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from distutils.version import LooseVersion
import pytest
from _pytest.doctest import DoctestItem
import logging
from joblib.parallel import mp
try:
import lz4
except ImportError:
lz4 = None
try:
from distributed.utils_test import loop
except ImportError:
loop = None
# Would crash on older systems
collect_ignore = ["joblib/test/_openmp_test_helper/setup.py"]
def pytest_collection_modifyitems(config, items):
skip_doctests = True
# We do not want to run the doctests if multiprocessing is disabled
# e.g. via the JOBLIB_MULTIPROCESSING env variable
if mp is not None:
try:
# numpy changed the str/repr formatting of numpy arrays in 1.14.
# We want to run doctests only for numpy >= 1.14.
import numpy as np
if LooseVersion(np.__version__) >= LooseVersion('1.14'):
skip_doctests = False
except ImportError:
pass
if skip_doctests:
skip_marker = pytest.mark.skip(
reason='doctests are only run for numpy >= 1.14')
for item in items:
if isinstance(item, DoctestItem):
item.add_marker(skip_marker)
if lz4 is None:
for item in items:
if item.name == 'persistence.rst':
item.add_marker(pytest.mark.skip(reason='lz4 is missing'))
def pytest_configure(config):
"""Setup multiprocessing logging for the tests"""
if mp is not None:
log = mp.util.log_to_stderr(logging.DEBUG)
log.handlers[0].setFormatter(logging.Formatter(
'[%(levelname)s:%(processName)s:%(threadName)s] %(message)s'))
def pytest_unconfigure(config):
# Setup a global traceback printer callback to debug deadlocks that
# would happen once pytest has completed: for instance in atexit
# finalizers. At this point the stdout/stderr capture of pytest
# should be disabled.
# Note that we also use a shorter timeout for the per-test callback
# configured via the pytest-timeout extension.
import faulthandler
faulthandler.dump_traceback_later(60, exit=True)
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