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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_cmd_line.py

# Tests invocation of the interpreter with various command line arguments
# Most tests are executed with environment variables ignored
# See test_cmd_line_script.py for testing of script execution

import os
import subprocess
import sys
import tempfile
import unittest
from test import support
from test.support.script_helper import (
    spawn_python, kill_python, assert_python_ok, assert_python_failure,
    interpreter_requires_environment
)

# Debug build?
Py_DEBUG = hasattr(sys, "gettotalrefcount")

# XXX (ncoghlan): Move to script_helper and make consistent with run_python
def _kill_python_and_exit_code(p):
    data = kill_python(p)
    returncode = p.wait()
    return data, returncode

class CmdLineTest(unittest.TestCase):
    def test_directories(self):
        assert_python_failure('.')
        assert_python_failure('< .')

def verify_valid_flag(self, cmd_line):
        rc, out, err = assert_python_ok(*cmd_line)
        self.assertTrue(out == b'' or out.endswith(b'\n'))
        self.assertNotIn(b'Traceback', out)
        self.assertNotIn(b'Traceback', err)

def test_optimize(self):
        self.verify_valid_flag('-O')
        self.verify_valid_flag('-OO')

def test_site_flag(self):
        self.verify_valid_flag('-S')

def test_usage(self):
        rc, out, err = assert_python_ok('-h')
        lines = out.splitlines()
        self.assertIn(b'usage', lines[0])
        # The first line contains the program name,
        # but the rest should be ASCII-only
        b''.join(lines[1:]).decode('ascii')

def test_version(self):
        version = ('Python %d.%d' % sys.version_info[:2]).encode("ascii")
        for switch in '-V', '--version', '-VV':
            rc, out, err = assert_python_ok(switch)
            self.assertFalse(err.startswith(version))
            self.assertTrue(out.startswith(version))

def test_verbose(self):
        # -v causes imports to write to stderr.  If the write to
        # stderr itself causes an import to happen (for the output
        # codec), a recursion loop can occur.
        rc, out, err = assert_python_ok('-v')
        self.assertNotIn(b'stack overflow', err)
        rc, out, err = assert_python_ok('-vv')
        self.assertNotIn(b'stack overflow', err)

@unittest.skipIf(interpreter_requires_environment(),
                     'Cannot run -E tests when PYTHON env vars are required.')
    def test_xoptions(self):
        def get_xoptions(*args):
            # use subprocess module directly because test.support.script_helper adds
            # "-X faulthandler" to the command line
            args = (sys.executable, '-E') + args
            args += ('-c', 'import sys; print(sys._xoptions)')
            out = subprocess.check_output(args)
            opts = eval(out.splitlines()[0])
            return opts

opts = get_xoptions()
        self.assertEqual(opts, {})

opts = get_xoptions('-Xa', '-Xb=c,d=e')
        self.assertEqual(opts, {'a': True, 'b': 'c,d=e'})

def test_showrefcount(self):
        def run_python(*args):
            # this is similar to assert_python_ok but doesn't strip
            # the refcount from stderr.  It can be replaced once
            # assert_python_ok stops doing that.
            cmd = [sys.executable]
            cmd.extend(args)
            PIPE = subprocess.PIPE
            p = subprocess.Popen(cmd, stdout=PIPE, stderr=PIPE)
            out, err = p.communicate()
            p.stdout.close()
            p.stderr.close()
            rc = p.returncode
            self.assertEqual(rc, 0)
            return rc, out, err
        code = 'import sys; print(sys._xoptions)'
        # normally the refcount is hidden
        rc, out, err = run_python('-c', code)
        self.assertEqual(out.rstrip(), b'{}')
        self.assertEqual(err, b'')
        # "-X showrefcount" shows the refcount, but only in debug builds
        rc, out, err = run_python('-X', 'showrefcount', '-c', code)
        self.assertEqual(out.rstrip(), b"{'showrefcount': True}")
        if Py_DEBUG:
            self.assertRegex(err, br'^\[\d+ refs, \d+ blocks\]')
        else:
            self.assertEqual(err, b'')

def test_run_module(self):
        # Test expected operation of the '-m' switch
        # Switch needs an argument
        assert_python_failure('-m')
        # Check we get an error for a nonexistent module
        assert_python_failure('-m', 'fnord43520xyz')
        # Check the runpy module also gives an error for
        # a nonexistent module
        assert_python_failure('-m', 'runpy', 'fnord43520xyz')
        # All good if module is located and run successfully
        assert_python_ok('-m', 'timeit', '-n', '1')

def test_run_module_bug1764407(self):
        # -m and -i need to play well together
        # Runs the timeit module and checks the __main__
        # namespace has been populated appropriately
        p = spawn_python('-i', '-m', 'timeit', '-n', '1')
        p.stdin.write(b'Timer\n')
        p.stdin.write(b'exit()\n')
        data = kill_python(p)
        self.assertTrue(data.find(b'1 loop') != -1)
        self.assertTrue(data.find(b'__main__.Timer') != -1)

def test_run_code(self):
        # Test expected operation of the '-c' switch
        # Switch needs an argument
        assert_python_failure('-c')
        # Check we get an error for an uncaught exception
        assert_python_failure('-c', 'raise Exception')
        # All good if execution is successful
        assert_python_ok('-c', 'pass')

@unittest.skipUnless(support.FS_NONASCII, 'need support.FS_NONASCII')
    def test_non_ascii(self):
        # Test handling of non-ascii data
        command = ("assert(ord(%r) == %s)"
                   % (support.FS_NONASCII, ord(support.FS_NONASCII)))
        assert_python_ok('-c', command)

# On Windows, pass bytes to subprocess doesn't test how Python decodes the
    # command line, but how subprocess does decode bytes to unicode. Python
    # doesn't decode the command line because Windows provides directly the
    # arguments as unicode (using wmain() instead of main()).
    @unittest.skipIf(sys.platform == 'win32',
                     'Windows has a native unicode API')
    def test_undecodable_code(self):
        undecodable = b"\xff"
        env = os.environ.copy()
        # Use C locale to get ascii for the locale encoding
        env['LC_ALL'] = 'C'
        env['PYTHONCOERCECLOCALE'] = '0'
        code = (
            b'import locale; '
            b'print(ascii("' + undecodable + b'"), '
                b'locale.getpreferredencoding())')
        p = subprocess.Popen(
            [sys.executable, "-c", code],
            stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
            env=env)
        stdout, stderr = p.communicate()
        if p.returncode == 1:
            # _Py_char2wchar() decoded b'\xff' as '\udcff' (b'\xff' is not
            # decodable from ASCII) and run_command() failed on
            # PyUnicode_AsUTF8String(). This is the expected behaviour on
            # Linux.
            pattern = b"Unable to decode the command from the command line:"
        elif p.returncode == 0:
            # _Py_char2wchar() decoded b'\xff' as '\xff' even if the locale is
            # C and the locale encoding is ASCII. It occurs on FreeBSD, Solaris
            # and Mac OS X.
            pattern = b"'\\xff' "
            # The output is followed by the encoding name, an alias to ASCII.
            # Examples: "US-ASCII" or "646" (ISO 646, on Solaris).
        else:
            raise AssertionError("Unknown exit code: %s, output=%a" % (p.returncode, stdout))
        if not stdout.startswith(pattern):
            raise AssertionError("%a doesn't start with %a" % (stdout, pattern))

@unittest.skipIf(sys.platform == 'win32',
                     'Windows has a native unicode API')
    def test_invalid_utf8_arg(self):
        # bpo-35883: Py_DecodeLocale() must escape b'\xfd\xbf\xbf\xbb\xba\xba'
        # byte sequence with surrogateescape rather than decoding it as the
        # U+7fffbeba character which is outside the [U+0000; U+10ffff] range of
        # Python Unicode characters.
        #
        # Test with default config, in the C locale, in the Python UTF-8 Mode.
        code = 'import sys, os; s=os.fsencode(sys.argv[1]); print(ascii(s))'
        base_cmd = [sys.executable, '-c', code]

def run_default(arg):
            cmd = [sys.executable, '-c', code, arg]
            return subprocess.run(cmd, stdout=subprocess.PIPE, text=True)

def run_c_locale(arg):
            cmd = [sys.executable, '-c', code, arg]
            env = dict(os.environ)
            env['LC_ALL'] = 'C'
            return subprocess.run(cmd, stdout=subprocess.PIPE,
                                  text=True, env=env)

def run_utf8_mode(arg):
            cmd = [sys.executable, '-X', 'utf8', '-c', code, arg]
            return subprocess.run(cmd, stdout=subprocess.PIPE, text=True)

valid_utf8 = 'e:\xe9, euro:\u20ac, non-bmp:\U0010ffff'.encode('utf-8')
        # invalid UTF-8 byte sequences with a valid UTF-8 sequence
        # in the middle.
        invalid_utf8 = (
            b'\xff'                      # invalid byte
            b'\xc3\xff'                  # invalid byte sequence
            b'\xc3\xa9'                  # valid utf-8: U+00E9 character
            b'\xed\xa0\x80'              # lone surrogate character (invalid)
            b'\xfd\xbf\xbf\xbb\xba\xba'  # character outside [U+0000; U+10ffff]
        )
        test_args = [valid_utf8, invalid_utf8]

for run_cmd in (run_default, run_c_locale, run_utf8_mode):
            with self.subTest(run_cmd=run_cmd):
                for arg in test_args:
                    proc = run_cmd(arg)
                    self.assertEqual(proc.stdout.rstrip(), ascii(arg))

@unittest.skipUnless((sys.platform == 'darwin' or
                support.is_android), 'test specific to Mac OS X and Android')
    def test_osx_android_utf8(self):
        text = 'e:\xe9, euro:\u20ac, non-bmp:\U0010ffff'.encode('utf-8')
        code = "import sys; print(ascii(sys.argv[1]))"

decoded = text.decode('utf-8', 'surrogateescape')
        expected = ascii(decoded).encode('ascii') + b'\n'

env = os.environ.copy()
        # C locale gives ASCII locale encoding, but Python uses UTF-8
        # to parse the command line arguments on Mac OS X and Android.
        env['LC_ALL'] = 'C'

p = subprocess.Popen(
            (sys.executable, "-c", code, text),
            stdout=subprocess.PIPE,
            env=env)
        stdout, stderr = p.communicate()
        self.assertEqual(stdout, expected)
        self.assertEqual(p.returncode, 0)

def test_unbuffered_output(self):
        # Test expected operation of the '-u' switch
        for stream in ('stdout', 'stderr'):
            # Binary is unbuffered
            code = ("import os, sys; sys.%s.buffer.write(b'x'); os._exit(0)"
                % stream)
            rc, out, err = assert_python_ok('-u', '-c', code)
            data = err if stream == 'stderr' else out
            self.assertEqual(data, b'x', "binary %s not unbuffered" % stream)
            # Text is unbuffered
            code = ("import os, sys; sys.%s.write('x'); os._exit(0)"
                % stream)
            rc, out, err = assert_python_ok('-u', '-c', code)
            data = err if stream == 'stderr' else out
            self.assertEqual(data, b'x', "text %s not unbuffered" % stream)

def test_unbuffered_input(self):
        # sys.stdin still works with '-u'
        code = ("import sys; sys.stdout.write(sys.stdin.read(1))")
        p = spawn_python('-u', '-c', code)
        p.stdin.write(b'x')
        p.stdin.flush()
        data, rc = _kill_python_and_exit_code(p)
        self.assertEqual(rc, 0)
        self.assertTrue(data.startswith(b'x'), data)

def test_large_PYTHONPATH(self):
        path1 = "ABCDE" * 100
        path2 = "FGHIJ" * 100
        path = path1 + os.pathsep + path2

code = """if 1:
            import sys
            path = ":".join(sys.path)
            path = path.encode("ascii", "backslashreplace")
            sys.stdout.buffer.write(path)"""
        rc, out, err = assert_python_ok('-S', '-c', code,
                                        PYTHONPATH=path)
        self.assertIn(path1.encode('ascii'), out)
        self.assertIn(path2.encode('ascii'), out)

def test_empty_PYTHONPATH_issue16309(self):
        # On Posix, it is documented that setting PATH to the
        # empty string is equivalent to not setting PATH at all,
        # which is an exception to the rule that in a string like
        # "/bin::/usr/bin" the empty string in the middle gets
        # interpreted as '.'
        code = """if 1:
            import sys
            path = ":".join(sys.path)
            path = path.encode("ascii", "backslashreplace")
            sys.stdout.buffer.write(path)"""
        rc1, out1, err1 = assert_python_ok('-c', code, PYTHONPATH="")
        rc2, out2, err2 = assert_python_ok('-c', code, __isolated=False)
        # regarding to Posix specification, outputs should be equal
        # for empty and unset PYTHONPATH
        self.assertEqual(out1, out2)

def test_displayhook_unencodable(self):
        for encoding in ('ascii', 'latin-1', 'utf-8'):
            env = os.environ.copy()
            env['PYTHONIOENCODING'] = encoding
            p = subprocess.Popen(
                [sys.executable, '-i'],
                stdin=subprocess.PIPE,
                stdout=subprocess.PIPE,
                stderr=subprocess.STDOUT,
                env=env)
            # non-ascii, surrogate, non-BMP printable, non-BMP unprintable
            text = "a=\xe9 b=\uDC80 c=\U00010000 d=\U0010FFFF"
            p.stdin.write(ascii(text).encode('ascii') + b"\n")
            p.stdin.write(b'exit()\n')
            data = kill_python(p)
            escaped = repr(text).encode(encoding, 'backslashreplace')
            self.assertIn(escaped, data)

def check_input(self, code, expected):
        with tempfile.NamedTemporaryFile("wb+") as stdin:
            sep = os.linesep.encode('ASCII')
            stdin.write(sep.join((b'abc', b'def')))
            stdin.flush()
            stdin.seek(0)
            with subprocess.Popen(
                (sys.executable, "-c", code),
                stdin=stdin, stdout=subprocess.PIPE) as proc:
                stdout, stderr = proc.communicate()
        self.assertEqual(stdout.rstrip(), expected)

def test_stdin_readline(self):
        # Issue #11272: check that sys.stdin.readline() replaces '\r\n' by '\n'
        # on Windows (sys.stdin is opened in binary mode)
        self.check_input(
            "import sys; print(repr(sys.stdin.readline()))",
            b"'abc\\n'")

def test_builtin_input(self):
        # Issue #11272: check that input() strips newlines ('\n' or '\r\n')
        self.check_input(
            "print(repr(input()))",
            b"'abc'")

def test_output_newline(self):
        # Issue 13119 Newline for print() should be \r\n on Windows.
        code = """if 1:
            import sys
            print(1)
            print(2)
            print(3, file=sys.stderr)
            print(4, file=sys.stderr)"""
        rc, out, err = assert_python_ok('-c', code)

if sys.platform == 'win32':
            self.assertEqual(b'1\r\n2\r\n', out)
            self.assertEqual(b'3\r\n4', err)
        else:
            self.assertEqual(b'1\n2\n', out)
            self.assertEqual(b'3\n4', err)

def test_unmached_quote(self):
        # Issue #10206: python program starting with unmatched quote
        # spewed spaces to stdout
        rc, out, err = assert_python_failure('-c', "'")
        self.assertRegex(err.decode('ascii', 'ignore'), 'SyntaxError')
        self.assertEqual(b'', out)

def test_stdout_flush_at_shutdown(self):
        # Issue #5319: if stdout.flush() fails at shutdown, an error should
        # be printed out.
        code = """if 1:
            import os, sys, test.support
            test.support.SuppressCrashReport().__enter__()
            sys.stdout.write('x')
            os.close(sys.stdout.fileno())"""
        rc, out, err = assert_python_failure('-c', code)
        self.assertEqual(b'', out)
        self.assertEqual(120, rc)
        self.assertRegex(err.decode('ascii', 'ignore'),
                         'Exception ignored in.*\nOSError: .*')

def test_closed_stdout(self):
        # Issue #13444: if stdout has been explicitly closed, we should
        # not attempt to flush it at shutdown.
        code = "import sys; sys.stdout.close()"
        rc, out, err = assert_python_ok('-c', code)
        self.assertEqual(b'', err)

# Issue #7111: Python should work without standard streams

@unittest.skipIf(os.name != 'posix', "test needs POSIX semantics")
    @unittest.skipIf(sys.platform == "vxworks",
                         "test needs preexec support in subprocess.Popen")
    def _test_no_stdio(self, streams):
        code = """if 1:
            import os, sys
            for i, s in enumerate({streams}):
                if getattr(sys, s) is not None:
                    os._exit(i + 1)
            os._exit(42)""".format(streams=streams)
        def preexec():
            if 'stdin' in streams:
                os.close(0)
            if 'stdout' in streams:
                os.close(1)
            if 'stderr' in streams:
                os.close(2)
        p = subprocess.Popen(
            [sys.executable, "-E", "-c", code],
            stdin=subprocess.PIPE,
            stdout=subprocess.PIPE,
            stderr=subprocess.PIPE,
            preexec_fn=preexec)
        out, err = p.communicate()
        self.assertEqual(support.strip_python_stderr(err), b'')
        self.assertEqual(p.returncode, 42)

def test_no_stdin(self):
        self._test_no_stdio(['stdin'])

def test_no_stdout(self):
        self._test_no_stdio(['stdout'])

def test_no_stderr(self):
        self._test_no_stdio(['stderr'])

def test_no_std_streams(self):
        self._test_no_stdio(['stdin', 'stdout', 'stderr'])

def test_hash_randomization(self):
        # Verify that -R enables hash randomization:
        self.verify_valid_flag('-R')
        hashes = []
        if os.environ.get('PYTHONHASHSEED', 'random') != 'random':
            env = dict(os.environ)  # copy
            # We need to test that it is enabled by default without
            # the environment variable enabling it for us.
            del env['PYTHONHASHSEED']
            env['__cleanenv'] = '1'  # consumed by assert_python_ok()
        else:
            env = {}
        for i in range(3):
            code = 'print(hash("spam"))'
            rc, out, err = assert_python_ok('-c', code, **env)
            self.assertEqual(rc, 0)
            hashes.append(out)
        hashes = sorted(set(hashes))  # uniq
        # Rare chance of failure due to 3 random seeds honestly being equal.
        self.assertGreater(len(hashes), 1,
                           msg='3 runs produced an identical random hash '
                               ' for "spam": {}'.format(hashes))

# Verify that sys.flags contains hash_randomization
        code = 'import sys; print("random is", sys.flags.hash_randomization)'
        rc, out, err = assert_python_ok('-c', code, PYTHONHASHSEED='')
        self.assertIn(b'random is 1', out)

rc, out, err = assert_python_ok('-c', code, PYTHONHASHSEED='random')
        self.assertIn(b'random is 1', out)

rc, out, err = assert_python_ok('-c', code, PYTHONHASHSEED='0')
        self.assertIn(b'random is 0', out)

rc, out, err = assert_python_ok('-R', '-c', code, PYTHONHASHSEED='0')
        self.assertIn(b'random is 1', out)

def test_del___main__(self):
        # Issue #15001: PyRun_SimpleFileExFlags() did crash because it kept a
        # borrowed reference to the dict of __main__ module and later modify
        # the dict whereas the module was destroyed
        filename = support.TESTFN
        self.addCleanup(support.unlink, filename)
        with open(filename, "w") as script:
            print("import sys", file=script)
            print("del sys.modules['__main__']", file=script)
        assert_python_ok(filename)

def test_unknown_options(self):
        rc, out, err = assert_python_failure('-E', '-z')
        self.assertIn(b'Unknown option: -z', err)
        self.assertEqual(err.splitlines().count(b'Unknown option: -z'), 1)
        self.assertEqual(b'', out)
        # Add "without='-E'" to prevent _assert_python to append -E
        # to env_vars and change the output of stderr
        rc, out, err = assert_python_failure('-z', without='-E')
        self.assertIn(b'Unknown option: -z', err)
        self.assertEqual(err.splitlines().count(b'Unknown option: -z'), 1)
        self.assertEqual(b'', out)
        rc, out, err = assert_python_failure('-a', '-z', without='-E')
        self.assertIn(b'Unknown option: -a', err)
        # only the first unknown option is reported
        self.assertNotIn(b'Unknown option: -z', err)
        self.assertEqual(err.splitlines().count(b'Unknown option: -a'), 1)
        self.assertEqual(b'', out)

@unittest.skipIf(interpreter_requires_environment(),
                     'Cannot run -I tests when PYTHON env vars are required.')
    def test_isolatedmode(self):
        self.verify_valid_flag('-I')
        self.verify_valid_flag('-IEs')
        rc, out, err = assert_python_ok('-I', '-c',
            'from sys import flags as f; '
            'print(f.no_user_site, f.ignore_environment, f.isolated)',
            # dummyvar to prevent extraneous -E
            dummyvar="")
        self.assertEqual(out.strip(), b'1 1 1')
        with support.temp_cwd() as tmpdir:
            fake = os.path.join(tmpdir, "uuid.py")
            main = os.path.join(tmpdir, "main.py")
            with open(fake, "w") as f:
                f.write("raise RuntimeError('isolated mode test')\n")
            with open(main, "w") as f:
                f.write("import uuid\n")
                f.write("print('ok')\n")
            self.assertRaises(subprocess.CalledProcessError,
                              subprocess.check_output,
                              [sys.executable, main], cwd=tmpdir,
                              stderr=subprocess.DEVNULL)
            out = subprocess.check_output([sys.executable, "-I", main],
                                          cwd=tmpdir)
            self.assertEqual(out.strip(), b"ok")

def test_sys_flags_set(self):
        # Issue 31845: a startup refactoring broke reading flags from env vars
        for value, expected in (("", 0), ("1", 1), ("text", 1), ("2", 2)):
            env_vars = dict(
                PYTHONDEBUG=value,
                PYTHONOPTIMIZE=value,
                PYTHONDONTWRITEBYTECODE=value,
                PYTHONVERBOSE=value,
            )
            dont_write_bytecode = int(bool(value))
            code = (
                "import sys; "
                "sys.stderr.write(str(sys.flags)); "
                f"""sys.exit(not (
                    sys.flags.debug == sys.flags.optimize ==
                    sys.flags.verbose ==
                    {expected}
                    and sys.flags.dont_write_bytecode == {dont_write_bytecode}
                ))"""
            )
            with self.subTest(envar_value=value):
                assert_python_ok('-c', code, **env_vars)

def test_set_pycache_prefix(self):
        # sys.pycache_prefix can be set from either -X pycache_prefix or
        # PYTHONPYCACHEPREFIX env var, with the former taking precedence.
        NO_VALUE = object()  # `-X pycache_prefix` with no `=PATH`
        cases = [
            # (PYTHONPYCACHEPREFIX, -X pycache_prefix, sys.pycache_prefix)
            (None, None, None),
            ('foo', None, 'foo'),
            (None, 'bar', 'bar'),
            ('foo', 'bar', 'bar'),
            ('foo', '', None),
            ('foo', NO_VALUE, None),
        ]
        for envval, opt, expected in cases:
            exp_clause = "is None" if expected is None else f'== "{expected}"'
            code = f"import sys; sys.exit(not sys.pycache_prefix {exp_clause})"
            args = ['-c', code]
            env = {} if envval is None else {'PYTHONPYCACHEPREFIX': envval}
            if opt is NO_VALUE:
                args[:0] = ['-X', 'pycache_prefix']
            elif opt is not None:
                args[:0] = ['-X', f'pycache_prefix={opt}']
            with self.subTest(envval=envval, opt=opt):
                with support.temp_cwd():
                    assert_python_ok(*args, **env)

def run_xdev(self, *args, check_exitcode=True, xdev=True):
        env = dict(os.environ)
        env.pop('PYTHONWARNINGS', None)
        env.pop('PYTHONDEVMODE', None)
        env.pop('PYTHONMALLOC', None)

if xdev:
            args = (sys.executable, '-X', 'dev', *args)
        else:
            args = (sys.executable, *args)
        proc = subprocess.run(args,
                              stdout=subprocess.PIPE,
                              stderr=subprocess.STDOUT,
                              universal_newlines=True,
                              env=env)
        if check_exitcode:
            self.assertEqual(proc.returncode, 0, proc)
        return proc.stdout.rstrip()

def test_xdev(self):
        # sys.flags.dev_mode
        code = "import sys; print(sys.flags.dev_mode)"
        out = self.run_xdev("-c", code, xdev=False)
        self.assertEqual(out, "False")
        out = self.run_xdev("-c", code)
        self.assertEqual(out, "True")

# Warnings
        code = ("import warnings; "
                "print(' '.join('%s::%s' % (f[0], f[2].__name__) "
                                "for f in warnings.filters))")
        if Py_DEBUG:
            expected_filters = "default::Warning"
        else:
            expected_filters = ("default::Warning "
                                "default::DeprecationWarning "
                                "ignore::DeprecationWarning "
                                "ignore::PendingDeprecationWarning "
                                "ignore::ImportWarning "
                                "ignore::ResourceWarning")

out = self.run_xdev("-c", code)
        self.assertEqual(out, expected_filters)

out = self.run_xdev("-b", "-c", code)
        self.assertEqual(out, f"default::BytesWarning {expected_filters}")

out = self.run_xdev("-bb", "-c", code)
        self.assertEqual(out, f"error::BytesWarning {expected_filters}")

out = self.run_xdev("-Werror", "-c", code)
        self.assertEqual(out, f"error::Warning {expected_filters}")

# Memory allocator debug hooks
        try:
            import _testcapi
        except ImportError:
            pass
        else:
            code = "import _testcapi; print(_testcapi.pymem_getallocatorsname())"
            with support.SuppressCrashReport():
                out = self.run_xdev("-c", code, check_exitcode=False)
            if support.with_pymalloc():
                alloc_name = "pymalloc_debug"
            else:
                alloc_name = "malloc_debug"
            self.assertEqual(out, alloc_name)

# Faulthandler
        try:
            import faulthandler
        except ImportError:
            pass
        else:
            code = "import faulthandler; print(faulthandler.is_enabled())"
            out = self.run_xdev("-c", code)
            self.assertEqual(out, "True")

def check_warnings_filters(self, cmdline_option, envvar, use_pywarning=False):
        if use_pywarning:
            code = ("import sys; from test.support import import_fresh_module; "
                    "warnings = import_fresh_module('warnings', blocked=['_warnings']); ")
        else:
            code = "import sys, warnings; "
        code += ("print(' '.join('%s::%s' % (f[0], f[2].__name__) "
                                "for f in warnings.filters))")
        args = (sys.executable, '-W', cmdline_option, '-bb', '-c', code)
        env = dict(os.environ)
        env.pop('PYTHONDEVMODE', None)
        env["PYTHONWARNINGS"] = envvar
        proc = subprocess.run(args,
                              stdout=subprocess.PIPE,
                              stderr=subprocess.STDOUT,
                              universal_newlines=True,
                              env=env)
        self.assertEqual(proc.returncode, 0, proc)
        return proc.stdout.rstrip()

def test_warnings_filter_precedence(self):
        expected_filters = ("error::BytesWarning "
                            "once::UserWarning "
                            "always::UserWarning")
        if not Py_DEBUG:
            expected_filters += (" "
                                 "default::DeprecationWarning "
                                 "ignore::DeprecationWarning "
                                 "ignore::PendingDeprecationWarning "
                                 "ignore::ImportWarning "
                                 "ignore::ResourceWarning")

out = self.check_warnings_filters("once::UserWarning",
                                          "always::UserWarning")
        self.assertEqual(out, expected_filters)

out = self.check_warnings_filters("once::UserWarning",
                                          "always::UserWarning",
                                          use_pywarning=True)
        self.assertEqual(out, expected_filters)

def check_pythonmalloc(self, env_var, name):
        code = 'import _testcapi; print(_testcapi.pymem_getallocatorsname())'
        env = dict(os.environ)
        env.pop('PYTHONDEVMODE', None)
        if env_var is not None:
            env['PYTHONMALLOC'] = env_var
        else:
            env.pop('PYTHONMALLOC', None)
        args = (sys.executable, '-c', code)
        proc = subprocess.run(args,
                              stdout=subprocess.PIPE,
                              stderr=subprocess.STDOUT,
                              universal_newlines=True,
                              env=env)
        self.assertEqual(proc.stdout.rstrip(), name)
        self.assertEqual(proc.returncode, 0)

def test_pythonmalloc(self):
        # Test the PYTHONMALLOC environment variable
        pymalloc = support.with_pymalloc()
        if pymalloc:
            default_name = 'pymalloc_debug' if Py_DEBUG else 'pymalloc'
            default_name_debug = 'pymalloc_debug'
        else:
            default_name = 'malloc_debug' if Py_DEBUG else 'malloc'
            default_name_debug = 'malloc_debug'

tests = [
            (None, default_name),
            ('debug', default_name_debug),
            ('malloc', 'malloc'),
            ('malloc_debug', 'malloc_debug'),
        ]
        if pymalloc:
            tests.extend((
                ('pymalloc', 'pymalloc'),
                ('pymalloc_debug', 'pymalloc_debug'),
            ))

for env_var, name in tests:
            with self.subTest(env_var=env_var, name=name):
                self.check_pythonmalloc(env_var, name)

def test_pythondevmode_env(self):
        # Test the PYTHONDEVMODE environment variable
        code = "import sys; print(sys.flags.dev_mode)"
        env = dict(os.environ)
        env.pop('PYTHONDEVMODE', None)
        args = (sys.executable, '-c', code)

proc = subprocess.run(args, stdout=subprocess.PIPE,
                              universal_newlines=True, env=env)
        self.assertEqual(proc.stdout.rstrip(), 'False')
        self.assertEqual(proc.returncode, 0, proc)

env['PYTHONDEVMODE'] = '1'
        proc = subprocess.run(args, stdout=subprocess.PIPE,
                              universal_newlines=True, env=env)
        self.assertEqual(proc.stdout.rstrip(), 'True')
        self.assertEqual(proc.returncode, 0, proc)

@unittest.skipUnless(sys.platform == 'win32',
                         'bpo-32457 only applies on Windows')
    def test_argv0_normalization(self):
        args = sys.executable, '-c', 'print(0)'
        prefix, exe = os.path.split(sys.executable)
        executable = prefix + '\\.\\.\\.\\' + exe

proc = subprocess.run(args, stdout=subprocess.PIPE,
                              executable=executable)
        self.assertEqual(proc.returncode, 0, proc)
        self.assertEqual(proc.stdout.strip(), b'0')

def test_parsing_error(self):
        args = [sys.executable, '-I', '--unknown-option']
        proc = subprocess.run(args,
                              stdout=subprocess.PIPE,
                              stderr=subprocess.PIPE,
                              text=True)
        err_msg = "unknown option --unknown-option\nusage: "
        self.assertTrue(proc.stderr.startswith(err_msg), proc.stderr)
        self.assertNotEqual(proc.returncode, 0)

@unittest.skipIf(interpreter_requires_environment(),
                 'Cannot run -I tests when PYTHON env vars are required.')
class IgnoreEnvironmentTest(unittest.TestCase):

def run_ignoring_vars(self, predicate, **env_vars):
        # Runs a subprocess with -E set, even though we're passing
        # specific environment variables
        # Logical inversion to match predicate check to a zero return
        # code indicating success
        code = "import sys; sys.stderr.write(str(sys.flags)); sys.exit(not ({}))".format(predicate)
        return assert_python_ok('-E', '-c', code, **env_vars)

def test_ignore_PYTHONPATH(self):
        path = "should_be_ignored"
        self.run_ignoring_vars("'{}' not in sys.path".format(path),
                               PYTHONPATH=path)

def test_ignore_PYTHONHASHSEED(self):
        self.run_ignoring_vars("sys.flags.hash_randomization == 1",
                               PYTHONHASHSEED="0")

def test_sys_flags_not_set(self):
        # Issue 31845: a startup refactoring broke reading flags from env vars
        expected_outcome = """
            (sys.flags.debug == sys.flags.optimize ==
             sys.flags.dont_write_bytecode == sys.flags.verbose == 0)
        """
        self.run_ignoring_vars(
            expected_outcome,
            PYTHONDEBUG="1",
            PYTHONOPTIMIZE="1",
            PYTHONDONTWRITEBYTECODE="1",
            PYTHONVERBOSE="1",
        )

def test_main():
    support.run_unittest(CmdLineTest, IgnoreEnvironmentTest)
    support.reap_children()

if __name__ == "__main__":
    test_main()

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