vllm/vllm/lora/request.py
Jiaxin Shan 42c7f66a38
[Core] Support dynamically loading Lora adapter from HuggingFace (#6234)
Co-authored-by: Antoni Baum <antoni.baum@protonmail.com>
2024-07-22 15:42:40 -07:00

74 lines
2.1 KiB
Python

import warnings
from dataclasses import dataclass, field
from typing import Optional
from vllm.adapter_commons.request import AdapterRequest
@dataclass
class LoRARequest(AdapterRequest):
"""
Request for a LoRA adapter.
Note that this class should be used internally. For online
serving, it is recommended to not allow users to use this class but
instead provide another layer of abstraction to prevent users from
accessing unauthorized LoRA adapters.
lora_int_id must be globally unique for a given adapter.
This is currently not enforced in vLLM.
"""
lora_name: str
lora_int_id: int
lora_path: str = ""
lora_local_path: Optional[str] = field(default=None, repr=False)
long_lora_max_len: Optional[int] = None
__hash__ = AdapterRequest.__hash__
def __post_init__(self):
if 'lora_local_path' in self.__dict__:
warnings.warn(
"The 'lora_local_path' attribute is deprecated "
"and will be removed in a future version. "
"Please use 'lora_path' instead.",
DeprecationWarning,
stacklevel=2)
if not self.lora_path:
self.lora_path = self.lora_local_path or ""
# Ensure lora_path is not empty
assert self.lora_path, "lora_path cannot be empty"
@property
def adapter_id(self):
return self.lora_int_id
@property
def name(self):
return self.lora_name
@property
def path(self):
return self.lora_path
@property
def local_path(self):
warnings.warn(
"The 'local_path' attribute is deprecated "
"and will be removed in a future version. "
"Please use 'path' instead.",
DeprecationWarning,
stacklevel=2)
return self.lora_path
@local_path.setter
def local_path(self, value):
warnings.warn(
"The 'local_path' attribute is deprecated "
"and will be removed in a future version. "
"Please use 'path' instead.",
DeprecationWarning,
stacklevel=2)
self.lora_path = value