unsloth/studio/backend/models/datasets.py
Daniel Han-Chen 48740c2664 Fix/adjust diffusion: round 24 P1 batch for PR #5754
P1 #1: ``_gpu_workload_busy_for_helper`` in
``utils/datasets/llm_assist.py`` now also gates on the GGUF chat
backend (llama-server) AND the safetensors chat backend. Round 23
extended it to training + export but missed Chat, so a helper /
advisor GGUF could still race a loaded chat model for VRAM.
Both checks fail closed when status is unverifiable.

P1 #2 / #3 / #4 / #5: re-ordered the route-level GPU-handoff
unloads so the diffusion release runs BEFORE the chat releases.
A wedged diffusion unload used to fire AFTER chat was already
gone, so the user lost both on a single failure. Drop chat last
so an earlier failure preserves it. Applied to
``/training/start`` (training.py), ``/export/load`` (export.py),
``/chat/load`` GGUF branch and ``/chat/load`` safetensors branch
(routes/inference.py).

P1 #7 + P2 #13: ``/delete-finetuned`` body now hardens
``model_path`` and ``gguf_variant`` via the shared
``_validate_logged_identifier`` helper, so control characters
and URL-form HF tokens can no longer log-line-smuggle.

P1 #8 + #10: ``/delete-cached`` body hardens ``repo_id`` and
``variant`` the same way.

P1 #9: ``/download-progress`` ``repo_id`` query parameter is
also hardened; the value flows into log lines deep inside
``_get_repo_size_cached`` on lookup failure.

P1 #11: ``CheckFormatRequest.dataset_name`` and
``AiAssistMappingRequest.{dataset_name, model_name}`` in
``models/datasets.py`` now apply the same control-char +
embedded-HF-token validators, matching every other public
request-body model.

All 115 diffusion + training-validation + cached_gguf + export
+ inference model-validation tests pass locally.

(P1 #6 native-path-lease enforcement for diffusion local paths
and P1 #12 React Compiler frontend lint deferred -- both need
focused design / frontend touchups separate from this batch.)
2026-05-25 11:45:14 +00:00

124 lines
4.2 KiB
Python

# SPDX-License-Identifier: AGPL-3.0-only
# Copyright 2026-present the Unsloth AI Inc. team. All rights reserved. See /studio/LICENSE.AGPL-3.0
"""
Dataset-related Pydantic models for API requests and responses.
"""
from typing import Any, Dict, List, Optional
from pydantic import BaseModel, Field, field_validator, model_validator
# Round 24 P1 #11: reuse the chat / diffusion / export identifier
# hardening so dataset routes also reject control characters and
# URL-embedded HF tokens in user-controlled identifiers.
from models.inference import _no_control_chars, _reject_embedded_hf_token
class CheckFormatRequest(BaseModel):
"""Request for dataset format check"""
dataset_name: str # HuggingFace dataset name or local path
is_vlm: bool = False
hf_token: Optional[str] = None
subset: Optional[str] = None
train_split: Optional[str] = "train"
@model_validator(mode = "before")
@classmethod
def _compat_split(cls, values: Any) -> Any:
"""Accept legacy 'split' field as alias for 'train_split'."""
if isinstance(values, dict) and "split" in values:
values.setdefault("train_split", values.pop("split"))
return values
@field_validator("dataset_name")
@classmethod
def _no_dataset_name_control_chars(cls, v, info):
return _no_control_chars(v, info.field_name)
@field_validator("dataset_name")
@classmethod
def _no_dataset_name_embedded_hf_tokens(cls, v, info):
return _reject_embedded_hf_token(v, info.field_name)
class CheckFormatResponse(BaseModel):
"""Response for dataset format check"""
requires_manual_mapping: bool
detected_format: str
columns: List[str]
is_image: bool = False
is_audio: bool = False
multimodal_columns: Optional[List[str]] = None
suggested_mapping: Optional[Dict[str, str]] = None
detected_image_column: Optional[str] = None
detected_audio_column: Optional[str] = None
detected_text_column: Optional[str] = None
detected_speaker_column: Optional[str] = None
preview_samples: Optional[List[Dict]] = None
total_rows: Optional[int] = None
warning: Optional[str] = None
class AiAssistMappingRequest(BaseModel):
"""Request for LLM-assisted column classification (user-triggered)."""
columns: List[str]
samples: List[Dict[str, Any]] # Preview rows already loaded in the dialog
dataset_name: Optional[str] = None # For LLM context
hf_token: Optional[str] = None # For fetching dataset card
model_name: Optional[str] = None
model_type: Optional[str] = None
@field_validator("dataset_name", "model_name")
@classmethod
def _no_identifier_control_chars(cls, v, info):
return _no_control_chars(v, info.field_name)
@field_validator("dataset_name", "model_name")
@classmethod
def _no_identifier_embedded_hf_tokens(cls, v, info):
return _reject_embedded_hf_token(v, info.field_name)
class AiAssistMappingResponse(BaseModel):
"""Response from LLM-assisted column classification and conversion advice."""
success: bool
suggested_mapping: Optional[Dict[str, str]] = None
warning: Optional[str] = None
# Conversion advisor fields
system_prompt: Optional[str] = None
label_mapping: Optional[Dict[str, Dict[str, str]]] = None
dataset_type: Optional[str] = None
is_conversational: Optional[bool] = None
user_notification: Optional[str] = None
class UploadDatasetResponse(BaseModel):
"""Response with stored dataset path for training."""
filename: str = Field(..., description = "Original filename")
stored_path: str = Field(..., description = "Absolute path stored on backend")
class LocalDatasetItem(BaseModel):
class Metadata(BaseModel):
actual_num_records: Optional[int] = None
target_num_records: Optional[int] = None
total_num_batches: Optional[int] = None
num_completed_batches: Optional[int] = None
columns: Optional[List[str]] = None
id: str
label: str
path: str
rows: Optional[int] = None
updated_at: Optional[float] = None
metadata: Optional[Metadata] = None
class LocalDatasetsResponse(BaseModel):
datasets: List[LocalDatasetItem] = Field(default_factory = list)