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Paul Ganssle 62972d9d73
bpo-40503: PEP 615: Tests and implementation for zoneinfo (GH-19909) 
This is the initial implementation of PEP 615, the zoneinfo module,
ported from the standalone reference implementation (see
https://www.python.org/dev/peps/pep-0615/#reference-implementation for a
link, which has a more detailed commit history).

This includes (hopefully) all functional elements described in the PEP,
but documentation is found in a separate PR. This includes:

1. A pure python implementation of the ZoneInfo class
2. A C accelerated implementation of the ZoneInfo class
3. Tests with 100% branch coverage for the Python code (though C code
   coverage is less than 100%).
4. A compile-time configuration option on Linux (though not on Windows)

Differences from the reference implementation:

- The module is arranged slightly differently: the accelerated module is
  `_zoneinfo` rather than `zoneinfo._czoneinfo`, which also necessitates
  some changes in the test support function. (Suggested by Victor
  Stinner and Steve Dower.)
- The tests are arranged slightly differently and do not include the
  property tests. The tests live at test/test_zoneinfo/test_zoneinfo.py
  rather than test/test_zoneinfo.py or test/test_zoneinfo/__init__.py
  because we may do some refactoring in the future that would likely
  require this separation anyway; we may:
        - include the property tests
        - automatically run all the tests against both pure Python and C,
          rather than manually constructing C and Python test classes (similar
          to the way this works with test_datetime.py, which generates C
          and Python test cases from datetimetester.py).
- This includes a compile-time configuration option on Linux (though not
  on Windows); added with much help from Thomas Wouters.
- Integration into the CPython build system is obviously different from
  building a standalone zoneinfo module wheel.
- This includes configuration to install the tzdata package as part of
  CI, though only on the coverage jobs. Introducing a PyPI dependency as
  part of the CI build was controversial, and this is seen as less of a
  major change, since the coverage jobs already depend on pip and PyPI.

Additional changes that were introduced as part of this PR, most / all of
which were backported to the reference implementation:

- Fixed reference and memory leaks

    With much debugging help from Pablo Galindo

- Added smoke tests ensuring that the C and Python modules are built

    The import machinery can be somewhat fragile, and the "seamlessly falls
    back to pure Python" nature of this module makes it so that a problem
    building the C extension or a failure to import the pure Python version
    might easily go unnoticed.

- Adjustments to zoneinfo.__dir__

    Suggested by Petr Viktorin.

- Slight refactorings as suggested by Steve Dower.

- Removed unnecessary if check on std_abbr

    Discovered this because of a missing line in branch coverage.
2020-05-16 10:20:06 +02:00
..
asyncio bpo-31033: Add a msg argument to Future.cancel() and Task.cancel() (GH-19979) 2020-05-15 16:55:50 -07:00
collections Expand the implementation comments (GH-19699) 2020-04-24 02:33:07 -07:00
concurrent bpo-40443: Remove unused imports in the stdlib (GH-19803) 2020-04-30 11:26:33 +02:00
ctypes bpo-40443: Remove unused imports in the stdlib (GH-19803) 2020-04-30 11:26:33 +02:00
curses [3.9] bpo-37116: Use PEP 570 syntax for positional-only parameters. (GH-12620) 2019-06-05 18:22:31 +03:00
dbm bpo-36232: Improve error message on dbm.open() when the db doesn't exist (GH-12060) 2019-04-29 16:23:28 -07:00
distutils bpo-40055: test_distutils leaves warnings filters unchanged (GH-20095) 2020-05-15 18:06:23 +02:00
email bpo-40597: email: Use CTE if lines are longer than max_line_length consistently (gh-20038) 2020-05-13 20:53:26 -04:00
encodings bpo-30566: Fix IndexError when using punycode codec (GH-18632) 2020-02-25 06:19:03 +03:00
ensurepip bpo-38662: ensurepip invokes pip via runpy (GH-18901) 2020-03-10 22:16:28 +01:00
html bpo-37328: remove deprecated HTMLParser.unescape (GH-14186) 2019-08-27 11:48:06 +09:00
http bpo-39481: PEP 585 for a variety of modules (GH-19423) 2020-04-10 07:46:36 -07:00
idlelib bpo-40460: Fix typo in idlelib/zzdummy.py (GH-20093) 2020-05-15 00:51:51 +02:00
importlib bpo-39791: Add files() to importlib.resources (GH-19722) 2020-05-08 19:20:26 -04:00
json bpo-39828: Fix json.tool to catch BrokenPipeError (GH-18779) 2020-03-10 08:41:44 +01:00
lib2to3 bpo-40360: Deprecate lib2to3 module in light of PEP 617 (GH-19663) 2020-04-24 11:19:46 -07:00
logging bpo-40300: Allow empty logging.Formatter.default_msec_format. (GH-19551) 2020-04-17 17:02:47 +01:00
msilib Remove binding of captured exceptions when not used to reduce the chances of creating cycles (GH-17246) 2019-11-19 21:34:03 +00:00
multiprocessing bpo-40443: Remove unused imports in stdlib (GH-19815) 2020-05-01 02:38:00 +02:00
pydoc_data Python 3.9.0a6 2020-04-27 22:44:04 +02:00
site-packages
sqlite3 bpo-39652: Truncate the column name after '[' only if PARSE_COLNAMES is set. (GH-18942) 2020-03-21 15:53:28 +02:00
test bpo-40503: PEP 615: Tests and implementation for zoneinfo (GH-19909) 2020-05-16 10:20:06 +02:00
tkinter bpo-39152: add missing ttk.Scale.configure return value (GH-17815) 2020-01-05 11:23:58 -05:00
turtledemo bpo-40431: Fix syntax typo in turtledemo (GH-19777) 2020-04-29 02:00:07 +02:00
unittest bpo-40462: fix variable and function names (GH-19832) 2020-05-01 05:49:35 -07:00
urllib bpo-39481: PEP 585 for a variety of modules (GH-19423) 2020-04-10 07:46:36 -07:00
venv bpo-38972: Link to instructions to change PowerShell execution policy (GH-19131) 2020-04-02 12:00:21 -07:00
wsgiref bpo-8138: Initialize wsgiref's SimpleServer as single-threaded (GH-12977) 2019-05-24 20:24:42 +03:00
xml bpo-40443: Remove unused imports in the stdlib (GH-19803) 2020-04-30 11:26:33 +02:00
xmlrpc bpo-38786: Add parsing of https links to pydoc (GH-17143) 2019-11-13 18:13:52 +02:00
zoneinfo bpo-40503: PEP 615: Tests and implementation for zoneinfo (GH-19909) 2020-05-16 10:20:06 +02:00
__future__.py bpo-39562: Prevent collision of future and compiler flags (GH-19230) 2020-04-22 18:09:03 +02:00
__phello__.foo.py
_aix_support.py bpo-39936: _aix_support uses _bootsubprocess (GH-18970) 2020-03-12 23:15:34 +01:00
_bootlocale.py
_bootsubprocess.py bpo-40094: Add os.waitstatus_to_exitcode() (GH-19201) 2020-04-01 18:49:29 +02:00
_collections_abc.py bpo-39481: Implementation for PEP 585 (#18239) 2020-04-07 09:50:06 -07:00
_compat_pickle.py bpo-37757: Disallow PEP 572 cases that expose implementation details (GH-15131) 2019-08-25 23:45:40 +10:00
_compression.py
_markupbase.py
_osx_support.py bpo-38360: macOS: support alternate form of -isysroot flag (GH-16480) 2020-04-22 03:44:10 -04:00
_py_abc.py bpo-37116: Use PEP 570 syntax for positional-only parameters. (GH-13700) 2019-06-01 11:00:15 +03:00
_pydecimal.py bpo-39794: Add --without-decimal-contextvar (#18702) 2020-02-29 19:43:42 +01:00
_pyio.py bpo-39674: Revert "bpo-37330: open() no longer accept 'U' in file mode (GH-16959)" (GH-18767) 2020-03-04 18:50:22 +01:00
_sitebuiltins.py
_strptime.py Fix outdated comment in _strptime.py (GH-17929) 2020-01-12 12:53:00 -08:00
_threading_local.py bpo-37116: Use PEP 570 syntax for positional-only parameters. (GH-13700) 2019-06-01 11:00:15 +03:00
_weakrefset.py bpo-39481: Make weakref and WeakSet generic (GH-19497) 2020-04-13 21:54:40 -07:00
abc.py
aifc.py bpo-37320: Remove openfp() of aifc, sunau and wave (GH-14169) 2019-06-18 00:00:24 +02:00
antigravity.py bpo-9216: Nobody expects the geohashing FIPS inquisition (GH-19520) 2020-04-14 12:49:11 -07:00
argparse.py bpo-39546: argparse: Honor allow_abbrev=False for specified prefix_chars (GH-18337) 2020-02-18 01:48:57 -08:00
ast.py bpo-40355: Improve error messages in ast.literal_eval with malformed Dict nodes (GH-19868) 2020-05-05 20:40:56 +01:00
asynchat.py Remove binding of captured exceptions when not used to reduce the chances of creating cycles (GH-17246) 2019-11-19 21:34:03 +00:00
asyncore.py bpo-15999: Always pass bool instead of int to socket.setblocking(). (GH-15621) 2019-09-01 12:12:52 +03:00
base64.py bpo-39351: Remove base64.encodestring() (GH-18022) 2020-01-16 10:24:16 +01:00
bdb.py bpo-39649: Remove obsolete check for __args__ in bdb.Bdb.format_stack_entry (GH-18531) 2020-02-23 22:14:53 -05:00
binhex.py bpo-39353: binascii.crc_hqx() is no longer deprecated (GH-18276) 2020-01-30 09:56:40 +01:00
bisect.py bpo-38626: Add comment explaining why __lt__ is used. (GH-16978) 2019-10-28 21:38:50 -07:00
bz2.py bpo-40443: Remove unused imports in the stdlib (GH-19803) 2020-04-30 11:26:33 +02:00
calendar.py bpo-28292: Mark calendar.py helper functions as private. (GH-15113) 2019-08-04 13:14:03 -07:00
cgi.py bpo-20504 : in cgi.py, fix bug when a multipart/form-data request has… (#10638) 2019-09-11 12:05:53 +01:00
cgitb.py
chunk.py
cmd.py
code.py Fix documentation in code.py (GH-17988) 2020-01-15 01:17:25 +05:30
codecs.py bpo-38971: Open file in codecs.open() closes if exception raised. (GH-17666) 2020-03-02 08:39:50 +02:00
codeop.py bpo-38872: Document exec symbol for codeop.compile_command (GH-20047) 2020-05-14 21:59:46 -03:00
colorsys.py
compileall.py bpo-40495: compileall option to hardlink duplicate pyc files (GH-19901) 2020-05-14 16:17:22 +02:00
configparser.py fix typo in configparser doc (GH-12154) 2019-03-03 18:23:19 -08:00
contextlib.py bpo-39481: Implementation for PEP 585 (#18239) 2020-04-07 09:50:06 -07:00
contextvars.py
copy.py bpo-38293: Allow shallow and deep copying of property objects (GH-16438) 2020-01-12 09:41:49 -08:00
copyreg.py
cProfile.py [3.9] bpo-37116: Use PEP 570 syntax for positional-only parameters. (GH-12620) 2019-06-05 18:22:31 +03:00
crypt.py closes bpo-38402: Check error of primitive crypt/crypt_r. (GH-16599) 2019-10-07 21:22:17 -07:00
csv.py bpo-27497: Add return value to csv.DictWriter.writeheader (GH-12306) 2019-05-10 03:50:11 +02:00
dataclasses.py bpo-39481: PEP 585 for dataclasses, mailbox, contextvars (GH-19425) 2020-04-14 16:14:15 -07:00
datetime.py bpo-38155: Add __all__ to datetime module (GH-16203) 2019-09-19 14:34:41 +01:00
decimal.py
difflib.py bpo-40394 - difflib.SequenceMatched.find_longest_match default args (GH-19742) 2020-04-29 22:42:45 -05:00
dis.py bpo-38115: Deal with invalid bytecode offsets in lnotab (GH-16079) 2019-09-28 07:49:15 -07:00
doctest.py bpo-1812: Fix newline conversion when doctest.testfile loads from a package whose loader has a get_data method (GH-17385) 2020-03-26 10:53:16 -05:00
enum.py bpo-40025: Require _generate_next_value_ to be defined before members (GH-19098) 2020-04-28 10:20:55 -07:00
filecmp.py bpo-39481: PEP 585 for difflib, filecmp, fileinput (#19422) 2020-04-09 21:47:31 -07:00
fileinput.py bpo-39481: PEP 585 for difflib, filecmp, fileinput (#19422) 2020-04-09 21:47:31 -07:00
fnmatch.py bpo-40480: restore ability to join fnmatch.translate() results (GH-20049) 2020-05-11 21:19:20 -05:00
formatter.py
fractions.py bpo-39350: Fix fractions for int subclasses (GH-18375) 2020-02-07 23:42:51 +01:00
ftplib.py bpo-39380: Change ftplib encoding from latin-1 to utf-8 (GH-18048) 2020-04-14 01:07:56 +02:00
functools.py bpo-40571: Make lru_cache(maxsize=None) more discoverable (GH-20019) 2020-05-11 17:00:53 -07:00
genericpath.py bpo-38807: Add os.PathLike to exception message raised by _check_arg_types (#17160) 2019-11-18 21:54:00 -08:00
getopt.py
getpass.py Remove binding of captured exceptions when not used to reduce the chances of creating cycles (GH-17246) 2019-11-19 21:34:03 +00:00
gettext.py bpo-40275: Import locale module lazily in gettext (GH-19905) 2020-05-14 03:22:30 +02:00
glob.py bpo-38149: Call sys.audit() only once per call for glob.glob(). (GH-18360) 2020-02-06 10:26:37 +02:00
gzip.py bpo-39389: gzip: fix compression level metadata (GH-18077) 2020-01-21 13:25:24 +02:00
hashlib.py bpo-38153: Normalize hashlib algorithm names (GH-16083) 2019-09-13 14:31:19 +01:00
heapq.py bpo-29984: Improve 'heapq' test coverage (GH-992) 2019-05-31 21:13:57 -07:00
hmac.py bpo-33604: Raise TypeError on missing hmac arg. (GH-16805) 2019-10-17 20:30:42 -07:00
imaplib.py bpo-40375: Implement imaplib.IMAP4.unselect (GH-19712) 2020-04-27 23:52:55 +09:00
imghdr.py
imp.py bpo-39674: Revert "bpo-37330: open() no longer accept 'U' in file mode (GH-16959)" (GH-18767) 2020-03-04 18:50:22 +01:00
inspect.py bpo-35113: Fix inspect.getsource to return correct source for inner classes (#10307) 2020-04-18 21:49:32 +05:30
io.py bpo-36842: Implement PEP 578 (GH-12613) 2019-05-23 08:45:22 -07:00
ipaddress.py bpo-39481: remove generic classes from ipaddress/mmap (GH-20045) 2020-05-11 19:32:40 -07:00
keyword.py bpo-36143: Regenerate Lib/keyword.py from the Grammar and Tokens file using pgen (GH-12456) 2019-03-25 22:01:12 +00:00
linecache.py issue-25872: Fix KeyError using linecache from multiple threads (GH-18007) 2020-05-13 18:41:57 -04:00
locale.py bpo-38536: locale: Remove trailing space in formatted currency (GH-16864) 2020-01-20 12:45:50 +09:00
lzma.py
mailbox.py bpo-39481: PEP 585 for dataclasses, mailbox, contextvars (GH-19425) 2020-04-14 16:14:15 -07:00
mailcap.py bpo-40094: mailcap.test() uses waitstatus_to_exitcode() (GH-19287) 2020-04-02 02:00:06 +02:00
mimetypes.py bpo-39299: Add more tests for mimetypes and its cli. (GH-17949) 2020-01-13 20:09:36 +05:30
modulefinder.py bpo-40443: Remove unused imports in the stdlib (GH-19803) 2020-04-30 11:26:33 +02:00
netrc.py
nntplib.py bpo-39366: Remove xpath() and xgtitle() methods of NNTP (GH-18035) 2020-01-23 00:59:43 +03:00
ntpath.py bpo-38453: Ensure ntpath.realpath correctly resolves relative paths (GH-16967) 2019-11-15 09:49:21 -08:00
nturl2path.py
numbers.py
opcode.py bpo-39320: Handle unpacking of **values in compiler (GH-18141) 2020-01-27 09:57:45 +00:00
operator.py bpo-37116: Use PEP 570 syntax for positional-only parameters. (GH-13700) 2019-06-01 11:00:15 +03:00
optparse.py
os.py bpo-39481: Implementation for PEP 585 (#18239) 2020-04-07 09:50:06 -07:00
pathlib.py bpo-40148: Add PurePath.with_stem() (GH-19295) 2020-04-19 17:29:49 +02:00
pdb.py bpo-38723: Pdb._runscript should use io.open_code() instead of open() (GH-17127) 2019-11-12 14:42:47 -08:00
pickle.py bpo-39435: Make the first argument of pickle.loads() positional-only. (GH-19846) 2020-05-02 09:38:01 +03:00
pickletools.py bpo-36785: PEP 574 implementation (GH-7076) 2019-05-26 17:10:09 +02:00
pipes.py
pkgutil.py bpo-12915: Improve Unicode support for package names and attributes. (GH-18517) 2020-02-28 14:26:27 +00:00
platform.py bpo-40570: Improve compatibility of uname_result with late-bound .platform (#20015) 2020-05-09 10:12:41 -04:00
plistlib.py bpo-40443: Remove unused imports in the stdlib (GH-19803) 2020-04-30 11:26:33 +02:00
poplib.py bpo-39259: poplib now rejects timeout = 0 (GH-17912) 2020-01-10 15:34:05 +01:00
posixpath.py bpo-35755: Remove current directory from posixpath.defpath (GH-11586) 2019-04-17 17:05:30 +02:00
pprint.py bpo-37376: pprint support for SimpleNamespace (GH-14318) 2019-06-26 16:13:18 -07:00
profile.py [3.9] bpo-37116: Use PEP 570 syntax for positional-only parameters. (GH-12620) 2019-06-05 18:22:31 +03:00
pstats.py bpo-37958: Adding get_profile_dict to pstats (GH-15495) 2020-01-15 14:51:54 -08:00
pty.py bpo-39184: Add audit events to command execution functions in os and pty modules (GH-17824) 2020-02-05 11:15:00 +11:00
py_compile.py bpo-22640: Add silent mode to py_compile.compile() (GH-12976) 2019-05-28 19:29:04 +03:00
pyclbr.py Fix typos in docs and docstrings (GH-13745) 2019-06-03 01:12:33 +02:00
pydoc.py bpo-40257: Improve help for the typing module (GH-19546) 2020-04-18 17:13:21 +03:00
queue.py bpo-39481: PEP 585 for a variety of modules (GH-19423) 2020-04-10 07:46:36 -07:00
quopri.py bpo-15999: Clean up of handling boolean arguments. (GH-15610) 2019-09-01 12:16:51 +03:00
random.py bpo-40541: Add optional *counts* parameter to random.sample() (GH-19970) 2020-05-08 07:53:15 -07:00
re.py bpo-40016: re docstring: Clarify relationship of inline and argument flags (#19078) 2020-03-25 14:44:47 -04:00
reprlib.py
rlcompleter.py
runpy.py bpo-40108: Improve the error message in runpy when importing a module that includes the extension (GH-19239) 2020-03-31 12:23:55 +01:00
sched.py
secrets.py bpo-40286: Add randbytes() method to random.Random (GH-19527) 2020-04-17 19:05:35 +02:00
selectors.py bpo-29255: Wait in KqueueSelector.select when no fds are registered (GH-19508) 2020-04-15 11:57:06 -07:00
shelve.py
shlex.py bpo-33262: Deprecate passing None for s to shlex.split() (GH-6514) 2020-04-01 09:58:55 -04:00
shutil.py bpo-39184: Add audit events to functions in fcntl, msvcrt, os, resource, shutil, signal, syslog (GH-18407) 2020-02-13 07:47:42 +00:00
signal.py
site.py bpo-1294959: Add sys.platlibdir attribute (GH-18381) 2020-03-10 09:53:09 +01:00
smtpd.py bpo-35800: Deprecate smtpd.MailmanProxy (GH-11675) 2019-10-12 10:24:26 -07:00
smtplib.py bpo-39329: Add timeout parameter for smtplib.LMTP constructor (GH-17998) 2020-01-14 22:42:09 +01:00
sndhdr.py
socket.py Fix host in address of socket.create_server example. (GH-17706) 2020-01-11 10:46:30 +05:30
socketserver.py Change 'exception happened' to 'exception occurred' in two places (#19767) 2020-04-30 21:30:10 -07:00
sre_compile.py
sre_constants.py bpo-36793: Remove unneeded __str__ definitions. (GH-13081) 2019-05-06 22:29:40 +03:00
sre_parse.py bpo-37723: Fix performance regression on regular expression parsing. (GH-15030) 2019-07-31 21:50:39 +03:00
ssl.py bpo-40443: Remove unused imports in stdlib (GH-19815) 2020-05-01 02:38:00 +02:00
stat.py bpo-38109: Add missing constants to Lib/stat.py (GH-16665) 2019-10-10 09:34:46 +02:00
statistics.py Minor code cleanups for statistics (GH-19873) 2020-05-02 19:30:24 -07:00
string.py bpo-38208: Simplify string.Template by using __init_subclass__(). (GH-16256) 2019-10-21 09:36:21 +03:00
stringprep.py
struct.py
subprocess.py bpo-40334: Rename PyConfig.use_peg to _use_peg_parser (GH-19670) 2020-04-23 03:03:24 +02:00
sunau.py bpo-37320: Remove openfp() of aifc, sunau and wave (GH-14169) 2019-06-18 00:00:24 +02:00
symbol.py bpo-35766: Merge typed_ast back into CPython (GH-11645) 2019-01-31 12:40:27 +01:00
symtable.py bpo-40208: Remove deprecated has_exec method of SymbolTable (GH-19396) 2020-04-14 08:51:32 +09:00
sysconfig.py bpo-40503: PEP 615: Tests and implementation for zoneinfo (GH-19909) 2020-05-16 10:20:06 +02:00
tabnanny.py
tarfile.py bpo-18819: tarfile: only set device fields for device files (GH-18080) 2020-02-12 11:56:02 -08:00
telnetlib.py bpo-37363: Add audit events for a range of modules (GH-14301) 2019-06-24 08:42:54 -07:00
tempfile.py bpo-40287: Fix SpooledTemporaryFile.seek() return value (GH-19540) 2020-04-17 15:56:35 +09:00
textwrap.py bpo-30754: Document textwrap.dedent blank line behavior. (GH-14469) 2019-06-29 21:20:03 -07:00
this.py
threading.py bpo-40234: Revert "bpo-37266: Daemon threads are now denied in subinterpreters (GH-14049)" (GH-19456) 2020-04-12 23:45:09 +02:00
timeit.py bpo-40419: timeit CLI docs now mention 1,2,5,10,... trials instead of powers of 10 (GH-19752) 2020-05-02 19:12:05 +03:00
token.py bpo-35975: Support parsing earlier minor versions of Python 3 (GH-12086) 2019-03-07 12:38:08 -08:00
tokenize.py bpo-5028: Fix up rest of documentation for tokenize documenting line (GH-13686) 2019-05-30 15:06:32 -07:00
trace.py bpo-21016: pydoc and trace use sysconfig (GH-18476) 2020-02-12 13:02:29 +01:00
traceback.py bpo-40612: Fix SyntaxError edge cases in traceback formatting (GH-20072) 2020-05-14 19:22:48 -07:00
tracemalloc.py bpo-37961, tracemalloc: add Traceback.total_nframe (GH-15545) 2019-10-15 14:00:16 +02:00
tty.py
turtle.py Fix typos in docs and docstrings (GH-13745) 2019-06-03 01:12:33 +02:00
types.py bpo-39481: Implementation for PEP 585 (#18239) 2020-04-07 09:50:06 -07:00
typing.py bpo-40257: Tweak docstrings for special generic aliases. (GH-20022) 2020-05-10 15:14:27 +03:00
uu.py bpo-38945: UU Encoding: Don't let newline in filename corrupt the output format (#17418) 2019-12-02 14:25:21 -08:00
uuid.py bpo-40501: Replace ctypes code in uuid with native module (GH-19948) 2020-05-12 23:32:32 +01:00
warnings.py bpo-39056: Fix handling invalid warning category in the -W option. (GH-17618) 2020-01-05 14:15:27 +02:00
wave.py Fix a typo in wave module docstring (GH-17009) 2019-11-04 22:32:10 -06:00
weakref.py bpo-36144: Add union operators to WeakValueDictionary584 (#19127) 2020-03-24 18:51:29 -07:00
webbrowser.py bpo-40561: Add docstrings for webbrowser open functions (GH-19999) 2020-05-11 14:50:11 -04:00
xdrlib.py
zipapp.py
zipfile.py bpo-40443: Remove unused imports in the stdlib (GH-19803) 2020-04-30 11:26:33 +02:00
zipimport.py bpo-39033: Fix NameError in zipimport during hash validation (GH-17588) 2019-12-16 09:34:12 +10:00