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 time
  10 import unittest
  11 import doctest
  12 import operator
  13 import tempfile
  14 import traceback
  15 try:
  16     from StringIO import StringIO
  17 except ImportError:
  18     from io import StringIO
  19
  20 try:
  21     import cPickle as pickle
  22 except ImportError:
  23     import pickle
  24
  25 try:
  26     import threading
  27 except ImportError: # No threads, no problems
  28     threading = None
  29
  30 WITH_CYTHON = True
  31
  32 from distutils.dist import Distribution
  33 from distutils.core import Extension
  34 from distutils.command.build_ext import build_ext as _build_ext
  35 distutils_distro = Distribution()
  36
  37 if sys.platform == 'win32':
  38     # TODO: Figure out why this hackery (see http://thread.gmane.org/gmane.comp.python.cython.devel/8280/).
  39     config_files = distutils_distro.find_config_files()
  40     try: config_files.remove('setup.cfg')
  41     except ValueError: pass
  42     distutils_distro.parse_config_files(config_files)
  43
  44     cfgfiles = distutils_distro.find_config_files()
  45     try: cfgfiles.remove('setup.cfg')
  46     except ValueError: pass
  47     distutils_distro.parse_config_files(cfgfiles)
  48
  49 TEST_DIRS = ['compile', 'errors', 'run', 'wrappers', 'pyregr', 'build']
  50 TEST_RUN_DIRS = ['run', 'wrappers', 'pyregr']
  51
  52 # Lists external modules, and a matcher matching tests
  53 # which should be excluded if the module is not present.
  54 EXT_DEP_MODULES = {
  55     'numpy' : re.compile('.*\.numpy_.*').match,
  56     'pstats' : re.compile('.*\.pstats_.*').match,
  57     'posix' : re.compile('.*\.posix_.*').match,
  58 }
  59
  60 def get_numpy_include_dirs():
  61     import numpy
  62     return [numpy.get_include()]
  63
  64 EXT_DEP_INCLUDES = [
  65     # test name matcher , callable returning list
  66     (re.compile('numpy_.*').match, get_numpy_include_dirs),
  67 ]
  68
  69 VER_DEP_MODULES = {
  70     # tests are excluded if 'CurrentPythonVersion OP VersionTuple', i.e.
  71     # (2,4) : (operator.lt, ...) excludes ... when PyVer < 2.4.x
  72     (2,4) : (operator.lt, lambda x: x in ['run.extern_builtins_T258',
  73                                           'run.builtin_sorted'
  74                                           ]),
  75     (2,5) : (operator.lt, lambda x: x in ['run.any',
  76                                           'run.all',
  77                                           ]),
  78     (2,6) : (operator.lt, lambda x: x in ['run.print_function',
  79                                           'run.cython3',
  80                                           'run.pure_py', # decorators, with statement
  81                                           ]),
  82     # The next line should start (3,); but this is a dictionary, so
  83     # we can only have one (3,) key.  Since 2.7 is supposed to be the
  84     # last 2.x release, things would have to change drastically for this
  85     # to be unsafe...
  86     (2,999): (operator.lt, lambda x: x in ['run.special_methods_T561_py3']),
  87     (3,): (operator.ge, lambda x: x in ['run.non_future_division',
  88                                         'compile.extsetslice',
  89                                         'compile.extdelslice',
  90                                         'run.special_methods_T561_py2']),
  91 }
  92
  93 # files that should not be converted to Python 3 code with 2to3
  94 KEEP_2X_FILES = [
  95     os.path.join('Cython', 'Debugger', 'Tests', 'test_libcython_in_gdb.py'),
  96     os.path.join('Cython', 'Debugger', 'Tests', 'test_libpython_in_gdb.py'),
  97     os.path.join('Cython', 'Debugger', 'libcython.py'),
  98     os.path.join('Cython', 'Debugger', 'libpython.py'),
  99 ]
 100
 101
 102 INCLUDE_DIRS = [ d for d in os.getenv('INCLUDE', '').split(os.pathsep) if d ]
 103 CFLAGS = os.getenv('CFLAGS', '').split()
 104
 105 class build_ext(_build_ext):
 106     def build_extension(self, ext):
 107         if ext.language == 'c++':
 108             try:
 109                 try: # Py2.7+ & Py3.2+
 110                     compiler_obj = self.compiler_obj
 111                 except AttributeError:
 112                     compiler_obj = self.compiler
 113                 compiler_obj.compiler_so.remove('-Wstrict-prototypes')
 114             except Exception:
 115                 pass
 116         _build_ext.build_extension(self, ext)
 117
 118 class ErrorWriter(object):
 119     match_error = re.compile('(warning:)?(?:.*:)?\s*([-0-9]+)\s*:\s*([-0-9]+)\s*:\s*(.*)').match
 120     def __init__(self):
 121         self.output = []
 122         self.write = self.output.append
 123
 124     def _collect(self, collect_errors, collect_warnings):
 125         s = ''.join(self.output)
 126         result = []
 127         for line in s.split('\n'):
 128             match = self.match_error(line)
 129             if match:
 130                 is_warning, line, column, message = match.groups()
 131                 if (is_warning and collect_warnings) or \
 132                         (not is_warning and collect_errors):
 133                     result.append( (int(line), int(column), message.strip()) )
 134         result.sort()
 135         return [ "%d:%d: %s" % values for values in result ]
 136
 137     def geterrors(self):
 138         return self._collect(True, False)
 139
 140     def getwarnings(self):
 141         return self._collect(False, True)
 142
 143     def getall(self):
 144         return self._collect(True, True)
 145
 146 class TestBuilder(object):
 147     def __init__(self, rootdir, workdir, selectors, exclude_selectors, annotate,
 148                  cleanup_workdir, cleanup_sharedlibs, with_pyregr, cython_only,
 149                  languages, test_bugs, fork, language_level):
 150         self.rootdir = rootdir
 151         self.workdir = workdir
 152         self.selectors = selectors
 153         self.exclude_selectors = exclude_selectors
 154         self.annotate = annotate
 155         self.cleanup_workdir = cleanup_workdir
 156         self.cleanup_sharedlibs = cleanup_sharedlibs
 157         self.with_pyregr = with_pyregr
 158         self.cython_only = cython_only
 159         self.languages = languages
 160         self.test_bugs = test_bugs
 161         self.fork = fork
 162         self.language_level = language_level
 163
 164     def build_suite(self):
 165         suite = unittest.TestSuite()
 166         test_dirs = TEST_DIRS
 167         filenames = os.listdir(self.rootdir)
 168         filenames.sort()
 169         for filename in filenames:
 170             if not WITH_CYTHON and filename == "errors":
 171                 # we won't get any errors without running Cython
 172                 continue
 173             path = os.path.join(self.rootdir, filename)
 174             if os.path.isdir(path) and filename in test_dirs:
 175                 if filename == 'pyregr' and not self.with_pyregr:
 176                     continue
 177                 suite.addTest(
 178                     self.handle_directory(path, filename))
 179         if sys.platform not in ['win32'] and sys.version_info[0] < 3:
 180             # Non-Windows makefile, can't run Cython under Py3.
 181             if [1 for selector in self.selectors if selector("embedded")] \
 182                 and not [1 for selector in self.exclude_selectors if selector("embedded")]:
 183                 suite.addTest(unittest.makeSuite(EmbedTest))
 184         return suite
 185
 186     def handle_directory(self, path, context):
 187         workdir = os.path.join(self.workdir, context)
 188         if not os.path.exists(workdir):
 189             os.makedirs(workdir)
 190
 191         expect_errors = (context == 'errors')
 192         suite = unittest.TestSuite()
 193         filenames = os.listdir(path)
 194         filenames.sort()
 195         for filename in filenames:
 196             if context == "build" and filename.endswith(".srctree"):
 197                 if not [ 1 for match in self.selectors if match(filename) ]:
 198                     continue
 199                 if self.exclude_selectors:
 200                     if [1 for match in self.exclude_selectors if match(filename)]:
 201                         continue
 202                 suite.addTest(EndToEndTest(os.path.join(path, filename), workdir, self.cleanup_workdir))
 203                 continue
 204             if not (filename.endswith(".pyx") or filename.endswith(".py")):
 205                 continue
 206             if filename.startswith('.'): continue # certain emacs backup files
 207             if context == 'pyregr' and not filename.startswith('test_'):
 208                 continue
 209             module = os.path.splitext(filename)[0]
 210             fqmodule = "%s.%s" % (context, module)
 211             if not [ 1 for match in self.selectors
 212                      if match(fqmodule) ]:
 213                 continue
 214             if self.exclude_selectors:
 215                 if [1 for match in self.exclude_selectors if match(fqmodule)]:
 216                     continue
 217             if context == 'pyregr':
 218                 test_class = CythonPyregrTestCase
 219             elif context in TEST_RUN_DIRS:
 220                 if module.startswith("test_"):
 221                     test_class = CythonUnitTestCase
 222                 else:
 223                     test_class = CythonRunTestCase
 224             else:
 225                 test_class = CythonCompileTestCase
 226             for test in self.build_tests(test_class, path, workdir,
 227                                          module, expect_errors):
 228                 suite.addTest(test)
 229             if context == 'run' and filename.endswith('.py'):
 230                 # additionally test file in real Python
 231                 suite.addTest(PureDoctestTestCase(module, os.path.join(path, filename)))
 232         return suite
 233
 234     def build_tests(self, test_class, path, workdir, module, expect_errors):
 235         if expect_errors:
 236             if 'cpp' in module and 'cpp' in self.languages:
 237                 languages = ['cpp']
 238             else:
 239                 languages = self.languages[:1]
 240         else:
 241             languages = self.languages
 242         if 'cpp' in module and 'c' in languages:
 243             languages = list(languages)
 244             languages.remove('c')
 245         tests = [ self.build_test(test_class, path, workdir, module,
 246                                   language, expect_errors)
 247                   for language in languages ]
 248         return tests
 249
 250     def build_test(self, test_class, path, workdir, module,
 251                    language, expect_errors):
 252         workdir = os.path.join(workdir, language)
 253         if not os.path.exists(workdir):
 254             os.makedirs(workdir)
 255         return test_class(path, workdir, module,
 256                           language=language,
 257                           expect_errors=expect_errors,
 258                           annotate=self.annotate,
 259                           cleanup_workdir=self.cleanup_workdir,
 260                           cleanup_sharedlibs=self.cleanup_sharedlibs,
 261                           cython_only=self.cython_only,
 262                           fork=self.fork,
 263                           language_level=self.language_level)
 264
 265 class CythonCompileTestCase(unittest.TestCase):
 266     def __init__(self, test_directory, workdir, module, language='c',
 267                  expect_errors=False, annotate=False, cleanup_workdir=True,
 268                  cleanup_sharedlibs=True, cython_only=False, fork=True,
 269                  language_level=2):
 270         self.test_directory = test_directory
 271         self.workdir = workdir
 272         self.module = module
 273         self.language = language
 274         self.expect_errors = expect_errors
 275         self.annotate = annotate
 276         self.cleanup_workdir = cleanup_workdir
 277         self.cleanup_sharedlibs = cleanup_sharedlibs
 278         self.cython_only = cython_only
 279         self.fork = fork
 280         self.language_level = language_level
 281         unittest.TestCase.__init__(self)
 282
 283     def shortDescription(self):
 284         return "compiling (%s) %s" % (self.language, self.module)
 285
 286     def setUp(self):
 287         if self.workdir not in sys.path:
 288             sys.path.insert(0, self.workdir)
 289
 290     def tearDown(self):
 291         try:
 292             sys.path.remove(self.workdir)
 293         except ValueError:
 294             pass
 295         try:
 296             del sys.modules[self.module]
 297         except KeyError:
 298             pass
 299         cleanup_c_files = WITH_CYTHON and self.cleanup_workdir
 300         cleanup_lib_files = self.cleanup_sharedlibs
 301         if os.path.exists(self.workdir):
 302             for rmfile in os.listdir(self.workdir):
 303                 if not cleanup_c_files:
 304                     if rmfile[-2:] in (".c", ".h") or rmfile[-4:] == ".cpp":
 305                         continue
 306                 if not cleanup_lib_files and rmfile.endswith(".so") or rmfile.endswith(".dll"):
 307                     continue
 308                 if self.annotate and rmfile.endswith(".html"):
 309                     continue
 310                 try:
 311                     rmfile = os.path.join(self.workdir, rmfile)
 312                     if os.path.isdir(rmfile):
 313                         shutil.rmtree(rmfile, ignore_errors=True)
 314                     else:
 315                         os.remove(rmfile)
 316                 except IOError:
 317                     pass
 318         else:
 319             os.makedirs(self.workdir)
 320
 321     def runTest(self):
 322         self.runCompileTest()
 323
 324     def runCompileTest(self):
 325         self.compile(self.test_directory, self.module, self.workdir,
 326                      self.test_directory, self.expect_errors, self.annotate)
 327
 328     def find_module_source_file(self, source_file):
 329         if not os.path.exists(source_file):
 330             source_file = source_file[:-1]
 331         return source_file
 332
 333     def build_target_filename(self, module_name):
 334         target = '%s.%s' % (module_name, self.language)
 335         return target
 336
 337     def copy_related_files(self, test_directory, target_directory, module_name):
 338         is_related = re.compile('%s_.*[.].*' % module_name).match
 339         for filename in os.listdir(test_directory):
 340             if is_related(filename):
 341                 shutil.copy(os.path.join(test_directory, filename),
 342                             target_directory)
 343
 344     def find_source_files(self, workdir, module_name):
 345         is_related = re.compile('%s_.*[.]%s' % (module_name, self.language)).match
 346         return [self.build_target_filename(module_name)] + [
 347             filename for filename in os.listdir(workdir)
 348             if is_related(filename) and os.path.isfile(os.path.join(workdir, filename)) ]
 349
 350     def split_source_and_output(self, test_directory, module, workdir):
 351         source_file = self.find_module_source_file(os.path.join(test_directory, module) + '.pyx')
 352         source_and_output = codecs.open(source_file, 'rU', 'ISO-8859-1')
 353         try:
 354             out = codecs.open(os.path.join(workdir, module + os.path.splitext(source_file)[1]),
 355                               'w', 'ISO-8859-1')
 356             for line in source_and_output:
 357                 last_line = line
 358                 if line.startswith("_ERRORS"):
 359                     out.close()
 360                     out = ErrorWriter()
 361                 else:
 362                     out.write(line)
 363         finally:
 364             source_and_output.close()
 365         try:
 366             geterrors = out.geterrors
 367         except AttributeError:
 368             out.close()
 369             return []
 370         else:
 371             return geterrors()
 372
 373     def run_cython(self, test_directory, module, targetdir, incdir, annotate,
 374                    extra_compile_options=None):
 375         include_dirs = INCLUDE_DIRS[:]
 376         if incdir:
 377             include_dirs.append(incdir)
 378         source = self.find_module_source_file(
 379             os.path.join(test_directory, module + '.pyx'))
 380         target = os.path.join(targetdir, self.build_target_filename(module))
 381
 382         if extra_compile_options is None:
 383             extra_compile_options = {}
 384
 385         try:
 386             CompilationOptions
 387         except NameError:
 388             from Cython.Compiler.Main import CompilationOptions
 389             from Cython.Compiler.Main import compile as cython_compile
 390             from Cython.Compiler.Main import default_options
 391
 392         options = CompilationOptions(
 393             default_options,
 394             include_path = include_dirs,
 395             output_file = target,
 396             annotate = annotate,
 397             use_listing_file = False,
 398             cplus = self.language == 'cpp',
 399             language_level = self.language_level,
 400             generate_pxi = False,
 401             evaluate_tree_assertions = True,
 402             **extra_compile_options
 403             )
 404         cython_compile(source, options=options,
 405                        full_module_name=module)
 406
 407     def run_distutils(self, test_directory, module, workdir, incdir,
 408                       extra_extension_args=None):
 409         cwd = os.getcwd()
 410         os.chdir(workdir)
 411         try:
 412             build_extension = build_ext(distutils_distro)
 413             build_extension.include_dirs = INCLUDE_DIRS[:]
 414             if incdir:
 415                 build_extension.include_dirs.append(incdir)
 416             build_extension.finalize_options()
 417             ext_include_dirs = []
 418             for match, get_additional_include_dirs in EXT_DEP_INCLUDES:
 419                 if match(module):
 420                     ext_include_dirs += get_additional_include_dirs()
 421             self.copy_related_files(test_directory, workdir, module)
 422
 423             if extra_extension_args is None:
 424                 extra_extension_args = {}
 425
 426             extension = Extension(
 427                 module,
 428                 sources = self.find_source_files(workdir, module),
 429                 include_dirs = ext_include_dirs,
 430                 extra_compile_args = CFLAGS,
 431                 **extra_extension_args
 432                 )
 433             if self.language == 'cpp':
 434                 extension.language = 'c++'
 435             build_extension.extensions = [extension]
 436             build_extension.build_temp = workdir
 437             build_extension.build_lib  = workdir
 438             build_extension.run()
 439         finally:
 440             os.chdir(cwd)
 441
 442     def compile(self, test_directory, module, workdir, incdir,
 443                 expect_errors, annotate):
 444         expected_errors = errors = ()
 445         if expect_errors:
 446             expected_errors = self.split_source_and_output(
 447                 test_directory, module, workdir)
 448             test_directory = workdir
 449
 450         if WITH_CYTHON:
 451             old_stderr = sys.stderr
 452             try:
 453                 sys.stderr = ErrorWriter()
 454                 self.run_cython(test_directory, module, workdir, incdir, annotate)
 455                 errors = sys.stderr.geterrors()
 456             finally:
 457                 sys.stderr = old_stderr
 458
 459         if errors or expected_errors:
 460             try:
 461                 for expected, error in zip(expected_errors, errors):
 462                     self.assertEquals(expected, error)
 463                 if len(errors) < len(expected_errors):
 464                     expected_error = expected_errors[len(errors)]
 465                     self.assertEquals(expected_error, None)
 466                 elif len(errors) > len(expected_errors):
 467                     unexpected_error = errors[len(expected_errors)]
 468                     self.assertEquals(None, unexpected_error)
 469             except AssertionError:
 470                 print("\n=== Expected errors: ===")
 471                 print('\n'.join(expected_errors))
 472                 print("\n\n=== Got errors: ===")
 473                 print('\n'.join(errors))
 474                 print('\n')
 475                 raise
 476         else:
 477             if not self.cython_only:
 478                 self.run_distutils(test_directory, module, workdir, incdir)
 479
 480 class CythonRunTestCase(CythonCompileTestCase):
 481     def shortDescription(self):
 482         return "compiling (%s) and running %s" % (self.language, self.module)
 483
 484     def run(self, result=None):
 485         if result is None:
 486             result = self.defaultTestResult()
 487         result.startTest(self)
 488         try:
 489             self.setUp()
 490             try:
 491                 self.runCompileTest()
 492                 self.run_tests(result)
 493             finally:
 494                 check_thread_termination()
 495         except Exception:
 496             result.addError(self, sys.exc_info())
 497             result.stopTest(self)
 498         try:
 499             self.tearDown()
 500         except Exception:
 501             pass
 502
 503     def run_tests(self, result):
 504         if not self.cython_only:
 505             self.run_doctests(self.module, result)
 506
 507     def run_doctests(self, module_name, result):
 508         if sys.version_info[0] >= 3 or not hasattr(os, 'fork') or not self.fork:
 509             doctest.DocTestSuite(module_name).run(result)
 510             gc.collect()
 511             return
 512
 513         # fork to make sure we do not keep the tested module loaded
 514         result_handle, result_file = tempfile.mkstemp()
 515         os.close(result_handle)
 516         child_id = os.fork()
 517         if not child_id:
 518             result_code = 0
 519             try:
 520                 try:
 521                     tests = None
 522                     try:
 523                         partial_result = PartialTestResult(result)
 524                         tests = doctest.DocTestSuite(module_name)
 525                         tests.run(partial_result)
 526                         gc.collect()
 527                     except Exception:
 528                         if tests is None:
 529                             # importing failed, try to fake a test class
 530                             tests = _FakeClass(
 531                                 failureException=sys.exc_info()[1],
 532                                 _shortDescription=self.shortDescription(),
 533                                 module_name=None)
 534                         partial_result.addError(tests, sys.exc_info())
 535                         result_code = 1
 536                     output = open(result_file, 'wb')
 537                     pickle.dump(partial_result.data(), output)
 538                 except:
 539                     traceback.print_exc()
 540             finally:
 541                 try: output.close()
 542                 except: pass
 543                 os._exit(result_code)
 544
 545         try:
 546             cid, result_code = os.waitpid(child_id, 0)
 547             # os.waitpid returns the child's result code in the
 548             # upper byte of result_code, and the signal it was
 549             # killed by in the lower byte
 550             if result_code & 255:
 551                 raise Exception("Tests in module '%s' were unexpectedly killed by signal %d"%
 552                                 (module_name, result_code & 255))
 553             result_code = result_code >> 8
 554             if result_code in (0,1):
 555                 input = open(result_file, 'rb')
 556                 try:
 557                     PartialTestResult.join_results(result, pickle.load(input))
 558                 finally:
 559                     input.close()
 560             if result_code:
 561                 raise Exception("Tests in module '%s' exited with status %d" %
 562                                 (module_name, result_code))
 563         finally:
 564             try: os.unlink(result_file)
 565             except: pass
 566
 567 class PureDoctestTestCase(unittest.TestCase):
 568     def __init__(self, module_name, module_path):
 569         self.module_name = module_name
 570         self.module_path = module_path
 571         unittest.TestCase.__init__(self, 'run')
 572
 573     def shortDescription(self):
 574         return "running pure doctests in %s" % self.module_name
 575
 576     def run(self, result=None):
 577         if result is None:
 578             result = self.defaultTestResult()
 579         loaded_module_name = 'pure_doctest__' + self.module_name
 580         result.startTest(self)
 581         try:
 582             self.setUp()
 583
 584             import imp
 585             m = imp.load_source(loaded_module_name, self.module_path)
 586             try:
 587                 doctest.DocTestSuite(m).run(result)
 588             finally:
 589                 del m
 590                 if loaded_module_name in sys.modules:
 591                     del sys.modules[loaded_module_name]
 592                 check_thread_termination()
 593         except Exception:
 594             result.addError(self, sys.exc_info())
 595             result.stopTest(self)
 596         try:
 597             self.tearDown()
 598         except Exception:
 599             pass
 600
 601 is_private_field = re.compile('^_[^_]').match
 602
 603 class _FakeClass(object):
 604     def __init__(self, **kwargs):
 605         self._shortDescription = kwargs.get('module_name')
 606         self.__dict__.update(kwargs)
 607     def shortDescription(self):
 608         return self._shortDescription
 609
 610 try: # Py2.7+ and Py3.2+
 611     from unittest.runner import _TextTestResult
 612 except ImportError:
 613     from unittest import _TextTestResult
 614
 615 class PartialTestResult(_TextTestResult):
 616     def __init__(self, base_result):
 617         _TextTestResult.__init__(
 618             self, self._StringIO(), True,
 619             base_result.dots + base_result.showAll*2)
 620
 621     def strip_error_results(self, results):
 622         for test_case, error in results:
 623             for attr_name in filter(is_private_field, dir(test_case)):
 624                 if attr_name == '_dt_test':
 625                     test_case._dt_test = _FakeClass(
 626                         name=test_case._dt_test.name)
 627                 elif attr_name != '_shortDescription':
 628                     setattr(test_case, attr_name, None)
 629
 630     def data(self):
 631         self.strip_error_results(self.failures)
 632         self.strip_error_results(self.errors)
 633         return (self.failures, self.errors, self.testsRun,
 634                 self.stream.getvalue())
 635
 636     def join_results(result, data):
 637         """Static method for merging the result back into the main
 638         result object.
 639         """
 640         failures, errors, tests_run, output = data
 641         if output:
 642             result.stream.write(output)
 643         result.errors.extend(errors)
 644         result.failures.extend(failures)
 645         result.testsRun += tests_run
 646
 647     join_results = staticmethod(join_results)
 648
 649     class _StringIO(StringIO):
 650         def writeln(self, line):
 651             self.write("%s\n" % line)
 652
 653
 654 class CythonUnitTestCase(CythonRunTestCase):
 655     def shortDescription(self):
 656         return "compiling (%s) tests in %s" % (self.language, self.module)
 657
 658     def run_tests(self, result):
 659         unittest.defaultTestLoader.loadTestsFromName(self.module).run(result)
 660
 661
 662 class CythonPyregrTestCase(CythonRunTestCase):
 663     def _run_unittest(self, result, *classes):
 664         """Run tests from unittest.TestCase-derived classes."""
 665         valid_types = (unittest.TestSuite, unittest.TestCase)
 666         suite = unittest.TestSuite()
 667         for cls in classes:
 668             if isinstance(cls, str):
 669                 if cls in sys.modules:
 670                     suite.addTest(unittest.findTestCases(sys.modules[cls]))
 671                 else:
 672                     raise ValueError("str arguments must be keys in sys.modules")
 673             elif isinstance(cls, valid_types):
 674                 suite.addTest(cls)
 675             else:
 676                 suite.addTest(unittest.makeSuite(cls))
 677         suite.run(result)
 678
 679     def _run_doctest(self, result, module):
 680         self.run_doctests(module, result)
 681
 682     def run_tests(self, result):
 683         try:
 684             from test import test_support as support
 685         except ImportError: # Py3k
 686             from test import support
 687
 688         def run_unittest(*classes):
 689             return self._run_unittest(result, *classes)
 690         def run_doctest(module, verbosity=None):
 691             return self._run_doctest(result, module)
 692
 693         support.run_unittest = run_unittest
 694         support.run_doctest = run_doctest
 695
 696         try:
 697             module = __import__(self.module)
 698             if hasattr(module, 'test_main'):
 699                 module.test_main()
 700         except (unittest.SkipTest, support.ResourceDenied):
 701             result.addSkip(self, 'ok')
 702
 703 include_debugger = sys.version_info[:2] > (2, 5)
 704
 705 def collect_unittests(path, module_prefix, suite, selectors):
 706     def file_matches(filename):
 707         return filename.startswith("Test") and filename.endswith(".py")
 708
 709     def package_matches(dirname):
 710         return dirname == "Tests"
 711
 712     loader = unittest.TestLoader()
 713
 714     if include_debugger:
 715         skipped_dirs = []
 716     else:
 717         skipped_dirs = ['Cython' + os.path.sep + 'Debugger' + os.path.sep]
 718
 719     for dirpath, dirnames, filenames in os.walk(path):
 720         if dirpath != path and "__init__.py" not in filenames:
 721             skipped_dirs.append(dirpath + os.path.sep)
 722             continue
 723         skip = False
 724         for dir in skipped_dirs:
 725             if dirpath.startswith(dir):
 726                 skip = True
 727         if skip:
 728             continue
 729         parentname = os.path.split(dirpath)[-1]
 730         if package_matches(parentname):
 731             for f in filenames:
 732                 if file_matches(f):
 733                     filepath = os.path.join(dirpath, f)[:-len(".py")]
 734                     modulename = module_prefix + filepath[len(path)+1:].replace(os.path.sep, '.')
 735                     if not [ 1 for match in selectors if match(modulename) ]:
 736                         continue
 737                     module = __import__(modulename)
 738                     for x in modulename.split('.')[1:]:
 739                         module = getattr(module, x)
 740                     suite.addTests([loader.loadTestsFromModule(module)])
 741
 742
 743
 744 def collect_doctests(path, module_prefix, suite, selectors):
 745     def package_matches(dirname):
 746         if dirname == 'Debugger' and not include_debugger:
 747             return False
 748         return dirname not in ("Mac", "Distutils", "Plex")
 749     def file_matches(filename):
 750         filename, ext = os.path.splitext(filename)
 751         blacklist = ['libcython', 'libpython', 'test_libcython_in_gdb',
 752                      'TestLibCython']
 753         return (ext == '.py' and not
 754                 '~' in filename and not
 755                 '#' in filename and not
 756                 filename.startswith('.') and not
 757                 filename in blacklist)
 758     import doctest, types
 759     for dirpath, dirnames, filenames in os.walk(path):
 760         for dir in list(dirnames):
 761             if not package_matches(dir):
 762                 dirnames.remove(dir)
 763         for f in filenames:
 764             if file_matches(f):
 765                 if not f.endswith('.py'): continue
 766                 filepath = os.path.join(dirpath, f)
 767                 if os.path.getsize(filepath) == 0: continue
 768                 filepath = filepath[:-len(".py")]
 769                 modulename = module_prefix + filepath[len(path)+1:].replace(os.path.sep, '.')
 770                 if not [ 1 for match in selectors if match(modulename) ]:
 771                     continue
 772                 if 'in_gdb' in modulename:
 773                     # These should only be imported from gdb.
 774                     continue
 775                 module = __import__(modulename)
 776                 for x in modulename.split('.')[1:]:
 777                     module = getattr(module, x)
 778                 if hasattr(module, "__doc__") or hasattr(module, "__test__"):
 779                     try:
 780                         suite.addTest(doctest.DocTestSuite(module))
 781                     except ValueError: # no tests
 782                         pass
 783
 784
 785 class EndToEndTest(unittest.TestCase):
 786     """
 787     This is a test of build/*.srctree files, where srctree defines a full
 788     directory structure and its header gives a list of commands to run.
 789     """
 790     cython_root = os.path.dirname(os.path.abspath(__file__))
 791
 792     def __init__(self, treefile, workdir, cleanup_workdir=True):
 793         self.name = os.path.splitext(os.path.basename(treefile))[0]
 794         self.treefile = treefile
 795         self.workdir = os.path.join(workdir, self.name)
 796         self.cleanup_workdir = cleanup_workdir
 797         cython_syspath = self.cython_root
 798         for path in sys.path[::-1]:
 799             if path.startswith(self.cython_root):
 800                 # Py3 installation and refnanny build prepend their
 801                 # fixed paths to sys.path => prefer that over the
 802                 # generic one
 803                 cython_syspath = path + os.pathsep + cython_syspath
 804         self.cython_syspath = cython_syspath
 805         unittest.TestCase.__init__(self)
 806
 807     def shortDescription(self):
 808         return "End-to-end %s" % self.name
 809
 810     def setUp(self):
 811         from Cython.TestUtils import unpack_source_tree
 812         _, self.commands = unpack_source_tree(self.treefile, self.workdir)
 813         self.old_dir = os.getcwd()
 814         os.chdir(self.workdir)
 815         if self.workdir not in sys.path:
 816             sys.path.insert(0, self.workdir)
 817
 818     def tearDown(self):
 819         if self.cleanup_workdir:
 820             for trial in range(5):
 821                 try:
 822                     shutil.rmtree(self.workdir)
 823                 except OSError:
 824                     time.sleep(0.1)
 825                 else:
 826                     break
 827         os.chdir(self.old_dir)
 828
 829     def runTest(self):
 830         commands = (self.commands
 831             .replace("CYTHON", "PYTHON %s" % os.path.join(self.cython_root, 'cython.py'))
 832             .replace("PYTHON", sys.executable))
 833         try:
 834             old_path = os.environ.get('PYTHONPATH')
 835             os.environ['PYTHONPATH'] = self.cython_syspath + os.pathsep + os.path.join(self.cython_syspath, (old_path or ''))
 836             for command in commands.split('\n'):
 837                 if sys.version_info[:2] >= (2,4):
 838                     import subprocess
 839                     p = subprocess.Popen(commands,
 840                                          stderr=subprocess.PIPE,
 841                                          stdout=subprocess.PIPE,
 842                                          shell=True)
 843                     out, err = p.communicate()
 844                     res = p.returncode
 845                     if res != 0:
 846                         print(command)
 847                         print(out)
 848                         print(err)
 849                 else:
 850                     res = os.system(command)
 851                 self.assertEqual(0, res, "non-zero exit status")
 852         finally:
 853             if old_path:
 854                 os.environ['PYTHONPATH'] = old_path
 855             else:
 856                 del os.environ['PYTHONPATH']
 857
 858
 859 # TODO: Support cython_freeze needed here as well.
 860 # TODO: Windows support.
 861
 862 class EmbedTest(unittest.TestCase):
 863
 864     working_dir = "Demos/embed"
 865
 866     def setUp(self):
 867         self.old_dir = os.getcwd()
 868         os.chdir(self.working_dir)
 869         os.system(
 870             "make PYTHON='%s' clean > /dev/null" % sys.executable)
 871
 872     def tearDown(self):
 873         try:
 874             os.system(
 875                 "make PYTHON='%s' clean > /dev/null" % sys.executable)
 876         except:
 877             pass
 878         os.chdir(self.old_dir)
 879
 880     def test_embed(self):
 881         from distutils import sysconfig
 882         libname = sysconfig.get_config_var('LIBRARY')
 883         libdir = sysconfig.get_config_var('LIBDIR')
 884         if not os.path.isdir(libdir) or libname not in os.listdir(libdir):
 885             libdir = os.path.join(os.path.dirname(sys.executable), '..', 'lib')
 886             if not os.path.isdir(libdir) or libname not in os.listdir(libdir):
 887                 libdir = os.path.join(libdir, 'python%d.%d' % sys.version_info[:2], 'config')
 888                 if not os.path.isdir(libdir) or libname not in os.listdir(libdir):
 889                     # report the error for the original directory
 890                     libdir = sysconfig.get_config_var('LIBDIR')
 891         self.assert_(os.system(
 892             "make PYTHON='%s' LIBDIR1='%s' test > make.output" % (sys.executable, libdir)) == 0)
 893         try:
 894             os.remove('make.output')
 895         except OSError:
 896             pass
 897
 898 class MissingDependencyExcluder:
 899     def __init__(self, deps):
 900         # deps: { module name : matcher func }
 901         self.exclude_matchers = []
 902         for mod, matcher in deps.items():
 903             try:
 904                 __import__(mod)
 905             except ImportError:
 906                 self.exclude_matchers.append(matcher)
 907         self.tests_missing_deps = []
 908     def __call__(self, testname):
 909         for matcher in self.exclude_matchers:
 910             if matcher(testname):
 911                 self.tests_missing_deps.append(testname)
 912                 return True
 913         return False
 914
 915 class VersionDependencyExcluder:
 916     def __init__(self, deps):
 917         # deps: { version : matcher func }
 918         from sys import version_info
 919         self.exclude_matchers = []
 920         for ver, (compare, matcher) in deps.items():
 921             if compare(version_info, ver):
 922                 self.exclude_matchers.append(matcher)
 923         self.tests_missing_deps = []
 924     def __call__(self, testname):
 925         for matcher in self.exclude_matchers:
 926             if matcher(testname):
 927                 self.tests_missing_deps.append(testname)
 928                 return True
 929         return False
 930
 931 class FileListExcluder:
 932
 933     def __init__(self, list_file):
 934         self.excludes = {}
 935         f = open(list_file)
 936         try:
 937             for line in f.readlines():
 938                 line = line.strip()
 939                 if line and line[0] != '#':
 940                     self.excludes[line.split()[0]] = True
 941         finally:
 942             f.close()
 943
 944     def __call__(self, testname):
 945         return testname in self.excludes or testname.split('.')[-1] in self.excludes
 946
 947 def refactor_for_py3(distdir, cy3_dir):
 948     # need to convert Cython sources first
 949     import lib2to3.refactor
 950     from distutils.util import copydir_run_2to3
 951     fixers = [ fix for fix in lib2to3.refactor.get_fixers_from_package("lib2to3.fixes")
 952                if fix.split('fix_')[-1] not in ('next',)
 953                ]
 954     if not os.path.exists(cy3_dir):
 955         os.makedirs(cy3_dir)
 956     import distutils.log as dlog
 957     dlog.set_threshold(dlog.INFO)
 958     copydir_run_2to3(distdir, cy3_dir, fixer_names=fixers,
 959                      template = '''
 960                      global-exclude *
 961                      graft Cython
 962                      recursive-exclude Cython *
 963                      recursive-include Cython *.py *.pyx *.pxd
 964                      recursive-include Cython/Debugger/Tests *
 965                      include runtests.py
 966                      ''')
 967     sys.path.insert(0, cy3_dir)
 968
 969     for keep_2x_file in KEEP_2X_FILES:
 970         destfile = os.path.join(cy3_dir, keep_2x_file)
 971         shutil.copy(keep_2x_file, destfile)
 972
 973 class PendingThreadsError(RuntimeError):
 974     pass
 975
 976 threads_seen = []
 977
 978 def check_thread_termination(ignore_seen=True):
 979     if threading is None: # no threading enabled in CPython
 980         return
 981     current = threading.currentThread()
 982     blocking_threads = []
 983     for t in threading.enumerate():
 984         if not t.isAlive() or t == current:
 985             continue
 986         t.join(timeout=2)
 987         if t.isAlive():
 988             if not ignore_seen:
 989                 blocking_threads.append(t)
 990                 continue
 991             for seen in threads_seen:
 992                 if t is seen:
 993                     break
 994             else:
 995                 threads_seen.append(t)
 996                 blocking_threads.append(t)
 997     if not blocking_threads:
 998         return
 999     sys.stderr.write("warning: left-over threads found after running test:\n")
1000     for t in blocking_threads:
1001         sys.stderr.write('...%s\n'  % repr(t))
1002     raise PendingThreadsError("left-over threads found after running test")
1003
1004 def main():
1005
1006     DISTDIR = os.path.join(os.getcwd(), os.path.dirname(sys.argv[0]))
1007
1008     from optparse import OptionParser
1009     parser = OptionParser()
1010     parser.add_option("--no-cleanup", dest="cleanup_workdir",
1011                       action="store_false", default=True,
1012                       help="do not delete the generated C files (allows passing --no-cython on next run)")
1013     parser.add_option("--no-cleanup-sharedlibs", dest="cleanup_sharedlibs",
1014                       action="store_false", default=True,
1015                       help="do not delete the generated shared libary files (allows manual module experimentation)")
1016     parser.add_option("--no-cython", dest="with_cython",
1017                       action="store_false", default=True,
1018                       help="do not run the Cython compiler, only the C compiler")
1019     parser.add_option("--no-c", dest="use_c",
1020                       action="store_false", default=True,
1021                       help="do not test C compilation")
1022     parser.add_option("--no-cpp", dest="use_cpp",
1023                       action="store_false", default=True,
1024                       help="do not test C++ compilation")
1025     parser.add_option("--no-unit", dest="unittests",
1026                       action="store_false", default=True,
1027                       help="do not run the unit tests")
1028     parser.add_option("--no-doctest", dest="doctests",
1029                       action="store_false", default=True,
1030                       help="do not run the doctests")
1031     parser.add_option("--no-file", dest="filetests",
1032                       action="store_false", default=True,
1033                       help="do not run the file based tests")
1034     parser.add_option("--no-pyregr", dest="pyregr",
1035                       action="store_false", default=True,
1036                       help="do not run the regression tests of CPython in tests/pyregr/")
1037     parser.add_option("--cython-only", dest="cython_only",
1038                       action="store_true", default=False,
1039                       help="only compile pyx to c, do not run C compiler or run the tests")
1040     parser.add_option("--no-refnanny", dest="with_refnanny",
1041                       action="store_false", default=True,
1042                       help="do not regression test reference counting")
1043     parser.add_option("--no-fork", dest="fork",
1044                       action="store_false", default=True,
1045                       help="do not fork to run tests")
1046     parser.add_option("--sys-pyregr", dest="system_pyregr",
1047                       action="store_true", default=False,
1048                       help="run the regression tests of the CPython installation")
1049     parser.add_option("-x", "--exclude", dest="exclude",
1050                       action="append", metavar="PATTERN",
1051                       help="exclude tests matching the PATTERN")
1052     parser.add_option("-C", "--coverage", dest="coverage",
1053                       action="store_true", default=False,
1054                       help="collect source coverage data for the Compiler")
1055     parser.add_option("--coverage-xml", dest="coverage_xml",
1056                       action="store_true", default=False,
1057                       help="collect source coverage data for the Compiler in XML format")
1058     parser.add_option("-A", "--annotate", dest="annotate_source",
1059                       action="store_true", default=True,
1060                       help="generate annotated HTML versions of the test source files")
1061     parser.add_option("--no-annotate", dest="annotate_source",
1062                       action="store_false",
1063                       help="do not generate annotated HTML versions of the test source files")
1064     parser.add_option("-v", "--verbose", dest="verbosity",
1065                       action="count", default=0,
1066                       help="display test progress, pass twice to print test names")
1067     parser.add_option("-T", "--ticket", dest="tickets",
1068                       action="append",
1069                       help="a bug ticket number to run the respective test in 'tests/*'")
1070     parser.add_option("-3", dest="language_level",
1071                       action="store_const", const=3, default=2,
1072                       help="set language level to Python 3 (useful for running the CPython regression tests)'")
1073     parser.add_option("--xml-output", dest="xml_output_dir", metavar="DIR",
1074                       help="write test results in XML to directory DIR")
1075     parser.add_option("--exit-ok", dest="exit_ok", default=False,
1076                       action="store_true",
1077                       help="exit without error code even on test failures")
1078     parser.add_option("--root-dir", dest="root_dir", default=os.path.join(DISTDIR, 'tests'),
1079                       help="working directory")
1080     parser.add_option("--work-dir", dest="work_dir", default=os.path.join(os.getcwd(), 'BUILD'),
1081                       help="working directory")
1082
1083     options, cmd_args = parser.parse_args()
1084
1085     ROOTDIR = os.path.abspath(options.root_dir)
1086     WORKDIR = os.path.abspath(options.work_dir)
1087
1088     if sys.version_info[0] >= 3:
1089         options.doctests = False
1090         if options.with_cython:
1091             try:
1092                 # try if Cython is installed in a Py3 version
1093                 import Cython.Compiler.Main
1094             except Exception:
1095                 # back out anything the import process loaded, then
1096                 # 2to3 the Cython sources to make them re-importable
1097                 cy_modules = [ name for name in sys.modules
1098                                if name == 'Cython' or name.startswith('Cython.') ]
1099                 for name in cy_modules:
1100                     del sys.modules[name]
1101                 # hasn't been refactored yet - do it now
1102                 cy3_dir = os.path.join(WORKDIR, 'Cy3')
1103                 if sys.version_info >= (3,1):
1104                     refactor_for_py3(DISTDIR, cy3_dir)
1105                 elif os.path.isdir(cy3_dir):
1106                     sys.path.insert(0, cy3_dir)
1107                 else:
1108                     options.with_cython = False
1109
1110     WITH_CYTHON = options.with_cython
1111
1112     if options.coverage or options.coverage_xml:
1113         if not WITH_CYTHON:
1114             options.coverage = options.coverage_xml = False
1115         else:
1116             from coverage import coverage as _coverage
1117             coverage = _coverage(branch=True)
1118             coverage.erase()
1119             coverage.start()
1120
1121     if WITH_CYTHON:
1122         global CompilationOptions, pyrex_default_options, cython_compile
1123         from Cython.Compiler.Main import \
1124             CompilationOptions, \
1125             default_options as pyrex_default_options, \
1126             compile as cython_compile
1127         from Cython.Compiler import Errors
1128         Errors.LEVEL = 0 # show all warnings
1129         from Cython.Compiler import Options
1130         Options.generate_cleanup_code = 3   # complete cleanup code
1131         from Cython.Compiler import DebugFlags
1132         DebugFlags.debug_temp_code_comments = 1
1133
1134     # RUN ALL TESTS!
1135     UNITTEST_MODULE = "Cython"
1136     UNITTEST_ROOT = os.path.join(os.path.dirname(__file__), UNITTEST_MODULE)
1137     if WITH_CYTHON:
1138         if os.path.exists(WORKDIR):
1139             for path in os.listdir(WORKDIR):
1140                 if path in ("support", "Cy3"): continue
1141                 shutil.rmtree(os.path.join(WORKDIR, path), ignore_errors=True)
1142     if not os.path.exists(WORKDIR):
1143         os.makedirs(WORKDIR)
1144
1145     sys.stderr.write("Python %s\n" % sys.version)
1146     sys.stderr.write("\n")
1147     if WITH_CYTHON:
1148         from Cython.Compiler.Version import version
1149         sys.stderr.write("Running tests against Cython %s\n" % version)
1150     else:
1151         sys.stderr.write("Running tests without Cython.\n")
1152
1153     if options.with_refnanny:
1154         from pyximport.pyxbuild import pyx_to_dll
1155         libpath = pyx_to_dll(os.path.join("Cython", "Runtime", "refnanny.pyx"),
1156                              build_in_temp=True,
1157                              pyxbuild_dir=os.path.join(WORKDIR, "support"))
1158         sys.path.insert(0, os.path.split(libpath)[0])
1159         CFLAGS.append("-DCYTHON_REFNANNY=1")
1160
1161     if options.xml_output_dir and options.fork:
1162         # doesn't currently work together
1163         sys.stderr.write("Disabling forked testing to support XML test output\n")
1164         options.fork = False
1165
1166     if WITH_CYTHON and options.language_level == 3:
1167         sys.stderr.write("Using Cython language level 3.\n")
1168
1169     sys.stderr.write("\n")
1170
1171     test_bugs = False
1172     if options.tickets:
1173         for ticket_number in options.tickets:
1174             test_bugs = True
1175             cmd_args.append('.*T%s$' % ticket_number)
1176     if not test_bugs:
1177         for selector in cmd_args:
1178             if selector.startswith('bugs'):
1179                 test_bugs = True
1180
1181     import re
1182     selectors = [ re.compile(r, re.I|re.U).search for r in cmd_args ]
1183     if not selectors:
1184         selectors = [ lambda x:True ]
1185
1186     # Chech which external modules are not present and exclude tests
1187     # which depends on them (by prefix)
1188
1189     missing_dep_excluder = MissingDependencyExcluder(EXT_DEP_MODULES)
1190     version_dep_excluder = VersionDependencyExcluder(VER_DEP_MODULES)
1191     exclude_selectors = [missing_dep_excluder, version_dep_excluder] # want to pring msg at exit
1192
1193     if options.exclude:
1194         exclude_selectors += [ re.compile(r, re.I|re.U).search for r in options.exclude ]
1195
1196     if not test_bugs:
1197         exclude_selectors += [ FileListExcluder(os.path.join(ROOTDIR, "bugs.txt")) ]
1198
1199     if sys.platform in ['win32', 'cygwin'] and sys.version_info < (2,6):
1200         exclude_selectors += [ lambda x: x == "run.specialfloat" ]
1201
1202     languages = []
1203     if options.use_c:
1204         languages.append('c')
1205     if options.use_cpp:
1206         languages.append('cpp')
1207
1208     test_suite = unittest.TestSuite()
1209
1210     if options.unittests:
1211         collect_unittests(UNITTEST_ROOT, UNITTEST_MODULE + ".", test_suite, selectors)
1212
1213     if options.doctests:
1214         collect_doctests(UNITTEST_ROOT, UNITTEST_MODULE + ".", test_suite, selectors)
1215
1216     if options.filetests and languages:
1217         filetests = TestBuilder(ROOTDIR, WORKDIR, selectors, exclude_selectors,
1218                                 options.annotate_source, options.cleanup_workdir,
1219                                 options.cleanup_sharedlibs, options.pyregr,
1220                                 options.cython_only, languages, test_bugs,
1221                                 options.fork, options.language_level)
1222         test_suite.addTest(filetests.build_suite())
1223
1224     if options.system_pyregr and languages:
1225         filetests = TestBuilder(ROOTDIR, WORKDIR, selectors, exclude_selectors,
1226                                 options.annotate_source, options.cleanup_workdir,
1227                                 options.cleanup_sharedlibs, True,
1228                                 options.cython_only, languages, test_bugs,
1229                                 options.fork, options.language_level)
1230         test_suite.addTest(
1231             filetests.handle_directory(
1232                 os.path.join(sys.prefix, 'lib', 'python'+sys.version[:3], 'test'),
1233                 'pyregr'))
1234
1235     if options.xml_output_dir:
1236         from Cython.Tests.xmlrunner import XMLTestRunner
1237         test_runner = XMLTestRunner(output=options.xml_output_dir,
1238                                     verbose=options.verbosity > 0)
1239     else:
1240         test_runner = unittest.TextTestRunner(verbosity=options.verbosity)
1241
1242     result = test_runner.run(test_suite)
1243
1244     if options.coverage or options.coverage_xml:
1245         coverage.stop()
1246         ignored_modules = ('Options', 'Version', 'DebugFlags', 'CmdLine')
1247         modules = [ module for name, module in sys.modules.items()
1248                     if module is not None and
1249                     name.startswith('Cython.Compiler.') and
1250                     name[len('Cython.Compiler.'):] not in ignored_modules ]
1251         if options.coverage:
1252             coverage.report(modules, show_missing=0)
1253         if options.coverage_xml:
1254             coverage.xml_report(modules, outfile="coverage-report.xml")
1255
1256     if missing_dep_excluder.tests_missing_deps:
1257         sys.stderr.write("Following tests excluded because of missing dependencies on your system:\n")
1258         for test in missing_dep_excluder.tests_missing_deps:
1259             sys.stderr.write("   %s\n" % test)
1260
1261     if options.with_refnanny:
1262         import refnanny
1263         sys.stderr.write("\n".join([repr(x) for x in refnanny.reflog]))
1264
1265     print("ALL DONE")
1266
1267     if options.exit_ok:
1268         return_code = 0
1269     else:
1270         return_code = not result.wasSuccessful()
1271
1272     try:
1273         check_thread_termination(ignore_seen=False)
1274         sys.exit(return_code)
1275     except PendingThreadsError:
1276         # normal program exit won't kill the threads, do it the hard way here
1277         os._exit(return_code)
1278
1279 if __name__ == '__main__':
1280     try:
1281         main()
1282     except SystemExit: # <= Py2.4 ...
1283         raise
1284     except Exception:
1285         traceback.print_exc()
1286         try:
1287             check_thread_termination(ignore_seen=False)
1288         except PendingThreadsError:
1289             # normal program exit won't kill the threads, do it the hard way here
1290             os._exit(1)