mirror of https://github.com/vladmandic/automatic
65 lines
2.1 KiB
Python
65 lines
2.1 KiB
Python
# MIT-Han-Lab Nunchaku: <https://github.com/mit-han-lab/nunchaku>
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from installer import log, pip
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from modules import devices
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ver = '1.0.0'
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ok = False
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def check():
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global ok # pylint: disable=global-statement
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if ok:
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return True
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try:
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import nunchaku
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import nunchaku.utils
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log.info(f'Nunchaku: path={nunchaku.__path__} precision={nunchaku.utils.get_precision()}')
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ok = True
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return True
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except Exception as e:
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log.error(f'Nunchaku: {e}')
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ok = False
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return False
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def install_nunchaku():
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if devices.backend is None:
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return False # too early
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if not check():
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import os
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import sys
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import platform
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import importlib
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import pkg_resources
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import torch
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python_ver = f'{sys.version_info.major}{sys.version_info.minor}'
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if python_ver not in ['311', '312', '313']:
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log.error(f'Nunchaku: python={sys.version_info} unsupported')
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return False
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arch = platform.system().lower()
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if arch not in ['linux', 'windows']:
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log.error(f'Nunchaku: platform={arch} unsupported')
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return False
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if devices.backend not in ['cuda']:
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log.error(f'Nunchaku: backend={devices.backend} unsupported')
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return False
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torch_ver = torch.__version__[:3]
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if torch_ver not in ['2.5', '2.6', '2.7', '2.8', '2.9']:
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log.error(f'Nunchaku: torch={torch.__version__} unsupported')
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suffix = 'x86_64' if arch == 'linux' else 'win_amd64'
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url = os.environ.get('NUNCHAKU_COMMAND', None)
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if url is None:
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arch = f'{arch}_' if arch == 'linux' else ''
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url = f'https://huggingface.co/nunchaku-tech/nunchaku/resolve/main/nunchaku-{ver}'
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url += f'+torch{torch_ver}-cp{python_ver}-cp{python_ver}-{arch}{suffix}.whl'
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cmd = f'install --upgrade {url}'
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log.debug(f'Nunchaku: install="{url}"')
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pip(cmd, ignore=False, uv=False)
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importlib.reload(pkg_resources)
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if not check():
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log.error('Nunchaku: install failed')
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return False
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return True
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