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📁 ..
📄 Sine-1000Hz-300ms.aif(60.25 KB)
📄 __init__.py(47 B)
📄 __main__.py(41 B)
📁 __pycache__
📄 _test_multiprocessing.py(183.09 KB)
📄 allsans.pem(9.87 KB)
📄 ann_module.py(1.08 KB)
📄 ann_module2.py(519 B)
📄 ann_module3.py(448 B)
📁 audiodata
📄 audiotest.au(27.48 KB)
📄 audiotests.py(12.46 KB)
📄 audit-tests.py(8.9 KB)
📄 autotest.py(209 B)
📄 bad_coding.py(24 B)
📄 bad_coding2.py(30 B)
📄 bad_getattr.py(61 B)
📄 bad_getattr2.py(77 B)
📄 bad_getattr3.py(139 B)
📄 badcert.pem(1.88 KB)
📄 badkey.pem(2.11 KB)
📄 badsyntax_3131.py(32 B)
📄 badsyntax_future10.py(95 B)
📄 badsyntax_future3.py(172 B)
📄 badsyntax_future4.py(153 B)
📄 badsyntax_future5.py(184 B)
📄 badsyntax_future6.py(161 B)
📄 badsyntax_future7.py(196 B)
📄 badsyntax_future8.py(122 B)
📄 badsyntax_future9.py(142 B)
📄 badsyntax_pep3120.py(14 B)
📄 bisect_cmd.py(4.85 KB)
📄 bytecode_helper.py(1.56 KB)
📁 capath
📄 cfgparser.1(67 B)
📄 cfgparser.2(19.02 KB)
📄 cfgparser.3(1.55 KB)
📁 cjkencodings
📄 clinic.test(94.65 KB)
📄 cmath_testcases.txt(141.05 KB)
📄 coding20731.py(22 B)
📄 curses_tests.py(1.22 KB)
📁 data
📄 dataclass_module_1.py(837 B)
📄 dataclass_module_1_str.py(835 B)
📄 dataclass_module_2.py(756 B)
📄 dataclass_module_2_str.py(754 B)
📄 dataclass_textanno.py(126 B)
📄 datetimetester.py(239.84 KB)
📁 decimaltestdata
📄 dis_module.py(76 B)
📄 doctest_aliases.py(240 B)
📄 double_const.py(1.18 KB)
📁 dtracedata
📁 eintrdata
📄 empty.vbs(70 B)
📁 encoded_modules
📄 exception_hierarchy.txt(1.78 KB)
📄 ffdh3072.pem(2.16 KB)
📄 final_a.py(411 B)
📄 final_b.py(411 B)
📄 floating_points.txt(15.92 KB)
📄 fork_wait.py(2.53 KB)
📄 formatfloat_testcases.txt(7.45 KB)
📄 future_test1.py(229 B)
📄 future_test2.py(149 B)
📄 gdb_sample.py(153 B)
📄 good_getattr.py(198 B)
📄 idnsans.pem(9.71 KB)
📄 ieee754.txt(3.21 KB)
📁 imghdrdata
📄 imp_dummy.py(63 B)
📄 inspect_fodder.py(1.88 KB)
📄 inspect_fodder2.py(2.06 KB)
📄 keycert.passwd.pem(4.13 KB)
📄 keycert.pem(3.96 KB)
📄 keycert2.pem(3.98 KB)
📄 keycert3.pem(9.23 KB)
📄 keycert4.pem(9.24 KB)
📄 keycertecc.pem(5.5 KB)
📁 libregrtest
📄 list_tests.py(16.54 KB)
📄 lock_tests.py(28.26 KB)
📄 mailcap.txt(1.24 KB)
📄 make_ssl_certs.py(9.25 KB)
📄 mapping_tests.py(21.75 KB)
📄 math_testcases.txt(23.19 KB)
📄 memory_watchdog.py(859 B)
📄 mime.types(47.37 KB)
📄 mock_socket.py(3.53 KB)
📄 mod_generics_cache.py(1.13 KB)
📄 mp_fork_bomb.py(448 B)
📄 mp_preload.py(351 B)
📄 multibytecodec_support.py(14.17 KB)
📄 nokia.pem(1.88 KB)
📄 nosan.pem(7.54 KB)
📄 nullbytecert.pem(5.31 KB)
📄 nullcert.pem(0 B)
📄 outstanding_bugs.py(370 B)
📄 pickletester.py(135.99 KB)
📄 profilee.py(2.97 KB)
📄 pstats.pck(65.05 KB)
📄 pycacert.pem(5.53 KB)
📄 pycakey.pem(2.43 KB)
📄 pyclbr_input.py(648 B)
📄 pydoc_mod.py(713 B)
📄 pydocfodder.py(6.18 KB)
📄 pythoninfo.py(20.34 KB)
📄 randv2_32.pck(7.34 KB)
📄 randv2_64.pck(7.19 KB)
📄 randv3.pck(7.82 KB)
📄 re_tests.py(25.93 KB)
📄 recursion.tar(516 B)
📄 regrtest.py(1.34 KB)
📄 relimport.py(27 B)
📄 reperf.py(538 B)
📄 revocation.crl(800 B)
📄 sample_doctest.py(1.02 KB)
📄 sample_doctest_no_docstrings.py(227 B)
📄 sample_doctest_no_doctests.py(269 B)
📄 secp384r1.pem(256 B)
📄 selfsigned_pythontestdotnet.pem(2.08 KB)
📄 seq_tests.py(14.18 KB)
📄 sgml_input.html(8.1 KB)
📄 signalinterproctester.py(2.7 KB)
📁 sndhdrdata
📄 sortperf.py(4.69 KB)
📄 ssl_cert.pem(1.53 KB)
📄 ssl_key.passwd.pem(2.59 KB)
📄 ssl_key.pem(2.43 KB)
📄 ssl_servers.py(7.04 KB)
📄 ssltests.py(1.03 KB)
📄 string_tests.py(64.65 KB)
📁 subprocessdata
📁 support
📄 talos-2019-0758.pem(1.3 KB)
📄 test___all__.py(4.12 KB)
📄 test___future__.py(2.36 KB)
📄 test__locale.py(7.83 KB)
📄 test__opcode.py(3.03 KB)
📄 test__osx_support.py(13.66 KB)
📄 test__xxsubinterpreters.py(68.7 KB)
📄 test_abc.py(18 KB)
📄 test_abstract_numbers.py(1.49 KB)
📄 test_aifc.py(17.68 KB)
📄 test_argparse.py(172.67 KB)
📄 test_array.py(52.57 KB)
📄 test_asdl_parser.py(4.15 KB)
📄 test_ast.py(88.53 KB)
📄 test_asyncgen.py(31.44 KB)
📄 test_asynchat.py(9.28 KB)
📁 test_asyncio
📄 test_asyncore.py(25.81 KB)
📄 test_atexit.py(5.81 KB)
📄 test_audioop.py(28.24 KB)
📄 test_audit.py(4.05 KB)
📄 test_augassign.py(7.68 KB)
📄 test_base64.py(30.17 KB)
📄 test_baseexception.py(6.86 KB)
📄 test_bdb.py(41.55 KB)
📄 test_bigaddrspace.py(2.92 KB)
📄 test_bigmem.py(44.88 KB)
📄 test_binascii.py(18 KB)
📄 test_binhex.py(1.79 KB)
📄 test_binop.py(14.14 KB)
📄 test_bisect.py(13.63 KB)
📄 test_bool.py(12.48 KB)
📄 test_buffer.py(160.04 KB)
📄 test_bufio.py(2.54 KB)
📄 test_builtin.py(78.38 KB)
📄 test_bytes.py(72.23 KB)
📄 test_bz2.py(36.76 KB)
📄 test_c_locale_coercion.py(18.82 KB)
📄 test_calendar.py(48.71 KB)
📄 test_call.py(20.88 KB)
📄 test_capi.py(30.46 KB)
📄 test_cgi.py(22.15 KB)
📄 test_cgitb.py(2.5 KB)
📄 test_charmapcodec.py(1.68 KB)
📄 test_class.py(17.42 KB)
📄 test_clinic.py(21.71 KB)
📄 test_cmath.py(24.07 KB)
📄 test_cmd.py(6.1 KB)
📄 test_cmd_line.py(33.72 KB)
📄 test_cmd_line_script.py(31.46 KB)
📄 test_code.py(13.66 KB)
📄 test_code_module.py(5.51 KB)
📄 test_codeccallbacks.py(40.97 KB)
📄 test_codecencodings_cn.py(3.86 KB)
📄 test_codecencodings_hk.py(701 B)
📄 test_codecencodings_iso2022.py(1.36 KB)
📄 test_codecencodings_jp.py(4.79 KB)
📄 test_codecencodings_kr.py(2.96 KB)
📄 test_codecencodings_tw.py(681 B)
📄 test_codecmaps_cn.py(746 B)
📄 test_codecmaps_hk.py(386 B)
📄 test_codecmaps_jp.py(1.7 KB)
📄 test_codecmaps_kr.py(1.16 KB)
📄 test_codecmaps_tw.py(705 B)
📄 test_codecs.py(129.38 KB)
📄 test_codeop.py(7.97 KB)
📄 test_collections.py(83.93 KB)
📄 test_colorsys.py(3.83 KB)
📄 test_compare.py(3.82 KB)
📄 test_compile.py(36.48 KB)
📄 test_compileall.py(26.7 KB)
📄 test_complex.py(30.24 KB)
📄 test_concurrent_futures.py(44.93 KB)
📄 test_configparser.py(84.93 KB)
📄 test_contains.py(3.49 KB)
📄 test_context.py(29.33 KB)
📄 test_contextlib.py(32.54 KB)
📄 test_contextlib_async.py(14.82 KB)
📄 test_copy.py(25.81 KB)
📄 test_copyreg.py(4.39 KB)
📄 test_coroutines.py(62.52 KB)
📄 test_cprofile.py(6.33 KB)
📄 test_crashers.py(1.17 KB)
📄 test_crypt.py(3.97 KB)
📄 test_csv.py(47.77 KB)
📄 test_ctypes.py(184 B)
📄 test_curses.py(45.47 KB)
📄 test_dataclasses.py(108.8 KB)
📄 test_datetime.py(2.15 KB)
📄 test_dbm.py(6.45 KB)
📄 test_dbm_dumb.py(10.61 KB)
📄 test_dbm_gnu.py(6.22 KB)
📄 test_dbm_ndbm.py(5.05 KB)
📄 test_decimal.py(206.63 KB)
📄 test_decorators.py(9.48 KB)
📄 test_defaultdict.py(5.88 KB)
📄 test_deque.py(34.46 KB)
📄 test_descr.py(190.58 KB)
📄 test_descrtut.py(11.53 KB)
📄 test_devpoll.py(4.5 KB)
📄 test_dict.py(45 KB)
📄 test_dict_version.py(5.88 KB)
📄 test_dictcomps.py(4.42 KB)
📄 test_dictviews.py(11.68 KB)
📄 test_difflib.py(19.64 KB)
📄 test_difflib_expect.html(100.85 KB)
📄 test_dis.py(48.4 KB)
📄 test_distutils.py(375 B)
📄 test_doctest.py(98.67 KB)
📄 test_doctest.txt(300 B)
📄 test_doctest2.py(2.3 KB)
📄 test_doctest2.txt(392 B)
📄 test_doctest3.txt(82 B)
📄 test_doctest4.txt(244 B)
📄 test_docxmlrpc.py(8.67 KB)
📄 test_dtrace.py(5.23 KB)
📄 test_dummy_thread.py(9.69 KB)
📄 test_dummy_threading.py(1.7 KB)
📄 test_dynamic.py(4.29 KB)
📄 test_dynamicclassattribute.py(9.57 KB)
📄 test_eintr.py(1.32 KB)
📁 test_email
📄 test_embed.py(49.23 KB)
📄 test_ensurepip.py(9.83 KB)
📄 test_enum.py(113.68 KB)
📄 test_enumerate.py(8.46 KB)
📄 test_eof.py(1.94 KB)
📄 test_epoll.py(9.03 KB)
📄 test_errno.py(1.04 KB)
📄 test_exception_hierarchy.py(7.43 KB)
📄 test_exception_variations.py(3.86 KB)
📄 test_exceptions.py(49.81 KB)
📄 test_extcall.py(13.49 KB)
📄 test_faulthandler.py(28.13 KB)
📄 test_fcntl.py(6.21 KB)
📄 test_file.py(11.02 KB)
📄 test_file_eintr.py(10.6 KB)
📄 test_filecmp.py(8.69 KB)
📄 test_fileinput.py(37.33 KB)
📄 test_fileio.py(19.96 KB)
📄 test_finalization.py(14.66 KB)
📄 test_float.py(63.41 KB)
📄 test_flufl.py(1.32 KB)
📄 test_fnmatch.py(5.07 KB)
📄 test_fork1.py(3.67 KB)
📄 test_format.py(22.58 KB)
📄 test_fractions.py(29.83 KB)
📄 test_frame.py(5.67 KB)
📄 test_frozen.py(943 B)
📄 test_fstring.py(46.16 KB)
📄 test_ftplib.py(39.71 KB)
📄 test_funcattrs.py(13.54 KB)
📄 test_functools.py(90.59 KB)
📄 test_future.py(11.9 KB)
📄 test_future3.py(490 B)
📄 test_future4.py(222 B)
📄 test_future5.py(510 B)
📄 test_gc.py(40.49 KB)
📄 test_gdb.py(40.88 KB)
📄 test_generator_stop.py(943 B)
📄 test_generators.py(58.51 KB)
📄 test_genericclass.py(9.28 KB)
📄 test_genericpath.py(21.7 KB)
📄 test_genexps.py(7.12 KB)
📄 test_getargs2.py(50 KB)
📄 test_getopt.py(6.75 KB)
📄 test_getpass.py(6.29 KB)
📄 test_gettext.py(41.38 KB)
📄 test_glob.py(13.03 KB)
📄 test_global.py(1.31 KB)
📄 test_grammar.py(57.5 KB)
📄 test_grp.py(3.54 KB)
📄 test_gzip.py(29.9 KB)
📄 test_hash.py(11.45 KB)
📄 test_hashlib.py(39.43 KB)
📄 test_heapq.py(16.4 KB)
📄 test_hmac.py(22.24 KB)
📄 test_html.py(4.23 KB)
📄 test_htmlparser.py(33.19 KB)
📄 test_http_cookiejar.py(78.36 KB)
📄 test_http_cookies.py(18.71 KB)
📄 test_httplib.py(76.98 KB)
📄 test_httpservers.py(45.24 KB)
📄 test_idle.py(825 B)
📄 test_imaplib.py(38.95 KB)
📄 test_imghdr.py(4.66 KB)
📄 test_imp.py(17.73 KB)
📁 test_import
📁 test_importlib
📄 test_index.py(8.37 KB)
📄 test_inspect.py(151.79 KB)
📄 test_int.py(20.8 KB)
📄 test_int_literal.py(6.89 KB)
📄 test_io.py(163.94 KB)
📄 test_ioctl.py(3.2 KB)
📄 test_ipaddress.py(90.98 KB)
📄 test_isinstance.py(10.25 KB)
📄 test_iter.py(31.81 KB)
📄 test_iterlen.py(7.1 KB)
📄 test_itertools.py(101.41 KB)
📁 test_json
📄 test_keyword.py(1.23 KB)
📄 test_keywordonlyarg.py(6.85 KB)
📄 test_kqueue.py(8.76 KB)
📄 test_largefile.py(6.83 KB)
📄 test_lib2to3.py(101 B)
📄 test_linecache.py(7.79 KB)
📄 test_list.py(7.4 KB)
📄 test_listcomps.py(3.76 KB)
📄 test_lltrace.py(1012 B)
📄 test_locale.py(23.87 KB)
📄 test_logging.py(182.43 KB)
📄 test_long.py(53.21 KB)
📄 test_longexp.py(233 B)
📄 test_lzma.py(87.92 KB)
📄 test_mailbox.py(91.92 KB)
📄 test_mailcap.py(9.88 KB)
📄 test_marshal.py(20.57 KB)
📄 test_math.py(82.18 KB)
📄 test_memoryio.py(31.48 KB)
📄 test_memoryview.py(17.78 KB)
📄 test_metaclass.py(6.2 KB)
📄 test_mimetypes.py(12.14 KB)
📄 test_minidom.py(66.95 KB)
📄 test_mmap.py(29.04 KB)
📄 test_module.py(10.3 KB)
📄 test_modulefinder.py(12.2 KB)
📄 test_msilib.py(5.06 KB)
📄 test_multibytecodec.py(15.04 KB)
📄 test_multiprocessing_fork.py(477 B)
📄 test_multiprocessing_forkserver.py(392 B)
📄 test_multiprocessing_main_handling.py(11.45 KB)
📄 test_multiprocessing_spawn.py(277 B)
📄 test_named_expressions.py(16.51 KB)
📄 test_netrc.py(5.96 KB)
📄 test_nis.py(1.13 KB)
📄 test_nntplib.py(61.7 KB)
📄 test_normalization.py(3.66 KB)
📄 test_ntpath.py(35.08 KB)
📄 test_numeric_tower.py(7.18 KB)
📄 test_opcodes.py(3.61 KB)
📄 test_openpty.py(600 B)
📄 test_operator.py(23.54 KB)
📄 test_optparse.py(60.99 KB)
📄 test_ordered_dict.py(30.22 KB)
📄 test_os.py(150.53 KB)
📄 test_ossaudiodev.py(7.06 KB)
📄 test_osx_env.py(1.3 KB)
📄 test_parser.py(35.72 KB)
📄 test_pathlib.py(97.12 KB)
📄 test_pdb.py(55.36 KB)
📄 test_peepholer.py(19.41 KB)
📄 test_pickle.py(19.16 KB)
📄 test_picklebuffer.py(4.96 KB)
📄 test_pickletools.py(4.33 KB)
📄 test_pipes.py(6.59 KB)
📄 test_pkg.py(9.59 KB)
📄 test_pkgimport.py(2.67 KB)
📄 test_pkgutil.py(19.25 KB)
📄 test_platform.py(14.31 KB)
📄 test_plistlib.py(41.43 KB)
📄 test_poll.py(7.23 KB)
📄 test_popen.py(1.98 KB)
📄 test_poplib.py(16.97 KB)
📄 test_positional_only_arg.py(17.5 KB)
📄 test_posix.py(75.76 KB)
📄 test_posixpath.py(29.19 KB)
📄 test_pow.py(5.44 KB)
📄 test_pprint.py(43.85 KB)
📄 test_print.py(7.37 KB)
📄 test_profile.py(8.72 KB)
📄 test_property.py(8.77 KB)
📄 test_pstats.py(3.04 KB)
📄 test_pty.py(11.97 KB)
📄 test_pulldom.py(12.66 KB)
📄 test_pwd.py(4.17 KB)
📄 test_py_compile.py(10.78 KB)
📄 test_pyclbr.py(10 KB)
📄 test_pydoc.py(56.98 KB)
📄 test_pyexpat.py(26.54 KB)
📄 test_queue.py(20.36 KB)
📄 test_quopri.py(7.78 KB)
📄 test_raise.py(12.86 KB)
📄 test_random.py(45.59 KB)
📄 test_range.py(23.35 KB)
📄 test_re.py(106.41 KB)
📄 test_readline.py(12.95 KB)
📄 test_regrtest.py(46.36 KB)
📄 test_repl.py(3.96 KB)
📄 test_reprlib.py(15.12 KB)
📄 test_resource.py(7.02 KB)
📄 test_richcmp.py(11.91 KB)
📄 test_rlcompleter.py(6.3 KB)
📄 test_robotparser.py(10.69 KB)
📄 test_runpy.py(33.86 KB)
📄 test_sax.py(46.9 KB)
📄 test_sched.py(6.41 KB)
📄 test_scope.py(19.7 KB)
📄 test_script_helper.py(5.78 KB)
📄 test_secrets.py(4.28 KB)
📄 test_select.py(2.69 KB)
📄 test_selectors.py(17.79 KB)
📄 test_set.py(64.41 KB)
📄 test_setcomps.py(3.7 KB)
📄 test_shelve.py(6.24 KB)
📄 test_shlex.py(13.29 KB)
📄 test_shutil.py(101.55 KB)
📄 test_signal.py(46.62 KB)
📄 test_site.py(24.71 KB)
📄 test_slice.py(8.25 KB)
📄 test_smtpd.py(40.14 KB)
📄 test_smtplib.py(56.51 KB)
📄 test_smtpnet.py(2.87 KB)
📄 test_sndhdr.py(1.43 KB)
📄 test_socket.py(232.71 KB)
📄 test_socketserver.py(17.7 KB)
📄 test_sort.py(13.42 KB)
📄 test_source_encoding.py(7.89 KB)
📄 test_spwd.py(2.71 KB)
📄 test_sqlite.py(948 B)
📄 test_ssl.py(203.3 KB)
📄 test_startfile.py(1.29 KB)
📄 test_stat.py(8.3 KB)
📄 test_statistics.py(106.5 KB)
📄 test_strftime.py(7.54 KB)
📄 test_string.py(19.8 KB)
📄 test_string_literals.py(9.88 KB)
📄 test_stringprep.py(3.04 KB)
📄 test_strptime.py(34.42 KB)
📄 test_strtod.py(20.06 KB)
📄 test_struct.py(34.41 KB)
📄 test_structmembers.py(4.7 KB)
📄 test_structseq.py(3.87 KB)
📄 test_subclassinit.py(8.12 KB)
📄 test_subprocess.py(142.64 KB)
📄 test_sunau.py(6.07 KB)
📄 test_sundry.py(2.07 KB)
📄 test_super.py(9.6 KB)
📄 test_support.py(24.12 KB)
📄 test_symbol.py(2.06 KB)
📄 test_symtable.py(9.13 KB)
📄 test_syntax.py(25.75 KB)
📄 test_sys.py(55.24 KB)
📄 test_sys_setprofile.py(12.31 KB)
📄 test_sys_settrace.py(43.08 KB)
📄 test_sysconfig.py(17.01 KB)
📄 test_syslog.py(1.15 KB)
📄 test_tabnanny.py(13.44 KB)
📄 test_tarfile.py(98.31 KB)
📄 test_tcl.py(30.74 KB)
📄 test_telnetlib.py(12.7 KB)
📄 test_tempfile.py(52.57 KB)
📄 test_textwrap.py(38.84 KB)
📄 test_thread.py(8.41 KB)
📄 test_threaded_import.py(8.9 KB)
📄 test_threadedtempfile.py(1.85 KB)
📄 test_threading.py(47.52 KB)
📄 test_threading_local.py(6.09 KB)
📄 test_threadsignals.py(10.09 KB)
📄 test_time.py(38.43 KB)
📄 test_timeit.py(14.8 KB)
📄 test_timeout.py(11.19 KB)
📄 test_tix.py(756 B)
📄 test_tk.py(362 B)
📄 test_tokenize.py(63.18 KB)
📁 test_tools
📄 test_trace.py(19.89 KB)
📄 test_traceback.py(46.97 KB)
📄 test_tracemalloc.py(37.41 KB)
📄 test_ttk_guionly.py(746 B)
📄 test_ttk_textonly.py(299 B)
📄 test_tuple.py(18.85 KB)
📄 test_turtle.py(12.79 KB)
📄 test_type_comments.py(10.13 KB)
📄 test_typechecks.py(2.55 KB)
📄 test_types.py(58 KB)
📄 test_typing.py(122.05 KB)
📄 test_ucn.py(9.35 KB)
📄 test_unary.py(1.63 KB)
📄 test_unicode.py(129.94 KB)
📄 test_unicode_file.py(5.74 KB)
📄 test_unicode_file_functions.py(6.84 KB)
📄 test_unicode_identifiers.py(891 B)
📄 test_unicodedata.py(12.7 KB)
📄 test_unittest.py(286 B)
📄 test_univnewlines.py(3.83 KB)
📄 test_unpack.py(3.01 KB)
📄 test_unpack_ex.py(8.73 KB)
📄 test_urllib.py(71.24 KB)
📄 test_urllib2.py(76.95 KB)
📄 test_urllib2_localnet.py(24.24 KB)
📄 test_urllib2net.py(12.39 KB)
📄 test_urllib_response.py(1.69 KB)
📄 test_urllibnet.py(8.9 KB)
📄 test_urlparse.py(64.87 KB)
📄 test_userdict.py(7.64 KB)
📄 test_userlist.py(1.97 KB)
📄 test_userstring.py(2.4 KB)
📄 test_utf8_mode.py(9.22 KB)
📄 test_utf8source.py(1.15 KB)
📄 test_uu.py(8.02 KB)
📄 test_uuid.py(35.74 KB)
📄 test_venv.py(20.46 KB)
📄 test_wait3.py(1.16 KB)
📄 test_wait4.py(1.15 KB)
📁 test_warnings
📄 test_wave.py(6.57 KB)
📄 test_weakref.py(69.47 KB)
📄 test_weakset.py(15.03 KB)
📄 test_webbrowser.py(10.47 KB)
📄 test_winconsoleio.py(6.14 KB)
📄 test_winreg.py(21.38 KB)
📄 test_winsound.py(4.57 KB)
📄 test_with.py(25.78 KB)
📄 test_wsgiref.py(30.1 KB)
📄 test_xdrlib.py(2.17 KB)
📄 test_xml_dom_minicompat.py(4.18 KB)
📄 test_xml_etree.py(147.87 KB)
📄 test_xml_etree_c.py(8.06 KB)
📄 test_xmlrpc.py(55.96 KB)
📄 test_xmlrpc_net.py(1015 B)
📄 test_xxtestfuzz.py(670 B)
📄 test_yield_from.py(30.01 KB)
📄 test_zipapp.py(15.92 KB)
📄 test_zipfile.py(115.45 KB)
📄 test_zipfile64.py(5.8 KB)
📄 test_zipimport.py(29.28 KB)
📄 test_zipimport_support.py(10.44 KB)
📄 test_zlib.py(34.48 KB)
📄 testcodec.py(1.02 KB)
📄 testtar.tar(425 KB)
📄 tf_inherit_check.py(714 B)
📄 threaded_import_hangers.py(1.45 KB)
📄 time_hashlib.py(2.87 KB)
📄 tokenize_tests-latin1-coding-cookie-and-utf8-bom-sig.txt(443 B)
📄 tokenize_tests-no-coding-cookie-and-utf8-bom-sig-only.txt(302 B)
📄 tokenize_tests-utf8-coding-cookie-and-no-utf8-bom-sig.txt(421 B)
📄 tokenize_tests-utf8-coding-cookie-and-utf8-bom-sig.txt(326 B)
📄 tokenize_tests.txt(2.65 KB)
📁 tracedmodules
📄 win_console_handler.py(1.38 KB)
📁 xmltestdata
📄 xmltests.py(499 B)
📄 zip_cp437_header.zip(270 B)
📄 zipdir.zip(374 B)
📁 ziptestdata

Editing: test_contextlib.py

"""Unit tests for contextlib.py, and other context managers."""

import io
import sys
import tempfile
import threading
import unittest
from contextlib import *  # Tests __all__
from test import support
import weakref

class TestAbstractContextManager(unittest.TestCase):

def test_enter(self):
        class DefaultEnter(AbstractContextManager):
            def __exit__(self, *args):
                super().__exit__(*args)

manager = DefaultEnter()
        self.assertIs(manager.__enter__(), manager)

def test_exit_is_abstract(self):
        class MissingExit(AbstractContextManager):
            pass

with self.assertRaises(TypeError):
            MissingExit()

def test_structural_subclassing(self):
        class ManagerFromScratch:
            def __enter__(self):
                return self
            def __exit__(self, exc_type, exc_value, traceback):
                return None

self.assertTrue(issubclass(ManagerFromScratch, AbstractContextManager))

class DefaultEnter(AbstractContextManager):
            def __exit__(self, *args):
                super().__exit__(*args)

self.assertTrue(issubclass(DefaultEnter, AbstractContextManager))

class NoEnter(ManagerFromScratch):
            __enter__ = None

self.assertFalse(issubclass(NoEnter, AbstractContextManager))

class NoExit(ManagerFromScratch):
            __exit__ = None

self.assertFalse(issubclass(NoExit, AbstractContextManager))

class ContextManagerTestCase(unittest.TestCase):

def test_contextmanager_plain(self):
        state = []
        @contextmanager
        def woohoo():
            state.append(1)
            yield 42
            state.append(999)
        with woohoo() as x:
            self.assertEqual(state, [1])
            self.assertEqual(x, 42)
            state.append(x)
        self.assertEqual(state, [1, 42, 999])

def test_contextmanager_finally(self):
        state = []
        @contextmanager
        def woohoo():
            state.append(1)
            try:
                yield 42
            finally:
                state.append(999)
        with self.assertRaises(ZeroDivisionError):
            with woohoo() as x:
                self.assertEqual(state, [1])
                self.assertEqual(x, 42)
                state.append(x)
                raise ZeroDivisionError()
        self.assertEqual(state, [1, 42, 999])

def test_contextmanager_no_reraise(self):
        @contextmanager
        def whee():
            yield
        ctx = whee()
        ctx.__enter__()
        # Calling __exit__ should not result in an exception
        self.assertFalse(ctx.__exit__(TypeError, TypeError("foo"), None))

def test_contextmanager_trap_yield_after_throw(self):
        @contextmanager
        def whoo():
            try:
                yield
            except:
                yield
        ctx = whoo()
        ctx.__enter__()
        self.assertRaises(
            RuntimeError, ctx.__exit__, TypeError, TypeError("foo"), None
        )

def test_contextmanager_except(self):
        state = []
        @contextmanager
        def woohoo():
            state.append(1)
            try:
                yield 42
            except ZeroDivisionError as e:
                state.append(e.args[0])
                self.assertEqual(state, [1, 42, 999])
        with woohoo() as x:
            self.assertEqual(state, [1])
            self.assertEqual(x, 42)
            state.append(x)
            raise ZeroDivisionError(999)
        self.assertEqual(state, [1, 42, 999])

def test_contextmanager_except_stopiter(self):
        stop_exc = StopIteration('spam')
        @contextmanager
        def woohoo():
            yield
        try:
            with self.assertWarnsRegex(DeprecationWarning,
                                       "StopIteration"):
                with woohoo():
                    raise stop_exc
        except Exception as ex:
            self.assertIs(ex, stop_exc)
        else:
            self.fail('StopIteration was suppressed')

def test_contextmanager_except_pep479(self):
        code = """\
from __future__ import generator_stop
from contextlib import contextmanager
@contextmanager
def woohoo():
    yield
"""
        locals = {}
        exec(code, locals, locals)
        woohoo = locals['woohoo']

stop_exc = StopIteration('spam')
        try:
            with woohoo():
                raise stop_exc
        except Exception as ex:
            self.assertIs(ex, stop_exc)
        else:
            self.fail('StopIteration was suppressed')

def test_contextmanager_do_not_unchain_non_stopiteration_exceptions(self):
        @contextmanager
        def test_issue29692():
            try:
                yield
            except Exception as exc:
                raise RuntimeError('issue29692:Chained') from exc
        try:
            with test_issue29692():
                raise ZeroDivisionError
        except Exception as ex:
            self.assertIs(type(ex), RuntimeError)
            self.assertEqual(ex.args[0], 'issue29692:Chained')
            self.assertIsInstance(ex.__cause__, ZeroDivisionError)

try:
            with test_issue29692():
                raise StopIteration('issue29692:Unchained')
        except Exception as ex:
            self.assertIs(type(ex), StopIteration)
            self.assertEqual(ex.args[0], 'issue29692:Unchained')
            self.assertIsNone(ex.__cause__)

def _create_contextmanager_attribs(self):
        def attribs(**kw):
            def decorate(func):
                for k,v in kw.items():
                    setattr(func,k,v)
                return func
            return decorate
        @contextmanager
        @attribs(foo='bar')
        def baz(spam):
            """Whee!"""
        return baz

def test_contextmanager_attribs(self):
        baz = self._create_contextmanager_attribs()
        self.assertEqual(baz.__name__,'baz')
        self.assertEqual(baz.foo, 'bar')

@support.requires_docstrings
    def test_contextmanager_doc_attrib(self):
        baz = self._create_contextmanager_attribs()
        self.assertEqual(baz.__doc__, "Whee!")

@support.requires_docstrings
    def test_instance_docstring_given_cm_docstring(self):
        baz = self._create_contextmanager_attribs()(None)
        self.assertEqual(baz.__doc__, "Whee!")

def test_keywords(self):
        # Ensure no keyword arguments are inhibited
        @contextmanager
        def woohoo(self, func, args, kwds):
            yield (self, func, args, kwds)
        with woohoo(self=11, func=22, args=33, kwds=44) as target:
            self.assertEqual(target, (11, 22, 33, 44))

def test_nokeepref(self):
        class A:
            pass

@contextmanager
        def woohoo(a, b):
            a = weakref.ref(a)
            b = weakref.ref(b)
            self.assertIsNone(a())
            self.assertIsNone(b())
            yield

with woohoo(A(), b=A()):
            pass

def test_param_errors(self):
        @contextmanager
        def woohoo(a, *, b):
            yield

with self.assertRaises(TypeError):
            woohoo()
        with self.assertRaises(TypeError):
            woohoo(3, 5)
        with self.assertRaises(TypeError):
            woohoo(b=3)

def test_recursive(self):
        depth = 0
        @contextmanager
        def woohoo():
            nonlocal depth
            before = depth
            depth += 1
            yield
            depth -= 1
            self.assertEqual(depth, before)

@woohoo()
        def recursive():
            if depth < 10:
                recursive()

recursive()
        self.assertEqual(depth, 0)

class ClosingTestCase(unittest.TestCase):

@support.requires_docstrings
    def test_instance_docs(self):
        # Issue 19330: ensure context manager instances have good docstrings
        cm_docstring = closing.__doc__
        obj = closing(None)
        self.assertEqual(obj.__doc__, cm_docstring)

def test_closing(self):
        state = []
        class C:
            def close(self):
                state.append(1)
        x = C()
        self.assertEqual(state, [])
        with closing(x) as y:
            self.assertEqual(x, y)
        self.assertEqual(state, [1])

def test_closing_error(self):
        state = []
        class C:
            def close(self):
                state.append(1)
        x = C()
        self.assertEqual(state, [])
        with self.assertRaises(ZeroDivisionError):
            with closing(x) as y:
                self.assertEqual(x, y)
                1 / 0
        self.assertEqual(state, [1])

class NullcontextTestCase(unittest.TestCase):
    def test_nullcontext(self):
        class C:
            pass
        c = C()
        with nullcontext(c) as c_in:
            self.assertIs(c_in, c)

class FileContextTestCase(unittest.TestCase):

def testWithOpen(self):
        tfn = tempfile.mktemp()
        try:
            f = None
            with open(tfn, "w") as f:
                self.assertFalse(f.closed)
                f.write("Booh\n")
            self.assertTrue(f.closed)
            f = None
            with self.assertRaises(ZeroDivisionError):
                with open(tfn, "r") as f:
                    self.assertFalse(f.closed)
                    self.assertEqual(f.read(), "Booh\n")
                    1 / 0
            self.assertTrue(f.closed)
        finally:
            support.unlink(tfn)

class LockContextTestCase(unittest.TestCase):

def boilerPlate(self, lock, locked):
        self.assertFalse(locked())
        with lock:
            self.assertTrue(locked())
        self.assertFalse(locked())
        with self.assertRaises(ZeroDivisionError):
            with lock:
                self.assertTrue(locked())
                1 / 0
        self.assertFalse(locked())

def testWithLock(self):
        lock = threading.Lock()
        self.boilerPlate(lock, lock.locked)

def testWithRLock(self):
        lock = threading.RLock()
        self.boilerPlate(lock, lock._is_owned)

def testWithCondition(self):
        lock = threading.Condition()
        def locked():
            return lock._is_owned()
        self.boilerPlate(lock, locked)

def testWithSemaphore(self):
        lock = threading.Semaphore()
        def locked():
            if lock.acquire(False):
                lock.release()
                return False
            else:
                return True
        self.boilerPlate(lock, locked)

def testWithBoundedSemaphore(self):
        lock = threading.BoundedSemaphore()
        def locked():
            if lock.acquire(False):
                lock.release()
                return False
            else:
                return True
        self.boilerPlate(lock, locked)

class mycontext(ContextDecorator):
    """Example decoration-compatible context manager for testing"""
    started = False
    exc = None
    catch = False

def __enter__(self):
        self.started = True
        return self

def __exit__(self, *exc):
        self.exc = exc
        return self.catch

class TestContextDecorator(unittest.TestCase):

@support.requires_docstrings
    def test_instance_docs(self):
        # Issue 19330: ensure context manager instances have good docstrings
        cm_docstring = mycontext.__doc__
        obj = mycontext()
        self.assertEqual(obj.__doc__, cm_docstring)

def test_contextdecorator(self):
        context = mycontext()
        with context as result:
            self.assertIs(result, context)
            self.assertTrue(context.started)

self.assertEqual(context.exc, (None, None, None))

def test_contextdecorator_with_exception(self):
        context = mycontext()

with self.assertRaisesRegex(NameError, 'foo'):
            with context:
                raise NameError('foo')
        self.assertIsNotNone(context.exc)
        self.assertIs(context.exc[0], NameError)

context = mycontext()
        context.catch = True
        with context:
            raise NameError('foo')
        self.assertIsNotNone(context.exc)
        self.assertIs(context.exc[0], NameError)

def test_decorator(self):
        context = mycontext()

@context
        def test():
            self.assertIsNone(context.exc)
            self.assertTrue(context.started)
        test()
        self.assertEqual(context.exc, (None, None, None))

def test_decorator_with_exception(self):
        context = mycontext()

@context
        def test():
            self.assertIsNone(context.exc)
            self.assertTrue(context.started)
            raise NameError('foo')

with self.assertRaisesRegex(NameError, 'foo'):
            test()
        self.assertIsNotNone(context.exc)
        self.assertIs(context.exc[0], NameError)

def test_decorating_method(self):
        context = mycontext()

class Test(object):

@context
            def method(self, a, b, c=None):
                self.a = a
                self.b = b
                self.c = c

# these tests are for argument passing when used as a decorator
        test = Test()
        test.method(1, 2)
        self.assertEqual(test.a, 1)
        self.assertEqual(test.b, 2)
        self.assertEqual(test.c, None)

test = Test()
        test.method('a', 'b', 'c')
        self.assertEqual(test.a, 'a')
        self.assertEqual(test.b, 'b')
        self.assertEqual(test.c, 'c')

test = Test()
        test.method(a=1, b=2)
        self.assertEqual(test.a, 1)
        self.assertEqual(test.b, 2)

def test_typo_enter(self):
        class mycontext(ContextDecorator):
            def __unter__(self):
                pass
            def __exit__(self, *exc):
                pass

with self.assertRaises(AttributeError):
            with mycontext():
                pass

def test_typo_exit(self):
        class mycontext(ContextDecorator):
            def __enter__(self):
                pass
            def __uxit__(self, *exc):
                pass

with self.assertRaises(AttributeError):
            with mycontext():
                pass

def test_contextdecorator_as_mixin(self):
        class somecontext(object):
            started = False
            exc = None

def __enter__(self):
                self.started = True
                return self

def __exit__(self, *exc):
                self.exc = exc

class mycontext(somecontext, ContextDecorator):
            pass

context = mycontext()
        @context
        def test():
            self.assertIsNone(context.exc)
            self.assertTrue(context.started)
        test()
        self.assertEqual(context.exc, (None, None, None))

def test_contextmanager_as_decorator(self):
        @contextmanager
        def woohoo(y):
            state.append(y)
            yield
            state.append(999)

state = []
        @woohoo(1)
        def test(x):
            self.assertEqual(state, [1])
            state.append(x)
        test('something')
        self.assertEqual(state, [1, 'something', 999])

# Issue #11647: Ensure the decorated function is 'reusable'
        state = []
        test('something else')
        self.assertEqual(state, [1, 'something else', 999])

class TestBaseExitStack:
    exit_stack = None

@support.requires_docstrings
    def test_instance_docs(self):
        # Issue 19330: ensure context manager instances have good docstrings
        cm_docstring = self.exit_stack.__doc__
        obj = self.exit_stack()
        self.assertEqual(obj.__doc__, cm_docstring)

def test_no_resources(self):
        with self.exit_stack():
            pass

def test_callback(self):
        expected = [
            ((), {}),
            ((1,), {}),
            ((1,2), {}),
            ((), dict(example=1)),
            ((1,), dict(example=1)),
            ((1,2), dict(example=1)),
            ((1,2), dict(self=3, callback=4)),
        ]
        result = []
        def _exit(*args, **kwds):
            """Test metadata propagation"""
            result.append((args, kwds))
        with self.exit_stack() as stack:
            for args, kwds in reversed(expected):
                if args and kwds:
                    f = stack.callback(_exit, *args, **kwds)
                elif args:
                    f = stack.callback(_exit, *args)
                elif kwds:
                    f = stack.callback(_exit, **kwds)
                else:
                    f = stack.callback(_exit)
                self.assertIs(f, _exit)
            for wrapper in stack._exit_callbacks:
                self.assertIs(wrapper[1].__wrapped__, _exit)
                self.assertNotEqual(wrapper[1].__name__, _exit.__name__)
                self.assertIsNone(wrapper[1].__doc__, _exit.__doc__)
        self.assertEqual(result, expected)

result = []
        with self.exit_stack() as stack:
            with self.assertRaises(TypeError):
                stack.callback(arg=1)
            with self.assertRaises(TypeError):
                self.exit_stack.callback(arg=2)
            with self.assertWarns(DeprecationWarning):
                stack.callback(callback=_exit, arg=3)
        self.assertEqual(result, [((), {'arg': 3})])

def test_push(self):
        exc_raised = ZeroDivisionError
        def _expect_exc(exc_type, exc, exc_tb):
            self.assertIs(exc_type, exc_raised)
        def _suppress_exc(*exc_details):
            return True
        def _expect_ok(exc_type, exc, exc_tb):
            self.assertIsNone(exc_type)
            self.assertIsNone(exc)
            self.assertIsNone(exc_tb)
        class ExitCM(object):
            def __init__(self, check_exc):
                self.check_exc = check_exc
            def __enter__(self):
                self.fail("Should not be called!")
            def __exit__(self, *exc_details):
                self.check_exc(*exc_details)
        with self.exit_stack() as stack:
            stack.push(_expect_ok)
            self.assertIs(stack._exit_callbacks[-1][1], _expect_ok)
            cm = ExitCM(_expect_ok)
            stack.push(cm)
            self.assertIs(stack._exit_callbacks[-1][1].__self__, cm)
            stack.push(_suppress_exc)
            self.assertIs(stack._exit_callbacks[-1][1], _suppress_exc)
            cm = ExitCM(_expect_exc)
            stack.push(cm)
            self.assertIs(stack._exit_callbacks[-1][1].__self__, cm)
            stack.push(_expect_exc)
            self.assertIs(stack._exit_callbacks[-1][1], _expect_exc)
            stack.push(_expect_exc)
            self.assertIs(stack._exit_callbacks[-1][1], _expect_exc)
            1/0

def test_enter_context(self):
        class TestCM(object):
            def __enter__(self):
                result.append(1)
            def __exit__(self, *exc_details):
                result.append(3)

result = []
        cm = TestCM()
        with self.exit_stack() as stack:
            @stack.callback  # Registered first => cleaned up last
            def _exit():
                result.append(4)
            self.assertIsNotNone(_exit)
            stack.enter_context(cm)
            self.assertIs(stack._exit_callbacks[-1][1].__self__, cm)
            result.append(2)
        self.assertEqual(result, [1, 2, 3, 4])

def test_close(self):
        result = []
        with self.exit_stack() as stack:
            @stack.callback
            def _exit():
                result.append(1)
            self.assertIsNotNone(_exit)
            stack.close()
            result.append(2)
        self.assertEqual(result, [1, 2])

def test_pop_all(self):
        result = []
        with self.exit_stack() as stack:
            @stack.callback
            def _exit():
                result.append(3)
            self.assertIsNotNone(_exit)
            new_stack = stack.pop_all()
            result.append(1)
        result.append(2)
        new_stack.close()
        self.assertEqual(result, [1, 2, 3])

def test_exit_raise(self):
        with self.assertRaises(ZeroDivisionError):
            with self.exit_stack() as stack:
                stack.push(lambda *exc: False)
                1/0

def test_exit_suppress(self):
        with self.exit_stack() as stack:
            stack.push(lambda *exc: True)
            1/0

def test_exit_exception_chaining_reference(self):
        # Sanity check to make sure that ExitStack chaining matches
        # actual nested with statements
        class RaiseExc:
            def __init__(self, exc):
                self.exc = exc
            def __enter__(self):
                return self
            def __exit__(self, *exc_details):
                raise self.exc

class RaiseExcWithContext:
            def __init__(self, outer, inner):
                self.outer = outer
                self.inner = inner
            def __enter__(self):
                return self
            def __exit__(self, *exc_details):
                try:
                    raise self.inner
                except:
                    raise self.outer

class SuppressExc:
            def __enter__(self):
                return self
            def __exit__(self, *exc_details):
                type(self).saved_details = exc_details
                return True

try:
            with RaiseExc(IndexError):
                with RaiseExcWithContext(KeyError, AttributeError):
                    with SuppressExc():
                        with RaiseExc(ValueError):
                            1 / 0
        except IndexError as exc:
            self.assertIsInstance(exc.__context__, KeyError)
            self.assertIsInstance(exc.__context__.__context__, AttributeError)
            # Inner exceptions were suppressed
            self.assertIsNone(exc.__context__.__context__.__context__)
        else:
            self.fail("Expected IndexError, but no exception was raised")
        # Check the inner exceptions
        inner_exc = SuppressExc.saved_details[1]
        self.assertIsInstance(inner_exc, ValueError)
        self.assertIsInstance(inner_exc.__context__, ZeroDivisionError)

def test_exit_exception_chaining(self):
        # Ensure exception chaining matches the reference behaviour
        def raise_exc(exc):
            raise exc

saved_details = None
        def suppress_exc(*exc_details):
            nonlocal saved_details
            saved_details = exc_details
            return True

try:
            with self.exit_stack() as stack:
                stack.callback(raise_exc, IndexError)
                stack.callback(raise_exc, KeyError)
                stack.callback(raise_exc, AttributeError)
                stack.push(suppress_exc)
                stack.callback(raise_exc, ValueError)
                1 / 0
        except IndexError as exc:
            self.assertIsInstance(exc.__context__, KeyError)
            self.assertIsInstance(exc.__context__.__context__, AttributeError)
            # Inner exceptions were suppressed
            self.assertIsNone(exc.__context__.__context__.__context__)
        else:
            self.fail("Expected IndexError, but no exception was raised")
        # Check the inner exceptions
        inner_exc = saved_details[1]
        self.assertIsInstance(inner_exc, ValueError)
        self.assertIsInstance(inner_exc.__context__, ZeroDivisionError)

def test_exit_exception_non_suppressing(self):
        # http://bugs.python.org/issue19092
        def raise_exc(exc):
            raise exc

def suppress_exc(*exc_details):
            return True

try:
            with self.exit_stack() as stack:
                stack.callback(lambda: None)
                stack.callback(raise_exc, IndexError)
        except Exception as exc:
            self.assertIsInstance(exc, IndexError)
        else:
            self.fail("Expected IndexError, but no exception was raised")

try:
            with self.exit_stack() as stack:
                stack.callback(raise_exc, KeyError)
                stack.push(suppress_exc)
                stack.callback(raise_exc, IndexError)
        except Exception as exc:
            self.assertIsInstance(exc, KeyError)
        else:
            self.fail("Expected KeyError, but no exception was raised")

def test_exit_exception_with_correct_context(self):
        # http://bugs.python.org/issue20317
        @contextmanager
        def gets_the_context_right(exc):
            try:
                yield
            finally:
                raise exc

exc1 = Exception(1)
        exc2 = Exception(2)
        exc3 = Exception(3)
        exc4 = Exception(4)

# The contextmanager already fixes the context, so prior to the
        # fix, ExitStack would try to fix it *again* and get into an
        # infinite self-referential loop
        try:
            with self.exit_stack() as stack:
                stack.enter_context(gets_the_context_right(exc4))
                stack.enter_context(gets_the_context_right(exc3))
                stack.enter_context(gets_the_context_right(exc2))
                raise exc1
        except Exception as exc:
            self.assertIs(exc, exc4)
            self.assertIs(exc.__context__, exc3)
            self.assertIs(exc.__context__.__context__, exc2)
            self.assertIs(exc.__context__.__context__.__context__, exc1)
            self.assertIsNone(
                       exc.__context__.__context__.__context__.__context__)

def test_exit_exception_with_existing_context(self):
        # Addresses a lack of test coverage discovered after checking in a
        # fix for issue 20317 that still contained debugging code.
        def raise_nested(inner_exc, outer_exc):
            try:
                raise inner_exc
            finally:
                raise outer_exc
        exc1 = Exception(1)
        exc2 = Exception(2)
        exc3 = Exception(3)
        exc4 = Exception(4)
        exc5 = Exception(5)
        try:
            with self.exit_stack() as stack:
                stack.callback(raise_nested, exc4, exc5)
                stack.callback(raise_nested, exc2, exc3)
                raise exc1
        except Exception as exc:
            self.assertIs(exc, exc5)
            self.assertIs(exc.__context__, exc4)
            self.assertIs(exc.__context__.__context__, exc3)
            self.assertIs(exc.__context__.__context__.__context__, exc2)
            self.assertIs(
                 exc.__context__.__context__.__context__.__context__, exc1)
            self.assertIsNone(
                exc.__context__.__context__.__context__.__context__.__context__)

def test_body_exception_suppress(self):
        def suppress_exc(*exc_details):
            return True
        try:
            with self.exit_stack() as stack:
                stack.push(suppress_exc)
                1/0
        except IndexError as exc:
            self.fail("Expected no exception, got IndexError")

def test_exit_exception_chaining_suppress(self):
        with self.exit_stack() as stack:
            stack.push(lambda *exc: True)
            stack.push(lambda *exc: 1/0)
            stack.push(lambda *exc: {}[1])

def test_excessive_nesting(self):
        # The original implementation would die with RecursionError here
        with self.exit_stack() as stack:
            for i in range(10000):
                stack.callback(int)

def test_instance_bypass(self):
        class Example(object): pass
        cm = Example()
        cm.__exit__ = object()
        stack = self.exit_stack()
        self.assertRaises(AttributeError, stack.enter_context, cm)
        stack.push(cm)
        self.assertIs(stack._exit_callbacks[-1][1], cm)

def test_dont_reraise_RuntimeError(self):
        # https://bugs.python.org/issue27122
        class UniqueException(Exception): pass
        class UniqueRuntimeError(RuntimeError): pass

@contextmanager
        def second():
            try:
                yield 1
            except Exception as exc:
                raise UniqueException("new exception") from exc

@contextmanager
        def first():
            try:
                yield 1
            except Exception as exc:
                raise exc

# The UniqueRuntimeError should be caught by second()'s exception
        # handler which chain raised a new UniqueException.
        with self.assertRaises(UniqueException) as err_ctx:
            with self.exit_stack() as es_ctx:
                es_ctx.enter_context(second())
                es_ctx.enter_context(first())
                raise UniqueRuntimeError("please no infinite loop.")

exc = err_ctx.exception
        self.assertIsInstance(exc, UniqueException)
        self.assertIsInstance(exc.__context__, UniqueRuntimeError)
        self.assertIsNone(exc.__context__.__context__)
        self.assertIsNone(exc.__context__.__cause__)
        self.assertIs(exc.__cause__, exc.__context__)

class TestExitStack(TestBaseExitStack, unittest.TestCase):
    exit_stack = ExitStack

class TestRedirectStream:

redirect_stream = None
    orig_stream = None

@support.requires_docstrings
    def test_instance_docs(self):
        # Issue 19330: ensure context manager instances have good docstrings
        cm_docstring = self.redirect_stream.__doc__
        obj = self.redirect_stream(None)
        self.assertEqual(obj.__doc__, cm_docstring)

def test_no_redirect_in_init(self):
        orig_stdout = getattr(sys, self.orig_stream)
        self.redirect_stream(None)
        self.assertIs(getattr(sys, self.orig_stream), orig_stdout)

def test_redirect_to_string_io(self):
        f = io.StringIO()
        msg = "Consider an API like help(), which prints directly to stdout"
        orig_stdout = getattr(sys, self.orig_stream)
        with self.redirect_stream(f):
            print(msg, file=getattr(sys, self.orig_stream))
        self.assertIs(getattr(sys, self.orig_stream), orig_stdout)
        s = f.getvalue().strip()
        self.assertEqual(s, msg)

def test_enter_result_is_target(self):
        f = io.StringIO()
        with self.redirect_stream(f) as enter_result:
            self.assertIs(enter_result, f)

def test_cm_is_reusable(self):
        f = io.StringIO()
        write_to_f = self.redirect_stream(f)
        orig_stdout = getattr(sys, self.orig_stream)
        with write_to_f:
            print("Hello", end=" ", file=getattr(sys, self.orig_stream))
        with write_to_f:
            print("World!", file=getattr(sys, self.orig_stream))
        self.assertIs(getattr(sys, self.orig_stream), orig_stdout)
        s = f.getvalue()
        self.assertEqual(s, "Hello World!\n")

def test_cm_is_reentrant(self):
        f = io.StringIO()
        write_to_f = self.redirect_stream(f)
        orig_stdout = getattr(sys, self.orig_stream)
        with write_to_f:
            print("Hello", end=" ", file=getattr(sys, self.orig_stream))
            with write_to_f:
                print("World!", file=getattr(sys, self.orig_stream))
        self.assertIs(getattr(sys, self.orig_stream), orig_stdout)
        s = f.getvalue()
        self.assertEqual(s, "Hello World!\n")

class TestRedirectStdout(TestRedirectStream, unittest.TestCase):

redirect_stream = redirect_stdout
    orig_stream = "stdout"

class TestRedirectStderr(TestRedirectStream, unittest.TestCase):

redirect_stream = redirect_stderr
    orig_stream = "stderr"

class TestSuppress(unittest.TestCase):

@support.requires_docstrings
    def test_instance_docs(self):
        # Issue 19330: ensure context manager instances have good docstrings
        cm_docstring = suppress.__doc__
        obj = suppress()
        self.assertEqual(obj.__doc__, cm_docstring)

def test_no_result_from_enter(self):
        with suppress(ValueError) as enter_result:
            self.assertIsNone(enter_result)

def test_no_exception(self):
        with suppress(ValueError):
            self.assertEqual(pow(2, 5), 32)

def test_exact_exception(self):
        with suppress(TypeError):
            len(5)

def test_exception_hierarchy(self):
        with suppress(LookupError):
            'Hello'[50]

def test_other_exception(self):
        with self.assertRaises(ZeroDivisionError):
            with suppress(TypeError):
                1/0

def test_no_args(self):
        with self.assertRaises(ZeroDivisionError):
            with suppress():
                1/0

def test_multiple_exception_args(self):
        with suppress(ZeroDivisionError, TypeError):
            1/0
        with suppress(ZeroDivisionError, TypeError):
            len(5)

def test_cm_is_reentrant(self):
        ignore_exceptions = suppress(Exception)
        with ignore_exceptions:
            pass
        with ignore_exceptions:
            len(5)
        with ignore_exceptions:
            with ignore_exceptions: # Check nested usage
                len(5)
            outer_continued = True
            1/0
        self.assertTrue(outer_continued)

if __name__ == "__main__":
    unittest.main()

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