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from diffusers import (
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OnnxStableDiffusionPipeline,
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OnnxStableDiffusionImg2ImgPipeline,
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)
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2023-01-28 23:09:19 +00:00
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from logging import getLogger
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from PIL import Image, ImageChops
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from typing import Any
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from ..chain import (
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upscale_outpaint,
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)
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from ..device_pool import (
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JobContext,
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)
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from ..params import (
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ImageParams,
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Border,
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Size,
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StageParams,
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)
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from ..output import (
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save_image,
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save_params,
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)
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from ..upscale import (
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run_upscale_correction,
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UpscaleParams,
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)
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from ..utils import (
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run_gc,
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ServerContext,
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)
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from .load import (
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get_latents_from_seed,
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load_pipeline,
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)
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import numpy as np
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logger = getLogger(__name__)
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def run_txt2img_pipeline(
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job: JobContext,
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server: ServerContext,
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params: ImageParams,
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size: Size,
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output: str,
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upscale: UpscaleParams
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) -> None:
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device = job.get_device()
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pipe = load_pipeline(OnnxStableDiffusionPipeline,
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params.model, params.provider, params.scheduler, device=device)
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latents = get_latents_from_seed(params.seed, size)
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rng = np.random.RandomState(params.seed)
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progress = job.get_progress_callback()
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result = pipe(
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params.prompt,
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height=size.height,
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width=size.width,
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generator=rng,
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guidance_scale=params.cfg,
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latents=latents,
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negative_prompt=params.negative_prompt,
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num_inference_steps=params.steps,
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callback=progress,
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)
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image = result.images[0]
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image = run_upscale_correction(
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server, StageParams(), params, image, upscale=upscale)
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dest = save_image(server, output, image)
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save_params(server, output, params, size, upscale=upscale)
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del image
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del result
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run_gc()
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logger.info('finished txt2img job: %s', dest)
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def run_img2img_pipeline(
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job: JobContext,
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server: ServerContext,
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params: ImageParams,
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output: str,
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upscale: UpscaleParams,
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source_image: Image.Image,
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strength: float,
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) -> None:
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device = job.get_device()
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pipe = load_pipeline(OnnxStableDiffusionImg2ImgPipeline,
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params.model, params.provider, params.scheduler, device=device)
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rng = np.random.RandomState(params.seed)
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progress = job.get_progress_callback()
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result = pipe(
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params.prompt,
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generator=rng,
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guidance_scale=params.cfg,
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image=source_image,
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negative_prompt=params.negative_prompt,
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num_inference_steps=params.steps,
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strength=strength,
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callback=progress,
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)
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image = result.images[0]
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image = run_upscale_correction(
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server, StageParams(), params, image, upscale=upscale)
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dest = save_image(server, output, image)
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size = Size(*source_image.size)
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save_params(server, output, params, size, upscale=upscale)
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del image
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del result
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run_gc()
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logger.info('finished img2img job: %s', dest)
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def run_inpaint_pipeline(
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job: JobContext,
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server: ServerContext,
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params: ImageParams,
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size: Size,
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output: str,
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upscale: UpscaleParams,
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source_image: Image.Image,
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mask_image: Image.Image,
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border: Border,
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noise_source: Any,
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mask_filter: Any,
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strength: float,
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fill_color: str,
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) -> None:
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device = job.get_device()
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progress = job.get_progress_callback()
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stage = StageParams()
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# TODO: pass device, progress
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image = upscale_outpaint(
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server,
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stage,
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params,
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source_image,
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border=border,
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mask_image=mask_image,
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fill_color=fill_color,
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mask_filter=mask_filter,
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noise_source=noise_source,
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)
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logger.info('applying mask filter and generating noise source')
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if image.size == source_image.size:
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image = ImageChops.blend(source_image, image, strength)
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else:
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logger.info(
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'output image size does not match source, skipping post-blend')
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image = run_upscale_correction(
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server, stage, params, image, upscale=upscale)
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dest = save_image(server, output, image)
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save_params(server, output, params, size, upscale=upscale, border=border)
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del image
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run_gc()
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logger.info('finished inpaint job: %s', dest)
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def run_upscale_pipeline(
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job: JobContext,
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server: ServerContext,
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params: ImageParams,
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size: Size,
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output: str,
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upscale: UpscaleParams,
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source_image: Image.Image,
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) -> None:
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device = job.get_device()
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progress = job.get_progress_callback()
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stage = StageParams()
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# TODO: pass device, progress
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image = run_upscale_correction(
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server, stage, params, source_image, upscale=upscale)
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dest = save_image(server, output, image)
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save_params(server, output, params, size, upscale=upscale)
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del image
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run_gc()
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logger.info('finished upscale job: %s', dest)
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