- Issue #16112: platform.architecture does not correctly escape argument to
/usr/bin/file. Patch by David Benjamin.
-- Issue #12776,#11839: call argparse type function (specified by add_argument)
- only once. Before, the type function was called twice in the case where the
- default was specified and the argument was given as well. This was
- especially problematic for the FileType type, as a default file would always
- be opened, even if a file argument was specified on the command line.
+- Issue #15756: `subprocess.poll()` now properly handles `errno.ECHILD` to
+ return a returncode of 0 when the child has already exited or cannot be waited
+ on.
-- Issue #15906: Fix a regression in argparse caused by the preceding change,
- when action='append', type='str' and default=[].
+- Issue #15323: Improve failure message of `Mock.assert_called_once_with()`.
-- Issue #13370: Ensure that ctypes works on Mac OS X when Python is
- compiled using the clang compiler
+- Issue #16064: ``unittest -m`` claims executable is "python", not "python3".
-- Issue #15544: Fix Decimal.__float__ to work with payload-carrying NaNs.
-
-- Issue #15249: BytesGenerator now correctly mangles From lines (when
- requested) even if the body contains undecodable bytes.
-
-- Issue #15777: Fix a refleak in _posixsubprocess.
-
-- Issue #15199: Fix JavaScript's default MIME type to application/javascript.
- Patch by Bohuslav Kabrda.
+- Issue #12376: Pass on parameters in `TextTestResult.__init__()` super call.
-- Issue #13579: string.Formatter now understands the 'a' conversion specifier.
+- Issue #15222: Insert blank line after each message in mbox mailboxes.
-- Issue #15793: Stack corruption in ssl.RAND_egd().
+- Issue #16013: Fix `csv.Reader` parsing issue with ending quote characters.
Patch by Serhiy Storchaka.
-- Issue #15595: Fix subprocess.Popen(universal_newlines=True)
- for certain locales (utf-16 and utf-32 family). Patch by Chris Jerdonek.
+- Issue #15421: Fix an OverflowError in `Calendar.itermonthdates()` after
+ `datetime.MAXYEAR`. Patch by Cédric Krier.
-- Issue #15477: In cmath and math modules, add workaround for platforms whose
- system-supplied log1p function doesn't respect signs of zeros.
-
-- Issue #11062: Fix adding a message from file to Babyl mailbox.
-
-- Issue #15646: Prevent equivalent of a fork bomb when using
- multiprocessing on Windows without the "if __name__ == '__main__'"
- idiom.
-
-- Issue #15424: Add a __sizeof__ implementation for array objects.
- Patch by Ludwig Hähne.
-
-- Issue #13052: Fix IDLE crashing when replace string in Search/Replace dialog
- ended with '\'. Patch by Roger Serwy.
-
-- Issue #15538: Fix compilation of the getnameinfo() / getaddrinfo()
- emulation code. Patch by Philipp Hagemeister.
-
-- Issue #9803: Don't close IDLE on saving if breakpoint is open.
- Patch by Roger Serwy.
+- Issue #15970: `xml.etree.ElementTree` now serializes correctly the empty HTML
+ elements 'meta' and 'param'.
-- Issue #12288: Consider '0' and '0.0' as valid initialvalue
- for tkinter SimpleDialog.
+- Issue #15842: The `SocketIO.{readable,writable,seekable}` methods now raise
+ ValueError when the file-like object is closed. Patch by Alessandro Moura.
-- Issue #15512: Add a __sizeof__ implementation for parser.
- Patch by Serhiy Storchaka.
+- Issue #15876: Fix a refleak in the `curses` module: window.encoding.
-- Issue #15469: Add a __sizeof__ implementation for deque objects.
- Patch by Serhiy Storchaka.
+- Issue #15881: Fix `atexit` hook in `multiprocessing`. Original patch by Chris
+ McDonough.
-- Issue #15489: Add a __sizeof__ implementation for BytesIO objects.
- Patch by Serhiy Storchaka.
+- Issue #15841: The readable(), writable() and seekable() methods of
+ `io.BytesIO` and `io.StringIO` objects now raise ValueError when the object
+ has been closed. Patch by Alessandro Moura.
-- Issue #15487: Add a __sizeof__ implementation for buffered I/O objects.
+- Issue #16126: PyErr_Format format mismatch in _testcapimodule.c.
Patch by Serhiy Storchaka.
-- Issue #6056: Make multiprocessing use setblocking(True) on the
- sockets it uses. Original patch by J Derek Wilson.
-
-- Issue #15041: update "see also" list in tkinter documentation.
-
-- Issue #15402: An issue in the struct module that caused sys.getsizeof to
- return incorrect results for struct.Struct instances has been fixed.
- Initial patch by Serhiy Storchaka.
-
-- Issue #15232: when mangle_from is True, email.Generator now correctly mangles
- lines that start with 'From ' that occur in a MIME preamble or epilogue.
-
-- Issue #13922: argparse no longer incorrectly strips '--'s that appear
- after the first one.
-
-- Issue #12353: argparse now correctly handles null argument values.
-
-- Issues #10017 and #14998: Fix TypeError using pprint on dictionaries with
- user-defined types as keys or other unorderable keys.
-
-- Issue #14635: telnetlib will use poll() rather than select() when possible
- to avoid failing due to the select() file descriptor limit.
-
-- Issue #15180: Clarify posixpath.join() error message when mixing str & bytes
-
-- Issue #15230: runpy.run_path now correctly sets __package__ as described
- in the documentation
-
-- Issue #14990: Correctly fail with SyntaxError on invalid encoding
- declaration.
-
-- Issue #15247: FileIO now raises an error when given a file descriptor
- pointing to a directory.
-
-- Issue #5346: Preserve permissions of mbox, MMDF and Babyl mailbox
- files on flush().
-
-- Issue #10571: Fix the "--sign" option of distutils' upload command.
- Patch by Jakub Wilk.
-
-- Issue #9559: If messages were only added, a new file is no longer
- created and renamed over the old file when flush() is called on an
- mbox, MMDF or Babyl mailbox.
-
-- Issue #14653: email.utils.mktime_tz() no longer relies on system
- mktime() when timezone offest is supplied.
-
-- Fix GzipFile's handling of filenames given as bytes objects.
-
-- Issue #15101: Make pool finalizer avoid joining current thread.
-
-- Issue #15036: Mailbox no longer throws an error if a flush is done
- between operations when removing or changing multiple items in mbox,
- MMDF, or Babyl mailboxes.
-
-- Issue #10133: Make multiprocessing deallocate buffer if socket read
- fails. Patch by Hallvard B Furuseth.
-
-- Issue #13854: Make multiprocessing properly handle non-integer
- non-string argument to SystemExit.
-
-- Issue #12157: Make pool.map() empty iterables correctly. Initial
- patch by mouad.
-
-- Issue #14992: os.makedirs(path, exist_ok=True) would raise an OSError
- when the path existed and had the S_ISGID mode bit set when it was
- not explicitly asked for. This is no longer an exception as mkdir
- cannot control if the OS sets that bit for it or not.
-
-- Issue #14962: Update text coloring in IDLE shell window after changing
- options. Patch by Roger Serwy.
+- Issue #15447: Use `subprocess.DEVNULL` in webbrowser, instead of opening
+ `os.devnull` explicitly and leaving it open.
-- Issue #10997: Prevent a duplicate entry in IDLE's "Recent Files" menu.
+- Issue #15509: `webbrowser.UnixBrowser` no longer passes empty arguments to
+ Popen when ``%action`` substitutions produce empty strings.
-- Issue #14443: Tell rpmbuild to use the correct version of Python in
- bdist_rpm. Initial patch by Ross Lagerwall.
+- Issue #12776, issue #11839: Call `argparse` type function (specified by
+ add_argument) only once. Before, the type function was called twice in the
+ case where the default was specified and the argument was given as well. This
+ was especially problematic for the FileType type, as a default file would
+ always be opened, even if a file argument was specified on the command line.
-- Issue #14929: Stop Idle 3.x from closing on Unicode decode errors when
- grepping. Patch by Roger Serwy.
+- Issue #15906: Fix a regression in `argparse` caused by the preceding change,
+ when ``action='append'``, ``type='str'`` and ``default=[]``.
-- Issue #12510: Attempting to get invalid tooltip no longer closes Idle.
- Other tooltipss have been corrected or improved and the number of tests
- has been tripled. Original patch by Roger Serwy.
+Tests
+-----
-- Issue #10365: File open dialog now works instead of crashing even when
- the parent window is closed before the dialog. Patch by Roger Serwy.
++- Issue #16559: Add more tests for the json module, including some from the
++ official test suite at json.org. Patch by Serhiy Storchaka.
+
-- Issue #14876: Use user-selected font for highlight configuration.
+- Issue #16115: Add some tests for the executable argument to
+ subprocess.Popen(). Initial patch by Kushal Das.
-- Issue #14920: Fix the help(urllib.parse) failure on locale C on terminals.
- Have ascii characters in help.
+- Issue #15304: Fix warning message when `os.chdir()` fails inside
+ `test.support.temp_cwd()`. Patch by Chris Jerdonek.
-- Issue #14863: Update the documentation of os.fdopen() to reflect the
- fact that it's only a thin wrapper around open() anymore.
+- Issue #15802: Fix test logic in `TestMaildir.test_create_tmp()`. Patch by
+ Serhiy Storchaka.
-- Issue #14036: Add an additional check to validate that port in urlparse does
- not go in illegal range and returns None.
+- Issue #15557: Add a test suite for the `webbrowser` module, thanks to Anton
+ Barkovsky.
-- Issue #14875: Use float('inf') instead of float('1e66666') in the json module.
+Build
+-----
-- Issue #14426: Correct the Date format in Expires attribute of Set-Cookie
- Header in Cookie.py.
+- Issue #16262: fix out-of-src-tree builds, if mercurial is not installed.
-- Issue #14721: Send the correct 'Content-length: 0' header when the body is an
- empty string ''. Initial Patch contributed by Arve Knudsen.
+- Issue #15298: ensure _sysconfigdata is generated in build directory, not
+ source directory.
-- Issue #14072: Fix parsing of 'tel' URIs in urlparse by making the check for
- ports stricter.
+- Issue #15833: Fix a regression in 3.3 that resulted in exceptions being
+ raised if importlib failed to write byte-compiled files. This affected
+ attempts to build Python out-of-tree from a read-only source directory.
-- Issue #9374: Generic parsing of query and fragment portions of url for any
- scheme. Supported both by RFC3986 and RFC2396.
+- Issue #15923: Fix a mistake in ``asdl_c.py`` that resulted in a TypeError
+ after 2801bf875a24 (see #15801).
-- Issue #14798: Fix the functions in pyclbr to raise an ImportError
- when the first part of a dotted name is not a package. Patch by
- Xavier de Gaye.
+- Issue #15819: Make sure we can build Python out-of-tree from a read-only
+ source directory. (Somewhat related to issue #9860.)
-- Issue #14829: Fix bisect and range() indexing with large indices
- (>= 2 ** 32) under 64-bit Windows.
+Tools/Demos
+-----------
-- Issue #14777: tkinter may return undecoded UTF-8 bytes as a string when
- accessing the Tk clipboard. Modify clipboad_get() to first request type
- UTF8_STRING when no specific type is requested in an X11 windowing
- environment, falling back to the current default type STRING if that fails.
- Original patch by Thomas Kluyver.
+- Issue #13301: use ast.literal_eval() instead of eval() in Tools/i18n/msgfmt.py
+ Patch by Serhiy Storchaka.
-- Issue #12541: Be lenient with quotes around Realm field of HTTP Basic
- Authentation in urllib2.
+Documentation
+-------------
-- Issue #14662: Prevent shutil failures on OS X when destination does not
- support chflag operations. Patch by Hynek Schlawack.
+- Issue #13538: Improve str() and object.__str__() documentation.
-- Issue #14157: Fix time.strptime failing without a year on February 29th.
- Patch by Hynek Schlawack.
+- Issue #16489: Make it clearer that importlib.find_loader() requires any and
+ all packages to be separately imported.
-- Issue #14768: os.path.expanduser('~/a') doesn't works correctly when HOME is '/'.
+- Issue #16400: Update the description of which versions of a given package
+ PyPI displays.
-- Issue #14741: Fix missing support for Ellipsis ('...') in parser module.
-
-- Issue #14697: Fix missing support for set displays and set comprehensions in
- parser module.
-
-- Issue #14701: Fix missing support for 'raise ... from' in parser module.
-
-- Issue #13183: Fix pdb skipping frames after hitting a breakpoint and running
- step. Patch by Xavier de Gaye.
-
-- Issue #14696: Fix parser module to understand 'nonlocal' declarations.
-
-- Issue #10941: Fix imaplib.Internaldate2tuple to produce correct result near
- the DST transition. Patch by Joe Peterson.
-
-- Issue #9154: Fix parser module to understand function annotations.
-
-- Issue #14664: It is now possible to use @unittest.skip{If,Unless} on a
- test class that doesn't inherit from TestCase (i.e. a mixin).
-
-- Issue #14160: TarFile.extractfile() failed to resolve symbolic links when
- the links were not located in an archive subdirectory.
-
-- Issue #14638: pydoc now treats non-string __name__ values as if they
- were missing, instead of raising an error.
-
-- Issue #13684: Fix httplib tunnel issue of infinite loops for certain sites
- which send EOF without trailing \r\n.
-
-- Issue #14629: Raise SyntaxError in tokenizer.detect_encoding if the
- first two lines have non-UTF-8 characters without an encoding declaration.
-
-- Issue #14308: Fix an exception when a "dummy" thread is in the threading
- module's active list after a fork().
-
-- Issue #14538: HTMLParser can now parse correctly start tags that contain
- a bare '/'.
-
-- Issue #14452: SysLogHandler no longer inserts a UTF-8 BOM into the message.
-
-- Issue #13496: Fix potential overflow in bisect.bisect algorithm when applied
- to a collection of size > sys.maxsize / 2.
-
-- Issue #14399: zipfile now recognizes that the archive has been modified even
- if only the comment is changed. In addition, the TypeError that results from
- trying to set a non-binary value as a comment is now now raised at the time
- the comment is set rather than at the time the zipfile is written.
-
-- Issue #7978: socketserver now restarts the select() call when EINTR is
- returned. This avoids crashing the server loop when a signal is received.
- Patch by Jerzy Kozera.
-
-- Issue #14496: Fix wrong name in idlelib/tabbedpages.py.
- Patch by Popa Claudiu.
-
-- Issue #14482: Raise a ValueError, not a NameError, when trying to create
- a multiprocessing Client or Listener with an AF_UNIX type address under
- Windows. Patch by Popa Claudiu.
-
-- Issue #14151: Raise a ValueError, not a NameError, when trying to create
- a multiprocessing Client or Listener with an AF_PIPE type address under
- non-Windows platforms. Patch by Popa Claudiu.
-
-- Issue #13872: socket.detach() now marks the socket closed (as mirrored
- in the socket repr()). Patch by Matt Joiner.
-
-- Issue #14406: Fix a race condition when using ``concurrent.futures.wait(
- return_when=ALL_COMPLETED)``. Patch by Matt Joiner.
-
-- Issue #14409: IDLE now properly executes commands in the Shell window
- when it cannot read the normal config files on startup and
- has to use the built-in default key bindings.
- There was previously a bug in one of the defaults.
-
-- Issue #10340: asyncore - properly handle EINVAL in dispatcher constructor on
- OSX; avoid to call handle_connect in case of a disconnected socket which
- was not meant to connect.
-
-- Issue #12757: Fix the skipping of doctests when python is run with -OO so
- that it works in unittest's verbose mode as well as non-verbose mode.
-
-- Issue #3573: IDLE hangs when passing invalid command line args
- (directory(ies) instead of file(s)) (Patch by Guilherme Polo)
-
-- Issue #13694: asynchronous connect in asyncore.dispatcher does not set addr
- attribute.
-
-- Issue #11686: Added missing entries to email package __all__ lists
- (mostly the new Bytes classes).
-
-- Issue #10484: Fix the CGIHTTPServer's PATH_INFO handling problem.
-
-- Issue #11199: Fix the with urllib which hangs on particular ftp urls.
-
-- Issue #14062: Header objects now correctly respect the 'linesep' setting
- when processed by BytesParser (which smtplib.SMTP.send_message uses).
-
-- Issue #14291: Email now defaults to utf-8 for non-ASCII unicode headers
- instead of raising an error. This fixes a regression relative to 2.7.
-
-- Issue #5219: Prevent event handler cascade in IDLE.
-
-- Issue #14184: Increase the default stack size for secondary threads on
- Mac OS X to avoid interpreter crashes when using threads on 10.7.
-
-- Issue #10543: Fix unittest test discovery with Jython bytecode files.
-
-- Issue #14252: Fix subprocess.Popen.terminate() to not raise an error under
- Windows when the child process has already exited.
-
-- Issue #14195: An issue that caused weakref.WeakSet instances to incorrectly
- return True for a WeakSet instance 'a' in both 'a < a' and 'a > a' has been
- fixed.
-
-- Issue #14177: marshal.loads() now raises TypeError when given an unicode
- string. Patch by Guilherme Gonçalves.
-
-- Issue #14159: Fix the len() of weak containers (WeakSet, WeakKeyDictionary,
- WeakValueDictionary) to return a better approximation when some objects
- are dead or dying. Moreover, the implementation is now O(1) rather than
- O(n).
-
-- Issue #13125: Silence spurious test_lib2to3 output when in non-verbose mode.
- Patch by Mikhail Novikov.
-
-- Issue #13447: Add a test file to host regression tests for bugs in the
- scripts found in the Tools directory.
-
-- Issue #8033: sqlite3: Fix 64-bit integer handling in user functions
- on 32-bit architectures. Initial patch by Philippe Devalkeneer.
-
-Extension Modules
------------------
-
-- Issue #16012: Fix a regression in pyexpat. The parser's UseForeignDTD()
- method doesn't require an argument again.
-
-- Issue #15676: Now "mmap" check for empty files before doing the
- offset check. Patch by Steven Willis.
-
-- Issue #6493: An issue in ctypes on Windows that caused structure bitfields
- of type ctypes.c_uint32 and width 32 to incorrectly be set has been fixed.
-
-- Issue #15000: Support the "unique" x32 architecture in _posixsubprocess.c.
-
-- Issue #9041: An issue in ctypes.c_longdouble, ctypes.c_double, and
- ctypes.c_float that caused an incorrect exception to be returned in the
- case of overflow has been fixed.
-
-- Issue #14212: The re module didn't retain a reference to buffers it was
- scanning, resulting in segfaults.
-
-Tests
------
-
-- Issue #16559: Add more tests for the json module, including some from the
- official test suite at json.org. Patch by Serhiy Storchaka.
-
-- Issue #15304: Fix warning message when os.chdir() fails inside
- test.support.temp_cwd(). Patch by Chris Jerdonek.
-
-- Issue #15802: Fix test logic in TestMaildir.test_create_tmp. Patch
- by Serhiy Storchaka.
-
-- Issue #15747: ZFS always returns EOPNOTSUPP when attempting to set the
- UF_IMMUTABLE flag (via either chflags or lchflags); refactor affected
- tests in test_posix.py to account for this.
-
-- Issue #15285: Refactor the approach for testing connect timeouts using
- two external hosts that have been configured specifically for this type
- of test.
-
-- Issue #15615: Add some tests for the json module's handling of invalid
- input data. Patch by Kushal Das.
-
-- Issue #15496: Add directory removal helpers for tests on Windows.
- Patch by Jeremy Kloth.
-
-- Issue #15467: Move helpers for __sizeof__ tests into test_support.
- Patch by Serhiy Storchaka.
-
-- Issue #15320: Make iterating the list of tests thread-safe when running
- tests in multiprocess mode. Patch by Chris Jerdonek.
-
-- Issue #15230: Adopted a more systematic approach in the runpy tests
-
-- Issue #15300: Ensure the temporary test working directories are in the same
- parent folder when running tests in multiprocess mode from a Python build.
- Patch by Chris Jerdonek.
-
-- test_nntplib now tolerates being run from behind NNTP gateways that add
- "X-Antivirus" headers to articles
-
-- Issue #15043: test_gdb is now skipped entirely if gdb security settings
- block loading of the gdb hooks
-
-- Issue #14026: In test_cmd_line_script, check that sys.argv is populated
- correctly for the various invocation approaches (Patch by Jason Yeo)
-
-- Issue #14032: Fix incorrect variable name in test_cmd_line_script debugging
- message (Patch by Jason Yeo)
-
-- Issue #14589: Update certificate chain for sha256.tbs-internet.com, fixing
- a test failure in test_ssl.
-
-Build
------
-
-- Issue #16262: fix out-of-src-tree builds, if mercurial is not installed.
-
-- Issue #15923: fix a mistake in asdl_c.py that resulted in a TypeError after
- 2801bf875a24 (see #15801).
-
-- Issue #11715: Fix multiarch detection without having Debian development
- tools (dpkg-dev) installed.
-
-- Issue #15819: Make sure we can build Python out-of-tree from a readonly
- source directory. (Somewhat related to Issue #9860.)
-
-- Issue #15822: Ensure 2to3 grammar pickles are properly installed.
-
-- Issue #15560: Fix building _sqlite3 extension on OS X with an SDK.
-
-- Issue #8847: Disable COMDAT folding in Windows PGO builds.
-
-- Issue #14197: For OS X framework builds, ensure links to the shared
- library are created with the proper ABI suffix.
-
-- Issue #14472: Update .gitignore. Patch by Matej Cepl.
-
-- The Windows build now uses OpenSSL 1.0.0j and bzip2 1.0.6.
-
-- Issue #14557: Fix extensions build on HP-UX. Patch by Adi Roiban.
-
-- Issue #14437: Fix building the _io module under Cygwin.
-
-- Issue #14387: Do not include accu.h from Python.h.
-
-- Issue #14359: Only use O_CLOEXEC in _posixmodule.c if it is defined.
- Based on patch from Hervé Coatanhay.
-
-- Issue #14018: Fix OS X Tcl/Tk framework checking when using OS X SDKs.
-
-Tools/Demos
------------
-
-- Issue #13301: use ast.literal_eval() instead of eval() in Tools/i18n/msgfmt.py
- Patch by Serhiy Storchaka.
-
-Documentation
--------------
-
-- Issue #13538: Improve str() and object.__str__() documentation.
-
-- Issue #16400: Update the description of which versions of a given package
- PyPI displays.
-
-- Issue #15677: Document that zlib and gzip accept a compression level of 0 to
- mean 'no compression'. Patch by Brian Brazil.
+- Issue #15677: Document that zlib and gzip accept a compression level of 0 to
+ mean 'no compression'. Patch by Brian Brazil.
- Issue #8040: added a version switcher to the documentation. Patch by
Yury Selivanov.
projects / python / commitdiff