Hendrik/xgboost
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

handle $PATH not being set in python library (#3845)

Browse Source 
Fixes #3844
This commit is contained in:
Jelle Zijlstra 2018-11-06 15:27:02 -08:00 committed by Philip Hyunsu Cho
parent 1bf4083dc6
commit d9642cf757
1 changed files with 7 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
python-package/xgboost/core.py
View File

@ -117,18 +117,23 @@ def _load_lib():
lib_paths = find_lib_path() lib_paths = find_lib_path()
if len(lib_paths) == 0: if len(lib_paths) == 0:
return None return None
pathBackup = os.environ['PATH'] try:
pathBackup = os.environ['PATH'].split(os.pathsep)
except KeyError:
pathBackup = []
lib_success = False lib_success = False
os_error_list = [] os_error_list = []
for lib_path in lib_paths: for lib_path in lib_paths:
try: try:
# needed when the lib is linked with non-system-available dependencies # needed when the lib is linked with non-system-available dependencies
os.environ['PATH'] = pathBackup + os.pathsep + os.path.dirname(lib_path) os.environ['PATH'] = os.pathsep.join(pathBackup + [os.path.dirname(lib_path)])
lib = ctypes.cdll.LoadLibrary(lib_path) lib = ctypes.cdll.LoadLibrary(lib_path)
lib_success = True lib_success = True
except OSError as e: except OSError as e:
os_error_list.append(str(e)) os_error_list.append(str(e))
continue continue
finally:
os.environ['PATH'] = os.pathsep.join(pathBackup)
if not lib_success: if not lib_success:
libname = os.path.basename(lib_paths[0]) libname = os.path.basename(lib_paths[0])
raise XGBoostError( raise XGBoostError(