def test_python_interpreter(tmpdir):
"""Test the validation of the python interpreter."""
# Set a non existing python interpreter
interpreter = str(tmpdir.mkdir('interpreter').join('python'))
CONF.set('main_interpreter', 'default', False)
CONF.set('main_interpreter', 'custom', True)
CONF.set('main_interpreter', 'executable', interpreter)
# Create a kernel spec
kernel_spec = SpyderKernelSpec()
# Assert that the python interprerter is the default one
assert interpreter not in kernel_spec.argv
assert CONF.get('main_interpreter', 'default')
assert not CONF.get('main_interpreter', 'custom')
def start_new_kernel(startup_timeout=60, kernel_name='python', spykernel=False,
**kwargs):
"""Start a new kernel, and return its Manager and Client"""
km = KernelManager(kernel_name=kernel_name)
if spykernel:
km._kernel_spec = SpyderKernelSpec()
km.start_kernel(**kwargs)
kc = km.client()
kc.start_channels()
try:
kc.wait_for_ready(timeout=startup_timeout)
except RuntimeError:
kc.stop_channels()
km.shutdown_kernel()
raise
return km, kc
def test_env_vars():
"""Test that we are correctly encoding env vars in our kernel spec"""
# Create a variable with the file system encoding and save it
# in our PYTHONPATH
env_var = to_fs_from_unicode(u'ñññ')
CONF.set('main', 'spyder_pythonpath', [env_var])
# Create a kernel spec
kernel_spec = SpyderKernelSpec()
# Assert PYTHONPATH is in env vars and it's not empty
assert kernel_spec.env['PYTHONPATH'] != ''
# Assert all env vars are binary strings
assert all([is_binary_string(v) for v in kernel_spec.env.values()])
# Remove our entry from PYTHONPATH
CONF.set('main', 'spyder_pythonpath', [])
def test_preserve_pypath(tmpdir, default_interpreter):
"""
Test that we preserve PYTHONPATH in the env vars passed to the kernel
when an external interpreter is used or not.
Regression test for issue 8681.
"""
# Set default interpreter value
CONF.set('main_interpreter', 'default', default_interpreter)
# Add a path to PYTHONPATH env var
pypath = to_text_string(tmpdir.mkdir('test-pypath'))
os.environ['PYTHONPATH'] = pypath
# Check that PYTHONPATH is in our kernelspec
kernel_spec = SpyderKernelSpec()
assert pypath in kernel_spec.env['PYTHONPATH']
# Restore default value
CONF.set('main_interpreter', 'default', True)