diff --git a/webui.py b/webui.py new file mode 100644 index 0000000..ac9a481 --- /dev/null +++ b/webui.py @@ -0,0 +1,128 @@ +import gradio as gr +#pip install gradio==3.28.3 +import mdtex2html + +import torch +# torch.cuda.set_device(2) +from transformers import AutoModelForCausalLM, AutoTokenizer +from transformers.generation.utils import GenerationConfig + +MODEL_PATH='./' + +tokenizer = AutoTokenizer.from_pretrained(MODEL_PATH, use_fast=False, trust_remote_code=True) +model = AutoModelForCausalLM.from_pretrained(MODEL_PATH, device_map="auto", torch_dtype=torch.float16, trust_remote_code=True) +model.generation_config = GenerationConfig.from_pretrained(MODEL_PATH) +print(model.generation_config) +# model = model.quantize(8).cuda() + + +"""Override Chatbot.postprocess""" + + +def postprocess(self, y): + if y is None: + return [] + for i, (message, response) in enumerate(y): + y[i] = ( + None if message is None else mdtex2html.convert((message)), + None if response is None else mdtex2html.convert(response), + ) + return y + + +gr.Chatbot.postprocess = postprocess + + +def parse_text(text): + """copy from https://github.com/GaiZhenbiao/ChuanhuChatGPT/""" + lines = text.split("\n") + lines = [line for line in lines if line != ""] + count = 0 + for i, line in enumerate(lines): + if "```" in line: + count += 1 + items = line.split('`') + if count % 2 == 1: + lines[i] = f'
'
+            else:
+                lines[i] = f'
' + else: + if i > 0: + if count % 2 == 1: + line = line.replace("`", "\`") + line = line.replace("<", "<") + line = line.replace(">", ">") + line = line.replace(" ", " ") + line = line.replace("*", "*") + line = line.replace("_", "_") + line = line.replace("-", "-") + line = line.replace(".", ".") + line = line.replace("!", "!") + line = line.replace("(", "(") + line = line.replace(")", ")") + line = line.replace("$", "$") + lines[i] = "
"+line + text = "".join(lines) + return text + +stream = True + +def predict(input, chatbot, max_length, top_p, temperature, history, past_key_values): + model.generation_config.temperature = temperature + model.generation_config.top_p = top_p + model.generation_config.max_new_tokens = max_length + chatbot.append((parse_text(input), "")) + + history.append({"role": "user", "content": parse_text(input)}) + if stream: + position = 0 + for response in model.chat(tokenizer, history, stream=True): + chatbot[-1] = (parse_text(input), parse_text(response)) + if torch.backends.mps.is_available(): + torch.mps.empty_cache() + yield chatbot, history, past_key_values + print(response) + history.append({"role": "assistant", "content": response}) + else: + response = model.chat(tokenizer, history) + print(response) + chatbot[-1] = (parse_text(input), parse_text(response)) + + yield chatbot, history, past_key_values + + +def reset_user_input(): + return gr.update(value='') + + +def reset_state(): + return [], [], None + + +with gr.Blocks() as demo: + gr.HTML("""

Baichuan-13B-Chat

""") + + chatbot = gr.Chatbot() + with gr.Row(): + with gr.Column(scale=4): + with gr.Column(scale=12): + user_input = gr.Textbox(show_label=False, placeholder="Input...", lines=10).style( + container=False) + with gr.Column(min_width=32, scale=1): + submitBtn = gr.Button("Submit", variant="primary") + with gr.Column(scale=1): + emptyBtn = gr.Button("Clear History") + max_length = gr.Slider(0, 2048, value=1024, step=1.0, label="Maximum length", interactive=True) + top_p = gr.Slider(0, 1, value=0.85, step=0.01, label="Top P", interactive=True) + temperature = gr.Slider(0, 1, value=0.9, step=0.01, label="Temperature", interactive=True) + + history = gr.State([]) + past_key_values = gr.State(None) + + submitBtn.click(predict, [user_input, chatbot, max_length, top_p, temperature, history, past_key_values], + [chatbot, history, past_key_values], show_progress=True) + submitBtn.click(reset_user_input, [], [user_input]) + + emptyBtn.click(reset_state, outputs=[chatbot, history, past_key_values], show_progress=True) + +demo.queue().launch(share=True, inbrowser=True,server_name="0.0.0.0", server_port=8891)