Files
optuna-dashboard/optuna_dashboard/_objective_form_widget.py
T
2023-02-10 10:59:18 +09:00

134 lines
3.6 KiB
Python

from __future__ import annotations
from dataclasses import dataclass
import json
from typing import TYPE_CHECKING
from typing import Union
import optuna
if TYPE_CHECKING:
from typing import Any
from typing import Literal
from typing import Optional
from typing import TypedDict
ChoiceWidgetJSON = TypedDict(
"ChoiceWidgetJSON",
{
"type": Literal["choice"],
"description": Optional[str],
"choices": list[str],
"values": list[float],
},
)
SliderWidgetLabel = TypedDict(
"SliderWidgetLabel",
{"value": float, "label": str},
)
SliderWidgetJSON = TypedDict(
"SliderWidgetJSON",
{
"type": Literal["slider"],
"description": Optional[str],
"min": float,
"max": float,
"step": Optional[float],
"labels": Optional[list[SliderWidgetLabel]],
},
)
TextInputWidgetJSON = TypedDict(
"TextInputWidgetJSON",
{"type": Literal["text"], "description": Optional[str]},
)
UserAttrRefJSON = TypedDict("UserAttrRefJSON", {"type": Literal["user_attr"], "key": str})
ObjectiveFormWidgetJSON = Union[
ChoiceWidgetJSON, SliderWidgetJSON, TextInputWidgetJSON, UserAttrRefJSON
]
@dataclass
class ObjectiveChoiceWidget:
choices: list[str]
values: list[float]
description: Optional[str] = None
def to_dict(self) -> ChoiceWidgetJSON:
return {
"type": "choice",
"description": self.description,
"choices": self.choices,
"values": self.values,
}
@dataclass
class ObjectiveSliderWidget:
min: float
max: float
step: Optional[float] = None
labels: Optional[list[tuple[float, str]]] = None
description: Optional[str] = None
def to_dict(self) -> SliderWidgetJSON:
labels: Optional[list[SliderWidgetLabel]] = None
if self.labels is not None:
labels = [{"value": value, "label": label} for value, label in self.labels]
return {
"type": "slider",
"description": self.description,
"min": self.min,
"max": self.max,
"step": self.step,
"labels": labels,
}
@dataclass
class ObjectiveTextInputWidget:
description: Optional[str] = None
def to_dict(self) -> TextInputWidgetJSON:
return {
"type": "text",
"description": self.description,
}
@dataclass
class ObjectiveUserAttrRef:
key: str
def to_dict(self) -> UserAttrRefJSON:
return {
"type": "user_attr",
"key": self.key,
}
ObjectiveFormWidget = Union[
ObjectiveChoiceWidget, ObjectiveSliderWidget, ObjectiveTextInputWidget, ObjectiveUserAttrRef
]
SYSTEM_ATTR_KEY = "dashboard:objective_form_widgets:v1"
def register_objective_form_widgets(
study: optuna.Study, widgets: list[ObjectiveFormWidget]
) -> None:
if len(study.directions) != len(widgets):
raise ValueError("The length of actions must be the same with the number of objectives.")
widget_dicts = [w.to_dict() for w in widgets]
study._storage.set_study_system_attr(study._study_id, SYSTEM_ATTR_KEY, widget_dicts)
def get_objective_form_widgets_json(
study_system_attr: dict[str, Any]
) -> Optional[list[ObjectiveFormWidgetJSON]]:
if SYSTEM_ATTR_KEY in study_system_attr:
return study_system_attr[SYSTEM_ATTR_KEY]
# For optuna-dashboard v0.9.0b5 users
if "dashboard:objective_form_widgets" in study_system_attr:
return json.loads(study_system_attr["dashboard:objective_form_widgets"])
return None