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from enum import Enum
from typing import Any
class StableDiffusionVersion(Enum):
"""The version family of stable diffusion model."""
UNKNOWN = 0
SD1x = 1
SD2x = 2
SDXL = 3
@staticmethod
def detect_from_model_name(model_name: str) -> "StableDiffusionVersion":
"""Based on the model name provided, guess what stable diffusion version it is.
This might not be accurate without actually inspect the file content.
"""
if any(f"sd{v}" in model_name.lower() for v in ("14", "15", "16")):
return StableDiffusionVersion.SD1x
if "sd21" in model_name or "2.1" in model_name:
return StableDiffusionVersion.SD2x
if "xl" in model_name.lower():
return StableDiffusionVersion.SDXL
return StableDiffusionVersion.UNKNOWN
def encoder_block_num(self) -> int:
if self in (StableDiffusionVersion.SD1x, StableDiffusionVersion.SD2x, StableDiffusionVersion.UNKNOWN):
return 12
else:
return 9 # SDXL
def controlnet_layer_num(self) -> int:
return self.encoder_block_num() + 1
class ControlModelType(Enum):
"""
The type of Control Models (supported or not).
"""
ControlNet = "ControlNet, Lvmin Zhang"
T2I_Adapter = "T2I_Adapter, Chong Mou"
T2I_StyleAdapter = "T2I_StyleAdapter, Chong Mou"
T2I_CoAdapter = "T2I_CoAdapter, Chong Mou"
MasaCtrl = "MasaCtrl, Mingdeng Cao"
GLIGEN = "GLIGEN, Yuheng Li"
AttentionInjection = "AttentionInjection, Lvmin Zhang" # A simple attention injection written by Lvmin
StableSR = "StableSR, Jianyi Wang"
PromptDiffusion = "PromptDiffusion, Zhendong Wang"
ControlLoRA = "ControlLoRA, Wu Hecong"
ReVision = "ReVision, Stability"
IPAdapter = "IPAdapter, Hu Ye"
Controlllite = "Controlllite, Kohya"
# Written by Lvmin
class AutoMachine(Enum):
"""
Lvmin's algorithm for Attention/AdaIn AutoMachine States.
"""
Read = "Read"
Write = "Write"
StyleAlign = "StyleAlign"
class HiResFixOption(Enum):
BOTH = "Both"
LOW_RES_ONLY = "Low res only"
HIGH_RES_ONLY = "High res only"
@staticmethod
def from_value(value: Any) -> "HiResFixOption":
if isinstance(value, str):
return HiResFixOption(value)
elif isinstance(value, int):
return [x for x in HiResFixOption][value]
else:
assert isinstance(value, HiResFixOption)
return value
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