upgrade peft v0.17.0 and support for lora target_parameters (#3006)

src/axolotl/loaders/adapter.py

@@ -76,6 +76,7 @@ def load_lora(
     config_only: bool = False,
 ) -> tuple[PreTrainedModel | PeftModel | PeftMixedModel | None, PeftConfig | None]:
     lora_target_modules = cfg.lora_target_modules or []
+    lora_target_parameters = cfg.lora_target_parameters or []
 
     if cfg.lora_target_linear:
         linear_names = find_all_linear_names(model)
@@ -106,6 +107,7 @@ def load_lora(
         r=cfg.lora_r,
         lora_alpha=cfg.lora_alpha,
         target_modules=lora_target_modules,
+        target_parameters=lora_target_parameters,
         layers_to_transform=cfg.peft_layers_to_transform,
         layers_pattern=cfg.peft_layers_pattern,
         lora_dropout=cfg.lora_dropout,

src/axolotl/utils/schemas/peft.py

@@ -54,6 +54,7 @@ class LoraConfig(BaseModel):
     lora_alpha: int | None = None
     lora_fan_in_fan_out: bool | None = None
     lora_target_modules: str | list[str] | None = None
+    lora_target_parameters: str | list[str] | None = None
     lora_target_linear: bool | None = Field(
         default=None,
         json_schema_extra={"description": "If true, will target all linear modules"},