ChatGLM-6B/api.py

66 lines
1.8 KiB
Python

from fastapi import FastAPI, Request
from transformers import AutoTokenizer, AutoModel
import uvicorn, json, datetime, os
api = FastAPI()
@api.post("/")
async def create_item(request: Request):
global model, tokenizer
json_post_raw = await request.json()
json_post = json.dumps(json_post_raw)
json_post_list = json.loads(json_post)
prompt = json_post_list.get('prompt')
history = json_post_list.get('history')
response, history = model.chat(tokenizer, prompt, history=history)
now = datetime.datetime.now()
time = now.strftime("%Y-%m-%d %H:%M:%S")
answer = {
"response": response,
"history": history,
"status": 200,
"time": time
}
log = "[" + time + "] " + '", prompt:"' + prompt + '", response:"' + repr(response) + '"'
print(log)
return answer
@api.post("/clear")
async def clear_history():
global history
history = []
now = datetime.datetime.now()
time = now.strftime("%Y-%m-%d %H:%M:%S")
answer = {
"response": "history cleared",
"status": 200,
"time": time
}
log = "[" + time + "] " + 'History Cleared'
print(log)
return answer
@api.post("/history")
async def get_history():
global history
now = datetime.datetime.now()
time = now.strftime("%Y-%m-%d %H:%M:%S")
answer = {
"response": history,
"status": 200,
"time": time
}
log = "[" + time + "] " + 'Get History'
print(log)
return answer
if __name__ == '__main__':
try:
uvicorn.run('api:api', host='0.0.0.0', port=8000, workers=1)
except KeyboardInterrupt:
os._exit(0)
history = []
tokenizer = AutoTokenizer.from_pretrained("THUDM/chatglm-6b", trust_remote_code=True)
model = AutoModel.from_pretrained("THUDM/chatglm-6b", trust_remote_code=True).half().cuda()
model.eval()