Files
vllm/vllm/lora/request.py
2025-12-26 05:10:39 +00:00

61 lines
1.7 KiB
Python

# SPDX-License-Identifier: Apache-2.0
# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
import msgspec
class LoRARequest(
msgspec.Struct,
omit_defaults=True, # type: ignore[call-arg]
array_like=True,
): # type: ignore[call-arg]
"""
Request for a LoRA adapter.
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 = ""
base_model_name: str | None = msgspec.field(default=None)
tensorizer_config_dict: dict | None = None
def __post_init__(self):
if self.lora_int_id < 1:
raise ValueError(f"id must be > 0, got {self.lora_int_id}")
# 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
def __eq__(self, value: object) -> bool:
"""
Overrides the equality method to compare LoRARequest
instances based on lora_name. This allows for identification
and comparison lora adapter across engines.
"""
return isinstance(value, self.__class__) and self.lora_name == value.lora_name
def __hash__(self) -> int:
"""
Overrides the hash method to hash LoRARequest instances
based on lora_name. This ensures that LoRARequest instances
can be used in hash-based collections such as sets and dictionaries,
identified by their names across engines.
"""
return hash(self.lora_name)