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from flask import Flask, request, jsonify
from huggingface_hub import InferenceClient
app = Flask(__name__)
app.config["DEBUG"] = True # Enable for debugging
# Load model client
client = InferenceClient("mistralai/Mixtral-8x7B-Instruct-v0.1")
# Function for text generation with enhanced prompt formatting
def generate(
prompt, history, system_prompt, temperature=0.9, max_new_tokens=256, top_p=0.95, repetition_penalty=1.0
):
temperature = float(temperature)
if temperature < 1e-2:
temperature = 1e-2
top_p = float(top_p)
generate_kwargs = dict(
temperature=temperature,
max_new_tokens=max_new_tokens,
top_p=top_p,
repetition_penalty=repetition_penalty,
do_sample=True,
seed=42,
)
# Enhanced prompt formatting for better context
formatted_prompt = f"{system_prompt}\n{', '.join(f'{user_prompt} ||| {bot_response}' for user_prompt, bot_response in history)}\n{prompt}"
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
return output
@app.route("/generate", methods=["POST"])
def generate_text():
data = request.json
prompt = data.get("prompt")
history = data.get("history", [])
system_prompt = data.get("system_prompt")
temperature = data.get("temperature", 0.9)
max_new_tokens = data.get("max_new_tokens", 256)
top_p = data.get("top_p", 0.95)
repetition_penalty = data.get("repetition_penalty", 1.0)
response = generate(
prompt, history, system_prompt, temperature, max_new_tokens, top_p, repetition_penalty
)
return jsonify({"response": response})
if __name__ == "__main__":
app.run(host="0.0.0.0", port=7860) |