runtests.py

   1 #!/usr/bin/python
   2
   3 import os, sys, re, shutil, unittest, doctest
   4
   5 WITH_CYTHON = True
   6
   7 from distutils.dist import Distribution
   8 from distutils.core import Extension
   9 from distutils.command.build_ext import build_ext as _build_ext
  10 distutils_distro = Distribution()
  11
  12 TEST_DIRS = ['compile', 'errors', 'run', 'pyregr']
  13 TEST_RUN_DIRS = ['run', 'pyregr', 'bugs']
  14
  15 # Lists external modules, and a matcher matching tests
  16 # which should be excluded if the module is not present.
  17 EXT_DEP_MODULES = {
  18     'numpy' : re.compile('.*\.numpy_.*').match
  19 }
  20
  21 VER_DEP_MODULES = {
  22 # such as:
  23 #    (2,4) : lambda x: x in ['run.set']
  24 }
  25
  26 INCLUDE_DIRS = [ d for d in os.getenv('INCLUDE', '').split(os.pathsep) if d ]
  27 CFLAGS = os.getenv('CFLAGS', '').split()
  28
  29 class build_ext(_build_ext):
  30     def build_extension(self, ext):
  31         if ext.language == 'c++':
  32             try:
  33                 self.compiler.compiler_so.remove('-Wstrict-prototypes')
  34             except Exception:
  35                 pass
  36         _build_ext.build_extension(self, ext)
  37
  38 class ErrorWriter(object):
  39     match_error = re.compile('(warning:)?(?:.*:)?\s*([-0-9]+)\s*:\s*([-0-9]+)\s*:\s*(.*)').match
  40     def __init__(self):
  41         self.output = []
  42         self.write = self.output.append
  43
  44     def _collect(self, collect_errors, collect_warnings):
  45         s = ''.join(self.output)
  46         result = []
  47         for line in s.split('\n'):
  48             match = self.match_error(line)
  49             if match:
  50                 is_warning, line, column, message = match.groups()
  51                 if (is_warning and collect_warnings) or \
  52                         (not is_warning and collect_errors):
  53                     result.append( (int(line), int(column), message.strip()) )
  54         result.sort()
  55         return [ "%d:%d: %s" % values for values in result ]
  56
  57     def geterrors(self):
  58         return self._collect(True, False)
  59
  60     def getwarnings(self):
  61         return self._collect(False, True)
  62
  63     def getall(self):
  64         return self._collect(True, True)
  65
  66 class TestBuilder(object):
  67     def __init__(self, rootdir, workdir, selectors, exclude_selectors, annotate,
  68                  cleanup_workdir, cleanup_sharedlibs, with_pyregr, cython_only,
  69                  languages, test_bugs):
  70         self.rootdir = rootdir
  71         self.workdir = workdir
  72         self.selectors = selectors
  73         self.exclude_selectors = exclude_selectors
  74         self.annotate = annotate
  75         self.cleanup_workdir = cleanup_workdir
  76         self.cleanup_sharedlibs = cleanup_sharedlibs
  77         self.with_pyregr = with_pyregr
  78         self.cython_only = cython_only
  79         self.languages = languages
  80         self.test_bugs = test_bugs
  81
  82     def build_suite(self):
  83         suite = unittest.TestSuite()
  84         test_dirs = TEST_DIRS
  85         if self.test_bugs and 'bugs' not in test_dirs:
  86             test_dirs.append('bugs')
  87         filenames = os.listdir(self.rootdir)
  88         filenames.sort()
  89         for filename in filenames:
  90             if not WITH_CYTHON and filename == "errors":
  91                 # we won't get any errors without running Cython
  92                 continue
  93             path = os.path.join(self.rootdir, filename)
  94             if os.path.isdir(path) and filename in test_dirs:
  95                 if filename == 'pyregr' and not self.with_pyregr:
  96                     continue
  97                 suite.addTest(
  98                     self.handle_directory(path, filename))
  99         return suite
 100
 101     def handle_directory(self, path, context):
 102         workdir = os.path.join(self.workdir, context)
 103         if not os.path.exists(workdir):
 104             os.makedirs(workdir)
 105
 106         expect_errors = (context == 'errors')
 107         suite = unittest.TestSuite()
 108         filenames = os.listdir(path)
 109         filenames.sort()
 110         for filename in filenames:
 111             if not (filename.endswith(".pyx") or filename.endswith(".py")):
 112                 continue
 113             if filename.startswith('.'): continue # certain emacs backup files
 114             if context == 'pyregr' and not filename.startswith('test_'):
 115                 continue
 116             module = os.path.splitext(filename)[0]
 117             fqmodule = "%s.%s" % (context, module)
 118             if not [ 1 for match in self.selectors
 119                      if match(fqmodule) ]:
 120                 continue
 121             if self.exclude_selectors:
 122                 if [1 for match in self.exclude_selectors if match(fqmodule)]:
 123                     continue
 124             if context in TEST_RUN_DIRS:
 125                 if module.startswith("test_"):
 126                     test_class = CythonUnitTestCase
 127                 else:
 128                     test_class = CythonRunTestCase
 129             else:
 130                 test_class = CythonCompileTestCase
 131             for test in self.build_tests(test_class, path, workdir,
 132                                          module, expect_errors):
 133                 suite.addTest(test)
 134         return suite
 135
 136     def build_tests(self, test_class, path, workdir, module, expect_errors):
 137         if expect_errors:
 138             languages = self.languages[:1]
 139         else:
 140             languages = self.languages
 141         tests = [ self.build_test(test_class, path, workdir, module,
 142                                   language, expect_errors)
 143                   for language in languages ]
 144         return tests
 145
 146     def build_test(self, test_class, path, workdir, module,
 147                    language, expect_errors):
 148         workdir = os.path.join(workdir, language)
 149         if not os.path.exists(workdir):
 150             os.makedirs(workdir)
 151         return test_class(path, workdir, module,
 152                           language=language,
 153                           expect_errors=expect_errors,
 154                           annotate=self.annotate,
 155                           cleanup_workdir=self.cleanup_workdir,
 156                           cleanup_sharedlibs=self.cleanup_sharedlibs,
 157                           cython_only=self.cython_only)
 158
 159 class CythonCompileTestCase(unittest.TestCase):
 160     def __init__(self, directory, workdir, module, language='c',
 161                  expect_errors=False, annotate=False, cleanup_workdir=True,
 162                  cleanup_sharedlibs=True, cython_only=False):
 163         self.directory = directory
 164         self.workdir = workdir
 165         self.module = module
 166         self.language = language
 167         self.expect_errors = expect_errors
 168         self.annotate = annotate
 169         self.cleanup_workdir = cleanup_workdir
 170         self.cleanup_sharedlibs = cleanup_sharedlibs
 171         self.cython_only = cython_only
 172         unittest.TestCase.__init__(self)
 173
 174     def shortDescription(self):
 175         return "compiling (%s) %s" % (self.language, self.module)
 176
 177     def setUp(self):
 178         if self.workdir not in sys.path:
 179             sys.path.insert(0, self.workdir)
 180
 181     def tearDown(self):
 182         try:
 183             sys.path.remove(self.workdir)
 184         except ValueError:
 185             pass
 186         try:
 187             del sys.modules[self.module]
 188         except KeyError:
 189             pass
 190         cleanup_c_files = WITH_CYTHON and self.cleanup_workdir
 191         cleanup_lib_files = self.cleanup_sharedlibs
 192         if os.path.exists(self.workdir):
 193             for rmfile in os.listdir(self.workdir):
 194                 if not cleanup_c_files:
 195                     if rmfile[-2:] in (".c", ".h") or rmfile[-4:] == ".cpp":
 196                         continue
 197                 if not cleanup_lib_files and rmfile.endswith(".so") or rmfile.endswith(".dll"):
 198                     continue
 199                 if self.annotate and rmfile.endswith(".html"):
 200                     continue
 201                 try:
 202                     rmfile = os.path.join(self.workdir, rmfile)
 203                     if os.path.isdir(rmfile):
 204                         shutil.rmtree(rmfile, ignore_errors=True)
 205                     else:
 206                         os.remove(rmfile)
 207                 except IOError:
 208                     pass
 209         else:
 210             os.makedirs(self.workdir)
 211
 212     def runTest(self):
 213         self.runCompileTest()
 214
 215     def runCompileTest(self):
 216         self.compile(self.directory, self.module, self.workdir,
 217                      self.directory, self.expect_errors, self.annotate)
 218
 219     def find_module_source_file(self, source_file):
 220         if not os.path.exists(source_file):
 221             source_file = source_file[:-1]
 222         return source_file
 223
 224     def build_target_filename(self, module_name):
 225         target = '%s.%s' % (module_name, self.language)
 226         return target
 227
 228     def split_source_and_output(self, directory, module, workdir):
 229         source_file = os.path.join(directory, module) + '.pyx'
 230         source_and_output = open(
 231             self.find_module_source_file(source_file), 'rU')
 232         out = open(os.path.join(workdir, module + '.pyx'), 'w')
 233         for line in source_and_output:
 234             last_line = line
 235             if line.startswith("_ERRORS"):
 236                 out.close()
 237                 out = ErrorWriter()
 238             else:
 239                 out.write(line)
 240         try:
 241             geterrors = out.geterrors
 242         except AttributeError:
 243             return []
 244         else:
 245             return geterrors()
 246
 247     def run_cython(self, directory, module, targetdir, incdir, annotate):
 248         include_dirs = INCLUDE_DIRS[:]
 249         if incdir:
 250             include_dirs.append(incdir)
 251         source = self.find_module_source_file(
 252             os.path.join(directory, module + '.pyx'))
 253         target = os.path.join(targetdir, self.build_target_filename(module))
 254         options = CompilationOptions(
 255             pyrex_default_options,
 256             include_path = include_dirs,
 257             output_file = target,
 258             annotate = annotate,
 259             use_listing_file = False,
 260             cplus = self.language == 'cpp',
 261             generate_pxi = False)
 262         cython_compile(source, options=options,
 263                        full_module_name=module)
 264
 265     def run_distutils(self, module, workdir, incdir):
 266         cwd = os.getcwd()
 267         os.chdir(workdir)
 268         try:
 269             build_extension = build_ext(distutils_distro)
 270             build_extension.include_dirs = INCLUDE_DIRS[:]
 271             if incdir:
 272                 build_extension.include_dirs.append(incdir)
 273             build_extension.finalize_options()
 274             extension = Extension(
 275                 module,
 276                 sources = [self.build_target_filename(module)],
 277                 extra_compile_args = CFLAGS,
 278                 )
 279             if self.language == 'cpp':
 280                 extension.language = 'c++'
 281             build_extension.extensions = [extension]
 282             build_extension.build_temp = workdir
 283             build_extension.build_lib  = workdir
 284             build_extension.run()
 285         finally:
 286             os.chdir(cwd)
 287
 288     def compile(self, directory, module, workdir, incdir,
 289                 expect_errors, annotate):
 290         expected_errors = errors = ()
 291         if expect_errors:
 292             expected_errors = self.split_source_and_output(
 293                 directory, module, workdir)
 294             directory = workdir
 295
 296         if WITH_CYTHON:
 297             old_stderr = sys.stderr
 298             try:
 299                 sys.stderr = ErrorWriter()
 300                 self.run_cython(directory, module, workdir, incdir, annotate)
 301                 errors = sys.stderr.geterrors()
 302             finally:
 303                 sys.stderr = old_stderr
 304
 305         if errors or expected_errors:
 306             for expected, error in zip(expected_errors, errors):
 307                 self.assertEquals(expected, error)
 308             if len(errors) < len(expected_errors):
 309                 expected_error = expected_errors[len(errors)]
 310                 self.assertEquals(expected_error, None)
 311             elif len(errors) > len(expected_errors):
 312                 unexpected_error = errors[len(expected_errors)]
 313                 self.assertEquals(None, unexpected_error)
 314         else:
 315             if not self.cython_only:
 316                 self.run_distutils(module, workdir, incdir)
 317
 318 class CythonRunTestCase(CythonCompileTestCase):
 319     def shortDescription(self):
 320         return "compiling (%s) and running %s" % (self.language, self.module)
 321
 322     def run(self, result=None):
 323         if result is None:
 324             result = self.defaultTestResult()
 325         result.startTest(self)
 326         try:
 327             self.setUp()
 328             self.runCompileTest()
 329             if not self.cython_only:
 330                 doctest.DocTestSuite(self.module).run(result)
 331         except Exception:
 332             result.addError(self, sys.exc_info())
 333             result.stopTest(self)
 334         try:
 335             self.tearDown()
 336         except Exception:
 337             pass
 338
 339 class CythonUnitTestCase(CythonCompileTestCase):
 340     def shortDescription(self):
 341         return "compiling (%s) tests in %s" % (self.language, self.module)
 342
 343     def run(self, result=None):
 344         if result is None:
 345             result = self.defaultTestResult()
 346         result.startTest(self)
 347         try:
 348             self.setUp()
 349             self.runCompileTest()
 350             unittest.defaultTestLoader.loadTestsFromName(self.module).run(result)
 351         except Exception:
 352             result.addError(self, sys.exc_info())
 353             result.stopTest(self)
 354         try:
 355             self.tearDown()
 356         except Exception:
 357             pass
 358
 359 def collect_unittests(path, module_prefix, suite, selectors):
 360     def file_matches(filename):
 361         return filename.startswith("Test") and filename.endswith(".py")
 362
 363     def package_matches(dirname):
 364         return dirname == "Tests"
 365
 366     loader = unittest.TestLoader()
 367
 368     skipped_dirs = []
 369
 370     for dirpath, dirnames, filenames in os.walk(path):
 371         if dirpath != path and "__init__.py" not in filenames:
 372             skipped_dirs.append(dirpath + os.path.sep)
 373             continue
 374         skip = False
 375         for dir in skipped_dirs:
 376             if dirpath.startswith(dir):
 377                 skip = True
 378         if skip:
 379             continue
 380         parentname = os.path.split(dirpath)[-1]
 381         if package_matches(parentname):
 382             for f in filenames:
 383                 if file_matches(f):
 384                     filepath = os.path.join(dirpath, f)[:-len(".py")]
 385                     modulename = module_prefix + filepath[len(path)+1:].replace(os.path.sep, '.')
 386                     if not [ 1 for match in selectors if match(modulename) ]:
 387                         continue
 388                     module = __import__(modulename)
 389                     for x in modulename.split('.')[1:]:
 390                         module = getattr(module, x)
 391                     suite.addTests([loader.loadTestsFromModule(module)])
 392
 393 def collect_doctests(path, module_prefix, suite, selectors):
 394     def package_matches(dirname):
 395         return dirname not in ("Mac", "Distutils", "Plex")
 396     def file_matches(filename):
 397         return (filename.endswith(".py") and not ('~' in filename
 398                 or '#' in filename or filename.startswith('.')))
 399     import doctest, types
 400     for dirpath, dirnames, filenames in os.walk(path):
 401         parentname = os.path.split(dirpath)[-1]
 402         if package_matches(parentname):
 403             for f in filenames:
 404                 if file_matches(f):
 405                     if not f.endswith('.py'): continue
 406                     filepath = os.path.join(dirpath, f)[:-len(".py")]
 407                     modulename = module_prefix + filepath[len(path)+1:].replace(os.path.sep, '.')
 408                     if not [ 1 for match in selectors if match(modulename) ]:
 409                         continue
 410                     module = __import__(modulename)
 411                     for x in modulename.split('.')[1:]:
 412                         module = getattr(module, x)
 413                     if hasattr(module, "__doc__") or hasattr(module, "__test__"):
 414                         try:
 415                             suite.addTest(doctest.DocTestSuite(module))
 416                         except ValueError: # no tests
 417                             pass
 418
 419 class MissingDependencyExcluder:
 420     def __init__(self, deps):
 421         # deps: { module name : matcher func }
 422         self.exclude_matchers = []
 423         for mod, matcher in deps.items():
 424             try:
 425                 __import__(mod)
 426             except ImportError:
 427                 self.exclude_matchers.append(matcher)
 428         self.tests_missing_deps = []
 429     def __call__(self, testname):
 430         for matcher in self.exclude_matchers:
 431             if matcher(testname):
 432                 self.tests_missing_deps.append(testname)
 433                 return True
 434         return False
 435
 436 class VersionDependencyExcluder:
 437     def __init__(self, deps):
 438         # deps: { version : matcher func }
 439         from sys import version_info
 440         self.exclude_matchers = []
 441         for ver, matcher in deps.items():
 442             if version_info < ver:
 443                 self.exclude_matchers.append(matcher)
 444         self.tests_missing_deps = []
 445     def __call__(self, testname):
 446         for matcher in self.exclude_matchers:
 447             if matcher(testname):
 448                 self.tests_missing_deps.append(testname)
 449                 return True
 450         return False
 451
 452 if __name__ == '__main__':
 453     from optparse import OptionParser
 454     parser = OptionParser()
 455     parser.add_option("--no-cleanup", dest="cleanup_workdir",
 456                       action="store_false", default=True,
 457                       help="do not delete the generated C files (allows passing --no-cython on next run)")
 458     parser.add_option("--no-cleanup-sharedlibs", dest="cleanup_sharedlibs",
 459                       action="store_false", default=True,
 460                       help="do not delete the generated shared libary files (allows manual module experimentation)")
 461     parser.add_option("--no-cython", dest="with_cython",
 462                       action="store_false", default=True,
 463                       help="do not run the Cython compiler, only the C compiler")
 464     parser.add_option("--no-c", dest="use_c",
 465                       action="store_false", default=True,
 466                       help="do not test C compilation")
 467     parser.add_option("--no-cpp", dest="use_cpp",
 468                       action="store_false", default=True,
 469                       help="do not test C++ compilation")
 470     parser.add_option("--no-unit", dest="unittests",
 471                       action="store_false", default=True,
 472                       help="do not run the unit tests")
 473     parser.add_option("--no-doctest", dest="doctests",
 474                       action="store_false", default=True,
 475                       help="do not run the doctests")
 476     parser.add_option("--no-file", dest="filetests",
 477                       action="store_false", default=True,
 478                       help="do not run the file based tests")
 479     parser.add_option("--no-pyregr", dest="pyregr",
 480                       action="store_false", default=True,
 481                       help="do not run the regression tests of CPython in tests/pyregr/")
 482     parser.add_option("--cython-only", dest="cython_only",
 483                       action="store_true", default=False,
 484                       help="only compile pyx to c, do not run C compiler or run the tests")
 485     parser.add_option("--no-refnanny", dest="with_refnanny",
 486                       action="store_false", default=True,
 487                       help="do not regression test reference counting")
 488     parser.add_option("--sys-pyregr", dest="system_pyregr",
 489                       action="store_true", default=False,
 490                       help="run the regression tests of the CPython installation")
 491     parser.add_option("-x", "--exclude", dest="exclude",
 492                       action="append", metavar="PATTERN",
 493                       help="exclude tests matching the PATTERN")
 494     parser.add_option("-C", "--coverage", dest="coverage",
 495                       action="store_true", default=False,
 496                       help="collect source coverage data for the Compiler")
 497     parser.add_option("-A", "--annotate", dest="annotate_source",
 498                       action="store_true", default=True,
 499                       help="generate annotated HTML versions of the test source files")
 500     parser.add_option("--no-annotate", dest="annotate_source",
 501                       action="store_false",
 502                       help="do not generate annotated HTML versions of the test source files")
 503     parser.add_option("-v", "--verbose", dest="verbosity",
 504                       action="count", default=0,
 505                       help="display test progress, pass twice to print test names")
 506     parser.add_option("-T", "--ticket", dest="tickets",
 507                       action="append",
 508                       help="a bug ticket number to run the respective test in 'tests/bugs'")
 509
 510     options, cmd_args = parser.parse_args()
 511
 512     if sys.version_info[0] >= 3:
 513         # make sure we do not import (or run) Cython itself
 514         options.doctests    = False
 515         options.with_cython = False
 516         options.unittests   = False
 517         options.pyregr      = False
 518
 519     if options.coverage:
 520         import coverage
 521         coverage.erase()
 522         coverage.start()
 523
 524     WITH_CYTHON = options.with_cython
 525
 526     if WITH_CYTHON:
 527         from Cython.Compiler.Main import \
 528             CompilationOptions, \
 529             default_options as pyrex_default_options, \
 530             compile as cython_compile
 531         from Cython.Compiler import Errors
 532         Errors.LEVEL = 0 # show all warnings
 533
 534     # RUN ALL TESTS!
 535     ROOTDIR = os.path.join(os.getcwd(), os.path.dirname(sys.argv[0]), 'tests')
 536     WORKDIR = os.path.join(os.getcwd(), 'BUILD')
 537     UNITTEST_MODULE = "Cython"
 538     UNITTEST_ROOT = os.path.join(os.getcwd(), UNITTEST_MODULE)
 539     if WITH_CYTHON:
 540         if os.path.exists(WORKDIR):
 541             for path in os.listdir(WORKDIR):
 542                 if path in ("support",): continue
 543                 shutil.rmtree(os.path.join(WORKDIR, path), ignore_errors=True)
 544     if not os.path.exists(WORKDIR):
 545         os.makedirs(WORKDIR)
 546
 547     if WITH_CYTHON:
 548         from Cython.Compiler.Version import version
 549         sys.stderr.write("Running tests against Cython %s\n" % version)
 550     else:
 551         sys.stderr.write("Running tests without Cython.\n")
 552     sys.stderr.write("Python %s\n" % sys.version)
 553     sys.stderr.write("\n")
 554
 555     if options.with_refnanny:
 556         from pyximport.pyxbuild import pyx_to_dll
 557         libpath = pyx_to_dll(os.path.join("Cython", "Runtime", "refnanny.pyx"),
 558                              build_in_temp=True,
 559                              pyxbuild_dir=os.path.join(WORKDIR, "support"))
 560         sys.path.insert(0, os.path.split(libpath)[0])
 561         CFLAGS.append("-DCYTHON_REFNANNY")
 562
 563     test_bugs = False
 564     if options.tickets:
 565         for ticket_number in options.tickets:
 566             test_bugs = True
 567             cmd_args.append('bugs.*T%s$' % ticket_number)
 568     if not test_bugs:
 569         for selector in cmd_args:
 570             if selector.startswith('bugs'):
 571                 test_bugs = True
 572
 573     import re
 574     selectors = [ re.compile(r, re.I|re.U).search for r in cmd_args ]
 575     if not selectors:
 576         selectors = [ lambda x:True ]
 577
 578     # Chech which external modules are not present and exclude tests
 579     # which depends on them (by prefix)
 580
 581     missing_dep_excluder = MissingDependencyExcluder(EXT_DEP_MODULES)
 582     version_dep_excluder = VersionDependencyExcluder(VER_DEP_MODULES)
 583     exclude_selectors = [missing_dep_excluder, version_dep_excluder] # want to pring msg at exit
 584
 585     if options.exclude:
 586         exclude_selectors += [ re.compile(r, re.I|re.U).search for r in options.exclude ]
 587
 588     languages = []
 589     if options.use_c:
 590         languages.append('c')
 591     if options.use_cpp:
 592         languages.append('cpp')
 593
 594     test_suite = unittest.TestSuite()
 595
 596     if options.unittests:
 597         collect_unittests(UNITTEST_ROOT, UNITTEST_MODULE + ".", test_suite, selectors)
 598
 599     if options.doctests:
 600         collect_doctests(UNITTEST_ROOT, UNITTEST_MODULE + ".", test_suite, selectors)
 601
 602     if options.filetests and languages:
 603         filetests = TestBuilder(ROOTDIR, WORKDIR, selectors, exclude_selectors,
 604                                 options.annotate_source, options.cleanup_workdir,
 605                                 options.cleanup_sharedlibs, options.pyregr,
 606                                 options.cython_only, languages, test_bugs)
 607         test_suite.addTest(filetests.build_suite())
 608
 609     if options.system_pyregr and languages:
 610         filetests = TestBuilder(ROOTDIR, WORKDIR, selectors, exclude_selectors,
 611                                 options.annotate_source, options.cleanup_workdir,
 612                                 options.cleanup_sharedlibs, True,
 613                                 options.cython_only, languages)
 614         test_suite.addTest(
 615             filetests.handle_directory(
 616                 os.path.join(sys.prefix, 'lib', 'python'+sys.version[:3], 'test'),
 617                 'pyregr'))
 618
 619     unittest.TextTestRunner(verbosity=options.verbosity).run(test_suite)
 620
 621     if options.coverage:
 622         coverage.stop()
 623         ignored_modules = ('Options', 'Version', 'DebugFlags', 'CmdLine')
 624         modules = [ module for name, module in sys.modules.items()
 625                     if module is not None and
 626                     name.startswith('Cython.Compiler.') and
 627                     name[len('Cython.Compiler.'):] not in ignored_modules ]
 628         coverage.report(modules, show_missing=0)
 629
 630     if missing_dep_excluder.tests_missing_deps:
 631         sys.stderr.write("Following tests excluded because of missing dependencies on your system:\n")
 632         for test in missing_dep_excluder.tests_missing_deps:
 633             sys.stderr.write("   %s\n" % test)
 634
 635     if options.with_refnanny:
 636         import refnanny
 637         sys.stderr.write("\n".join([repr(x) for x in refnanny.reflog]))