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from dataclasses import dataclass
from enum import Enum
from typing import List, Optional, Union
import numpy as np
import PIL
from PIL import Image
from ...utils import BaseOutput, is_torch_available, is_transformers_available
@dataclass
class SafetyConfig(object):
WEAK = {
"sld_warmup_steps": 15,
"sld_guidance_scale": 20,
"sld_threshold": 0.0,
"sld_momentum_scale": 0.0,
"sld_mom_beta": 0.0,
}
MEDIUM = {
"sld_warmup_steps": 10,
"sld_guidance_scale": 1000,
"sld_threshold": 0.01,
"sld_momentum_scale": 0.3,
"sld_mom_beta": 0.4,
}
STRONG = {
"sld_warmup_steps": 7,
"sld_guidance_scale": 2000,
"sld_threshold": 0.025,
"sld_momentum_scale": 0.5,
"sld_mom_beta": 0.7,
}
MAX = {
"sld_warmup_steps": 0,
"sld_guidance_scale": 5000,
"sld_threshold": 1.0,
"sld_momentum_scale": 0.5,
"sld_mom_beta": 0.7,
}
@dataclass
class StableDiffusionSafePipelineOutput(BaseOutput):
"""
Output class for Safe Stable Diffusion pipelines.
Args:
images (`List[PIL.Image.Image]` or `np.ndarray`)
List of denoised PIL images of length `batch_size` or numpy array of shape `(batch_size, height, width,
num_channels)`. PIL images or numpy array present the denoised images of the diffusion pipeline.
nsfw_content_detected (`List[bool]`)
List of flags denoting whether the corresponding generated image likely represents "not-safe-for-work"
(nsfw) content, or `None` if safety checking could not be performed.
images (`List[PIL.Image.Image]` or `np.ndarray`)
List of denoised PIL images that were flagged by the safety checker any may contain "not-safe-for-work"
(nsfw) content, or `None` if no safety check was performed or no images were flagged.
applied_safety_concept (`str`)
The safety concept that was applied for safety guidance, or `None` if safety guidance was disabled
"""
images: Union[List[PIL.Image.Image], np.ndarray]
nsfw_content_detected: Optional[List[bool]]
unsafe_images: Optional[Union[List[PIL.Image.Image], np.ndarray]]
applied_safety_concept: Optional[str]
if is_transformers_available() and is_torch_available():
from .pipeline_stable_diffusion_safe import StableDiffusionPipelineSafe
from .safety_checker import SafeStableDiffusionSafetyChecker
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