# Licensed under a 3-clause BSD style license - see README.rst

"""

Handle loading joblib package from system or from the bundled copy

"""

import sys

_dest_root = 'sklearn.externals.joblib'

# Trying to load alternate packages

sys.modules[_dest_root] = None

# We have removed everything we already imported

# Importing again

import sys 

_system_package = False

_dest_root = 'sklearn.externals.joblib'

try:

    import joblib

    _system_package = True

except ImportError:

    _system_package = False

if _system_package:

    # Check version

    from distutils.version import StrictVersion

    _valid_version = False

    if StrictVersion(joblib.__version__) >= StrictVersion('0.8.0'):

        _valid_version = True

    if _valid_version:

        joblib.system_package = True

        joblib.bundled_package = False

        sys.modules[_dest_root] = joblib

    else:

        _system_package = False

if not _system_package:

    import sklearn.externals.bundled.joblib as joblib

    joblib.system_package = False

    joblib.bundled_package = True

    sys.modules[_dest_root] = joblib