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cpython/Lib
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Itamar Ostricher 85c7bf5bce
gh-103793: Defer formatting task name (#103767) 
The default task name is "Task-<counter>" (if no name is passed in during Task creation).
This is initialized in `Task.__init__` (C impl) using string formatting, which can be quite slow.
Actually using the task name in real world code is not very common, so this is wasted init.

Let's defer this string formatting to the first time the name is read (in `get_name` impl),
so we don't need to pay the string formatting cost if the task name is never read.

We don't change the order in which tasks are assigned numbers (if they are) --
the number is set on task creation, as a PyLong instead of a formatted string.

Co-authored-by: Łukasz Langa <lukasz@langa.pl>
2023-04-29 08:20:09 -07:00
..
__phello__
asyncio gh-83925: Make asyncio.subprocess communicate similar to non-asyncio (#18650) 2023-04-27 17:30:26 -07:00
collections gh-103092: Isolate _collections (#103093) 2023-04-12 18:21:28 +05:30
concurrent gh-94440: Fix issue of ProcessPoolExecutor shutdown hanging (#94468) 2023-03-15 21:44:52 -07:00
ctypes Fix typo in _swappedbytes_ in ctypes comment (#102773) 2023-03-25 16:38:24 -07:00
curses gh-60436: fix curses textbox backspace/del (#103783) 2023-04-26 22:54:07 +02:00
dbm
email GH-103857: Deprecate utcnow and utcfromtimestamp (#103858) 2023-04-27 11:32:30 -06:00
encodings gh-98433: Fix quadratic time idna decoding. (#99092) 2022-11-07 16:54:41 -08:00
ensurepip gh-103872: Update bundled pip version to 23.1.2 (gh-103873) 2023-04-26 10:22:25 +00:00
html gh-100210: Correct the comment link for unescaping HTML (#100212) 2023-02-19 11:18:12 +01:00
http GH-103857: Deprecate utcnow and utcfromtimestamp (#103858) 2023-04-27 11:32:30 -06:00
idlelib Change 'dependant' to 'dependent' (#103745) 2023-04-24 09:40:30 -04:00
importlib gh-87729: specialize LOAD_SUPER_ATTR_METHOD (#103809) 2023-04-25 17:45:51 +00:00
json gh-96959: Update HTTP links which are redirected to HTTPS (GH-96961) 2022-09-24 14:38:53 +03:00
lib2to3 gh-54781: Move Lib/lib2to3/tests/ to Lib/test/test_lib2to3/ (#94049) 2022-06-21 15:21:22 +02:00
logging gh-103357: Add logging.Formatter defaults support to logging.config fileConfig and dictConfig (GH-103359) 2023-04-12 08:35:56 +01:00
msilib
multiprocessing gh-84559: Remove the new multiprocessing warning, too disruptive. (#101551) 2023-02-03 15:20:46 -08:00
pydoc_data Python 3.12.0a7 2023-04-04 17:52:42 +02:00
re gh-91524: Speed up the regular expression substitution (#91525) 2022-10-23 15:57:30 -07:00
site-packages
sqlite3 gh-102628: Fix sqlite3 CLI prompt in IDLE on Windows (#103945) 2023-04-27 21:22:26 +00:00
test gh-103793: Defer formatting task name (#103767) 2023-04-29 08:20:09 -07:00
tkinter gh-103685: Fix tkinter.Menu.index() for Tk 8.7 (#103686) 2023-04-23 21:31:44 -04:00
tomllib
turtledemo gh-91212: Fixed flickering when the tracer is turned off (#95129) 2022-09-28 23:40:51 -07:00
unittest gh-62432: unittest runner: Exit code 5 if no tests were run (#102051) 2023-04-27 01:28:46 +00:00
urllib gh-81403: Fix for CacheFTPHandler in urllib (#13951) 2023-04-22 21:41:23 -07:00
venv gh-95299: Stop installing setuptools as a part of ensurepip and venv (#101039) 2023-04-17 23:43:34 -05:00
wsgiref bpo-45975: Simplify some while-loops with walrus operator (GH-29347) 2022-11-26 14:33:25 -08:00
xml gh-83122: Deprecate testing element truth values in ElementTree (#31149) 2023-01-22 17:16:48 -08:00
xmlrpc bpo-45975: Simplify some while-loops with walrus operator (GH-29347) 2022-11-26 14:33:25 -08:00
zipfile gh-86094: Add support for Unicode Path Extra Field in ZipFile (gh-102566) 2023-04-05 20:54:48 +09:00
zoneinfo Fix typos in documentation and comments (GH-102374) 2023-03-02 07:26:49 -08:00
__future__.py gh-93626: Set the release for __future__.annotations to None (GH-93628) 2022-07-05 10:46:39 +02:00
__hello__.py
_aix_support.py gh-96305: Fix AIX build by avoiding subprocess during bootstrap (#96429) 2023-02-02 12:30:49 -08:00
_collections_abc.py gh-102721: Improve coverage of _collections_abc._CallableGenericAlias (#102722) 2023-03-16 14:47:30 +00:00
_compat_pickle.py
_compression.py
_markupbase.py
_osx_support.py
_py_abc.py
_pydecimal.py gh-86682: Adds sys._getframemodulename as an alternative to using _getframe (GH-99520) 2023-01-13 11:31:06 +00:00
_pyio.py bpo-45975: Simplify some while-loops with walrus operator (GH-29347) 2022-11-26 14:33:25 -08:00
_pylong.py gh-102515: Remove unused imports in the Lib/ directory (#102516) 2023-03-08 11:45:38 +00:00
_sitebuiltins.py
_strptime.py GH-90750: Use datetime.fromisocalendar in _strptime (#103802) 2023-04-27 10:27:27 -06:00
_threading_local.py
_weakrefset.py
abc.py gh-87864: Use correct function definition syntax in the docs (#103312) 2023-04-11 16:50:25 +03:00
aifc.py
antigravity.py
argparse.py gh-101979: argparse: fix a bug where parentheses in metavar argument of add_argument() were dropped (#102318) 2023-03-05 06:54:33 -08:00
ast.py gh-103285: Rewrite _splitlines_no_ff to improve performance (#103307) 2023-04-23 23:03:49 -06:00
base64.py GH-102456: Fix docstring and getopt options for base64 (gh-102457) 2023-04-02 14:05:50 +09:00
bdb.py gh-101517: fix line number propagation in code generated for except* (#103550) 2023-04-24 21:58:51 +01:00
bisect.py GH-102833: Mention the key function in the docstrings (GH-103009) 2023-03-25 02:19:20 -05:00
bz2.py
calendar.py gh-103636: issue warning for deprecated calendar constants (#103833) 2023-04-29 01:16:46 -06:00
cgi.py
cgitb.py bpo-44712: Replace "type(literal)" with corresponding builtin types (GH-27294) 2022-05-08 17:10:11 +03:00
chunk.py
cmd.py gh-67248: cmd: Sort miscellaneous help topics (#92254) 2022-05-03 21:36:52 -06:00
code.py gh-102778: Add sys.last_exc, deprecate sys.last_type, sys.last_value,sys.last_traceback (#102779) 2023-03-18 11:47:11 +00:00
codecs.py gh-51511: Note that codecs.open()'s encoding parameter affects automatic conversion to binary mode (#94370) 2022-10-21 16:01:05 -07:00
codeop.py gh-96052: codeop: fix handling compiler warnings in incomplete input (GH-96132) 2022-09-16 17:37:30 +03:00
colorsys.py
compileall.py GH-84559: Deprecate fork being the multiprocessing default. (#100618) 2023-02-02 15:50:35 -08:00
configparser.py gh-100520: Fix rst markup in configparser docstrings (#100524) 2022-12-26 17:08:49 +05:30
contextlib.py gh-103791: Make contextlib.suppress also act on exceptions within an ExceptionGroup (#103792) 2023-04-24 22:17:02 +00:00
contextvars.py
copy.py gh-100815: Normalize types module usage in copy module (#100816) 2023-01-07 21:29:53 +00:00
copyreg.py gh-99325: Remove unused NameError handling (#99326) 2022-11-11 09:56:57 +00:00
cProfile.py gh-103935: Use io.open_code() when executing code in trace and profile modules (GH-103947) 2023-04-27 20:29:35 +00:00
crypt.py gh-95231: Disable md5 & crypt modules if FIPS is enabled (GH-94742) 2022-08-15 07:48:07 -07:00
csv.py gh-67230: add quoting rules to csv module (GH-29469) 2023-04-12 15:32:30 -07:00
dataclasses.py gh-103449: Fix a bug in dataclass docstring generation (#103454) 2023-04-17 17:33:22 -06:00
datetime.py GH-103857: Deprecate utcnow and utcfromtimestamp (#103858) 2023-04-27 11:32:30 -06:00
decimal.py
difflib.py Correct method name typo (#91970) 2022-04-27 15:28:56 -06:00
dis.py GH-99944: Make dis display the value of oparg of KW_NAMES (#103856) 2023-04-26 19:00:36 +01:00
doctest.py gh-86682: Adds sys._getframemodulename as an alternative to using _getframe (GH-99520) 2023-01-13 11:31:06 +00:00
enum.py gh-103596: [Enum] do not shadow mixed-in methods/attributes (GH-103600) 2023-04-18 16:19:23 -07:00
filecmp.py gh-93991: Use boolean instead of 0/1 for condition check (GH-93992) 2022-06-19 07:12:59 -07:00
fileinput.py gh-101961 fileinput.hookcompressed should not set the encoding value for the binary mode (gh-102068) 2023-02-21 12:10:29 +09:00
fnmatch.py gh-89973: Fix re.error in the fnmatch module. (GH-93072) 2022-06-05 11:46:29 +03:00
fractions.py gh-101825: Clarify that as_integer_ratio() output is always normalized (#101843) 2023-02-27 19:11:28 +00:00
ftplib.py bpo-45975: Simplify some while-loops with walrus operator (GH-29347) 2022-11-26 14:33:25 -08:00
functools.py gh-87634: remove locking from functools.cached_property (GH-101890) 2023-02-22 17:49:22 -08:00
genericpath.py gh-101196: Make isdir/isfile/exists faster on Windows (GH-101324) 2023-02-08 14:34:24 +00:00
getopt.py bpo-44712: Replace "type(literal)" with corresponding builtin types (GH-27294) 2022-05-08 17:10:11 +03:00
getpass.py
gettext.py
glob.py
graphlib.py
gzip.py gh-95534: Improve gzip reading speed by 10% (#97664) 2022-10-16 19:10:58 -07:00
hashlib.py gh-99108: Refactor _sha256 & _sha512 into _sha2. (#101924) 2023-02-15 22:08:20 -08:00
heapq.py
hmac.py
imaplib.py gh-94172: Remove keyfile, certfile and check_hostname parameters (#94173) 2022-11-03 18:32:25 +01:00
imghdr.py gh-85455: Add missing doc strings and improve docs (#21573) 2022-10-15 09:31:06 -04:00
inspect.py gh-103556: [inspect.Signature] disallow pos-or-kw params without default after pos-only with default (#103557) 2023-04-21 23:45:10 -06:00
io.py gh-94169: Remove deprecated io.OpenWrapper (#94170) 2022-06-24 08:46:53 +02:00
ipaddress.py ipaddress: Remove non-existent ip_str param from docstring (#103461) 2023-04-14 00:44:10 -07:00
keyword.py
linecache.py gh-92336: linecache.getline should not raise exceptions on decoding errors (GH-94410) 2022-06-30 10:18:18 +01:00
locale.py gh-74940: Allow fallback to UTF-8 encoding on systems with no locales installed (GH-14925) 2023-04-26 15:33:09 +09:00
lzma.py
mailbox.py bpo-45975: Simplify some while-loops with walrus operator (GH-29347) 2022-11-26 14:33:25 -08:00
mailcap.py bpo-45975: Simplify some while-loops with walrus operator (GH-29347) 2022-11-26 14:33:25 -08:00
mimetypes.py bpo-45975: Simplify some while-loops with walrus operator (GH-29347) 2022-11-26 14:33:25 -08:00
modulefinder.py
netrc.py netrc: Remove unused "import shlex" (#93311) 2022-06-03 20:14:58 -07:00
nntplib.py
ntpath.py GH-103220: Fix ntpath.join() of partial UNC drive with trailing slash (GH-103221) 2023-04-11 17:26:45 +01:00
nturl2path.py
numbers.py gh-68163: Correct conversion of Rational instances to float (GH-25619) 2022-09-04 13:15:59 +01:00
opcode.py gh-87729: specialize LOAD_SUPER_ATTR_METHOD (#103809) 2023-04-25 17:45:51 +00:00
operator.py
optparse.py
os.py gh-89727: Improve os.walk complexity (#100671) 2023-01-02 13:41:19 -08:00
pathlib.py GH-78079: Fix UNC device path root normalization in pathlib (GH-102003) 2023-04-14 21:55:41 +01:00
pdb.py gh-103578: Fix pdb reading code with non-utf8 encoding (#103581) 2023-04-25 23:04:51 -06:00
pickle.py gh-102799: use exception instance instead of sys.exc_info() (#102885) 2023-03-31 11:23:02 +01:00
pickletools.py
pipes.py
pkgutil.py gh-98040: Remove just the imp module (#98573) 2023-04-28 16:17:58 -07:00
platform.py gh-102491: Remove IronPython version check in sys_version (#102492) 2023-03-19 15:52:47 -07:00
plistlib.py gh-101992: update pstlib module documentation (#102133) 2023-03-04 13:35:25 -08:00
poplib.py gh-94172: Remove keyfile, certfile and check_hostname parameters (#94173) 2022-11-03 18:32:25 +01:00
posixpath.py gh-101196: Make isdir/isfile/exists faster on Windows (GH-101324) 2023-02-08 14:34:24 +00:00
pprint.py gh-92546: Move pprint benchmark into pyperformance (GH-94613) 2022-07-25 11:30:13 -07:00
profile.py gh-103935: Use io.open_code() when executing code in trace and profile modules (GH-103947) 2023-04-27 20:29:35 +00:00
pstats.py bpo-45975: Simplify some while-loops with walrus operator (GH-29347) 2022-11-26 14:33:25 -08:00
pty.py gh-85984: Remove legacy Lib/pty.py code. (#92365) 2023-02-08 17:00:17 -08:00
py_compile.py
pyclbr.py
pydoc.py gh-98040: Remove just the imp module (#98573) 2023-04-28 16:17:58 -07:00
queue.py
quopri.py bpo-45975: Simplify some while-loops with walrus operator (GH-29347) 2022-11-26 14:33:25 -08:00
random.py Move binomialvariate() to a section for discrete distributions (GH-102955) 2023-03-23 12:10:12 -05:00
reprlib.py gh-92734: Add indentation feature to reprlib.Repr (GH-92735) 2022-09-08 13:51:44 -05:00
rlcompleter.py gh-92345: Import rlcompleter before sys.path is extended (#92346) 2022-05-05 21:24:16 +02:00
runpy.py gh-98040: Remove just the imp module (#98573) 2023-04-28 16:17:58 -07:00
sched.py
secrets.py gh-99305: Speed up secrets.token_hex() ~2x (#99306) 2022-11-11 14:45:24 -08:00
selectors.py
shelve.py
shlex.py bpo-45975: Simplify some while-loops with walrus operator (GH-29347) 2022-11-26 14:33:25 -08:00
shutil.py gh-82814: fix shutil access error on WSL (#103790) 2023-04-25 00:45:38 +00:00
signal.py
site.py gh-102038: Skip a sometimes unnecessary stat in site.py (#102039) 2023-04-02 15:47:31 -07:00
smtplib.py bpo-45975: Simplify some while-loops with walrus operator (GH-29347) 2022-11-26 14:33:25 -08:00
sndhdr.py gh-85525: Indicate supported sound header formats (#21575) 2022-10-15 09:30:05 -04:00
socket.py Fix broken link to MSDN (#102355) 2023-03-13 15:15:52 +02:00
socketserver.py gh-103673: Add missing ForkingUnixStreamServer and ForkingUnixDatagramServer socketservers (#103674) 2023-04-24 22:35:52 +00:00
sre_compile.py
sre_constants.py
sre_parse.py
ssl.py gh-94199: Remove the ssl.wrap_socket() function (#94203) 2022-07-08 15:20:15 +02:00
stat.py
statistics.py GH-102670: Use sumprod() to simplify, speed up, and improve accuracy of statistics functions (GH-102649) 2023-03-13 20:06:43 -05:00
string.py
stringprep.py
struct.py
subprocess.py gh-101283: Fix use of unbound variable (GH-101712) 2023-02-08 23:38:56 +00:00
sunau.py bpo-44712: Replace "type(literal)" with corresponding builtin types (GH-27294) 2022-05-08 17:10:11 +03:00
symtable.py Change list to view object (#93661) 2022-06-11 11:54:31 +01:00
sysconfig.py gh-102515: Remove unused imports in the Lib/ directory (#102516) 2023-03-08 11:45:38 +00:00
tabnanny.py gh-63301: Set exit code when tabnanny CLI exits on error (#7699) 2023-03-04 13:32:13 -08:00
tarfile.py gh-102950: Implement PEP 706 – Filter for tarfile.extractall (#102953) 2023-04-24 10:58:06 +02:00
telnetlib.py gh-91217: deprecate telnetlib (GH-91958) 2022-04-26 10:45:08 -07:00
tempfile.py gh-51574: Make tempfile.mkdtemp() always return absolute paths (#94612) 2023-04-25 16:05:59 +00:00
textwrap.py
this.py
threading.py gh-100228: Warn from os.fork() if other threads exist. (#100229) 2022-12-29 14:41:39 -08:00
timeit.py gh-90085: Remove vestigial -t and -c timeit options (#94941) 2022-10-07 15:38:20 -07:00
token.py gh-102856: Initial implementation of PEP 701 (#102855) 2023-04-19 11:18:16 -05:00
tokenize.py
trace.py gh-103935: Use io.open_code() when executing code in trace and profile modules (GH-103947) 2023-04-27 20:29:35 +00:00
traceback.py gh-102778: Add sys.last_exc, deprecate sys.last_type, sys.last_value,sys.last_traceback (#102779) 2023-03-18 11:47:11 +00:00
tracemalloc.py
tty.py
turtle.py gh-101100: Fix Sphinx warnings in turtle module (#102340) 2023-03-13 11:24:52 +02:00
types.py gh-101688: Implement types.get_original_bases (#101827) 2023-04-23 20:24:30 +01:00
typing.py GH-103699: Add __orig_bases__ to various typing classes (#103698) 2023-04-23 08:33:39 -06:00
uu.py gh-91217: deprecate uu (GH-92009) 2022-04-27 20:26:33 -07:00
uuid.py Update MAC_address wikipedia URL in comments (#29019) 2023-04-26 14:27:03 -06:00
warnings.py gh-39615: Add warnings.warn() skip_file_prefixes support (#100840) 2023-01-27 18:35:14 -08:00
wave.py gh-77171: Fixes SubFormat check to compare the entire value. Add docs (GH-97509) 2022-09-23 16:08:21 +01:00
weakref.py
webbrowser.py bpo-44844: Enable detection of Microsoft Edge browser in webbrowser module (GH-29908) 2023-04-04 17:00:03 +01:00
xdrlib.py bpo-45975: Simplify some while-loops with walrus operator (GH-29347) 2022-11-26 14:33:25 -08:00
zipapp.py bpo-46951: Order contents of zipapps (GH-31713) 2022-05-27 19:04:29 +03:00
zipimport.py GH-87235: Make sure "python /dev/fd/9 9</path/to/script.py" works on macOS (#99768) 2022-11-27 11:56:14 +01:00