wrap ESRGAN helper
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@ -25,6 +25,28 @@ class UpscaleRealESRGANStage(BaseStage):
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# TODO: rewrite and remove
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from realesrgan import RealESRGANer
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class RealESRGANWrapper(RealESRGANer):
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def __init__(
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self,
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scale,
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model_path,
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dni_weight=None,
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model=None,
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tile=0,
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tile_pad=10,
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pre_pad=10,
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half=False,
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device=None,
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gpu_id=None,
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):
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self.scale = scale
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self.tile_size = tile
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self.tile_pad = tile_pad
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self.pre_pad = pre_pad
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self.mod_scale = None
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self.half = half
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self.model = model
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model_file = "%s.%s" % (params.upscale_model, params.format)
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model_path = path.join(server.model_path, model_file)
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@ -54,16 +76,14 @@ class UpscaleRealESRGANStage(BaseStage):
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logger.debug("loading Real ESRGAN upscale model from %s", model_path)
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# TODO: shouldn't need the PTH file
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model_path_pth = path.join(server.cache_path, ("%s.pth" % params.upscale_model))
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upsampler = RealESRGANer(
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upsampler = RealESRGANWrapper(
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scale=params.scale,
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model_path=model_path_pth,
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dni_weight=dni_weight,
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model=model,
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tile=tile,
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tile_pad=params.tile_pad,
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pre_pad=params.pre_pad,
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half=False, # TODO: use server optimizations
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half=("torch-fp16" in server.optimizations),
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)
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server.cache.set(ModelTypes.upscaling, cache_key, upsampler)
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@ -27,7 +27,7 @@ SPECIAL_KEYS = {
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"model.10.weight": "conv_last.weight",
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}
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SUB_NAME = compile(r"^model\.1\.sub\.(\d)+\.RDB(\d)\.conv(\d)\.0\.(bias|weight)$")
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SUB_NAME = compile(r"^model\.1\.sub\.(\d+)\.RDB(\d)\.conv(\d)\.0\.(bias|weight)$")
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def fix_resrgan_keys(model):
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@ -41,11 +41,14 @@ def fix_resrgan_keys(model):
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if matched is not None:
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sub_index, rdb_index, conv_index, node_type = matched.groups()
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new_key = (
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f"model.1.sub.{sub_index}.rdb{rdb_index}.{conv_index}.{node_type}"
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f"body.{sub_index}.rdb{rdb_index}.conv{conv_index}.{node_type}"
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)
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else:
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raise ValueError("unknown key format")
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if new_key in model:
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raise ValueError("key collision")
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model[new_key] = model[key]
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del model[key]
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