54 lines
2.4 KiB
Python

from typing import Literal
from diffusers import (
DDIMScheduler,
DDPMScheduler,
DEISMultistepScheduler,
DPMSolverMultistepScheduler,
DPMSolverSDEScheduler,
DPMSolverSinglestepScheduler,
EulerAncestralDiscreteScheduler,
EulerDiscreteScheduler,
HeunDiscreteScheduler,
KDPM2AncestralDiscreteScheduler,
KDPM2DiscreteScheduler,
LCMScheduler,
LMSDiscreteScheduler,
PNDMScheduler,
TCDScheduler,
UniPCMultistepScheduler,
)
SCHEDULER_MAP = {
"ddim": (DDIMScheduler, {}),
"ddpm": (DDPMScheduler, {}),
"deis": (DEISMultistepScheduler, {}),
"lms": (LMSDiscreteScheduler, {"use_karras_sigmas": False}),
"lms_k": (LMSDiscreteScheduler, {"use_karras_sigmas": True}),
"pndm": (PNDMScheduler, {}),
"heun": (HeunDiscreteScheduler, {"use_karras_sigmas": False}),
"heun_k": (HeunDiscreteScheduler, {"use_karras_sigmas": True}),
"euler": (EulerDiscreteScheduler, {"use_karras_sigmas": False}),
"euler_k": (EulerDiscreteScheduler, {"use_karras_sigmas": True}),
"euler_a": (EulerAncestralDiscreteScheduler, {}),
"kdpm_2": (KDPM2DiscreteScheduler, {}),
"kdpm_2_a": (KDPM2AncestralDiscreteScheduler, {}),
"dpmpp_2s": (DPMSolverSinglestepScheduler, {"use_karras_sigmas": False}),
"dpmpp_2s_k": (DPMSolverSinglestepScheduler, {"use_karras_sigmas": True}),
"dpmpp_2m": (DPMSolverMultistepScheduler, {"use_karras_sigmas": False}),
"dpmpp_2m_k": (DPMSolverMultistepScheduler, {"use_karras_sigmas": True}),
"dpmpp_2m_sde": (DPMSolverMultistepScheduler, {"use_karras_sigmas": False, "algorithm_type": "sde-dpmsolver++"}),
"dpmpp_2m_sde_k": (DPMSolverMultistepScheduler, {"use_karras_sigmas": True, "algorithm_type": "sde-dpmsolver++"}),
"dpmpp_sde": (DPMSolverSDEScheduler, {"use_karras_sigmas": False, "noise_sampler_seed": 0}),
"dpmpp_sde_k": (DPMSolverSDEScheduler, {"use_karras_sigmas": True, "noise_sampler_seed": 0}),
"unipc": (UniPCMultistepScheduler, {"cpu_only": True}),
"lcm": (LCMScheduler, {}),
"tcd": (TCDScheduler, {}),
}
# HACK(ryand): Passing a tuple of keys to Literal works at runtime, but not at type-check time. See the docs here for
# more info: https://typing.readthedocs.io/en/latest/spec/literal.html#parameters-at-runtime. For now, we are ignoring
# this error. In the future, we should fix this type handling.
SCHEDULER_NAME_VALUES = Literal[tuple(SCHEDULER_MAP.keys())] # type: ignore