2019-05-27 12:04:28 +08:00

52 lines
2.2 KiB
Python

# coding: utf-8
"""Find the path to xgboost dynamic library files."""
import os
import platform
import sys
class XGBoostLibraryNotFound(Exception):
"""Error thrown by when xgboost is not found"""
def find_lib_path():
"""Find the path to xgboost dynamic library files.
Returns
-------
lib_path: list(string)
List of all found library path to xgboost
"""
curr_path = os.path.dirname(os.path.abspath(os.path.expanduser(__file__)))
# make pythonpack hack: copy this directory one level upper for setup.py
dll_path = [curr_path, os.path.join(curr_path, '../../lib/'),
os.path.join(curr_path, './lib/'),
os.path.join(sys.prefix, 'xgboost')]
if sys.platform == 'win32':
if platform.architecture()[0] == '64bit':
dll_path.append(os.path.join(curr_path, '../../windows/x64/Release/'))
# hack for pip installation when copy all parent source directory here
dll_path.append(os.path.join(curr_path, './windows/x64/Release/'))
else:
dll_path.append(os.path.join(curr_path, '../../windows/Release/'))
# hack for pip installation when copy all parent source directory here
dll_path.append(os.path.join(curr_path, './windows/Release/'))
dll_path = [os.path.join(p, 'xgboost.dll') for p in dll_path]
elif sys.platform.startswith('linux') or sys.platform.startswith('freebsd'):
dll_path = [os.path.join(p, 'libxgboost.so') for p in dll_path]
elif sys.platform == 'darwin':
dll_path = [os.path.join(p, 'libxgboost.dylib') for p in dll_path]
elif sys.platform == 'cygwin':
dll_path = [os.path.join(p, 'cygxgboost.dll') for p in dll_path]
lib_path = [p for p in dll_path if os.path.exists(p) and os.path.isfile(p)]
# From github issues, most of installation errors come from machines w/o compilers
if not lib_path and not os.environ.get('XGBOOST_BUILD_DOC', False):
raise XGBoostLibraryNotFound(
'Cannot find XGBoost Library in the candidate path, ' +
'did you install compilers and run build.sh in root path?\n'
'List of candidates:\n' + ('\n'.join(dll_path)))
return lib_path