runtests.py

   1 #!/usr/bin/python
   2
   3 import os
   4 import sys
   5 import re
   6 import gc
   7 import codecs
   8 import shutil
   9 import unittest
  10 import doctest
  11 import operator
  12 import tempfile
  13 import traceback
  14 try:
  15     from StringIO import StringIO
  16 except ImportError:
  17     from io import StringIO
  18
  19 try:
  20     import cPickle as pickle
  21 except ImportError:
  22     import pickle
  23
  24 try:
  25     import threading
  26 except ImportError: # No threads, no problems
  27     threading = None
  28
  29 WITH_CYTHON = True
  30
  31 from distutils.dist import Distribution
  32 from distutils.core import Extension
  33 from distutils.command.build_ext import build_ext as _build_ext
  34 distutils_distro = Distribution()
  35
  36 if sys.platform == 'win32':
  37     # TODO: Figure out why this hackery (see http://thread.gmane.org/gmane.comp.python.cython.devel/8280/).
  38     config_files = distutils_distro.find_config_files()
  39     try: config_files.remove('setup.cfg')
  40     except ValueError: pass
  41     distutils_distro.parse_config_files(config_files)
  42
  43     cfgfiles = distutils_distro.find_config_files()
  44     try: cfgfiles.remove('setup.cfg')
  45     except ValueError: pass
  46     distutils_distro.parse_config_files(cfgfiles)
  47
  48 TEST_DIRS = ['compile', 'errors', 'run', 'wrappers', 'pyregr', 'build']
  49 TEST_RUN_DIRS = ['run', 'wrappers', 'pyregr']
  50
  51 # Lists external modules, and a matcher matching tests
  52 # which should be excluded if the module is not present.
  53 EXT_DEP_MODULES = {
  54     'numpy' : re.compile('.*\.numpy_.*').match,
  55     'pstats' : re.compile('.*\.pstats_.*').match,
  56     'posix' : re.compile('.*\.posix_.*').match,
  57 }
  58
  59 def get_numpy_include_dirs():
  60     import numpy
  61     return [numpy.get_include()]
  62
  63 EXT_DEP_INCLUDES = [
  64     # test name matcher , callable returning list
  65     (re.compile('numpy_.*').match, get_numpy_include_dirs),
  66 ]
  67
  68 VER_DEP_MODULES = {
  69     # tests are excluded if 'CurrentPythonVersion OP VersionTuple', i.e.
  70     # (2,4) : (operator.lt, ...) excludes ... when PyVer < 2.4.x
  71     (2,4) : (operator.lt, lambda x: x in ['run.extern_builtins_T258',
  72                                           'run.builtin_sorted'
  73                                           ]),
  74     (2,5) : (operator.lt, lambda x: x in ['run.any',
  75                                           'run.all',
  76                                           ]),
  77     (2,6) : (operator.lt, lambda x: x in ['run.print_function',
  78                                           'run.cython3',
  79                                           'run.pure_py', # decorators, with statement
  80                                           ]),
  81     # The next line should start (3,); but this is a dictionary, so
  82     # we can only have one (3,) key.  Since 2.7 is supposed to be the
  83     # last 2.x release, things would have to change drastically for this
  84     # to be unsafe...
  85     (2,999): (operator.lt, lambda x: x in ['run.special_methods_T561_py3']),
  86     (3,): (operator.ge, lambda x: x in ['run.non_future_division',
  87                                         'compile.extsetslice',
  88                                         'compile.extdelslice',
  89                                         'run.special_methods_T561_py2']),
  90 }
  91
  92 # files that should not be converted to Python 3 code with 2to3
  93 KEEP_2X_FILES = [
  94     os.path.join('Cython', 'Debugger', 'Tests', 'test_libcython_in_gdb.py'),
  95     os.path.join('Cython', 'Debugger', 'Tests', 'test_libpython_in_gdb.py'),
  96     os.path.join('Cython', 'Debugger', 'libcython.py'),
  97     os.path.join('Cython', 'Debugger', 'libpython.py'),
  98 ]
  99
 100
 101 INCLUDE_DIRS = [ d for d in os.getenv('INCLUDE', '').split(os.pathsep) if d ]
 102 CFLAGS = os.getenv('CFLAGS', '').split()
 103
 104 class build_ext(_build_ext):
 105     def build_extension(self, ext):
 106         if ext.language == 'c++':
 107             try:
 108                 try: # Py2.7+ & Py3.2+
 109                     compiler_obj = self.compiler_obj
 110                 except AttributeError:
 111                     compiler_obj = self.compiler
 112                 compiler_obj.compiler_so.remove('-Wstrict-prototypes')
 113             except Exception:
 114                 pass
 115         _build_ext.build_extension(self, ext)
 116
 117 class ErrorWriter(object):
 118     match_error = re.compile('(warning:)?(?:.*:)?\s*([-0-9]+)\s*:\s*([-0-9]+)\s*:\s*(.*)').match
 119     def __init__(self):
 120         self.output = []
 121         self.write = self.output.append
 122
 123     def _collect(self, collect_errors, collect_warnings):
 124         s = ''.join(self.output)
 125         result = []
 126         for line in s.split('\n'):
 127             match = self.match_error(line)
 128             if match:
 129                 is_warning, line, column, message = match.groups()
 130                 if (is_warning and collect_warnings) or \
 131                         (not is_warning and collect_errors):
 132                     result.append( (int(line), int(column), message.strip()) )
 133         result.sort()
 134         return [ "%d:%d: %s" % values for values in result ]
 135
 136     def geterrors(self):
 137         return self._collect(True, False)
 138
 139     def getwarnings(self):
 140         return self._collect(False, True)
 141
 142     def getall(self):
 143         return self._collect(True, True)
 144
 145 class TestBuilder(object):
 146     def __init__(self, rootdir, workdir, selectors, exclude_selectors, annotate,
 147                  cleanup_workdir, cleanup_sharedlibs, with_pyregr, cython_only,
 148                  languages, test_bugs, fork, language_level):
 149         self.rootdir = rootdir
 150         self.workdir = workdir
 151         self.selectors = selectors
 152         self.exclude_selectors = exclude_selectors
 153         self.annotate = annotate
 154         self.cleanup_workdir = cleanup_workdir
 155         self.cleanup_sharedlibs = cleanup_sharedlibs
 156         self.with_pyregr = with_pyregr
 157         self.cython_only = cython_only
 158         self.languages = languages
 159         self.test_bugs = test_bugs
 160         self.fork = fork
 161         self.language_level = language_level
 162
 163     def build_suite(self):
 164         suite = unittest.TestSuite()
 165         test_dirs = TEST_DIRS
 166         filenames = os.listdir(self.rootdir)
 167         filenames.sort()
 168         for filename in filenames:
 169             if not WITH_CYTHON and filename == "errors":
 170                 # we won't get any errors without running Cython
 171                 continue
 172             path = os.path.join(self.rootdir, filename)
 173             if os.path.isdir(path) and filename in test_dirs:
 174                 if filename == 'pyregr' and not self.with_pyregr:
 175                     continue
 176                 suite.addTest(
 177                     self.handle_directory(path, filename))
 178         if sys.platform not in ['win32'] and sys.version_info[0] < 3:
 179             # Non-Windows makefile, can't run Cython under Py3.
 180             if [1 for selector in self.selectors if selector("embedded")]:
 181                 suite.addTest(unittest.makeSuite(EmbedTest))
 182         return suite
 183
 184     def handle_directory(self, path, context):
 185         workdir = os.path.join(self.workdir, context)
 186         if not os.path.exists(workdir):
 187             os.makedirs(workdir)
 188
 189         expect_errors = (context == 'errors')
 190         suite = unittest.TestSuite()
 191         filenames = os.listdir(path)
 192         filenames.sort()
 193         for filename in filenames:
 194             if context == "build" and filename.endswith(".srctree"):
 195                 if not [ 1 for match in self.selectors if match(filename) ]:
 196                     continue
 197                 suite.addTest(EndToEndTest(filename, workdir, self.cleanup_workdir))
 198                 continue
 199             if not (filename.endswith(".pyx") or filename.endswith(".py")):
 200                 continue
 201             if filename.startswith('.'): continue # certain emacs backup files
 202             if context == 'pyregr' and not filename.startswith('test_'):
 203                 continue
 204             module = os.path.splitext(filename)[0]
 205             fqmodule = "%s.%s" % (context, module)
 206             if not [ 1 for match in self.selectors
 207                      if match(fqmodule) ]:
 208                 continue
 209             if self.exclude_selectors:
 210                 if [1 for match in self.exclude_selectors if match(fqmodule)]:
 211                     continue
 212             if context == 'pyregr':
 213                 test_class = CythonPyregrTestCase
 214             elif context in TEST_RUN_DIRS:
 215                 if module.startswith("test_"):
 216                     test_class = CythonUnitTestCase
 217                 else:
 218                     test_class = CythonRunTestCase
 219             else:
 220                 test_class = CythonCompileTestCase
 221             for test in self.build_tests(test_class, path, workdir,
 222                                          module, expect_errors):
 223                 suite.addTest(test)
 224             if context == 'run' and filename.endswith('.py'):
 225                 # additionally test file in real Python
 226                 suite.addTest(PureDoctestTestCase(module, os.path.join(path, filename)))
 227         return suite
 228
 229     def build_tests(self, test_class, path, workdir, module, expect_errors):
 230         if expect_errors:
 231             if 'cpp' in module and 'cpp' in self.languages:
 232                 languages = ['cpp']
 233             else:
 234                 languages = self.languages[:1]
 235         else:
 236             languages = self.languages
 237         if 'cpp' in module and 'c' in languages:
 238             languages = list(languages)
 239             languages.remove('c')
 240         tests = [ self.build_test(test_class, path, workdir, module,
 241                                   language, expect_errors)
 242                   for language in languages ]
 243         return tests
 244
 245     def build_test(self, test_class, path, workdir, module,
 246                    language, expect_errors):
 247         workdir = os.path.join(workdir, language)
 248         if not os.path.exists(workdir):
 249             os.makedirs(workdir)
 250         return test_class(path, workdir, module,
 251                           language=language,
 252                           expect_errors=expect_errors,
 253                           annotate=self.annotate,
 254                           cleanup_workdir=self.cleanup_workdir,
 255                           cleanup_sharedlibs=self.cleanup_sharedlibs,
 256                           cython_only=self.cython_only,
 257                           fork=self.fork,
 258                           language_level=self.language_level)
 259
 260 class CythonCompileTestCase(unittest.TestCase):
 261     def __init__(self, test_directory, workdir, module, language='c',
 262                  expect_errors=False, annotate=False, cleanup_workdir=True,
 263                  cleanup_sharedlibs=True, cython_only=False, fork=True,
 264                  language_level=2):
 265         self.test_directory = test_directory
 266         self.workdir = workdir
 267         self.module = module
 268         self.language = language
 269         self.expect_errors = expect_errors
 270         self.annotate = annotate
 271         self.cleanup_workdir = cleanup_workdir
 272         self.cleanup_sharedlibs = cleanup_sharedlibs
 273         self.cython_only = cython_only
 274         self.fork = fork
 275         self.language_level = language_level
 276         unittest.TestCase.__init__(self)
 277
 278     def shortDescription(self):
 279         return "compiling (%s) %s" % (self.language, self.module)
 280
 281     def setUp(self):
 282         if self.workdir not in sys.path:
 283             sys.path.insert(0, self.workdir)
 284
 285     def tearDown(self):
 286         try:
 287             sys.path.remove(self.workdir)
 288         except ValueError:
 289             pass
 290         try:
 291             del sys.modules[self.module]
 292         except KeyError:
 293             pass
 294         cleanup_c_files = WITH_CYTHON and self.cleanup_workdir
 295         cleanup_lib_files = self.cleanup_sharedlibs
 296         if os.path.exists(self.workdir):
 297             for rmfile in os.listdir(self.workdir):
 298                 if not cleanup_c_files:
 299                     if rmfile[-2:] in (".c", ".h") or rmfile[-4:] == ".cpp":
 300                         continue
 301                 if not cleanup_lib_files and rmfile.endswith(".so") or rmfile.endswith(".dll"):
 302                     continue
 303                 if self.annotate and rmfile.endswith(".html"):
 304                     continue
 305                 try:
 306                     rmfile = os.path.join(self.workdir, rmfile)
 307                     if os.path.isdir(rmfile):
 308                         shutil.rmtree(rmfile, ignore_errors=True)
 309                     else:
 310                         os.remove(rmfile)
 311                 except IOError:
 312                     pass
 313         else:
 314             os.makedirs(self.workdir)
 315
 316     def runTest(self):
 317         self.runCompileTest()
 318
 319     def runCompileTest(self):
 320         self.compile(self.test_directory, self.module, self.workdir,
 321                      self.test_directory, self.expect_errors, self.annotate)
 322
 323     def find_module_source_file(self, source_file):
 324         if not os.path.exists(source_file):
 325             source_file = source_file[:-1]
 326         return source_file
 327
 328     def build_target_filename(self, module_name):
 329         target = '%s.%s' % (module_name, self.language)
 330         return target
 331
 332     def copy_related_files(self, test_directory, target_directory, module_name):
 333         is_related = re.compile('%s_.*[.].*' % module_name).match
 334         for filename in os.listdir(test_directory):
 335             if is_related(filename):
 336                 shutil.copy(os.path.join(test_directory, filename),
 337                             target_directory)
 338
 339     def find_source_files(self, workdir, module_name):
 340         is_related = re.compile('%s_.*[.]%s' % (module_name, self.language)).match
 341         return [self.build_target_filename(module_name)] + [
 342             filename for filename in os.listdir(workdir)
 343             if is_related(filename) and os.path.isfile(os.path.join(workdir, filename)) ]
 344
 345     def split_source_and_output(self, test_directory, module, workdir):
 346         source_file = self.find_module_source_file(os.path.join(test_directory, module) + '.pyx')
 347         source_and_output = codecs.open(source_file, 'rU', 'ISO-8859-1')
 348         try:
 349             out = codecs.open(os.path.join(workdir, module + os.path.splitext(source_file)[1]),
 350                               'w', 'ISO-8859-1')
 351             for line in source_and_output:
 352                 last_line = line
 353                 if line.startswith("_ERRORS"):
 354                     out.close()
 355                     out = ErrorWriter()
 356                 else:
 357                     out.write(line)
 358         finally:
 359             source_and_output.close()
 360         try:
 361             geterrors = out.geterrors
 362         except AttributeError:
 363             out.close()
 364             return []
 365         else:
 366             return geterrors()
 367
 368     def run_cython(self, test_directory, module, targetdir, incdir, annotate,
 369                    extra_compile_options=None):
 370         include_dirs = INCLUDE_DIRS[:]
 371         if incdir:
 372             include_dirs.append(incdir)
 373         source = self.find_module_source_file(
 374             os.path.join(test_directory, module + '.pyx'))
 375         target = os.path.join(targetdir, self.build_target_filename(module))
 376
 377         if extra_compile_options is None:
 378             extra_compile_options = {}
 379
 380         try:
 381             CompilationOptions
 382         except NameError:
 383             from Cython.Compiler.Main import CompilationOptions
 384             from Cython.Compiler.Main import compile as cython_compile
 385             from Cython.Compiler.Main import default_options
 386
 387         options = CompilationOptions(
 388             default_options,
 389             include_path = include_dirs,
 390             output_file = target,
 391             annotate = annotate,
 392             use_listing_file = False,
 393             cplus = self.language == 'cpp',
 394             language_level = self.language_level,
 395             generate_pxi = False,
 396             evaluate_tree_assertions = True,
 397             **extra_compile_options
 398             )
 399         cython_compile(source, options=options,
 400                        full_module_name=module)
 401
 402     def run_distutils(self, test_directory, module, workdir, incdir,
 403                       extra_extension_args=None):
 404         cwd = os.getcwd()
 405         os.chdir(workdir)
 406         try:
 407             build_extension = build_ext(distutils_distro)
 408             build_extension.include_dirs = INCLUDE_DIRS[:]
 409             if incdir:
 410                 build_extension.include_dirs.append(incdir)
 411             build_extension.finalize_options()
 412             ext_include_dirs = []
 413             for match, get_additional_include_dirs in EXT_DEP_INCLUDES:
 414                 if match(module):
 415                     ext_include_dirs += get_additional_include_dirs()
 416             self.copy_related_files(test_directory, workdir, module)
 417
 418             if extra_extension_args is None:
 419                 extra_extension_args = {}
 420
 421             extension = Extension(
 422                 module,
 423                 sources = self.find_source_files(workdir, module),
 424                 include_dirs = ext_include_dirs,
 425                 extra_compile_args = CFLAGS,
 426                 **extra_extension_args
 427                 )
 428             if self.language == 'cpp':
 429                 extension.language = 'c++'
 430             build_extension.extensions = [extension]
 431             build_extension.build_temp = workdir
 432             build_extension.build_lib  = workdir
 433             build_extension.run()
 434         finally:
 435             os.chdir(cwd)
 436
 437     def compile(self, test_directory, module, workdir, incdir,
 438                 expect_errors, annotate):
 439         expected_errors = errors = ()
 440         if expect_errors:
 441             expected_errors = self.split_source_and_output(
 442                 test_directory, module, workdir)
 443             test_directory = workdir
 444
 445         if WITH_CYTHON:
 446             old_stderr = sys.stderr
 447             try:
 448                 sys.stderr = ErrorWriter()
 449                 self.run_cython(test_directory, module, workdir, incdir, annotate)
 450                 errors = sys.stderr.geterrors()
 451             finally:
 452                 sys.stderr = old_stderr
 453
 454         if errors or expected_errors:
 455             try:
 456                 for expected, error in zip(expected_errors, errors):
 457                     self.assertEquals(expected, error)
 458                 if len(errors) < len(expected_errors):
 459                     expected_error = expected_errors[len(errors)]
 460                     self.assertEquals(expected_error, None)
 461                 elif len(errors) > len(expected_errors):
 462                     unexpected_error = errors[len(expected_errors)]
 463                     self.assertEquals(None, unexpected_error)
 464             except AssertionError:
 465                 print("\n=== Expected errors: ===")
 466                 print('\n'.join(expected_errors))
 467                 print("\n\n=== Got errors: ===")
 468                 print('\n'.join(errors))
 469                 print('\n')
 470                 raise
 471         else:
 472             if not self.cython_only:
 473                 self.run_distutils(test_directory, module, workdir, incdir)
 474
 475 class CythonRunTestCase(CythonCompileTestCase):
 476     def shortDescription(self):
 477         return "compiling (%s) and running %s" % (self.language, self.module)
 478
 479     def run(self, result=None):
 480         if result is None:
 481             result = self.defaultTestResult()
 482         result.startTest(self)
 483         try:
 484             self.setUp()
 485             try:
 486                 self.runCompileTest()
 487                 self.run_tests(result)
 488             finally:
 489                 check_thread_termination()
 490         except Exception:
 491             result.addError(self, sys.exc_info())
 492             result.stopTest(self)
 493         try:
 494             self.tearDown()
 495         except Exception:
 496             pass
 497
 498     def run_tests(self, result):
 499         if not self.cython_only:
 500             self.run_doctests(self.module, result)
 501
 502     def run_doctests(self, module_name, result):
 503         if sys.version_info[0] >= 3 or not hasattr(os, 'fork') or not self.fork:
 504             doctest.DocTestSuite(module_name).run(result)
 505             gc.collect()
 506             return
 507
 508         # fork to make sure we do not keep the tested module loaded
 509         result_handle, result_file = tempfile.mkstemp()
 510         os.close(result_handle)
 511         child_id = os.fork()
 512         if not child_id:
 513             result_code = 0
 514             try:
 515                 try:
 516                     tests = None
 517                     try:
 518                         partial_result = PartialTestResult(result)
 519                         tests = doctest.DocTestSuite(module_name)
 520                         tests.run(partial_result)
 521                         gc.collect()
 522                     except Exception:
 523                         if tests is None:
 524                             # importing failed, try to fake a test class
 525                             tests = _FakeClass(
 526                                 failureException=sys.exc_info()[1],
 527                                 _shortDescription=self.shortDescription(),
 528                                 module_name=None)
 529                         partial_result.addError(tests, sys.exc_info())
 530                         result_code = 1
 531                     output = open(result_file, 'wb')
 532                     pickle.dump(partial_result.data(), output)
 533                 except:
 534                     traceback.print_exc()
 535             finally:
 536                 try: output.close()
 537                 except: pass
 538                 os._exit(result_code)
 539
 540         try:
 541             cid, result_code = os.waitpid(child_id, 0)
 542             # os.waitpid returns the child's result code in the
 543             # upper byte of result_code, and the signal it was
 544             # killed by in the lower byte
 545             if result_code & 255:
 546                 raise Exception("Tests in module '%s' were unexpectedly killed by signal %d"%
 547                                 (module_name, result_code & 255))
 548             result_code = result_code >> 8
 549             if result_code in (0,1):
 550                 input = open(result_file, 'rb')
 551                 try:
 552                     PartialTestResult.join_results(result, pickle.load(input))
 553                 finally:
 554                     input.close()
 555             if result_code:
 556                 raise Exception("Tests in module '%s' exited with status %d" %
 557                                 (module_name, result_code))
 558         finally:
 559             try: os.unlink(result_file)
 560             except: pass
 561
 562 class PureDoctestTestCase(unittest.TestCase):
 563     def __init__(self, module_name, module_path):
 564         self.module_name = module_name
 565         self.module_path = module_path
 566         unittest.TestCase.__init__(self, 'run')
 567
 568     def shortDescription(self):
 569         return "running pure doctests in %s" % self.module_name
 570
 571     def run(self, result=None):
 572         if result is None:
 573             result = self.defaultTestResult()
 574         loaded_module_name = 'pure_doctest__' + self.module_name
 575         result.startTest(self)
 576         try:
 577             self.setUp()
 578
 579             import imp
 580             m = imp.load_source(loaded_module_name, self.module_path)
 581             try:
 582                 doctest.DocTestSuite(m).run(result)
 583             finally:
 584                 del m
 585                 if loaded_module_name in sys.modules:
 586                     del sys.modules[loaded_module_name]
 587                 check_thread_termination()
 588         except Exception:
 589             result.addError(self, sys.exc_info())
 590             result.stopTest(self)
 591         try:
 592             self.tearDown()
 593         except Exception:
 594             pass
 595
 596 is_private_field = re.compile('^_[^_]').match
 597
 598 class _FakeClass(object):
 599     def __init__(self, **kwargs):
 600         self._shortDescription = kwargs.get('module_name')
 601         self.__dict__.update(kwargs)
 602     def shortDescription(self):
 603         return self._shortDescription
 604
 605 try: # Py2.7+ and Py3.2+
 606     from unittest.runner import _TextTestResult
 607 except ImportError:
 608     from unittest import _TextTestResult
 609
 610 class PartialTestResult(_TextTestResult):
 611     def __init__(self, base_result):
 612         _TextTestResult.__init__(
 613             self, self._StringIO(), True,
 614             base_result.dots + base_result.showAll*2)
 615
 616     def strip_error_results(self, results):
 617         for test_case, error in results:
 618             for attr_name in filter(is_private_field, dir(test_case)):
 619                 if attr_name == '_dt_test':
 620                     test_case._dt_test = _FakeClass(
 621                         name=test_case._dt_test.name)
 622                 elif attr_name != '_shortDescription':
 623                     setattr(test_case, attr_name, None)
 624
 625     def data(self):
 626         self.strip_error_results(self.failures)
 627         self.strip_error_results(self.errors)
 628         return (self.failures, self.errors, self.testsRun,
 629                 self.stream.getvalue())
 630
 631     def join_results(result, data):
 632         """Static method for merging the result back into the main
 633         result object.
 634         """
 635         failures, errors, tests_run, output = data
 636         if output:
 637             result.stream.write(output)
 638         result.errors.extend(errors)
 639         result.failures.extend(failures)
 640         result.testsRun += tests_run
 641
 642     join_results = staticmethod(join_results)
 643
 644     class _StringIO(StringIO):
 645         def writeln(self, line):
 646             self.write("%s\n" % line)
 647
 648
 649 class CythonUnitTestCase(CythonRunTestCase):
 650     def shortDescription(self):
 651         return "compiling (%s) tests in %s" % (self.language, self.module)
 652
 653     def run_tests(self, result):
 654         unittest.defaultTestLoader.loadTestsFromName(self.module).run(result)
 655
 656
 657 class CythonPyregrTestCase(CythonRunTestCase):
 658     def _run_unittest(self, result, *classes):
 659         """Run tests from unittest.TestCase-derived classes."""
 660         valid_types = (unittest.TestSuite, unittest.TestCase)
 661         suite = unittest.TestSuite()
 662         for cls in classes:
 663             if isinstance(cls, str):
 664                 if cls in sys.modules:
 665                     suite.addTest(unittest.findTestCases(sys.modules[cls]))
 666                 else:
 667                     raise ValueError("str arguments must be keys in sys.modules")
 668             elif isinstance(cls, valid_types):
 669                 suite.addTest(cls)
 670             else:
 671                 suite.addTest(unittest.makeSuite(cls))
 672         suite.run(result)
 673
 674     def _run_doctest(self, result, module):
 675         self.run_doctests(module, result)
 676
 677     def run_tests(self, result):
 678         try:
 679             from test import test_support as support
 680         except ImportError: # Py3k
 681             from test import support
 682
 683         def run_unittest(*classes):
 684             return self._run_unittest(result, *classes)
 685         def run_doctest(module, verbosity=None):
 686             return self._run_doctest(result, module)
 687
 688         support.run_unittest = run_unittest
 689         support.run_doctest = run_doctest
 690
 691         try:
 692             module = __import__(self.module)
 693             if hasattr(module, 'test_main'):
 694                 module.test_main()
 695         except (unittest.SkipTest, support.ResourceDenied):
 696             result.addSkip(self, 'ok')
 697
 698 include_debugger = sys.version_info[:2] > (2, 5)
 699
 700 def collect_unittests(path, module_prefix, suite, selectors):
 701     def file_matches(filename):
 702         return filename.startswith("Test") and filename.endswith(".py")
 703
 704     def package_matches(dirname):
 705         return dirname == "Tests"
 706
 707     loader = unittest.TestLoader()
 708
 709     if include_debugger:
 710         skipped_dirs = []
 711     else:
 712         cython_dir = os.path.dirname(os.path.abspath(__file__))
 713         skipped_dirs = [os.path.join(cython_dir, 'Cython', 'Debugger')]
 714
 715     for dirpath, dirnames, filenames in os.walk(path):
 716         if dirpath != path and "__init__.py" not in filenames:
 717             skipped_dirs.append(dirpath + os.path.sep)
 718             continue
 719         skip = False
 720         for dir in skipped_dirs:
 721             if dirpath.startswith(dir):
 722                 skip = True
 723         if skip:
 724             continue
 725         parentname = os.path.split(dirpath)[-1]
 726         if package_matches(parentname):
 727             for f in filenames:
 728                 if file_matches(f):
 729                     filepath = os.path.join(dirpath, f)[:-len(".py")]
 730                     modulename = module_prefix + filepath[len(path)+1:].replace(os.path.sep, '.')
 731                     if not [ 1 for match in selectors if match(modulename) ]:
 732                         continue
 733                     module = __import__(modulename)
 734                     for x in modulename.split('.')[1:]:
 735                         module = getattr(module, x)
 736                     suite.addTests([loader.loadTestsFromModule(module)])
 737
 738
 739
 740 def collect_doctests(path, module_prefix, suite, selectors):
 741     def package_matches(dirname):
 742         if dirname == 'Debugger' and not include_debugger:
 743             return False
 744         return dirname not in ("Mac", "Distutils", "Plex")
 745     def file_matches(filename):
 746         filename, ext = os.path.splitext(filename)
 747         blacklist = ['libcython', 'libpython', 'test_libcython_in_gdb',
 748                      'TestLibCython']
 749         return (ext == '.py' and not
 750                 '~' in filename and not
 751                 '#' in filename and not
 752                 filename.startswith('.') and not
 753                 filename in blacklist)
 754     import doctest, types
 755     for dirpath, dirnames, filenames in os.walk(path):
 756         for dir in list(dirnames):
 757             if not package_matches(dir):
 758                 dirnames.remove(dir)
 759         for f in filenames:
 760             if file_matches(f):
 761                 if not f.endswith('.py'): continue
 762                 filepath = os.path.join(dirpath, f)
 763                 if os.path.getsize(filepath) == 0: continue
 764                 filepath = filepath[:-len(".py")]
 765                 modulename = module_prefix + filepath[len(path)+1:].replace(os.path.sep, '.')
 766                 if not [ 1 for match in selectors if match(modulename) ]:
 767                     continue
 768                 if 'in_gdb' in modulename:
 769                     # These should only be imported from gdb.
 770                     continue
 771                 module = __import__(modulename)
 772                 for x in modulename.split('.')[1:]:
 773                     module = getattr(module, x)
 774                 if hasattr(module, "__doc__") or hasattr(module, "__test__"):
 775                     try:
 776                         suite.addTest(doctest.DocTestSuite(module))
 777                     except ValueError: # no tests
 778                         pass
 779
 780
 781 class EndToEndTest(unittest.TestCase):
 782     """
 783     This is a test of build/*.srctree files, where srctree defines a full
 784     directory structure and its header gives a list of commands to run.
 785     """
 786     cython_root = os.path.dirname(os.path.abspath(__file__))
 787
 788     def __init__(self, treefile, workdir, cleanup_workdir=True):
 789         self.treefile = treefile
 790         self.workdir = os.path.join(workdir, os.path.splitext(treefile)[0])
 791         self.cleanup_workdir = cleanup_workdir
 792         cython_syspath = self.cython_root
 793         for path in sys.path[::-1]:
 794             if path.startswith(self.cython_root):
 795                 # Py3 installation and refnanny build prepend their
 796                 # fixed paths to sys.path => prefer that over the
 797                 # generic one
 798                 cython_syspath = path + os.pathsep + cython_syspath
 799         self.cython_syspath = cython_syspath
 800         unittest.TestCase.__init__(self)
 801
 802     def shortDescription(self):
 803         return "End-to-end %s" % self.treefile
 804
 805     def setUp(self):
 806         from Cython.TestUtils import unpack_source_tree
 807         _, self.commands = unpack_source_tree(
 808             os.path.join('tests', 'build', self.treefile), self.workdir)
 809         self.old_dir = os.getcwd()
 810         os.chdir(self.workdir)
 811         if self.workdir not in sys.path:
 812             sys.path.insert(0, self.workdir)
 813
 814     def tearDown(self):
 815         if self.cleanup_workdir:
 816             shutil.rmtree(self.workdir)
 817         os.chdir(self.old_dir)
 818
 819     def runTest(self):
 820         commands = (self.commands
 821             .replace("CYTHON", "PYTHON %s" % os.path.join(self.cython_root, 'cython.py'))
 822             .replace("PYTHON", sys.executable))
 823         try:
 824             old_path = os.environ.get('PYTHONPATH')
 825             os.environ['PYTHONPATH'] = self.cython_syspath + os.pathsep + os.path.join(self.cython_syspath, (old_path or ''))
 826             for command in commands.split('\n'):
 827                 if sys.version_info[:2] >= (2,4):
 828                     import subprocess
 829                     p = subprocess.Popen(commands,
 830                                          stderr=subprocess.PIPE,
 831                                          stdout=subprocess.PIPE,
 832                                          shell=True)
 833                     out, err = p.communicate()
 834                     res = p.returncode
 835                     if res != 0:
 836                         print(command)
 837                         print(out)
 838                         print(err)
 839                 else:
 840                     res = os.system(command)
 841                 self.assertEqual(0, res, "non-zero exit status")
 842         finally:
 843             if old_path:
 844                 os.environ['PYTHONPATH'] = old_path
 845             else:
 846                 del os.environ['PYTHONPATH']
 847
 848
 849 # TODO: Support cython_freeze needed here as well.
 850 # TODO: Windows support.
 851
 852 class EmbedTest(unittest.TestCase):
 853
 854     working_dir = "Demos/embed"
 855
 856     def setUp(self):
 857         self.old_dir = os.getcwd()
 858         os.chdir(self.working_dir)
 859         os.system(
 860             "make PYTHON='%s' clean > /dev/null" % sys.executable)
 861
 862     def tearDown(self):
 863         try:
 864             os.system(
 865                 "make PYTHON='%s' clean > /dev/null" % sys.executable)
 866         except:
 867             pass
 868         os.chdir(self.old_dir)
 869
 870     def test_embed(self):
 871         from distutils import sysconfig
 872         libname = sysconfig.get_config_var('LIBRARY')
 873         libdir = sysconfig.get_config_var('LIBDIR')
 874         if not os.path.isdir(libdir) or libname not in os.listdir(libdir):
 875             libdir = os.path.join(os.path.dirname(sys.executable), '..', 'lib')
 876             if not os.path.isdir(libdir) or libname not in os.listdir(libdir):
 877                 libdir = os.path.join(libdir, 'python%d.%d' % sys.version_info[:2], 'config')
 878                 if not os.path.isdir(libdir) or libname not in os.listdir(libdir):
 879                     # report the error for the original directory
 880                     libdir = sysconfig.get_config_var('LIBDIR')
 881         self.assert_(os.system(
 882             "make PYTHON='%s' LIBDIR1='%s' test > make.output" % (sys.executable, libdir)) == 0)
 883         try:
 884             os.remove('make.output')
 885         except OSError:
 886             pass
 887
 888 class MissingDependencyExcluder:
 889     def __init__(self, deps):
 890         # deps: { module name : matcher func }
 891         self.exclude_matchers = []
 892         for mod, matcher in deps.items():
 893             try:
 894                 __import__(mod)
 895             except ImportError:
 896                 self.exclude_matchers.append(matcher)
 897         self.tests_missing_deps = []
 898     def __call__(self, testname):
 899         for matcher in self.exclude_matchers:
 900             if matcher(testname):
 901                 self.tests_missing_deps.append(testname)
 902                 return True
 903         return False
 904
 905 class VersionDependencyExcluder:
 906     def __init__(self, deps):
 907         # deps: { version : matcher func }
 908         from sys import version_info
 909         self.exclude_matchers = []
 910         for ver, (compare, matcher) in deps.items():
 911             if compare(version_info, ver):
 912                 self.exclude_matchers.append(matcher)
 913         self.tests_missing_deps = []
 914     def __call__(self, testname):
 915         for matcher in self.exclude_matchers:
 916             if matcher(testname):
 917                 self.tests_missing_deps.append(testname)
 918                 return True
 919         return False
 920
 921 class FileListExcluder:
 922
 923     def __init__(self, list_file):
 924         self.excludes = {}
 925         f = open(list_file)
 926         try:
 927             for line in f.readlines():
 928                 line = line.strip()
 929                 if line and line[0] != '#':
 930                     self.excludes[line.split()[0]] = True
 931         finally:
 932             f.close()
 933
 934     def __call__(self, testname):
 935         return testname in self.excludes or testname.split('.')[-1] in self.excludes
 936
 937 def refactor_for_py3(distdir, cy3_dir):
 938     # need to convert Cython sources first
 939     import lib2to3.refactor
 940     from distutils.util import copydir_run_2to3
 941     fixers = [ fix for fix in lib2to3.refactor.get_fixers_from_package("lib2to3.fixes")
 942                if fix.split('fix_')[-1] not in ('next',)
 943                ]
 944     if not os.path.exists(cy3_dir):
 945         os.makedirs(cy3_dir)
 946     import distutils.log as dlog
 947     dlog.set_threshold(dlog.INFO)
 948     copydir_run_2to3(distdir, cy3_dir, fixer_names=fixers,
 949                      template = '''
 950                      global-exclude *
 951                      graft Cython
 952                      recursive-exclude Cython *
 953                      recursive-include Cython *.py *.pyx *.pxd
 954                      recursive-include Cython/Debugger/Tests *
 955                      include runtests.py
 956                      ''')
 957     sys.path.insert(0, cy3_dir)
 958
 959     for keep_2x_file in KEEP_2X_FILES:
 960         destfile = os.path.join(cy3_dir, keep_2x_file)
 961         shutil.copy(keep_2x_file, destfile)
 962
 963 class PendingThreadsError(RuntimeError):
 964     pass
 965
 966 threads_seen = []
 967
 968 def check_thread_termination(ignore_seen=True):
 969     if threading is None: # no threading enabled in CPython
 970         return
 971     current = threading.currentThread()
 972     blocking_threads = []
 973     for t in threading.enumerate():
 974         if not t.isAlive() or t == current:
 975             continue
 976         t.join(timeout=2)
 977         if t.isAlive():
 978             if not ignore_seen:
 979                 blocking_threads.append(t)
 980                 continue
 981             for seen in threads_seen:
 982                 if t is seen:
 983                     break
 984             else:
 985                 threads_seen.append(t)
 986                 blocking_threads.append(t)
 987     if not blocking_threads:
 988         return
 989     sys.stderr.write("warning: left-over threads found after running test:\n")
 990     for t in blocking_threads:
 991         sys.stderr.write('...%s\n'  % repr(t))
 992     raise PendingThreadsError("left-over threads found after running test")
 993
 994 def main():
 995
 996     DISTDIR = os.path.join(os.getcwd(), os.path.dirname(sys.argv[0]))
 997
 998     from optparse import OptionParser
 999     parser = OptionParser()
1000     parser.add_option("--no-cleanup", dest="cleanup_workdir",
1001                       action="store_false", default=True,
1002                       help="do not delete the generated C files (allows passing --no-cython on next run)")
1003     parser.add_option("--no-cleanup-sharedlibs", dest="cleanup_sharedlibs",
1004                       action="store_false", default=True,
1005                       help="do not delete the generated shared libary files (allows manual module experimentation)")
1006     parser.add_option("--no-cython", dest="with_cython",
1007                       action="store_false", default=True,
1008                       help="do not run the Cython compiler, only the C compiler")
1009     parser.add_option("--no-c", dest="use_c",
1010                       action="store_false", default=True,
1011                       help="do not test C compilation")
1012     parser.add_option("--no-cpp", dest="use_cpp",
1013                       action="store_false", default=True,
1014                       help="do not test C++ compilation")
1015     parser.add_option("--no-unit", dest="unittests",
1016                       action="store_false", default=True,
1017                       help="do not run the unit tests")
1018     parser.add_option("--no-doctest", dest="doctests",
1019                       action="store_false", default=True,
1020                       help="do not run the doctests")
1021     parser.add_option("--no-file", dest="filetests",
1022                       action="store_false", default=True,
1023                       help="do not run the file based tests")
1024     parser.add_option("--no-pyregr", dest="pyregr",
1025                       action="store_false", default=True,
1026                       help="do not run the regression tests of CPython in tests/pyregr/")
1027     parser.add_option("--cython-only", dest="cython_only",
1028                       action="store_true", default=False,
1029                       help="only compile pyx to c, do not run C compiler or run the tests")
1030     parser.add_option("--no-refnanny", dest="with_refnanny",
1031                       action="store_false", default=True,
1032                       help="do not regression test reference counting")
1033     parser.add_option("--no-fork", dest="fork",
1034                       action="store_false", default=True,
1035                       help="do not fork to run tests")
1036     parser.add_option("--sys-pyregr", dest="system_pyregr",
1037                       action="store_true", default=False,
1038                       help="run the regression tests of the CPython installation")
1039     parser.add_option("-x", "--exclude", dest="exclude",
1040                       action="append", metavar="PATTERN",
1041                       help="exclude tests matching the PATTERN")
1042     parser.add_option("-C", "--coverage", dest="coverage",
1043                       action="store_true", default=False,
1044                       help="collect source coverage data for the Compiler")
1045     parser.add_option("--coverage-xml", dest="coverage_xml",
1046                       action="store_true", default=False,
1047                       help="collect source coverage data for the Compiler in XML format")
1048     parser.add_option("-A", "--annotate", dest="annotate_source",
1049                       action="store_true", default=True,
1050                       help="generate annotated HTML versions of the test source files")
1051     parser.add_option("--no-annotate", dest="annotate_source",
1052                       action="store_false",
1053                       help="do not generate annotated HTML versions of the test source files")
1054     parser.add_option("-v", "--verbose", dest="verbosity",
1055                       action="count", default=0,
1056                       help="display test progress, pass twice to print test names")
1057     parser.add_option("-T", "--ticket", dest="tickets",
1058                       action="append",
1059                       help="a bug ticket number to run the respective test in 'tests/*'")
1060     parser.add_option("-3", dest="language_level",
1061                       action="store_const", const=3, default=2,
1062                       help="set language level to Python 3 (useful for running the CPython regression tests)'")
1063     parser.add_option("--xml-output", dest="xml_output_dir", metavar="DIR",
1064                       help="write test results in XML to directory DIR")
1065     parser.add_option("--exit-ok", dest="exit_ok", default=False,
1066                       action="store_true",
1067                       help="exit without error code even on test failures")
1068     parser.add_option("--root-dir", dest="root_dir", default=os.path.join(DISTDIR, 'tests'),
1069                       help="working directory")
1070     parser.add_option("--work-dir", dest="work_dir", default=os.path.join(os.getcwd(), 'BUILD'),
1071                       help="working directory")
1072
1073     options, cmd_args = parser.parse_args()
1074
1075     ROOTDIR = os.path.abspath(options.root_dir)
1076     WORKDIR = os.path.abspath(options.work_dir)
1077
1078     if sys.version_info[0] >= 3:
1079         options.doctests = False
1080         if options.with_cython:
1081             try:
1082                 # try if Cython is installed in a Py3 version
1083                 import Cython.Compiler.Main
1084             except Exception:
1085                 # back out anything the import process loaded, then
1086                 # 2to3 the Cython sources to make them re-importable
1087                 cy_modules = [ name for name in sys.modules
1088                                if name == 'Cython' or name.startswith('Cython.') ]
1089                 for name in cy_modules:
1090                     del sys.modules[name]
1091                 # hasn't been refactored yet - do it now
1092                 cy3_dir = os.path.join(WORKDIR, 'Cy3')
1093                 if sys.version_info >= (3,1):
1094                     refactor_for_py3(DISTDIR, cy3_dir)
1095                 elif os.path.isdir(cy3_dir):
1096                     sys.path.insert(0, cy3_dir)
1097                 else:
1098                     options.with_cython = False
1099
1100     WITH_CYTHON = options.with_cython
1101
1102     if options.coverage or options.coverage_xml:
1103         if not WITH_CYTHON:
1104             options.coverage = options.coverage_xml = False
1105         else:
1106             from coverage import coverage as _coverage
1107             coverage = _coverage(branch=True)
1108             coverage.erase()
1109             coverage.start()
1110
1111     if WITH_CYTHON:
1112         global CompilationOptions, pyrex_default_options, cython_compile
1113         from Cython.Compiler.Main import \
1114             CompilationOptions, \
1115             default_options as pyrex_default_options, \
1116             compile as cython_compile
1117         from Cython.Compiler import Errors
1118         Errors.LEVEL = 0 # show all warnings
1119         from Cython.Compiler import Options
1120         Options.generate_cleanup_code = 3   # complete cleanup code
1121         from Cython.Compiler import DebugFlags
1122         DebugFlags.debug_temp_code_comments = 1
1123
1124     # RUN ALL TESTS!
1125     UNITTEST_MODULE = "Cython"
1126     UNITTEST_ROOT = os.path.join(os.getcwd(), UNITTEST_MODULE)
1127     if WITH_CYTHON:
1128         if os.path.exists(WORKDIR):
1129             for path in os.listdir(WORKDIR):
1130                 if path in ("support", "Cy3"): continue
1131                 shutil.rmtree(os.path.join(WORKDIR, path), ignore_errors=True)
1132     if not os.path.exists(WORKDIR):
1133         os.makedirs(WORKDIR)
1134
1135     sys.stderr.write("Python %s\n" % sys.version)
1136     sys.stderr.write("\n")
1137     if WITH_CYTHON:
1138         from Cython.Compiler.Version import version
1139         sys.stderr.write("Running tests against Cython %s\n" % version)
1140     else:
1141         sys.stderr.write("Running tests without Cython.\n")
1142
1143     if options.with_refnanny:
1144         from pyximport.pyxbuild import pyx_to_dll
1145         libpath = pyx_to_dll(os.path.join("Cython", "Runtime", "refnanny.pyx"),
1146                              build_in_temp=True,
1147                              pyxbuild_dir=os.path.join(WORKDIR, "support"))
1148         sys.path.insert(0, os.path.split(libpath)[0])
1149         CFLAGS.append("-DCYTHON_REFNANNY=1")
1150
1151     if options.xml_output_dir and options.fork:
1152         # doesn't currently work together
1153         sys.stderr.write("Disabling forked testing to support XML test output\n")
1154         options.fork = False
1155
1156     if WITH_CYTHON and options.language_level == 3:
1157         sys.stderr.write("Using Cython language level 3.\n")
1158
1159     sys.stderr.write("\n")
1160
1161     test_bugs = False
1162     if options.tickets:
1163         for ticket_number in options.tickets:
1164             test_bugs = True
1165             cmd_args.append('.*T%s$' % ticket_number)
1166     if not test_bugs:
1167         for selector in cmd_args:
1168             if selector.startswith('bugs'):
1169                 test_bugs = True
1170
1171     import re
1172     selectors = [ re.compile(r, re.I|re.U).search for r in cmd_args ]
1173     if not selectors:
1174         selectors = [ lambda x:True ]
1175
1176     # Chech which external modules are not present and exclude tests
1177     # which depends on them (by prefix)
1178
1179     missing_dep_excluder = MissingDependencyExcluder(EXT_DEP_MODULES)
1180     version_dep_excluder = VersionDependencyExcluder(VER_DEP_MODULES)
1181     exclude_selectors = [missing_dep_excluder, version_dep_excluder] # want to pring msg at exit
1182
1183     if options.exclude:
1184         exclude_selectors += [ re.compile(r, re.I|re.U).search for r in options.exclude ]
1185
1186     if not test_bugs:
1187         exclude_selectors += [ FileListExcluder(os.path.join(ROOTDIR, "bugs.txt")) ]
1188
1189     if sys.platform in ['win32', 'cygwin'] and sys.version_info < (2,6):
1190         exclude_selectors += [ lambda x: x == "run.specialfloat" ]
1191
1192     languages = []
1193     if options.use_c:
1194         languages.append('c')
1195     if options.use_cpp:
1196         languages.append('cpp')
1197
1198     test_suite = unittest.TestSuite()
1199
1200     if options.unittests:
1201         collect_unittests(UNITTEST_ROOT, UNITTEST_MODULE + ".", test_suite, selectors)
1202
1203     if options.doctests:
1204         collect_doctests(UNITTEST_ROOT, UNITTEST_MODULE + ".", test_suite, selectors)
1205
1206     if options.filetests and languages:
1207         filetests = TestBuilder(ROOTDIR, WORKDIR, selectors, exclude_selectors,
1208                                 options.annotate_source, options.cleanup_workdir,
1209                                 options.cleanup_sharedlibs, options.pyregr,
1210                                 options.cython_only, languages, test_bugs,
1211                                 options.fork, options.language_level)
1212         test_suite.addTest(filetests.build_suite())
1213
1214     if options.system_pyregr and languages:
1215         filetests = TestBuilder(ROOTDIR, WORKDIR, selectors, exclude_selectors,
1216                                 options.annotate_source, options.cleanup_workdir,
1217                                 options.cleanup_sharedlibs, True,
1218                                 options.cython_only, languages, test_bugs,
1219                                 options.fork, options.language_level)
1220         test_suite.addTest(
1221             filetests.handle_directory(
1222                 os.path.join(sys.prefix, 'lib', 'python'+sys.version[:3], 'test'),
1223                 'pyregr'))
1224
1225     if options.xml_output_dir:
1226         from Cython.Tests.xmlrunner import XMLTestRunner
1227         test_runner = XMLTestRunner(output=options.xml_output_dir,
1228                                     verbose=options.verbosity > 0)
1229     else:
1230         test_runner = unittest.TextTestRunner(verbosity=options.verbosity)
1231
1232     result = test_runner.run(test_suite)
1233
1234     if options.coverage or options.coverage_xml:
1235         coverage.stop()
1236         ignored_modules = ('Options', 'Version', 'DebugFlags', 'CmdLine')
1237         modules = [ module for name, module in sys.modules.items()
1238                     if module is not None and
1239                     name.startswith('Cython.Compiler.') and
1240                     name[len('Cython.Compiler.'):] not in ignored_modules ]
1241         if options.coverage:
1242             coverage.report(modules, show_missing=0)
1243         if options.coverage_xml:
1244             coverage.xml_report(modules, outfile="coverage-report.xml")
1245
1246     if missing_dep_excluder.tests_missing_deps:
1247         sys.stderr.write("Following tests excluded because of missing dependencies on your system:\n")
1248         for test in missing_dep_excluder.tests_missing_deps:
1249             sys.stderr.write("   %s\n" % test)
1250
1251     if options.with_refnanny:
1252         import refnanny
1253         sys.stderr.write("\n".join([repr(x) for x in refnanny.reflog]))
1254
1255     print("ALL DONE")
1256
1257     if options.exit_ok:
1258         return_code = 0
1259     else:
1260         return_code = not result.wasSuccessful()
1261
1262     try:
1263         check_thread_termination(ignore_seen=False)
1264         sys.exit(return_code)
1265     except PendingThreadsError:
1266         # normal program exit won't kill the threads, do it the hard way here
1267         os._exit(return_code)
1268
1269 if __name__ == '__main__':
1270     try:
1271         main()
1272     except SystemExit: # <= Py2.4 ...
1273         raise
1274     except Exception:
1275         traceback.print_exc()
1276         try:
1277             check_thread_termination(ignore_seen=False)
1278         except PendingThreadsError:
1279             # normal program exit won't kill the threads, do it the hard way here
1280             os._exit(1)