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from __future__ import print_function
import os
import re
import sys
import time
import signal
import traceback
import __res
from __res import importer
def setup_test_environment():
try:
from yatest_lib.ya import Ya
import yatest.common as yc
yc.runtime._set_ya_config(ya=Ya())
except ImportError:
pass
def check_imports(no_check=(), extra=(), skip_func=None, py_main=None):
"""
tests all bundled modules are importable
just add
"PEERDIR(library/python/import_test)" to your CMakeLists.txt and
"from import_test import test_imports" to your python test source file.
"""
str_ = lambda s: s
if not isinstance(b'', str):
str_ = lambda s: s.decode('UTF-8')
exceptions = list(no_check)
for key, _ in __res.iter_keys(b'py/no_check_imports/'):
exceptions += str_(__res.find(key)).split()
if exceptions:
exceptions.sort()
print('NO_CHECK_IMPORTS', ' '.join(exceptions))
# all test modules get imported when tests are run
exceptions.append('__tests__.*')
patterns = [re.escape(s).replace(r'\*', r'.*') for s in exceptions]
rx = re.compile('^({})$'.format('|'.join(patterns)))
failed = []
import_times = {}
norm = lambda s: s[:-9] if s.endswith('.__init__') else s
modules = sys.extra_modules | set(extra)
modules = sorted(modules, key=norm)
if py_main:
modules = [py_main] + modules
for module in modules:
if module not in extra and (rx.search(module) or skip_func and skip_func(module)):
print('SKIP', module)
continue
name = module.rsplit('.', 1)[-1]
if name == '__main__' and 'if __name__ ==' not in importer.get_source(module):
print('SKIP', module, '''without "if __name__ == '__main__'" check''')
continue
def print_backtrace_marked(e):
tb_exc = traceback.format_exception(*e)
for item in tb_exc:
for l in item.splitlines():
print('FAIL:', l, file=sys.stderr)
try:
print('TRY', module)
# XXX waiting for py3 to use print(..., flush=True)
sys.stdout.flush()
s = time.time()
if module == '__main__':
importer.load_module('__main__', '__main__py')
elif module.endswith('.__init__'):
__import__(module[:-len('.__init__')])
else:
__import__(module)
delay = time.time() - s
import_times[str(module)] = delay
print('OK ', module, '{:.3f}s'.format(delay))
except Exception as e:
print('FAIL:', module, e, file=sys.stderr)
print_backtrace_marked(sys.exc_info())
failed.append('{}: {}'.format(module, e))
except:
e = sys.exc_info()
print('FAIL:', module, e, file=sys.stderr)
print_backtrace_marked(e)
failed.append('{}: {}'.format(module, e))
raise
print("Slowest imports:")
for m, t in sorted(import_times.items(), key=lambda x: x[1], reverse=True)[:30]:
print(' ', '{:.3f}s'.format(t), m)
if failed:
raise ImportError('modules not imported:\n' + '\n'.join(failed))
test_imports = check_imports
def main():
setup_test_environment()
skip_names = sys.argv[1:]
try:
import faulthandler
except ImportError:
faulthandler = None
if faulthandler:
# Dump python backtrace in case of any errors
faulthandler.enable()
if hasattr(signal, "SIGUSR2"):
# SIGUSR2 is used by test_tool to teardown tests
faulthandler.register(signal.SIGUSR2, chain=True)
os.environ['Y_PYTHON_IMPORT_TEST'] = ''
# We should initialize Django before importing any applications
if os.getenv('DJANGO_SETTINGS_MODULE'):
try:
import django
except ImportError:
pass
else:
django.setup()
py_main = __res.find('PY_MAIN')
if py_main:
py_main_module = py_main.split(b':', 1)[0].decode('UTF-8')
else:
py_main_module = None
try:
check_imports(no_check=skip_names, py_main=py_main_module)
except:
sys.exit(1)
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