from openai import OpenAI import gradio as gr import os import json import html import random import datetime api_key = os.environ.get('FEATHERLESS_API_KEY') if not api_key: raise RuntimeError("Cannot start without required API key. Please register for one at https://featherless.ai") client = OpenAI( base_url="https://api.featherless.ai/v1", api_key=api_key ) with open('./model-cache.json', 'r') as f_model_cache: model_cache = json.load(f_model_cache) model_class_from_model_id = { model_id: model_class for model_class, model_ids in model_cache.items() for model_id in model_ids } model_class_filter = { "mistral-v02-7b-std-lc": True, "llama3-8b-8k": True, "llama31-8b-16k": True, "llama2-solar-10b7-4k": True, "mistral-nemo-12b-lc": True, "llama2-13b-4k": True, "llama3-15b-8k": True, "qwen2-32b-lc":False, "llama3-70b-8k":False, "llama31-70b-16k": False, "qwen2-72b-lc":False, "mixtral-8x22b-lc":False, "llama3-405b-lc":False, } # we run a few other models here as well REFLECTION="mattshumer/Reflection-Llama-3.1-70B" QWEN25_72B="Qwen/Qwen2.5-72B" NEMOTRON="nvidia/Llama-3.1-Nemotron-70B-Instruct-HF" LLAMA3="meta-llama/Llama-3.3-70B-Instruct" bigger_whitelisted_models = [ QWEN25_72B, NEMOTRON, LLAMA3 ] # REFLECTION is in backup hosting model_class_from_model_id[REFLECTION] = 'llama31-70b-16k' model_class_from_model_id[NEMOTRON] = 'llama31-70b-16k' model_class_from_model_id[LLAMA3] = 'llama31-70b-16k' def build_model_choices(): all_choices = [] for model_class in model_cache: if model_class not in model_class_filter: print(f"Warning: new model class {model_class}. Treating as blacklisted") continue if not model_class_filter[model_class]: continue all_choices += [ (f"{model_id} ({model_class})", model_id) for model_id in model_cache[model_class] ] all_choices += [ (f"{model_id}, {model_class_from_model_id[model_id]}", model_id) for model_id in bigger_whitelisted_models ] return all_choices model_choices = build_model_choices() def model_in_list(model): for label, id in model_choices: if id == model: return True return False # let's use a random but different model each day. key=os.environ.get('RANDOM_SEED', 'kcOtfNHA+e') o = random.Random(f"{key}-{datetime.date.today().strftime('%Y-%m-%d')}") initial_model = o.choice(model_choices)[1] initial_model = LLAMA3 # this doesn't work in HF spaces because we're iframed :( # def initial_model(referer=None): # return REFLECTION # if referer == 'http://127.0.0.1:7860/': # return 'Sao10K/Venomia-1.1-m7' # if referer and referer.startswith("https://huggingface.co/"): # possible_model = referer[23:] # full_model_list = functools.reduce(lambda x,y: x+y, model_cache.values(), []) # model_is_supported = possible_model in full_model_list # if model_is_supported: # return possible_model # # let's use a random but different model each day. # key=os.environ.get('RANDOM_SEED', 'kcOtfNHA+e') # o = random.Random(f"{key}-{datetime.date.today().strftime('%Y-%m-%d')}") # return o.choice(model_choices)[1] REFLECTION_SYSTEM_PROMPT = """You are a world-class AI system, capable of complex reasoning and reflection. Reason through the query inside tags, and then provide your final response inside tags. If you detect that you made a mistake in your reasoning at any point, correct yourself inside tags.""" def respond(message, history, model, request: gr.Request): # insist on that model is in model_choices if not model_in_list(model): raise RuntimeError(f"{model} is not supported in this hf space. Visit https://featherless.ai to see and use the complete model catalogue") history_openai_format = [] for human, assistant in history: history_openai_format.append({"role": "user", "content": human }) history_openai_format.append({"role": "assistant", "content":assistant}) history_openai_format.append({"role": "user", "content": message}) if model == REFLECTION: history_openai_format = [ {"role": "system", "content": REFLECTION_SYSTEM_PROMPT}, *history_openai_format ] response = client.chat.completions.create( model=model, messages= history_openai_format, temperature=1.0, stream=True, max_tokens=2000, extra_headers={ 'HTTP-Referer': request.headers.get('referer'), 'X-Title': "HF's missing inference widget" } ) partial_message = "" for chunk in response: if chunk.choices[0].delta.content is not None: content = chunk.choices[0].delta.content escaped_content = html.escape(content) partial_message += escaped_content yield partial_message logo = open('./logo.svg').read() logo_small = open('./logo-small.svg').read() title_text="HuggingFace's missing inference widget" css = """ .logo-mark { fill: #ffe184; } /* from https://github.com/gradio-app/gradio/issues/4001 * necessary as putting ChatInterface in gr.Blocks changes behaviour */ .row { display: flex; justify-content: center; } .footer p { width: 450px; } .contain { display: flex; flex-direction: column; } .gradio-container { height: 100vh !important; } #component-0 { height: 100%; } #chatbot { flex-grow: 1; overflow: auto;} """ with gr.Blocks(title_text, css=css) as demo: gr.HTML(f"""

HuggingFace's missing inference widget

powered by

{logo}
""") # hidden_state = gr.State(value=initial_model) with gr.Row(): model_selector = gr.Dropdown( label="Select your Model", choices=build_model_choices(), value=initial_model, # value=hidden_state, scale=4 ) gr.Button( value="Visit Model Card ↗️", scale=1 ).click( inputs=[model_selector], js="(model_selection) => { window.open(`https://featherless.ai/models/${model_selection}/readme`, '_blank') }", fn=None, ) gr.ChatInterface( respond, additional_inputs=[model_selector], head=""", """, concurrency_limit=5 ) # logo_small_no_text = open('./logo-small-no-text.svg').read() # x_logo = open('./x-logo.svg').read() # discord_logo = open('./discord-logo.svg').read() gr.HTML(f"""
If you enjoyed this space, check out featherless.ai, and follow us on twitter!
""") # def update_initial_model_choice(request: gr.Request): # return initial_model(request.headers.get('referer')) # demo.load(update_initial_model_choice, outputs=model_selector) demo.launch()