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Miss Islington (bot) e3fbcc3eac
[3.15] gh-149496: Fix MacOSTest.test_default regression when BROWSER env var is set (GH-149579) (#149745) 
gh-149496: Fix MacOSTest.test_default regression when BROWSER env var is set (GH-149579)

gh-149496: Fix MacOSTest.test_default failing when BROWSER env var is set

MacOSTest.test_default calls webbrowser.get() and asserts it returns a
MacOS instance. When BROWSER is set in the environment (e.g. BROWSER=open,
a common macOS workaround for the old osascript-based implementation),
register_standard_browsers() registers a GenericBrowser as the preferred
browser instead, causing the assertion to fail.

This is a regression introduced in gh-137586, which added MacOSTest and
moved test_default into it from MacOSXOSAScriptTest. MacOSXOSAScriptTest
had an identical setUp() guard added in gh-131254 specifically to fix this
same failure. The guard was not carried over to MacOSTest.

Add setUp() to MacOSTest to unset BROWSER for the duration of each test,
restoring the isolation that was already established as the correct pattern
for macOS webbrowser tests.
(cherry picked from commit 45c47d26c2)

Co-authored-by: Jeff Lyon <146767590+secengjeff@users.noreply.github.com>
2026-05-12 21:25:21 +00:00
..
__phello__
_pyrepl gh-130472: Use fancycompleter in import completions (#148188) 2026-05-05 01:36:43 +00:00
asyncio [3.15] gh-149694: Fix missing docstring on asyncio.iscoroutinefunction (#149696) 2026-05-12 22:52:36 +05:30
collections gh-147957: pop items from UserDict in LIFO order (gh-147958) 2026-04-14 23:29:41 -05:00
compression gh-132983: Split `_zstd_set_c_parameters` (#133921) 2025-05-28 14:45:08 +00:00
concurrent Fix pyflakes warnings: variable is assigned to but never used (#142294) 2025-12-08 14:00:31 +01:00
ctypes gh-148675: Add Zd/Zf formats to array, ctypes, memoryview, struct (#148676) 2026-05-04 16:14:23 +02:00
curses gh-146153: Use frozendict in pure python fallback for curses.has_key (#146154) 2026-03-21 14:06:07 +01:00
dbm Fix typo: 'exept' -> 'except' in Lib/dbm/dumb.py (GH-144060) 2026-01-20 08:50:34 +02:00
email gh-81074: Allow non-ASCII addr_spec in email.headerregistry.Address (#122477) 2026-05-01 14:00:46 -04:00
encodings gh-146054: Limit the growth of encodings.search_function cache (GH-146055) 2026-03-17 15:02:59 +01:00
ensurepip gh-142389: Add backticks to stdlib argparse help to display in colour (#149384) 2026-05-04 22:23:18 +00:00
html gh-140875: Fix handling of unclosed charrefs before EOF in HTMLParser (GH-140904) 2025-11-19 13:55:10 +02:00
http gh-142389: Add backticks to stdlib argparse help to display in colour (#149384) 2026-05-04 22:23:18 +00:00
idlelib gh-139551: add support for BaseExceptionGroup in IDLE (GH-139563) 2026-04-12 10:06:41 -07:00
importlib GH-83065: Fix import deadlock by implementing hierarchical module locking (GH-137196) 2026-04-28 01:06:23 -07:00
json [3.15] gh-146061: Clarify indent=None in json docs (GH-146095) (GH-149667) 2026-05-11 11:44:11 +00:00
logging gh-145650: Add logging.{Formatter,Filter}.__repr__ (GH-145652) 2026-03-26 12:41:14 +00:00
multiprocessing gh-137335: remove a mktemp use in multiprocessing.connection to avoid security scanner noise (GH-148578) 2026-04-14 23:31:58 +00:00
pathlib gh-137855: Improve import time of pathlib (GH-146327) 2026-05-05 14:38:03 +02:00
profiling [3.15] gh-149430: Fix edge-cases in profiling.sampling outputs (GH-149431) (#149602) 2026-05-09 13:33:05 +00:00
pydoc_data Python 3.15.0b1 2026-05-07 16:26:31 +03:00
re gh-86519: Add prefixmatch APIs to the re module (GH-31137) 2026-02-15 17:43:39 -08:00
site-packages
sqlite3 gh-142389: Add backticks to stdlib argparse help to display in colour (#149384) 2026-05-04 22:23:18 +00:00
string GH-132661: Add `string.templatelib.convert()` (#135217) 2025-07-15 11:56:42 +02:00
sysconfig gh-146541: Allow building the Android testbed for 32-bit targets (#146542) 2026-04-04 11:27:27 +08:00
test [3.15] gh-149496: Fix MacOSTest.test_default regression when BROWSER env var is set (GH-149579) (#149745) 2026-05-12 21:25:21 +00:00
tkinter gh-47655: Add support for user data and detail of Tk events to tkinter (GH-7142) 2026-02-25 10:34:00 +02:00
tomllib [3.15] Update mypy to 2.1.0 (GH-149709) (#149711) 2026-05-12 09:09:52 +00:00
turtledemo gh-137586: Open external osascript program with absolute path (GH-137584) 2026-04-06 09:42:10 -07:00
unittest gh-144384: Lazily import _colorize (#149318) 2026-05-06 16:07:43 +00:00
urllib gh-138907: Support RFC 9309 in robotparser (GH-138908) 2026-05-04 18:03:11 +00:00
venv gh-142389: Add backticks to stdlib argparse help to display in colour (#149384) 2026-05-04 22:23:18 +00:00
wsgiref gh-144370: Disallow usage of control characters in status in wsgiref.handlers for security (#144371) 2026-03-06 13:22:21 +01:00
xml [3.15] gh-139489: Add is_valid_text to xml.__all__ (GH-149641) (#149652) 2026-05-10 21:11:04 +00:00
xmlrpc gh-136839: Refactor simple dict.update calls (#136811) 2025-07-19 10:12:10 -07:00
zipfile gh-142389: Add backticks to stdlib argparse help to display in colour (#149384) 2026-05-04 22:23:18 +00:00
zoneinfo gh-145883: Fix two heap-buffer-overflows in _zoneinfo (#145885) 2026-04-04 13:29:17 +01:00
__future__.py
__hello__.py
_aix_support.py
_android_support.py gh-144415: Android testbed fixes (#142912) 2026-02-03 16:37:34 +08:00
_apple_support.py
_ast_unparse.py gh-143055: Fix crash in AST unparser when unparsing dict comprehension unpacking (#145556) 2026-03-09 10:37:23 -07:00
_collections_abc.py gh-141510, PEP 814: Add built-in frozendict type (#144757) 2026-02-17 10:54:41 +01:00
_colorize.py gh-148352: Add more colour to calendar CLI output (#148354) 2026-05-04 15:14:57 +03:00
_compat_pickle.py gh-142349: Implement PEP 810 - Explicit lazy imports (#142351) 2026-02-12 00:15:33 +00:00
_ios_support.py
_markupbase.py
_opcode_metadata.py GH-143732: SEND specialization (GH-148963) 2026-05-05 15:19:16 +01:00
_osx_support.py gh-136677: Introduce executable specific linker flags to configure (#137296) 2026-02-24 22:52:02 +00:00
_py_abc.py
_py_warnings.py gh-143231: Add the module attribute to warnings.WarningMessage (GH-149298) 2026-05-03 09:35:47 +00:00
_pydatetime.py gh-97517: Add documentation links to datetime strftime/strptime docstrings (#138559) 2025-09-15 19:50:46 +01:00
_pydecimal.py gh-76007: Deprecate __version__ attribute in decimal (#140302) 2025-10-26 12:01:04 +01:00
_pyio.py gh-143602: Fix duplicate buffer exports in io.BytesIO.write (#143629) 2026-01-15 16:08:55 +01:00
_pylong.py
_sitebuiltins.py gh-145035: Allows removing the _pyrepl module to completely disable the modern REPL (GH-145159) 2026-03-10 14:58:32 +01:00
_strptime.py GH-70647: Remove support for %d (and deprecate for %e) without year in strptime() (GH-144570) 2026-04-14 17:15:27 -07:00
_threading_local.py Fix pyflakes warnings: variable is assigned to but never used (#142294) 2025-12-08 14:00:31 +01:00
_weakrefset.py
abc.py
annotationlib.py gh-148680: Replace internal names with type_reprs of objects in string representations of ForwardRef (#148682) 2026-04-23 06:22:20 -07:00
antigravity.py
argparse.py [3.15] gh-149614 - Restore deepcopiability of argparse.ArgumentParser… (#149693) 2026-05-11 18:25:40 +00:00
ast.py gh-142389: Add backticks to stdlib argparse help to display in colour (#149384) 2026-05-04 22:23:18 +00:00
base64.py [3.15] gh-134837: Correct and improve base85 documentation for base64 and binascii modules (GH-145843) (GH-149742) 2026-05-12 20:25:28 +00:00
bdb.py gh-136057: Allow step and next to step over for loops (#136160) 2025-11-16 13:57:07 -08:00
bisect.py
bz2.py gh-132983: Introduce compression package and move _compression module (GH-133018) 2025-04-27 14:41:30 -07:00
calendar.py gh-142389: Add backticks to stdlib argparse help to display in colour (#149384) 2026-05-04 22:23:18 +00:00
cmd.py gh-133363: Fix Cmd completion for lines beginning with ! (#133364) 2025-05-03 22:50:37 -04:00
code.py gh-142389: Add backticks to stdlib argparse help to display in colour (#149384) 2026-05-04 22:23:18 +00:00
codecs.py gh-52876: Implement missing parameter in codecs.StreamReaderWriter functions (#136498) 2025-07-10 17:42:14 +02:00
codeop.py Fix pyflakes warnings: variable is assigned to but never used (#142294) 2025-12-08 14:00:31 +01:00
colorsys.py
compileall.py gh-142389: Add backticks to stdlib argparse help to display in colour (#149384) 2026-05-04 22:23:18 +00:00
configparser.py gh-148370: prevent quadratic behavior in configparser.ParsingError.combine (#148452) 2026-04-14 00:32:54 +02:00
contextlib.py gh-125862: Keep ContextDecorator open across generator/coroutine execution (GH-136212) 2026-04-28 05:26:38 +00:00
contextvars.py
copy.py gh-141510: Fix copy.deepcopy() for recursive frozendict (#145027) 2026-02-21 15:30:40 +00:00
copyreg.py gh-132882: Fix copying of unions with members that do not support __or__ (#132883) 2025-04-24 16:49:09 +00:00
cProfile.py Remove unused imports (#142320) 2025-12-06 11:27:31 +00:00
csv.py gh-137627: Make csv.Sniffer.sniff() delimiter detection 1.6x faster (#137628) 2025-10-23 15:28:29 +03:00
dataclasses.py gh-149321: Fix stdlib imports with lazy imports disabled (#149338) 2026-05-04 19:03:21 +01:00
datetime.py
decimal.py gh-76007: Deprecate __version__ attribute in decimal (#140302) 2025-10-26 12:01:04 +01:00
difflib.py gh-144384: Lazily import _colorize (#149318) 2026-05-06 16:07:43 +00:00
dis.py gh-142389: Add backticks to stdlib argparse help to display in colour (#149384) 2026-05-04 22:23:18 +00:00
doctest.py gh-144384: Lazily import _colorize (#149318) 2026-05-06 16:07:43 +00:00
enum.py gh-140806: add docs for enum.bin function (#140807) 2026-01-12 13:34:18 +02:00
filecmp.py
fileinput.py
fnmatch.py gh-133306: Use \z instead of \Z in fnmatch.translate() and glob.translate() (GH-133338) 2025-05-03 17:58:21 +03:00
fractions.py gh-87790: support thousands separators for formatting fractional part of Fraction (#132204) 2025-07-07 11:16:31 +03:00
ftplib.py Fix pyflakes warnings: variable is assigned to but never used (#142294) 2025-12-08 14:00:31 +01:00
functools.py [3.15] gh-149083: Convert _initial_missing for pure py reduce to sentinel (GH-149536) (#149592) 2026-05-09 08:27:29 +00:00
genericpath.py gh-74453: Deprecate os.path.commonprefix (#144436) 2026-02-05 22:37:05 +02:00
getopt.py
getpass.py gh-138577: Fix keyboard shortcuts in getpass with echo_char (#141597) 2026-03-30 11:11:13 +02:00
gettext.py gh-141510: Use frozendict in the stdlib (#144909) 2026-03-06 10:25:09 +01:00
glob.py gh-144835: Added missing explanations for some parameters in glob and iglob. (#144836) 2026-03-02 08:56:28 -03:00
graphlib.py GH-143948: Explain graphlib's cycle-finding code (#143950) 2026-01-20 19:28:48 -06:00
gzip.py gh-142389: Add backticks to stdlib argparse help to display in colour (#149384) 2026-05-04 22:23:18 +00:00
hashlib.py gh-136565: use SHA-256 for hashlib.__doc__ example instead of MD5 (#138157) 2025-08-26 10:38:53 +00:00
heapq.py Indexing is more straight-forward (and faster) than unpacking (gh-145154) 2026-02-23 12:31:35 -06:00
hmac.py gh-142451: correctly copy HMAC attributes in HMAC.copy() (#142510) 2025-12-14 09:45:36 +01:00
imaplib.py gh-142307: deprecate legacy support for altering IMAP4.file (#142335) 2026-05-06 17:41:26 +03:00
inspect.py [3.15] gh-149083: use sentinel to fix _functools.reduce() signature (GH-149591) (#149653) 2026-05-10 23:32:35 +00:00
io.py gh-132952: Speed up startup by importing _io instead of io (#132957) 2025-04-28 08:38:56 -07:00
ipaddress.py gh-141497: Make ipaddress.IP{v4,v6}Network.hosts() always returning an iterator (GH-141547) 2025-11-17 19:29:06 +02:00
keyword.py gh-142349: Implement PEP 810 - Explicit lazy imports (#142351) 2026-02-12 00:15:33 +00:00
linecache.py gh-122255: Synchronize warnings in C and Python implementations of the warnings module (GH-122824) 2025-11-14 16:49:28 +02:00
locale.py gh-123853: Update locale.windows_locale (GH-123901) 2026-04-20 11:47:37 +03:00
lzma.py gh-132983: Introduce compression package and move _compression module (GH-133018) 2025-04-27 14:41:30 -07:00
mailbox.py bpo-32234: Allow mailbox instances as context managers (GH-4770) 2026-02-16 14:14:26 +01:00
mimetypes.py gh-142389: Add backticks to stdlib argparse help to display in colour (#149384) 2026-05-04 22:23:18 +00:00
modulefinder.py gh-84530: fix namespace package support in modulefinder (#29196) 2025-12-09 15:50:50 +00:00
netrc.py gh-139633: Run netrc file permission check only once per parse (GH-139634) 2026-03-30 22:05:18 +03:00
ntpath.py Fix pyflakes warnings: variable is assigned to but never used (#142294) 2025-12-08 14:00:31 +01:00
nturl2path.py
numbers.py gh-122450: Expand documentation for `Rational and Fraction` (#136800) 2025-08-04 02:15:59 +00:00
opcode.py gh-148871: extend and improve LOAD_COMMON_CONSTANT (GH-148971) 2026-05-02 19:59:51 +01:00
operator.py
optparse.py gh-141510: Use frozendict in the stdlib (#144909) 2026-03-06 10:25:09 +01:00
os.py gh-120057: add os.reload_environ to __all__ (#140763) 2025-10-29 21:21:26 +00:00
pdb.py gh-148615: Handle -- separator in pdb argument parsing (#148624) 2026-05-05 21:22:58 -07:00
pickle.py gh-142389: Add backticks to stdlib argparse help to display in colour (#149384) 2026-05-04 22:23:18 +00:00
pickletools.py gh-142389: Add backticks to stdlib argparse help to display in colour (#149384) 2026-05-04 22:23:18 +00:00
pkgutil.py gh-148641: Implement PEP 829 - startup configuration files (#149109) 2026-05-03 17:17:29 +00:00
platform.py gh-142389: Add backticks to stdlib argparse help to display in colour (#149384) 2026-05-04 22:23:18 +00:00
plistlib.py gh-141510: Support frozendict in plistlib (#145590) 2026-03-31 15:45:23 +03:00
poplib.py gh-143923: Reject control characters in POP3 commands 2026-01-20 20:46:32 +00:00
posixpath.py gh-74453: Deprecate os.path.commonprefix (#144436) 2026-02-05 22:37:05 +02:00
pprint.py gh-149189: Modern defaults for pprint (#149190) 2026-05-05 15:04:05 +03:00
profile.py GH-65961: Stop setting __cached__ on modules (GH-142165) 2025-12-11 11:44:46 -08:00
pstats.py gh-140137: Handle empty collections in profiling.sampling (#140154) 2025-10-15 14:59:12 +01:00
pty.py
py_compile.py gh-142389: Add backticks to stdlib argparse help to display in colour (#149384) 2026-05-04 22:23:18 +00:00
pyclbr.py Fix pyflakes warnings: variable is assigned to but never used (#142294) 2025-12-08 14:00:31 +01:00
pydoc.py gh-145035: Allows removing the _pyrepl module to completely disable the modern REPL (GH-145159) 2026-03-10 14:58:32 +01:00
queue.py Fix Queue.shutdown docs for condition to unblock a join (gh-137088) 2025-07-25 07:56:28 -06:00
quopri.py
random.py gh-142389: Add backticks to stdlib argparse help to display in colour (#149384) 2026-05-04 22:23:18 +00:00
reprlib.py gh-135487: fix reprlib.Repr.repr_int when given very large integers (#135506) 2025-06-24 11:09:46 +00:00
rlcompleter.py [3.15] gh-112821: Fix rlcompleter failures on objects with descriptors (GH-149577) (#149656) 2026-05-11 12:07:50 -04:00
runpy.py gh-149117: Set ImportError.name on errors from runpy.run_module/run_path (gh-149159) 2026-05-02 12:27:23 +10:00
sched.py
secrets.py
selectors.py
shelve.py Drop three unused imports (#141875) 2025-11-23 16:33:05 +00:00
shlex.py gh-138804: Check type in shlex.quote (GH-138809) 2025-09-12 14:26:21 -04:00
shutil.py gh-146581: Fix vulnerability in shutil.unpack_archive() for ZIP files on Windows (GH-146591) 2026-04-27 21:43:15 +03:00
signal.py
site.py gh-148641: Implement PEP 829 - startup configuration files (#149109) 2026-05-03 17:17:29 +00:00
smtplib.py gh-70039: smtplib: store the server name in ._host in .connect() (#115259) 2026-04-08 17:46:25 -04:00
socket.py gh-148599: Update WSA socket error codes (#148033) 2026-05-06 19:52:23 +02:00
socketserver.py gh-76007: Deprecate __version__ attribute (#138675) 2025-09-29 12:03:23 +03:00
ssl.py gh-141510: Use frozendict in the stdlib (#144909) 2026-03-06 10:25:09 +01:00
stat.py gh-144050: Fix stat.filemode pure Python file type detection (GH-144059) 2026-01-20 14:05:42 +02:00
statistics.py statistics: Fix geometric_mean() error message for negative inputs (#149246) 2026-05-01 22:54:24 -05:00
stringprep.py
struct.py
subprocess.py gh-47798: Refactor the POSIX subprocess.Popen._communicate selector loop into helpers (GH-149032) 2026-04-27 00:40:20 +00:00
symtable.py gh-141510: Use frozendict in the stdlib (#144909) 2026-03-06 10:25:09 +01:00
tabnanny.py gh-76007: Deprecate __version__ attribute (#138675) 2025-09-29 12:03:23 +03:00
tarfile.py [3.15] gh-149486: tarfile.data_filter: validate written link target (GH-149487) (GH-149553) 2026-05-11 11:57:32 +02:00
tempfile.py gh-66305: Fix a hang on Windows in the tempfile module (GH-144672) 2026-02-24 13:05:06 +02:00
textwrap.py gh-139065: Fix trailing space before long word in textwrap (GH-139070) 2025-10-10 16:29:18 +03:00
this.py
threading.py gh-124397: Add free-threading support for iterators. (gh-148894) 2026-05-01 16:31:00 -05:00
timeit.py gh-142389: Add backticks to stdlib argparse help to display in colour (#149384) 2026-05-04 22:23:18 +00:00
token.py gh-131507: Add support for syntax highlighting in PyREPL (GH-133247) 2025-05-02 20:22:31 +02:00
tokenize.py gh-142389: Add backticks to stdlib argparse help to display in colour (#149384) 2026-05-04 22:23:18 +00:00
trace.py gh-142389: Add backticks to stdlib argparse help to display in colour (#149384) 2026-05-04 22:23:18 +00:00
traceback.py gh-144384: Lazily import _colorize (#149318) 2026-05-06 16:07:43 +00:00
tracemalloc.py
tty.py
turtle.py Fix pyflakes warnings: variable is assigned to but never used (#142294) 2025-12-08 14:00:31 +01:00
types.py gh-142349: Implement PEP 810 - Explicit lazy imports (#142351) 2026-02-12 00:15:33 +00:00
typing.py gh-149415: Replace typing._LazyAnnotationLib with lazy import (#149416) 2026-05-06 12:58:45 +00:00
uuid.py gh-142389: Add backticks to stdlib argparse help to display in colour (#149384) 2026-05-04 22:23:18 +00:00
warnings.py
wave.py gh-117716: Fix wave RIFF padding for data chunks (GH-145237) 2026-04-15 14:21:43 +02:00
weakref.py gh-124748: Fix handling kwargs in WeakKeyDictionary.update() (#124783) 2026-02-18 13:17:08 +00:00
webbrowser.py gh-137586: Replace 'osascript' with 'open' on macOS in webbrowser (#146439) 2026-05-06 16:56:17 +03:00
zipapp.py gh-142389: Add backticks to stdlib argparse help to display in colour (#149384) 2026-05-04 22:23:18 +00:00
zipimport.py gh-135801: Add the module parameter to compile() etc (GH-139652) 2025-11-13 13:21:32 +02:00