LightGBM Python Package
Project description
Installation
Preparation
setuptools is needed.
For Mac OS X users, gcc with OpenMP support must be installed first. Refer to wiki for installing gcc with OpenMP support.
Note: 32-bit python is not supported. Please install 64-bit version.
Install from pip
Install wheel via pip install wheel first. For windows user, VC runtime is needed if Visual Studio(2015 or 2017) is not installed.
Install from wheel package:
pip install lightgbm
Install from source package:
pip install --no-binary :all: lightgbm
Note: Installation from source package require installing cmake first, and Visual Studio (or MS Build) is needed in Windows.
For the MinGW build in Windows or GPU support, please install the latest version from GitHub.
Install from GitHub
Installation from GitHub require installing cmake first, and Visual Studio (or MS Build) is needed in Windows.
git clone --recursive https://github.com/Microsoft/LightGBM
cd LightGBM/python-package
python setup.py installsudo (or administrator rights in Windows) may is needed to perform python setup.py install.
Use python setup.py install --mingw to use MinGW in Windows.
Use python setup.py install --gpu to enable GPU support. Boost and OpenCL are needed: details for installation can be found in gpu-support.
Examples
Refer to the walk through examples in python-guide folder
Troubleshooting
Refer to FAQ
Developments
The code style of python package follows pep8. If you would like to make a contribution and not familiar with pep-8, please check the pep8 style guide first. Otherwise, the check won’t pass. You should be careful about:
E1 Indentation (check pep8 link above)
E202 whitespace before and after brackets
E225 missing whitespace around operator
E226 missing whitespace around arithmetic operator
E261 at least two spaces before inline comment
E301 expected 1 blank line in front of and at the end of a method
E302 expected 2 blank lines in front of and at the end of a function or a class
E501 can be ignored (line too long).
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Source Distribution
Built Distributions
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