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import argparse
import json
import requests
from fastchat.conversation import (
get_default_conv_template,
compute_skip_echo_len,
SeparatorStyle,
)
def main():
model_name = args.model_name
if args.worker_address:
worker_addr = args.worker_address
else:
controller_addr = args.controller_address
ret = requests.post(controller_addr + "/refresh_all_workers")
ret = requests.post(controller_addr + "/list_models")
models = ret.json()["models"]
models.sort()
print(f"Models: {models}")
ret = requests.post(
controller_addr + "/get_worker_address", json={"model": model_name}
)
worker_addr = ret.json()["address"]
print(f"worker_addr: {worker_addr}")
if worker_addr == "":
return
conv = get_default_conv_template(model_name).copy()
conv.append_message(conv.roles[0], args.message)
conv.append_message(conv.roles[1], None)
prompt = conv.get_prompt()
headers = {"User-Agent": "fastchat Client"}
pload = {
"model": model_name,
"prompt": prompt,
"max_new_tokens": args.max_new_tokens,
"temperature": args.temperature,
"stop": conv.sep if conv.sep_style == SeparatorStyle.SINGLE else conv.sep2,
}
response = requests.post(
worker_addr + "/worker_generate_stream",
headers=headers,
json=pload,
stream=True,
)
print(f"{conv.roles[0]}: {args.message}")
for chunk in response.iter_lines(
chunk_size=8192, decode_unicode=False, delimiter=b"\0"
):
if chunk:
data = json.loads(chunk.decode("utf-8"))
skip_echo_len = compute_skip_echo_len(model_name, conv, prompt)
output = data["text"][skip_echo_len:].strip()
print(f"{conv.roles[1]}: {output}", end="\r")
print("")
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument(
"--controller-address", type=str, default="http://localhost:21001"
)
parser.add_argument("--worker-address", type=str)
parser.add_argument("--model-name", type=str, default="facebook/opt-350m")
parser.add_argument("--temperature", type=float, default=0.0)
parser.add_argument("--max-new-tokens", type=int, default=32)
parser.add_argument(
"--message", type=str, default="Tell me a story with more than 1000 words."
)
args = parser.parse_args()
main()
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