mac 安装lightgbm安装成功，import lightgbm出错

最新推荐文章于 2025-05-03 09:07:35 发布

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最新推荐文章于 2025-05-03 09:07:35 发布

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1、安装命令

pip3 install lightgbm -i http://pypi.douban.com/simple/ --trusted-host pypi.douban.com

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python命令行模式下，import lightgbm报错，错误信息如下所示

import lightgbm

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/lightgbm/__init__.py", line 8, in <module>
    from .basic import Booster, Dataset, Sequence, register_logger
  File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/lightgbm/basic.py", line 110, in <module>
    _LIB = _load_lib()
  File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/lightgbm/basic.py", line 101, in _load_lib
    lib = ctypes.cdll.LoadLibrary(lib_path[0])
  File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/ctypes/__init__.py", line 442, in LoadLibrary
    return self._dlltype(name)
  File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/ctypes/__init__.py", line 364, in __init__
    self._handle = _dlopen(self._name, mode)
OSError: dlopen(/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/lightgbm/lib_lightgbm.so, 0x0006): Library not loaded: '/usr/local/opt/libomp/lib/libomp.dylib'
  Referenced from: '/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/lightgbm/lib_lightgbm.so'
  Reason: tried: '/usr/local/opt/libomp/lib/libomp.dylib' (no such file), '/usr/local/lib/libomp.dylib' (no such file), '/usr/lib/libomp.dylib' (no such file)

2、解决：安装libomp

brew install libomp

出现错误，按提示执行命令

Error: You have not agreed to the Xcode license. Please resolve this by running:
  sudo xcodebuild -license accept

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重新brew install libomp，如果还有出错，解决方式如下：
参考文章链接：brew install libomp失败解决方法

检验一下结果

终端输入python3
Python 3.7.4rc1 (v3.7.4rc1:b26441ee1f, Jun 18 2019, 17:48:48)
[Clang 6.0 (clang-600.0.57)] on darwin
Type “help”, “copyright”, “credits” or “license” for more information.

>>> import lightgbm
>>>

OK，解决~