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import os
import pooch
from . import BiRefNetSessionGeneral
class BiRefNetSessionPortrait(BiRefNetSessionGeneral):
"""
This class represents a BiRefNet-Portrait session, which is a subclass of BiRefNetSessionGeneral.
"""
@classmethod
def download_models(cls, *args, **kwargs):
"""
Downloads the BiRefNet-Portrait model file from a specific URL and saves it.
Parameters:
*args: Additional positional arguments.
**kwargs: Additional keyword arguments.
Returns:
str: The path to the downloaded model file.
"""
fname = f"{cls.name(*args, **kwargs)}.onnx"
pooch.retrieve(
"https://github.com/danielgatis/rembg/releases/download/v0.0.0/BiRefNet-portrait-epoch_150.onnx",
(
None
if cls.checksum_disabled(*args, **kwargs)
else "md5:c3a64a6abf20250d090cd055f12a3b67"
),
fname=fname,
path=cls.u2net_home(*args, **kwargs),
progressbar=True,
)
return os.path.join(cls.u2net_home(*args, **kwargs), fname)
@classmethod
def name(cls, *args, **kwargs):
"""
Returns the name of the BiRefNet-Portrait session.
Parameters:
*args: Additional positional arguments.
**kwargs: Additional keyword arguments.
Returns:
str: The name of the session.
"""
return "birefnet-portrait"
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