Upload generativetext.py

generativetext.py

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+#!/usr/bin/env python
+
+import os
+from collections.abc import Iterator
+from threading import Thread
+
+import gradio as gr
+import spaces
+import torch
+from transformers import AutoModelForCausalLM, AutoTokenizer, TextIteratorStreamer
+
+DESCRIPTION = "# 💬 Generative Text"
+
+if not torch.cuda.is_available():
+    DESCRIPTION += "\n<p>Running on CPU 🥶 This demo does not work on CPU.</p>"
+
+MAX_MAX_NEW_TOKENS = 2048
+DEFAULT_MAX_NEW_TOKENS = 1024
+MAX_INPUT_TOKEN_LENGTH = int(os.getenv("MAX_INPUT_TOKEN_LENGTH", "4096"))
+
+if torch.cuda.is_available():
+    model_id = "mistralai/Mistral-7B-Instruct-v0.3"
+    model = AutoModelForCausalLM.from_pretrained(model_id, torch_dtype=torch.float16, device_map="auto")
+    tokenizer = AutoTokenizer.from_pretrained(model_id)
+
+
+@spaces.GPU
+def generate(
+    message: str,
+    chat_history: list[dict],
+    max_new_tokens: int = 1024,
+    temperature: float = 0.6,
+    top_p: float = 0.9,
+    top_k: int = 50,
+    repetition_penalty: float = 1.2,
+) -> Iterator[str]:
+    conversation = [*chat_history, {"role": "user", "content": message}]
+
+    input_ids = tokenizer.apply_chat_template(conversation, return_tensors="pt")
+    if input_ids.shape[1] > MAX_INPUT_TOKEN_LENGTH:
+        input_ids = input_ids[:, -MAX_INPUT_TOKEN_LENGTH:]
+        gr.Warning(f"Trimmed input from conversation as it was longer than {MAX_INPUT_TOKEN_LENGTH} tokens.")
+    input_ids = input_ids.to(model.device)
+
+    streamer = TextIteratorStreamer(tokenizer, timeout=20.0, skip_prompt=True, skip_special_tokens=True)
+    generate_kwargs = dict(
+        {"input_ids": input_ids},
+        streamer=streamer,
+        max_new_tokens=max_new_tokens,
+        do_sample=True,
+        top_p=top_p,
+        top_k=top_k,
+        temperature=temperature,
+        num_beams=1,
+        repetition_penalty=repetition_penalty,
+    )
+    t = Thread(target=model.generate, kwargs=generate_kwargs)
+    t.start()
+
+    outputs = []
+    for text in streamer:
+        outputs.append(text)
+        yield "".join(outputs)
+
+
+demo = gr.ChatInterface(
+    fn=generate,
+    additional_inputs=[
+        gr.Slider(
+            label="Max new tokens",
+            minimum=1,
+            maximum=MAX_MAX_NEW_TOKENS,
+            step=1,
+            value=DEFAULT_MAX_NEW_TOKENS,
+        ),
+        gr.Slider(
+            label="Temperature",
+            minimum=0.1,
+            maximum=4.0,
+            step=0.1,
+            value=0.6,
+        ),
+        gr.Slider(
+            label="Top-p (nucleus sampling)",
+            minimum=0.05,
+            maximum=1.0,
+            step=0.05,
+            value=0.9,
+        ),
+        gr.Slider(
+            label="Top-k",
+            minimum=1,
+            maximum=1000,
+            step=1,
+            value=50,
+        ),
+        gr.Slider(
+            label="Repetition penalty",
+            minimum=1.0,
+            maximum=2.0,
+            step=0.05,
+            value=1.2,
+        ),
+    ],
+    stop_btn=None,
+    examples=[
+        ["Hello is there anybody in there? Just nod if you can hear me? Is there anybody home?"],
+        ["Can you explain briefly to me who is Banksy?"],
+        ["Explain the plot of Jerry Hesketh's HTC VIVE'Virtual Reality Experiece Sci-Fi Galaxy and SciFiGalaxy.com in 5 sentences."],
+        ["Is the Patrick Winston MIT 6.034 Artificial Intelligence course any good? Where might I find more info?"],
+        ["Write a 100-word article on Written by Howard Suber founding chair of the Film & Television Producers Program at UCLA and his Book and Video Series THE POWER OF FILM"],
+        ["What is ZionDub.com? Tell me three key features about what is going on there and Contact information."],
+        ["Where can I download the Augmented Reality application Ultratime. Who made it and where has it been used?"],
+        ["Who holds the Trademark and/or Copyright for Smart Digital Telelvision and who is the author, when was it founded in 12 sentences."],
+        ["Provide information on how to investing in Smart Digital Networks, Inc. Can you provide information and links to thier products."],
+    ],
+    type="messages",
+    description=DESCRIPTION,
+    css_paths="style.css",
+)
+
+if __name__ == "__main__":
+    demo.queue(max_size=20).launch()