def pytest_runtest_protocol(item):
enabled = item.config.getoption('fault_handler')
timeout = item.config.getoption('fault_handler_timeout')
timeout_supported = timeout_support_available()
if enabled and timeout > 0 and timeout_supported:
import faulthandler
stderr = item.config.fault_handler_stderr
faulthandler.dump_traceback_later(timeout, file=stderr)
try:
yield
finally:
faulthandler.cancel_dump_traceback_later()
else:
yield
def pytest_exception_interact(self) -> None:
"""Cancel any traceback dumping due to an interactive exception being
raised."""
import faulthandler
faulthandler.cancel_dump_traceback_later()
def tearDown(self):
self.stop_alarm()
signal.signal(signal.SIGALRM, self.orig_handler)
faulthandler.cancel_dump_traceback_later()
def runtest(ns, test):
"""Run a single test.
test -- the name of the test
verbose -- if true, print more messages
quiet -- if true, don't print 'skipped' messages (probably redundant)
huntrleaks -- run multiple times to test for leaks; requires a debug
build; a triple corresponding to -R's three arguments
output_on_failure -- if true, display test output on failure
timeout -- dump the traceback and exit if a test takes more than
timeout seconds
failfast, match_tests -- See regrtest command-line flags for these.
pgo -- if true, suppress any info irrelevant to a generating a PGO build
Returns the tuple result, test_time, where result is one of the constants:
INTERRUPTED KeyboardInterrupt when run under -j
RESOURCE_DENIED test skipped because resource denied
SKIPPED test skipped for some other reason
ENV_CHANGED test failed because it changed the execution environment
FAILED test failed
PASSED test passed
"""
verbose = ns.verbose
quiet = ns.quiet
huntrleaks = ns.huntrleaks
output_on_failure = ns.verbose3
failfast = ns.failfast
match_tests = ns.match_tests
timeout = ns.timeout
pgo = ns.pgo
use_timeout = (timeout is not None)
if use_timeout:
faulthandler.dump_traceback_later(timeout, exit=True)
try:
support.match_tests = match_tests
if failfast:
support.failfast = True
if output_on_failure:
support.verbose = True
# Reuse the same instance to all calls to runtest(). Some
# tests keep a reference to sys.stdout or sys.stderr
# (eg. test_argparse).
if runtest.stringio is None:
stream = io.StringIO()
runtest.stringio = stream
else:
stream = runtest.stringio
stream.seek(0)
stream.truncate()
orig_stdout = sys.stdout
orig_stderr = sys.stderr
try:
sys.stdout = stream
sys.stderr = stream
result = runtest_inner(ns, test, verbose, quiet, huntrleaks,
display_failure=False, pgo=pgo)
if result[0] == FAILED:
output = stream.getvalue()
orig_stderr.write(output)
orig_stderr.flush()
finally:
sys.stdout = orig_stdout
sys.stderr = orig_stderr
else:
support.verbose = verbose # Tell tests to be moderately quiet
result = runtest_inner(ns, test, verbose, quiet, huntrleaks,
display_failure=not verbose, pgo=pgo)
return result
finally:
if use_timeout:
faulthandler.cancel_dump_traceback_later()
cleanup_test_droppings(test, verbose)
def run_tests_multiprocess(regrtest):
output = queue.Queue()
pending = MultiprocessIterator(regrtest.tests)
test_timeout = regrtest.ns.timeout
use_timeout = (test_timeout is not None)
workers = [
MultiprocessThread(pending, output, regrtest.ns)
for i in range(regrtest.ns.use_mp)
]
print("Run tests in parallel using %s child processes" % len(workers))
for worker in workers:
worker.start()
def get_running(workers):
running = []
for worker in workers:
current_test = worker.current_test
if not current_test:
continue
dt = time.monotonic() - worker.start_time
if dt >= PROGRESS_MIN_TIME:
text = '%s (%s)' % (current_test, format_duration(dt))
running.append(text)
return running
finished = 0
test_index = 1
get_timeout = max(PROGRESS_UPDATE, PROGRESS_MIN_TIME)
try:
while finished < regrtest.ns.use_mp:
if use_timeout:
faulthandler.dump_traceback_later(test_timeout, exit=True)
try:
item = output.get(timeout=get_timeout)
except queue.Empty:
running = get_running(workers)
if running and not regrtest.ns.pgo:
print('running: %s' % ', '.join(running), flush=True)
continue
test, stdout, stderr, result = item
if test is None:
finished += 1
continue
regrtest.accumulate_result(test, result)
# Display progress
ok, test_time, xml_data = result
text = format_test_result(test, ok)
if (ok not in (CHILD_ERROR, INTERRUPTED)
and test_time >= PROGRESS_MIN_TIME
and not regrtest.ns.pgo):
text += ' (%s)' % format_duration(test_time)
elif ok == CHILD_ERROR:
text = '%s (%s)' % (text, test_time)
running = get_running(workers)
if running and not regrtest.ns.pgo:
text += ' -- running: %s' % ', '.join(running)
regrtest.display_progress(test_index, text)
# Copy stdout and stderr from the child process
if stdout:
print(stdout, flush=True)
if stderr and not regrtest.ns.pgo:
print(stderr, file=sys.stderr, flush=True)
if result[0] == INTERRUPTED:
raise KeyboardInterrupt
test_index += 1
except KeyboardInterrupt:
regrtest.interrupted = True
pending.interrupted = True
print()
finally:
if use_timeout:
faulthandler.cancel_dump_traceback_later()
# If tests are interrupted, wait until tests complete
wait_start = time.monotonic()
while True:
running = [worker.current_test for worker in workers]
running = list(filter(bool, running))
if not running:
break
dt = time.monotonic() - wait_start
line = "Waiting for %s (%s tests)" % (', '.join(running), len(running))
if dt >= WAIT_PROGRESS:
line = "%s since %.0f sec" % (line, dt)
print(line, flush=True)
for worker in workers:
worker.join(WAIT_PROGRESS)
def _cancel_traceback_dump():
"""Cancel traceback dumping if timeout support is available.
"""
if timeout_support_available():
import faulthandler
faulthandler.cancel_dump_traceback_later()
def tearDownClass(cls):
cls.stop_alarm()
signal.signal(signal.SIGALRM, cls.orig_handler)
if hasattr(faulthandler, 'cancel_dump_traceback_later'):
faulthandler.cancel_dump_traceback_later()
def runtest(ns, test):
"""Run a single test.
ns -- regrtest namespace of options
test -- the name of the test
Returns the tuple (result, test_time), where result is one of the
constants:
INTERRUPTED KeyboardInterrupt when run under -j
RESOURCE_DENIED test skipped because resource denied
SKIPPED test skipped for some other reason
ENV_CHANGED test failed because it changed the execution environment
FAILED test failed
PASSED test passed
"""
output_on_failure = ns.verbose3
use_timeout = (ns.timeout is not None)
if use_timeout:
faulthandler.dump_traceback_later(ns.timeout, exit=True)
try:
support.match_tests = ns.match_tests
if ns.failfast:
support.failfast = True
if output_on_failure:
support.verbose = True
# Reuse the same instance to all calls to runtest(). Some
# tests keep a reference to sys.stdout or sys.stderr
# (eg. test_argparse).
if runtest.stringio is None:
stream = io.StringIO()
runtest.stringio = stream
else:
stream = runtest.stringio
stream.seek(0)
stream.truncate()
orig_stdout = sys.stdout
orig_stderr = sys.stderr
try:
sys.stdout = stream
sys.stderr = stream
result = runtest_inner(ns, test, display_failure=False)
if result[0] != PASSED:
output = stream.getvalue()
orig_stderr.write(output)
orig_stderr.flush()
finally:
sys.stdout = orig_stdout
sys.stderr = orig_stderr
else:
support.verbose = ns.verbose # Tell tests to be moderately quiet
result = runtest_inner(ns, test, display_failure=not ns.verbose)
return result
finally:
if use_timeout:
faulthandler.cancel_dump_traceback_later()
cleanup_test_droppings(test, ns.verbose)
def main(args):
# Set up faulthandler
faulthandler.enable()
# Set up logging and devices
args.save_dir = util.get_save_dir(args.save_dir, args.name, training=True)
log = util.get_logger(args.save_dir, args.name)
tbx = SummaryWriter(args.save_dir)
device, args.gpu_ids = util.get_available_devices()
log.info(f'Args: {dumps(vars(args), indent=4, sort_keys=True)}')
args.batch_size *= max(1, len(args.gpu_ids))
# Set random seed
log.info(f'Using random seed {args.seed}...')
random.seed(args.seed)
torch.manual_seed(args.seed)
torch.cuda.manual_seed_all(args.seed)
# Get embeddings
log.info('Loading embeddings...')
word_vectors = util.torch_from_json(args.word_emb_file)
char_vectors = util.torch_from_json(args.char_emb_file)
# Get model
log.info('Building model...')
model_params = {
'word_vectors': word_vectors,
'char_vectors': char_vectors,
'args': args
}
model = get_model(args.model, model_params)
print('Model size: {:f} MB'.format(
sum(p.nelement() * p.element_size()
for p in model.parameters()) / (1024 * 1024)))
# model = nn.DataParallel(model, args.gpu_ids)
if args.load_path:
log.info(f'Loading checkpoint from {args.load_path}...')
model, step = util.load_model(model, args.load_path, args.gpu_ids)
else:
step = 0
model = model.to(device)
model.train()
ema = util.EMA(model, args.ema_decay)
# Get saver
saver = util.CheckpointSaver(args.save_dir,
max_checkpoints=args.max_checkpoints,
metric_name=args.metric_name,
maximize_metric=args.maximize_metric,
log=log)
# Get optimizer and scheduler
optimizer = optim.Adadelta(model.parameters(),
args.lr,
weight_decay=args.l2_wd)
scheduler = sched.LambdaLR(optimizer, lambda s: 1.) # Constant LR
# Get data loader
log.info('Building dataset...')
train_dataset = SQuAD(args.train_record_file, args.use_squad_v2)
train_loader = data.DataLoader(train_dataset,
batch_size=args.batch_size,
shuffle=True,
num_workers=args.num_workers,
collate_fn=collate_fn)
dev_dataset = SQuAD(args.dev_record_file, args.use_squad_v2)
dev_loader = data.DataLoader(dev_dataset,
batch_size=args.batch_size,
shuffle=False,
num_workers=args.num_workers,
collate_fn=collate_fn)
# Train
log.info('Training...')
steps_till_eval = args.eval_steps
epoch = step // len(train_dataset)
while epoch != args.num_epochs:
epoch += 1
log.info(f'Starting epoch {epoch}...')
with torch.enable_grad(), \
tqdm(total=len(train_loader.dataset)) as progress_bar:
for cw_idxs, cc_idxs, qw_idxs, qc_idxs, y1, y2, ids in train_loader:
progress_bar.set_description(
'Batch data_loading finished'.ljust(30))
progress_bar.refresh()
# Setup for forward
cw_idxs = cw_idxs.to(device)
qw_idxs = qw_idxs.to(device)
cc_idxs = cc_idxs.to(device)
qc_idxs = qc_idxs.to(device)
batch_size = cw_idxs.size(0)
optimizer.zero_grad()
progress_bar.set_description(
'Batch initialization finished'.ljust(30))
progress_bar.refresh()
# Forward
faulthandler.dump_traceback_later(timeout=3)
log_p1, log_p2 = model(cw_idxs, cc_idxs, qw_idxs, qc_idxs)
faulthandler.cancel_dump_traceback_later()
progress_bar.set_description(
'Batch forward finished'.ljust(30))
progress_bar.refresh()
y1, y2 = y1.to(device), y2.to(device)
loss = F.nll_loss(log_p1, y1) + F.nll_loss(log_p2, y2)
loss_val = loss.item()
# Backward
faulthandler.dump_traceback_later(timeout=3)
loss.backward()
faulthandler.cancel_dump_traceback_later()
progress_bar.set_description(
'Batch backward finished'.ljust(30))
progress_bar.refresh()
nn.utils.clip_grad_norm_(model.parameters(),
args.max_grad_norm)
optimizer.step()
progress_bar.set_description('Optimization finished'.ljust(30))
progress_bar.refresh()
scheduler.step()
ema(model, step // batch_size)
# Log info
step += batch_size
progress_bar.update(batch_size)
progress_bar.set_postfix(epoch=epoch, NLL=loss_val)
tbx.add_scalar('train/NLL', loss_val, step)
tbx.add_scalar('train/LR', optimizer.param_groups[0]['lr'],
step)
steps_till_eval -= batch_size
if steps_till_eval <= 0:
steps_till_eval = args.eval_steps
# Evaluate and save checkpoint
log.info(f'Evaluating at step {step}...')
ema.assign(model)
results, pred_dict = evaluate(model, dev_loader, device,
args.dev_eval_file,
args.max_ans_len,
args.use_squad_v2)
progress_bar.set_description(
'Evaluation finished'.ljust(30))
progress_bar.refresh()
saver.save(step, model, results[args.metric_name], device)
ema.resume(model)
# Log to console
results_str = ', '.join(f'{k}: {v:05.2f}'
for k, v in results.items())
log.info(f'Dev {results_str}')
# Log to TensorBoard
log.info('Visualizing in TensorBoard...')
for k, v in results.items():
tbx.add_scalar(f'dev/{k}', v, step)
util.visualize(tbx,
pred_dict=pred_dict,
eval_path=args.dev_eval_file,
step=step,
split='dev',
num_visuals=args.num_visuals)
def _cancel_traceback_dump():
"""Cancel traceback dumping if timeout support is available.
"""
if timeout_support_available():
import faulthandler
faulthandler.cancel_dump_traceback_later()
def run_tests_multiprocess(regrtest):
output = queue.Queue()
pending = MultiprocessIterator(regrtest.tests)
test_timeout = regrtest.ns.timeout
use_timeout = (test_timeout is not None)
workers = [MultiprocessThread(pending, output, regrtest.ns)
for i in range(regrtest.ns.use_mp)]
print("Run tests in parallel using %s child processes"
% len(workers))
for worker in workers:
worker.start()
def get_running(workers):
running = []
for worker in workers:
current_test = worker.current_test
if not current_test:
continue
dt = time.monotonic() - worker.start_time
if dt >= PROGRESS_MIN_TIME:
text = '%s (%s)' % (current_test, format_duration(dt))
running.append(text)
return running
finished = 0
test_index = 1
get_timeout = max(PROGRESS_UPDATE, PROGRESS_MIN_TIME)
try:
while finished < regrtest.ns.use_mp:
if use_timeout:
faulthandler.dump_traceback_later(test_timeout, exit=True)
try:
item = output.get(timeout=get_timeout)
except queue.Empty:
running = get_running(workers)
if running and not regrtest.ns.pgo:
print('running: %s' % ', '.join(running), flush=True)
continue
test, stdout, stderr, result = item
if test is None:
finished += 1
continue
regrtest.accumulate_result(test, result)
# Display progress
ok, test_time = result
text = format_test_result(test, ok)
if (ok not in (CHILD_ERROR, INTERRUPTED)
and test_time >= PROGRESS_MIN_TIME
and not regrtest.ns.pgo):
text += ' (%s)' % format_duration(test_time)
elif ok == CHILD_ERROR:
text = '%s (%s)' % (text, test_time)
running = get_running(workers)
if running and not regrtest.ns.pgo:
text += ' -- running: %s' % ', '.join(running)
regrtest.display_progress(test_index, text)
# Copy stdout and stderr from the child process
if stdout:
print(stdout, flush=True)
if stderr and not regrtest.ns.pgo:
print(stderr, file=sys.stderr, flush=True)
if result[0] == INTERRUPTED:
raise KeyboardInterrupt
test_index += 1
except KeyboardInterrupt:
regrtest.interrupted = True
pending.interrupted = True
print()
finally:
if use_timeout:
faulthandler.cancel_dump_traceback_later()
# If tests are interrupted, wait until tests complete
wait_start = time.monotonic()
while True:
running = [worker.current_test for worker in workers]
running = list(filter(bool, running))
if not running:
break
dt = time.monotonic() - wait_start
line = "Waiting for %s (%s tests)" % (', '.join(running), len(running))
if dt >= WAIT_PROGRESS:
line = "%s since %.0f sec" % (line, dt)
print(line, flush=True)
for worker in workers:
worker.join(WAIT_PROGRESS)
def exit_on_deadlock():
dump_traceback_later(timeout=30, exit=True)
yield
cancel_dump_traceback_later()
def _runtest(ns: Namespace, test_name: str) -> TestResult:
# Handle faulthandler timeout, capture stdout+stderr, XML serialization
# and measure time.
output_on_failure = ns.verbose3
use_timeout = (ns.timeout is not None
and threading_helper.can_start_thread)
if use_timeout:
faulthandler.dump_traceback_later(ns.timeout, exit=True)
start_time = time.perf_counter()
try:
support.set_match_tests(ns.match_tests, ns.ignore_tests)
support.junit_xml_list = xml_list = [] if ns.xmlpath else None
if ns.failfast:
support.failfast = True
if output_on_failure:
support.verbose = True
stream = io.StringIO()
orig_stdout = sys.stdout
orig_stderr = sys.stderr
print_warning = support.print_warning
orig_print_warnings_stderr = print_warning.orig_stderr
output = None
try:
sys.stdout = stream
sys.stderr = stream
# print_warning() writes into the temporary stream to preserve
# messages order. If support.environment_altered becomes true,
# warnings will be written to sys.stderr below.
print_warning.orig_stderr = stream
result = _runtest_inner(ns, test_name, display_failure=False)
if not isinstance(result, Passed):
output = stream.getvalue()
finally:
sys.stdout = orig_stdout
sys.stderr = orig_stderr
print_warning.orig_stderr = orig_print_warnings_stderr
if output is not None:
sys.stderr.write(output)
sys.stderr.flush()
else:
# Tell tests to be moderately quiet
support.verbose = ns.verbose
result = _runtest_inner(ns,
test_name,
display_failure=not ns.verbose)
if xml_list:
import xml.etree.ElementTree as ET
result.xml_data = [
ET.tostring(x).decode('us-ascii') for x in xml_list
]
result.duration_sec = time.perf_counter() - start_time
return result
finally:
if use_timeout:
faulthandler.cancel_dump_traceback_later()
support.junit_xml_list = None
pythonDict["Variables"], pythonDict["Expression"] = sympy.cse(code)
for i, expr in enumerate(pythonDict["Variables"]):
pythonDict["Variables"][i] = {
"name": str(expr[0]),
"expr": str(expressionToCode(expr[1], language))
}
pythonDict["Expression"] = expressionToCode(pythonDict["Expression"][0],
language)
return pythonDict
# Begin Parsing
faulthandler.enable()
try:
# Timeout after 10 seconds if it doesn't return
faulthandler.dump_traceback_later(10)
command = sys.argv[1]
language = sys.argv[2]
expression = sympy.sympify(sys.argv[3])
assert expression is not None, "SymPy Error: Cannot evaluate expression!"
result = None
if (command == 'eval'):
print(json.dumps(convertSymPyToDict(expression, language), indent=4))
sys.stdout.flush()
finally:
faulthandler.cancel_dump_traceback_later()
def tearDownClass(cls):
cls.stop_alarm()
signal.signal(signal.SIGALRM, cls.orig_handler)
if hasattr(faulthandler, 'cancel_dump_traceback_later'):
faulthandler.cancel_dump_traceback_later()
def runtest(ns, test):
"""Run a single test.
ns -- regrtest namespace of options
test -- the name of the test
Returns the tuple (result, test_time, xml_data), where result is one
of the constants:
INTERRUPTED KeyboardInterrupt when run under -j
RESOURCE_DENIED test skipped because resource denied
SKIPPED test skipped for some other reason
ENV_CHANGED test failed because it changed the execution environment
FAILED test failed
PASSED test passed
EMPTY_TEST_SUITE test ran no subtests.
If ns.xmlpath is not None, xml_data is a list containing each
generated testsuite element.
"""
output_on_failure = ns.verbose3
use_timeout = (ns.timeout is not None)
if use_timeout:
faulthandler.dump_traceback_later(ns.timeout, exit=True)
try:
support.set_match_tests(ns.match_tests)
# reset the environment_altered flag to detect if a test altered
# the environment
support.environment_altered = False
support.junit_xml_list = xml_list = [] if ns.xmlpath else None
if ns.failfast:
support.failfast = True
if output_on_failure:
support.verbose = True
stream = io.StringIO()
orig_stdout = sys.stdout
orig_stderr = sys.stderr
try:
sys.stdout = stream
sys.stderr = stream
result = runtest_inner(ns, test, display_failure=False)
if result[0] != PASSED:
output = stream.getvalue()
orig_stderr.write(output)
orig_stderr.flush()
finally:
sys.stdout = orig_stdout
sys.stderr = orig_stderr
else:
support.verbose = ns.verbose # Tell tests to be moderately quiet
result = runtest_inner(ns, test, display_failure=not ns.verbose)
if xml_list:
import xml.etree.ElementTree as ET
xml_data = [ET.tostring(x).decode('us-ascii') for x in xml_list]
else:
xml_data = None
return result + (xml_data, )
finally:
if use_timeout:
faulthandler.cancel_dump_traceback_later()
cleanup_test_droppings(test, ns.verbose)
support.junit_xml_list = None
def tearDown(self):
self.stop_alarm()
signal.signal(signal.SIGALRM, self.orig_handler)
if hasattr(faulthandler, 'cancel_dump_traceback_later'):
faulthandler.cancel_dump_traceback_later()
def pytest_enter_pdb(self) -> None:
"""Cancel any traceback dumping due to timeout before entering pdb.
"""
import faulthandler
faulthandler.cancel_dump_traceback_later()
def runtest(ns, test):
"""Run a single test.
ns -- regrtest namespace of options
test -- the name of the test
Returns the tuple (result, test_time), where result is one of the
constants:
INTERRUPTED KeyboardInterrupt when run under -j
RESOURCE_DENIED test skipped because resource denied
SKIPPED test skipped for some other reason
ENV_CHANGED test failed because it changed the execution environment
FAILED test failed
PASSED test passed
"""
output_on_failure = ns.verbose3
use_timeout = (ns.timeout is not None)
if use_timeout:
faulthandler.dump_traceback_later(ns.timeout, exit=True)
try:
support.match_tests = ns.match_tests
# reset the environment_altered flag to detect if a test altered
# the environment
support.environment_altered = False
if ns.failfast:
support.failfast = True
if output_on_failure:
support.verbose = True
# Reuse the same instance to all calls to runtest(). Some
# tests keep a reference to sys.stdout or sys.stderr
# (eg. test_argparse).
if runtest.stringio is None:
stream = io.StringIO()
runtest.stringio = stream
else:
stream = runtest.stringio
stream.seek(0)
stream.truncate()
orig_stdout = sys.stdout
orig_stderr = sys.stderr
try:
sys.stdout = stream
sys.stderr = stream
result = runtest_inner(ns, test, display_failure=False)
if result[0] != PASSED:
output = stream.getvalue()
orig_stderr.write(output)
orig_stderr.flush()
finally:
sys.stdout = orig_stdout
sys.stderr = orig_stderr
else:
support.verbose = ns.verbose # Tell tests to be moderately quiet
result = runtest_inner(ns, test, display_failure=not ns.verbose)
return result
finally:
if use_timeout:
faulthandler.cancel_dump_traceback_later()
cleanup_test_droppings(test, ns.verbose)
def runtest(test, verbose, quiet,
huntrleaks=False, use_resources=None,
output_on_failure=False, failfast=False, match_tests=None,
timeout=None):
"""Run a single test.
test -- the name of the test
verbose -- if true, print more messages
quiet -- if true, don't print 'skipped' messages (probably redundant)
huntrleaks -- run multiple times to test for leaks; requires a debug
build; a triple corresponding to -R's three arguments
use_resources -- list of extra resources to use
output_on_failure -- if true, display test output on failure
timeout -- dump the traceback and exit if a test takes more than
timeout seconds
failfast, match_tests -- See regrtest command-line flags for these.
Returns the tuple result, test_time, where result is one of the constants:
INTERRUPTED KeyboardInterrupt when run under -j
RESOURCE_DENIED test skipped because resource denied
SKIPPED test skipped for some other reason
ENV_CHANGED test failed because it changed the execution environment
FAILED test failed
PASSED test passed
"""
if use_resources is not None:
support.use_resources = use_resources
use_timeout = (timeout is not None)
if use_timeout:
faulthandler.dump_traceback_later(timeout, exit=True)
try:
support.match_tests = match_tests
if failfast:
support.failfast = True
if output_on_failure:
support.verbose = True
# Reuse the same instance to all calls to runtest(). Some
# tests keep a reference to sys.stdout or sys.stderr
# (eg. test_argparse).
if runtest.stringio is None:
stream = io.StringIO()
runtest.stringio = stream
else:
stream = runtest.stringio
stream.seek(0)
stream.truncate()
orig_stdout = sys.stdout
orig_stderr = sys.stderr
try:
sys.stdout = stream
sys.stderr = stream
result = runtest_inner(test, verbose, quiet, huntrleaks,
display_failure=False)
if result[0] == FAILED:
output = stream.getvalue()
orig_stderr.write(output)
orig_stderr.flush()
finally:
sys.stdout = orig_stdout
sys.stderr = orig_stderr
else:
support.verbose = verbose # Tell tests to be moderately quiet
result = runtest_inner(test, verbose, quiet, huntrleaks,
display_failure=not verbose)
return result
finally:
if use_timeout:
faulthandler.cancel_dump_traceback_later()
cleanup_test_droppings(test, verbose)
def runtest(ns, test):
"""Run a single test.
ns -- regrtest namespace of options
test -- the name of the test
Returns the tuple (result, test_time, xml_data), where result is one
of the constants:
INTERRUPTED KeyboardInterrupt when run under -j
RESOURCE_DENIED test skipped because resource denied
SKIPPED test skipped for some other reason
ENV_CHANGED test failed because it changed the execution environment
FAILED test failed
PASSED test passed
EMPTY_TEST_SUITE test ran no subtests.
If ns.xmlpath is not None, xml_data is a list containing each
generated testsuite element.
"""
output_on_failure = ns.verbose3
use_timeout = (ns.timeout is not None)
if use_timeout:
faulthandler.dump_traceback_later(ns.timeout, exit=True)
try:
support.set_match_tests(ns.match_tests)
# reset the environment_altered flag to detect if a test altered
# the environment
support.environment_altered = False
support.junit_xml_list = xml_list = [] if ns.xmlpath else None
if ns.failfast:
support.failfast = True
if output_on_failure:
support.verbose = True
stream = io.StringIO()
orig_stdout = sys.stdout
orig_stderr = sys.stderr
try:
sys.stdout = stream
sys.stderr = stream
result = runtest_inner(ns, test, display_failure=False)
if result[0] != PASSED:
output = stream.getvalue()
orig_stderr.write(output)
orig_stderr.flush()
finally:
sys.stdout = orig_stdout
sys.stderr = orig_stderr
else:
support.verbose = ns.verbose # Tell tests to be moderately quiet
result = runtest_inner(ns, test, display_failure=not ns.verbose)
if xml_list:
import xml.etree.ElementTree as ET
xml_data = [ET.tostring(x).decode('us-ascii') for x in xml_list]
else:
xml_data = None
return result + (xml_data,)
finally:
if use_timeout:
faulthandler.cancel_dump_traceback_later()
cleanup_test_droppings(test, ns.verbose)
support.junit_xml_list = None
