You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
39 lines
1.1 KiB
39 lines
1.1 KiB
import sys
|
|
import importlib
|
|
from importlib.util import LazyLoader, find_spec, module_from_spec
|
|
import pytest
|
|
|
|
|
|
# Warning raised by _reload_guard() in numpy/__init__.py
|
|
@pytest.mark.filterwarnings("ignore:The NumPy module was reloaded")
|
|
def test_lazy_load():
|
|
# gh-22045. lazyload doesn't import submodule names into the namespace
|
|
# muck with sys.modules to test the importing system
|
|
old_numpy = sys.modules.pop("numpy")
|
|
|
|
numpy_modules = {}
|
|
for mod_name, mod in list(sys.modules.items()):
|
|
if mod_name[:6] == "numpy.":
|
|
numpy_modules[mod_name] = mod
|
|
sys.modules.pop(mod_name)
|
|
|
|
try:
|
|
# create lazy load of numpy as np
|
|
spec = find_spec("numpy")
|
|
module = module_from_spec(spec)
|
|
sys.modules["numpy"] = module
|
|
loader = LazyLoader(spec.loader)
|
|
loader.exec_module(module)
|
|
np = module
|
|
|
|
# test a subpackage import
|
|
from numpy.lib import recfunctions
|
|
|
|
# test triggering the import of the package
|
|
np.ndarray
|
|
|
|
finally:
|
|
if old_numpy:
|
|
sys.modules["numpy"] = old_numpy
|
|
sys.modules.update(numpy_modules)
|