mirror of
https://github.com/PaddlePaddle/FastDeploy.git
synced 2025-10-05 16:48:03 +08:00
123 lines
3.7 KiB
Python
123 lines
3.7 KiB
Python
# Copyright (c) 2025 PaddlePaddle Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import signal
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import socket
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import subprocess
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import time
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from typing import Any, Union
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import pytest
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def kill_process_on_port(port: int):
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"""
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Kill processes that are listening on the given port.
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Uses `lsof` to find process ids and sends SIGKILL.
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"""
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try:
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output = subprocess.check_output(f"lsof -i:{port} -t", shell=True).decode().strip()
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for pid in output.splitlines():
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os.kill(int(pid), signal.SIGKILL)
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print(f"Killed process on port {port}, pid={pid}")
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except subprocess.CalledProcessError:
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pass
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def clean_ports(ports_to_clean: list[int]):
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"""
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Kill all processes occupying the ports listed in PORTS_TO_CLEAN.
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"""
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for port in ports_to_clean:
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kill_process_on_port(port)
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def is_port_open(host: str, port: int, timeout=1.0):
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"""
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Check if a TCP port is open on the given host.
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Returns True if connection succeeds, False otherwise.
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"""
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try:
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with socket.create_connection((host, port), timeout):
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return True
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except Exception:
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return False
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class FDRunner:
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def __init__(
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self,
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model_name_or_path: str,
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tensor_parallel_size: int = 1,
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max_model_len: int = 1024,
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load_choices: str = "default",
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quantization: str = "None",
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**kwargs,
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) -> None:
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from fastdeploy.entrypoints.llm import LLM
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ports_to_clean = []
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if "engine_worker_queue_port" in kwargs:
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ports_to_clean.append(kwargs["engine_worker_queue_port"])
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clean_ports(ports_to_clean)
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time.sleep(5)
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self.llm = LLM(
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model=model_name_or_path,
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tensor_parallel_size=tensor_parallel_size,
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max_model_len=max_model_len,
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load_choices=load_choices,
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quantization=quantization,
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**kwargs,
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)
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def generate(
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self,
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prompts: list[str],
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sampling_params,
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**kwargs: Any,
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) -> list[tuple[list[list[int]], list[str]]]:
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req_outputs = self.llm.generate(prompts, sampling_params=sampling_params, **kwargs)
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outputs: list[tuple[list[list[int]], list[str]]] = []
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sample_output_ids: list[list[int]] = []
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sample_output_strs: list[str] = []
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for output in req_outputs:
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sample_output_ids.append(output.outputs.token_ids)
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sample_output_strs.append(output.outputs.text)
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outputs.append((sample_output_ids, sample_output_strs))
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return outputs
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def generate_topp0(
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self,
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prompts: Union[list[str]],
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max_tokens: int,
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**kwargs: Any,
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) -> list[tuple[list[int], str]]:
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from fastdeploy.engine.sampling_params import SamplingParams
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topp_params = SamplingParams(temperature=0.1, top_p=0, max_tokens=max_tokens)
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outputs = self.generate(prompts, topp_params, **kwargs)
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return outputs
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def __enter__(self):
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return self
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def __exit__(self, exc_type, exc_value, traceback):
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del self.llm
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@pytest.fixture(scope="session")
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def fd_runner():
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return FDRunner
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