def test_pythonpackage_pick_python_cmd(self):
"""Test pick_python_cmd function from pythonpackage.py."""
from easybuild.easyblocks.generic.pythonpackage import pick_python_cmd
self.assertTrue(pick_python_cmd() is not None)
self.assertTrue(pick_python_cmd(2) is not None)
self.assertTrue(pick_python_cmd(2, 6) is not None)
self.assertTrue(pick_python_cmd(123, 456) is None)
def test_pythonpackage_pick_python_cmd(self):
"""Test pick_python_cmd function from pythonpackage.py."""
from easybuild.easyblocks.generic.pythonpackage import pick_python_cmd
self.assertTrue(pick_python_cmd() is not None)
self.assertTrue(pick_python_cmd(2) is not None)
self.assertTrue(pick_python_cmd(2, 6) is not None)
self.assertTrue(pick_python_cmd(123, 456) is None)
def prepare_step(self, *args, **kwargs):
"""Prepare for installing bundle of Python packages."""
super(Bundle, self).prepare_step(*args, **kwargs)
python_root = get_software_root('Python')
if python_root is None:
raise EasyBuildError("Python not included as dependency!")
# when system Python is used, the first 'python' command in $PATH will not be $EBROOTPYTHON/bin/python,
# since $EBROOTPYTHON is set to just 'Python' in that case
# (see handling of allow_system_deps in EasyBlock.prepare_step)
if which('python') == os.path.join(python_root, 'bin', 'python'):
# if we're using a proper Python dependency, let det_pylibdir use 'python' like it does by default
python_cmd = None
else:
# since det_pylibdir will use 'python' by default as command to determine Python lib directory,
# we need to intervene when the system Python is used, by specifying version requirements
# to pick_python_cmd so the right 'python' command is used;
# if we're using the system Python and no Python version requirements are specified,
# use major/minor version of Python being used in this EasyBuild session (as we also do in PythonPackage)
req_py_majver = self.cfg['req_py_majver']
if req_py_majver is None:
req_py_majver = sys.version_info[0]
req_py_minver = self.cfg['req_py_minver']
if req_py_minver is None:
req_py_minver = sys.version_info[1]
python_cmd = pick_python_cmd(req_maj_ver=req_py_majver,
req_min_ver=req_py_minver)
self.pylibdir = det_pylibdir(python_cmd=python_cmd)
