app.py

import gradio as gr
from gradio_client import Client
from huggingface_hub import InferenceClient
import random
#ss_client = Client("https://omnibus-html-image-current-tab.hf.space/")

models=[
    "google/gemma-7b",
    "google/gemma-7b-it",
    "google/gemma-2b",
    "google/gemma-2b-it"
    "meta-llama/Llama-2-7b-chat-hf",
    "codellama/CodeLlama-70b-Instruct-hf",
    "openchat/openchat-3.5-0106",
    "NousResearch/Nous-Hermes-2-Mixtral-8x7B-DPO",
    "mistralai/Mixtral-8x7B-Instruct-v0.1",
    "mistralai/Mixtral-8x7B-Instruct-v0.2"
]
'''clients=[
InferenceClient(models[0]),
InferenceClient(models[1]),
InferenceClient(models[2]),
InferenceClient(models[3]),
]'''

client_z=[]


def load_models(inp):
    
    out_box=[gr.Chatbot(),gr.Chatbot(),gr.Chatbot(),gr.Chatbot()]
    print(type(inp))
    print(inp)
    print(models[inp[0]])
    client_z.clear()
    for z,ea in enumerate(inp):
        client_z.append(InferenceClient(models[inp[z]]))
        out_box[z]=(gr.update(label=models[inp[z]]))
    return out_box[0],out_box[1],out_box[2],out_box[3]

def format_prompt_default(message, history):
    prompt = ""
    if history:
        #<start_of_turn>userHow does the brain work?<end_of_turn><start_of_turn>model
        for user_prompt, bot_response in history:
            prompt += f"{user_prompt}\n"
            print(prompt)
            prompt += f"{bot_response}\n"
            print(prompt)
    prompt += f"{message}\n"
    return prompt

def format_prompt_gemma(message, history):
    prompt = ""
    if history:
        #<start_of_turn>userHow does the brain work?<end_of_turn><start_of_turn>model
        for user_prompt, bot_response in history:
            prompt += f"{user_prompt}\n"
            print(prompt)
            prompt += f"{bot_response}\n"
            print(prompt)
    prompt += f"<start_of_turn>user{message}<end_of_turn><start_of_turn>model"
    return prompt

   
def format_prompt_mixtral(message, history):
    prompt = "<s>"
    if history:
        for user_prompt, bot_response in history:
            prompt += f"[INST] {user_prompt} [/INST]"
            prompt += f" {bot_response}</s> "
    prompt += f"[INST] {message} [/INST]"
    return prompt

def format_prompt_choose(message, history, model_name):
    if "gemma" in models[model_name].lower() and "it" in models[model_name].lower():
        return format_prompt_gemma(message,history)
    if "mixtral" in models[model_name].lower():
        return format_prompt_mixtral(message,history)
    else:
        return format_prompt_default(message,history)



mega_hist=[[],[],[],[]]
def chat_inf_tree(system_prompt,prompt,history,client_choice,seed,temp,tokens,top_p,rep_p,hid_val):
    if len(client_choice)>=hid_val:
        client=client_z[int(hid_val)-1]
        if history:
            mega_hist[hid_val-1]=history
            #history = []
            hist_len=0
        generate_kwargs = dict(
            temperature=temp,
            max_new_tokens=tokens,
            top_p=top_p,
            repetition_penalty=rep_p,
            do_sample=True,
            seed=seed,
        )
        #formatted_prompt=prompt   
        formatted_prompt = format_prompt(f"{system_prompt}, {prompt}", mega_hist[hid_val-1])
        stream = client.text_generation(formatted_prompt, **generate_kwargs, stream=True, details=True, return_full_text=False)
        output = ""
        for response in stream:
            output += response.token.text
            yield [(prompt,output)]
        mega_hist[hid_val-1].append((prompt,output))
        yield mega_hist[hid_val-1]
    else:
        yield None




def chat_inf_a(system_prompt,prompt,history,client_choice,seed,temp,tokens,top_p,rep_p,hid_val):
    if len(client_choice)>=hid_val:
        if system_prompt:
            system_prompt=f'{system_prompt}, '
        client=client_z[int(hid_val)-1]
        if not history:
            history = []
            hist_len=0
        generate_kwargs = dict(
            temperature=temp,
            max_new_tokens=tokens,
            top_p=top_p,
            repetition_penalty=rep_p,
            do_sample=True,
            seed=seed,
        )
        #formatted_prompt=prompt   
        formatted_prompt = format_prompt_choose(f"{system_prompt}{prompt}", history, client_choice[0])
        stream = client.text_generation(formatted_prompt, **generate_kwargs, stream=True, details=True, return_full_text=False)
        output = ""
        for response in stream:
            output += response.token.text
            yield [(prompt,output)]
        history.append((prompt,output))
        yield history
    else:
        yield None


def chat_inf_b(system_prompt,prompt,history,client_choice,seed,temp,tokens,top_p,rep_p,hid_val):
    if len(client_choice)>=hid_val:
        if system_prompt:
            system_prompt=f'{system_prompt}, '        
        client=client_z[int(hid_val)-1]
        if not history:
            history = []
            hist_len=0
        generate_kwargs = dict(
            temperature=temp,
            max_new_tokens=tokens,
            top_p=top_p,
            repetition_penalty=rep_p,
            do_sample=True,
            seed=seed,
        )
        #formatted_prompt=prompt   
        formatted_prompt = format_prompt_choose(f"{system_prompt}{prompt}", history, client_choice[1])
        stream = client.text_generation(formatted_prompt, **generate_kwargs, stream=True, details=True, return_full_text=False)
        output = ""
        for response in stream:
            output += response.token.text
            yield [(prompt,output)]
        history.append((prompt,output))
        yield history
    else:
        yield None

def chat_inf_c(system_prompt,prompt,history,client_choice,seed,temp,tokens,top_p,rep_p,hid_val):
    if len(client_choice)>=hid_val:
        client=client_z[int(hid_val)-1]
        if not history:
            history = []
            hist_len=0
        generate_kwargs = dict(
            temperature=temp,
            max_new_tokens=tokens,
            top_p=top_p,
            repetition_penalty=rep_p,
            do_sample=True,
            seed=seed,
        )
        #formatted_prompt=prompt   
        formatted_prompt = format_prompt_choose(f"{system_prompt}, {prompt}", history, client_choice[2])
        stream = client.text_generation(formatted_prompt, **generate_kwargs, stream=True, details=True, return_full_text=False)
        output = ""
        for response in stream:
            output += response.token.text
            yield [(prompt,output)]
        history.append((prompt,output))
        yield history
    else:
        yield None

def chat_inf_d(system_prompt,prompt,history,client_choice,seed,temp,tokens,top_p,rep_p,hid_val):
    if len(client_choice)>=hid_val:
        client=client_z[int(hid_val)-1]
        if not history:
            history = []
            hist_len=0
        generate_kwargs = dict(
            temperature=temp,
            max_new_tokens=tokens,
            top_p=top_p,
            repetition_penalty=rep_p,
            do_sample=True,
            seed=seed,
        )
        #formatted_prompt=prompt   
        formatted_prompt = format_prompt_choose(f"{system_prompt}, {prompt}", history, client_choice[3])
        stream = client.text_generation(formatted_prompt, **generate_kwargs, stream=True, details=True, return_full_text=False)
        output = ""
        for response in stream:
            output += response.token.text
            yield [(prompt,output)]
        history.append((prompt,output))
        yield history
    else:
        yield None        
def clear_fn():
    return None,None,None
rand_val=random.randint(1,1111111111111111)
def check_rand(inp,val):
    if inp==True:
        return gr.Slider(label="Seed", minimum=1, maximum=1111111111111111, value=random.randint(1,1111111111111111))
    else:
        return gr.Slider(label="Seed", minimum=1, maximum=1111111111111111, value=int(val))

with gr.Blocks() as app:
    gr.HTML("""<center><h1 style='font-size:xx-large;'>Chatbot Model Compare</h1><br><h3>running on Huggingface Inference Client</h3><br><h7>EXPERIMENTAL""")
    with gr.Row():
        chat_a = gr.Chatbot(height=500)
        chat_b = gr.Chatbot(height=500)
    with gr.Row():
        chat_c = gr.Chatbot(height=500)
        chat_d = gr.Chatbot(height=500)
    with gr.Group():
        with gr.Row():
            with gr.Column(scale=3):
                inp = gr.Textbox(label="Prompt")
                sys_inp = gr.Textbox(label="System Prompt (optional)")
                with gr.Row():
                    with gr.Column(scale=2):
                        btn = gr.Button("Chat")
                    with gr.Column(scale=1):
                        with gr.Group():
                            stop_btn=gr.Button("Stop")
                            clear_btn=gr.Button("Clear")                
                client_choice=gr.Dropdown(label="Models",type='index',choices=[c for c in models],max_choices=4,multiselect=True,interactive=True)

            with gr.Column(scale=1):
                with gr.Group():
                    rand = gr.Checkbox(label="Random Seed", value=True)
                    seed=gr.Slider(label="Seed", minimum=1, maximum=1111111111111111,step=1, value=rand_val)
                    tokens = gr.Slider(label="Max new tokens",value=3840,minimum=0,maximum=8000,step=64,interactive=True, visible=True,info="The maximum number of tokens")
                    temp=gr.Slider(label="Temperature",step=0.01, minimum=0.01, maximum=1.0, value=0.9)
                    top_p=gr.Slider(label="Top-P",step=0.01, minimum=0.01, maximum=1.0, value=0.9)
                    rep_p=gr.Slider(label="Repetition Penalty",step=0.1, minimum=0.1, maximum=2.0, value=1.0)
        with gr.Accordion(label="Screenshot",open=False):
            with gr.Row():
                with gr.Column(scale=3):
                    im_btn=gr.Button("Screenshot")
                    img=gr.Image(type='filepath')
                with gr.Column(scale=1):
                    with gr.Row():
                        im_height=gr.Number(label="Height",value=5000)
                        im_width=gr.Number(label="Width",value=500)
                    wait_time=gr.Number(label="Wait Time",value=3000)
                    theme=gr.Radio(label="Theme", choices=["light","dark"],value="light")
                    chatblock=gr.Dropdown(label="Chatblocks",info="Choose specific blocks of chat",choices=[c for c in range(1,40)],multiselect=True)
    hid1=gr.Number(value=1)        
    hid2=gr.Number(value=2)        
    hid3=gr.Number(value=3)        
    hid4=gr.Number(value=4)        
    client_choice.change(load_models,client_choice,[chat_a,chat_b,chat_c,chat_d])

    #im_go=im_btn.click(get_screenshot,[chat_b,im_height,im_width,chatblock,theme,wait_time],img)
    #chat_sub=inp.submit(check_rand,[rand,seed],seed).then(chat_inf,[sys_inp,inp,chat_b,client_choice,seed,temp,tokens,top_p,rep_p],chat_b)
    
    go1=btn.click(check_rand,[rand,seed],seed).then(chat_inf_a,[sys_inp,inp,chat_b,client_choice,seed,temp,tokens,top_p,rep_p,hid1],chat_a)
    go2=btn.click(check_rand,[rand,seed],seed).then(chat_inf_b,[sys_inp,inp,chat_b,client_choice,seed,temp,tokens,top_p,rep_p,hid2],chat_b)
    go3=btn.click(check_rand,[rand,seed],seed).then(chat_inf_c,[sys_inp,inp,chat_b,client_choice,seed,temp,tokens,top_p,rep_p,hid3],chat_c)
    go4=btn.click(check_rand,[rand,seed],seed).then(chat_inf_d,[sys_inp,inp,chat_b,client_choice,seed,temp,tokens,top_p,rep_p,hid4],chat_d)
    
    stop_btn.click(None,None,None,cancels=[go1,go2,go3,go4])
    clear_btn.click(clear_fn,None,[inp,sys_inp,chat_a,chat_b,chat_c,chat_d])
app.queue(default_concurrency_limit=10).launch()