cpython/Lib
elenril b413bc7a1f
bpo-39100: _header_value_parser: do not treat a Group as invalid-mailbox (#24872)
When an address in an address-list has garbage at the end, the code will
currently:

1. change the mailbox in the last parsed address into invalid-mailbox by
   overriding its token_type;
2. wrap the trailing garbage into another invalid-mailbox and append it
   to the last parsed address.

However, that does not take into account that an address may
also contain a Group instead of a single mailbox. In that case,
overwriting token_type leads to undesirable results, e.g. parsing an
email with the following 'To' header:

unlisted-recipients:; (no To-header on input)

raises an AttributeError from trying to treat the Group as a Mailbox.

Moreover it is questionable whether the previously parsed mailbox should
be treated as invalid in addition to the trailing garbage.

Address both of the above by wrapping the trailing garbage in a new
Address with a single invalid-mailbox, and append it to the AddressList
directly.

Changes the results of the
test_get_address_list_mailboxes_invalid_addresses test, where the
address list is now parsed into 4 mailboxes instead of 3 (all but the
first one are invalid).
2026-04-30 13:24:23 -04:00
..
__phello__
_pyrepl gh-148105: _pyrepl: switch console refresh to structured rendered screens (#146584) 2026-04-08 23:42:26 +01:00
asyncio gh-140287: Handle PYTHONSTARTUP script exceptions in the asyncio REPL (#140288) 2026-04-25 15:24:40 +01:00
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-146547: Use lazy imports in ctypes (GH-146548) 2026-04-07 15:26:53 +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 bpo-39100: _header_value_parser: do not treat a Group as invalid-mailbox (#24872) 2026-04-30 13:24:23 -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-149148: Upgrade bundled pip to 26.1 (#149150) 2026-04-29 17:36:01 +03:00
html gh-140875: Fix handling of unclosed charrefs before EOF in HTMLParser (GH-140904) 2025-11-19 13:55:10 +02:00
http gh-113471: Add custom default Content-Type to http.server (#113475) 2026-04-30 18:00:48 +03:00
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 gh-132631: Fix "I/O operation on closed file" when parsing JSON Lines file (#132632) 2026-04-23 15:27:02 +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-139174: Prepare pathlib.Path.info for new methods (part 2) (#140155) 2025-10-18 02:13:25 +01:00
profiling gh-142927: Show module names instead of file paths in flamegraph (#146040) 2026-04-29 10:00:07 +01:00
pydoc_data Python 3.15.0a8 2026-04-07 14:24:03 +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-135883: Fix sqlite3 CLI history scrolling with colored prompts (#135884) 2026-03-03 19:48:03 +01:00
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 bpo-39100: _header_value_parser: do not treat a Group as invalid-mailbox (#24872) 2026-04-30 13:24:23 -04:00
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 gh-147991: Speed up tomllib import time (GH-147992) 2026-04-30 18:25:32 +02:00
turtledemo gh-137586: Open external osascript program with absolute path (GH-137584) 2026-04-06 09:42:10 -07:00
unittest gh-145754: Update signature retrieval in unittest.mock to use forwardref annotation format (#145756) 2026-03-19 19:39:41 -07:00
urllib gh-144148: Update the urllib.parse documentation (GH-144497) 2026-02-05 16:32:17 +02:00
venv gh-96894: Do not turn echo off for subsequent commands in batch activators (GH-96895) 2026-04-13 11:50:46 +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 gh-144270: Make SubElement parent and tag positional-only (GH-144845) 2026-03-30 19:42:24 +03:00
xmlrpc gh-136839: Refactor simple dict.update calls (#136811) 2025-07-19 10:12:10 -07:00
zipfile gh-146581: Fix vulnerability in shutil.unpack_archive() for ZIP files on Windows (GH-146591) 2026-04-27 21:43:15 +03:00
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 gh-126925: Modify how iOS test results are gathered (#127592) 2024-12-09 13:28:57 +08:00
_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-149026: Add colour to pickletools CLI output (#149027) 2026-04-29 18:33:05 +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 _markupbase.py: Use a permalink for the analysis of MS-Word extensions (GH-129017) 2025-02-06 11:40:43 +01:00
_opcode_metadata.py GH-145668: Add FOR_ITER specialization for virtual iterators. Specialize GET_ITER. (GH-147967) 2026-04-16 15:22:22 +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-146358: Fix warnings.catch_warnings on Free Threading (#146374) 2026-03-25 14:34:50 +01:00
_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 gh-66419: Make optional arguments with nargs=REMAINDER consume all arguments (GH-124509) 2026-03-18 17:04:11 +02:00
ast.py gh-148981: Add color parameter to ast.dump (#148982) 2026-04-26 10:15:54 +01:00
base64.py gh-146311: Reject non-canonical padding bits in base32, 64, & 85 decoding (GH-146312) 2026-04-25 16:02:51 -07:00
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-140212: Add html for year-month option in Calendar (#140230) 2025-10-31 17:28:53 +02:00
cmd.py gh-133363: Fix Cmd completion for lines beginning with ! (#133364) 2025-05-03 22:50:37 -04:00
code.py gh-135103: Remove an unused local variable in Lib/code.py (GH-135104) 2025-06-04 13:57:31 +09:00
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-144278: Enable overriding sys.implementation's name and cache_tag when building sysmodule.c (GH-144293) 2026-02-10 00:01:17 +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-149083: Convert dataclasses.MISSING and dataclasses.KW_ONLY to sentinels (#149086) 2026-04-29 19:39:29 -07:00
datetime.py
decimal.py gh-76007: Deprecate __version__ attribute in decimal (#140302) 2025-10-26 12:01:04 +01:00
difflib.py gh-145131: difflib.Differ._fancy_replace performance (re-use ratio) (#145133) 2026-02-22 19:59:40 -06:00
dis.py gh-142349: Implement PEP 810 - Explicit lazy imports (#142351) 2026-02-12 00:15:33 +00:00
doctest.py gh-69113: Fix doctest to report line numbers for __test__ strings (#141624) 2025-12-06 15:47:08 -05:00
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 gh-141510: Use frozendict in the stdlib (#144909) 2026-03-06 10:25:09 +01:00
genericpath.py gh-74453: Deprecate os.path.commonprefix (#144436) 2026-02-05 22:37:05 +02:00
getopt.py gh-126946: Improve error message in getopt.do_longs based on existing comment (GH-126871) 2024-11-26 10:54:02 +02:00
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 Remove some dead code from gzip and tarfile (#138123) 2025-08-25 16:23:47 +03:00
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-143921: Reject control characters in IMAP commands 2026-01-20 20:45:42 +00:00
inspect.py gh-134690: Removed deprecated codetype.co_lnotab (#134691) 2026-04-25 19:13:48 +03:00
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-145719: Add .efi file detection in mimetypes (#145720) 2026-03-23 22:16:41 +02:00
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 GH-125866: Deprecate nturl2path module (#131432) 2025-03-19 19:33:01 +00:00
numbers.py gh-122450: Expand documentation for `Rational and Fraction` (#136800) 2025-08-04 02:15:59 +00:00
opcode.py GH-145668: Add FOR_ITER specialization for virtual iterators. Specialize GET_ITER. (GH-147967) 2026-04-16 15:22:22 +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-145378: Use PyREPL as the default input console for pdb (#145379) 2026-04-29 22:55:09 -07:00
pickle.py gh-77188: Add support for pickling private methods and nested classes (GH-21480) 2026-02-05 19:50:51 +00:00
pickletools.py gh-149026: Add colour to pickletools CLI output (#149027) 2026-04-29 18:33:05 +03:00
pkgutil.py gh-146121: Clarify security model of pkgutil.getdata; revert checks (GH-148197) 2026-04-07 11:39:50 +02:00
platform.py gh-141510: Use frozendict in the stdlib (#144909) 2026-03-06 10:25:09 +01:00
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-134551: Add t-strings support to pprint (#134577) 2026-04-14 14:37:41 +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-144278: Enable overriding sys.implementation's name and cache_tag when building sysmodule.c (GH-144293) 2026-02-10 00:01:17 +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 Minor edit: Move comments closer to the code they describe (gh-136477) 2025-07-09 10:23:46 -07:00
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 gh-142349: Implement PEP 810 - Explicit lazy imports (#142351) 2026-02-12 00:15:33 +00:00
runpy.py GH-65961: Stop setting __cached__ on modules (GH-142165) 2025-12-11 11:44:46 -08:00
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-145035: Allows removing the _pyrepl module to completely disable the modern REPL (GH-145159) 2026-03-10 14:58:32 +01:00
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-146139: Disable socketpair authentication on WASI (#146140) 2026-04-13 21:06:36 +00:00
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 Speed up counting in statistics.fmean() (gh-148875) 2026-04-22 22:06:56 -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 gh-141707: Skip TarInfo DIRTYPE normalization during GNU long name handling 2026-03-11 13:47:55 +00:00
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-114827: clarify threading.Event.wait timeout behavior (#114834) 2025-10-14 11:34:53 +03:00
timeit.py gh-148254: Use singular "sec" in timeit verbose output (#148290) 2026-04-09 17:37:19 +03:00
token.py gh-131507: Add support for syntax highlighting in PyREPL (GH-133247) 2025-05-02 20:22:31 +02:00
tokenize.py gh-148991: Add colour to tokenize CLI output (#148992) 2026-04-26 22:14:33 +03:00
trace.py GH-65961: Stop setting __cached__ on modules (GH-142165) 2025-12-11 11:44:46 -08:00
traceback.py gh-130273: Fix traceback color output with unicode characters (GH-142529) 2026-04-07 15:05:23 +02:00
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-148829: Implement PEP 661 (#148831) 2026-04-27 19:28:30 -07:00
uuid.py gh-148740: Fix uuid CLI with custom UUIDs for UUIDv3/v5 namespaces (#148741) 2026-04-29 15:44:22 +02:00
warnings.py gh-128384: Use a context variable for warnings.catch_warnings (gh-130010) 2025-04-09 16:18:54 -07:00
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-148169: Fix webbrowser %action substitution bypass of dash-prefix check (#148170) 2026-04-13 19:02:52 +00:00
zipapp.py gh-130645: Add color to stdlib argparse CLIs (gh-133380) 2025-05-05 19:46:46 +02:00
zipimport.py gh-135801: Add the module parameter to compile() etc (GH-139652) 2025-11-13 13:21:32 +02:00