
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if __name__ == "__main__":
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# Suppress warnings
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warnings.filterwarnings("ignore")
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os.environ["TF_CPP_MIN_LOG_LEVEL"] = "3"
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# Create and launch
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demo = create_interface()
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demo.launch(
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server_name="0.0.0.0",
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server_port=7860,
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quiet=True,
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debug=False,
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show_error=True
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)
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# =================== CONFIGURATION ===================
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MODEL_ID = "abdelac/Mistral_Test"
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USE_QUANTIZATION = True
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# =================== QUANTIZATION SETUP ===================
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if USE_QUANTIZATION:
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bnb_config = BitsAndBytesConfig(
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load_in_4bit=True,
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bnb_4bit_quant_type="nf4",
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bnb_4bit_compute_dtype=torch.float16,
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bnb_4bit_use_double_quant=True,
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)
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else:
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bnb_config = None
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# Load tokenizer
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tokenizer = AutoTokenizer.from_pretrained(MODEL_ID)
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# Configure model loading
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load_kwargs = {
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"torch_dtype": torch.float16,
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"device_map": "auto",
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if USE_QUANTIZATION:
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load_kwargs["quantization_config"] = bnb_config
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print("✅ Using 4-bit quantization")
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else:
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load_kwargs["device_map"] = "cpu"
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print("⚠️ Using CPU only")
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# Load model
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model = AutoModelForCausalLM.from_pretrained(
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**load_kwargs
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)
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# Set padding token
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if tokenizer.pad_token is None:
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tokenizer.pad_token = tokenizer.eos_token
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print("✅ Model loaded!")
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return tokenizer, model
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# =================== GENERATION FUNCTION ===================
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def generate_text(prompt, max_tokens=100, temperature=0.7):
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"""Generate text with memory constraints"""
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try:
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tokenizer, model = load_model()
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# Tokenize
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inputs = tokenizer(
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prompt,
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return_tensors="pt",
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max_length=512
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).to(model.device)
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# Generate
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with torch.no_grad():
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outputs = model.generate(
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**inputs,
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max_new_tokens=min(max_tokens, 150),
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temperature=temperature,
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do_sample=True,
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pad_token_id=tokenizer.eos_token_id,
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)
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return tokenizer.decode(outputs[0], skip_special_tokens=True)
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except Exception as e:
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return f"❌ Error: {str(e)}"
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# =================== SIMPLE INTERFACE ===================
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def create_interface():
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with gr.Blocks(title="Mistral Demo") as demo:
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gr.Markdown(f"# 🦅 {MODEL_ID}")
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prompt = gr.Textbox(label="Prompt", lines=3, value="Hello")
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max_tokens = gr.Slider(30, 150, value=80, label="Max Tokens")
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temperature = gr.Slider(0.1, 1.0, value=0.7, label="Temperature")
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generate_btn = gr.Button("Generate", variant="primary")
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output = gr.Textbox(label="Output", lines=6)
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generate_btn.click(
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fn=generate_text,
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inputs=[prompt, max_tokens, temperature],
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# =================== MAIN ===================
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if __name__ == "__main__":
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warnings.filterwarnings("ignore")
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demo = create_interface()
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demo.launch(
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server_name="0.0.0.0",
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server_port=7860,
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quiet=True
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)
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