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Update app.py
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app.py
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@@ -1,20 +1,17 @@
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import os
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from threading import Thread
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from typing import Iterator
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import gradio as gr
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import torch
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from transformers import AutoModelForCausalLM, AutoTokenizer, TextIteratorStreamer
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DESCRIPTION = """\
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# Qwen 0.5B Text Completion
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This is a demo of [`Qwen/Qwen2-0.5B-Instruct`](https://huggingface.co/Qwen/Qwen2-0.5B-Instruct), a lightweight language model fine-tuned for instruction following.
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"""
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MAX_MAX_NEW_TOKENS = 2048
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@@ -31,6 +28,8 @@ model = AutoModelForCausalLM.from_pretrained(
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torch_dtype=torch.bfloat16,
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)
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model.eval()
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def generate(
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message: str,
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max_new_tokens: int = 1024,
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streamer = TextIteratorStreamer(tokenizer, timeout=20.0, skip_prompt=True, skip_special_tokens=True)
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generate_kwargs = dict(
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streamer=streamer,
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max_new_tokens=max_new_tokens,
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do_sample=True,
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t = Thread(target=model.generate, kwargs=generate_kwargs)
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t.start()
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for text in streamer:
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yield
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with gr.Blocks(css="style.css", fill_height=True) as demo:
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)
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with gr.Column(scale=1):
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max_new_tokens = gr.Slider(
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label="Max new tokens",
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minimum=1,
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maximum=MAX_MAX_NEW_TOKENS,
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step=1,
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value=DEFAULT_MAX_NEW_TOKENS,
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)
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temperature = gr.Slider(
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label="Temperature",
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minimum=0.1,
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maximum=4.0,
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step=0.1,
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value=0.6,
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)
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top_p = gr.Slider(
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label="Top-p (nucleus sampling)",
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minimum=0.05,
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maximum=1.0,
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step=0.05,
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value=0.9,
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)
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top_k = gr.Slider(
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label="Top-k",
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minimum=1,
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maximum=1000,
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step=1,
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value=50,
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)
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repetition_penalty = gr.Slider(
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label="Repetition penalty",
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minimum=1.0,
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maximum=2.0,
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step=0.05,
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value=1.2,
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)
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with gr.Row():
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complete_btn = gr.Button("Complete")
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stop_btn = gr.Button("Stop Generation")
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stop_click = stop_btn.click(fn=None, cancels=[complete_btn.click])
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complete_btn.click(
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fn=generate,
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inputs=[
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text_box,
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max_new_tokens,
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temperature,
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top_p,
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top_k,
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repetition_penalty
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],
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outputs=text_box
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)
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import os
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from threading import Thread
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from typing import Iterator
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import gradio as gr
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import spaces
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import torch
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from transformers import AutoModelForCausalLM, AutoTokenizer, TextIteratorStreamer
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DESCRIPTION = """\
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# Qwen2 0.5B Instruct Text Completion
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This is a demo of [`Qwen/Qwen2-0.5B-Instruct`](https://huggingface.co/Qwen/Qwen2-0.5B-Instruct), fine-tuned for instruction following.
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Enter your text in the box below and click "Complete" to have the AI generate a completion for your input. The generated text will be appended to your input. You can stop the generation at any time by clicking the "Stop" button.
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"""
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MAX_MAX_NEW_TOKENS = 2048
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torch_dtype=torch.bfloat16,
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)
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model.eval()
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@spaces.GPU(duration=90)
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def generate(
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message: str,
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max_new_tokens: int = 1024,
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streamer = TextIteratorStreamer(tokenizer, timeout=20.0, skip_prompt=True, skip_special_tokens=True)
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generate_kwargs = dict(
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input_ids=input_ids,
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streamer=streamer,
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max_new_tokens=max_new_tokens,
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do_sample=True,
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t = Thread(target=model.generate, kwargs=generate_kwargs)
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t.start()
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partial_message = message
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for text in streamer:
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partial_message += text
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yield partial_message
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with gr.Blocks(css="style.css", fill_height=True) as demo:
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gr.Markdown(DESCRIPTION)
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gr.DuplicateButton(value="Duplicate Space for private use", elem_id="duplicate-button")
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with gr.Row():
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with gr.Column(scale=4):
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text_box = gr.Textbox(
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label="Enter your text",
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placeholder="Type your message here...",
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lines=5
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)
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with gr.Column(scale=1):
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complete_button = gr.Button("Complete")
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stop_button = gr.Button("Stop")
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max_new_tokens = gr.Slider(
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label="Max new tokens",
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minimum=1,
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maximum=MAX_MAX_NEW_TOKENS,
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step=1,
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value=DEFAULT_MAX_NEW_TOKENS,
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)
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temperature = gr.Slider(
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label="Temperature",
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minimum=0.1,
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maximum=4.0,
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step=0.1,
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value=0.6,
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)
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top_p = gr.Slider(
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label="Top-p (nucleus sampling)",
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minimum=0.05,
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maximum=1.0,
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step=0.05,
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value=0.9,
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)
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top_k = gr.Slider(
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label="Top-k",
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minimum=1,
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maximum=1000,
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step=1,
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value=50,
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)
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repetition_penalty = gr.Slider(
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label="Repetition penalty",
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minimum=1.0,
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maximum=2.0,
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step=0.05,
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value=1.2,
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)
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complete_button.click(
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generate,
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inputs=[text_box, max_new_tokens, temperature, top_p, top_k, repetition_penalty],
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outputs=[text_box],
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)
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stop_button.click(
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None,
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None,
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None,
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cancels=[complete_button.click]
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)
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if __name__ == "__main__":
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demo.queue(max_size=20).launch()
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