- Issue #29000: Fixed bytes formatting of octals with zero padding in alternate
form.
-- Issue #28512: Fixed setting the offset attribute of SyntaxError by
- PyErr_SyntaxLocationEx() and PyErr_SyntaxLocationObject().
+- Issue #26919: On Android, operating system data is now always encoded/decoded
+ to/from UTF-8, instead of the locale encoding to avoid inconsistencies with
+ os.fsencode() and os.fsdecode() which are already using UTF-8.
- Issue #28991: functools.lru_cache() was susceptible to an obscure reentrancy
- bug caused by a monkey-patched len() function.
-
-- Issue #28648: Fixed crash in Py_DecodeLocale() in debug build on Mac OS X
- when decode astral characters. Patch by Xiang Zhang.
-
-- Issue #19398: Extra slash no longer added to sys.path components in case of
- empty compile-time PYTHONPATH components.
-
-- Issue #28426: Fixed potential crash in PyUnicode_AsDecodedObject() in debug
- build.
-
-- Issue #23782: Fixed possible memory leak in _PyTraceback_Add() and exception
- loss in PyTraceBack_Here().
-
-- Issue #28379: Added sanity checks and tests for PyUnicode_CopyCharacters().
- Patch by Xiang Zhang.
-
-- Issue #28376: The type of long range iterator is now registered as Iterator.
- Patch by Oren Milman.
-
-- Issue #28376: The constructor of range_iterator now checks that step is not 0.
- Patch by Oren Milman.
-
-- Issue #26906: Resolving special methods of uninitialized type now causes
- implicit initialization of the type instead of a fail.
-
-- Issue #18287: PyType_Ready() now checks that tp_name is not NULL.
- Original patch by Niklas Koep.
-
-- Issue #24098: Fixed possible crash when AST is changed in process of
- compiling it.
-
-- Issue #28350: String constants with null character no longer interned.
-
-- Issue #26617: Fix crash when GC runs during weakref callbacks.
-
-- Issue #27942: String constants now interned recursively in tuples and frozensets.
-
-- Issue #21578: Fixed misleading error message when ImportError called with
- invalid keyword args.
-
-- Issue #28203: Fix incorrect type in error message from
- ``complex(1.0, {2:3})``. Patch by Soumya Sharma.
-
-- Issue #27955: Fallback on reading /dev/urandom device when the getrandom()
- syscall fails with EPERM, for example when blocked by SECCOMP.
-
-- Issue #28131: Fix a regression in zipimport's compile_source(). zipimport
- should use the same optimization level as the interpreter.
-
-- Issue #25221: Fix corrupted result from PyLong_FromLong(0) when
- Python is compiled with NSMALLPOSINTS = 0.
-
-- Issue #25758: Prevents zipimport from unnecessarily encoding a filename
- (patch by Eryk Sun)
-
-- Issue #28189: dictitems_contains no longer swallows compare errors.
- (Patch by Xiang Zhang)
-
-- Issue #27812: Properly clear out a generator's frame's backreference to the
- generator to prevent crashes in frame.clear().
-
-- Issue #27811: Fix a crash when a coroutine that has not been awaited is
- finalized with warnings-as-errors enabled.
-
-- Issue #27587: Fix another issue found by PVS-Studio: Null pointer check
- after use of 'def' in _PyState_AddModule().
- Initial patch by Christian Heimes.
-
-- Issue #26020: set literal evaluation order did not match documented behaviour.
-
-- Issue #27782: Multi-phase extension module import now correctly allows the
- ``m_methods`` field to be used to add module level functions to instances
- of non-module types returned from ``Py_create_mod``. Patch by Xiang Zhang.
-
-- Issue #27936: The round() function accepted a second None argument
- for some types but not for others. Fixed the inconsistency by
- accepting None for all numeric types.
-
-- Issue #27487: Warn if a submodule argument to "python -m" or
- runpy.run_module() is found in sys.modules after parent packages are
- imported, but before the submodule is executed.
+ bug triggerable by a monkey-patched len() function.
-- Issue #27558: Fix a SystemError in the implementation of "raise" statement.
- In a brand new thread, raise a RuntimeError since there is no active
- exception to reraise. Patch written by Xiang Zhang.
-
-- Issue #27419: Standard __import__() no longer look up "__import__" in globals
- or builtins for importing submodules or "from import". Fixed handling an
- error of non-string package name.
+- Issue #28739: f-string expressions are no longer accepted as docstrings and
+ by ast.literal_eval() even if they do not include expressions.
-- Issue #27083: Respect the PYTHONCASEOK environment variable under Windows.
+- Issue #28512: Fixed setting the offset attribute of SyntaxError by
+ PyErr_SyntaxLocationEx() and PyErr_SyntaxLocationObject().
-- Issue #27514: Make having too many statically nested blocks a SyntaxError
- instead of SystemError.
+- Issue #28918: Fix the cross compilation of xxlimited when Python has been
+ built with Py_DEBUG defined.
-- Issue #27473: Fixed possible integer overflow in bytes and bytearray
- concatenations. Patch by Xiang Zhang.
+- Issue #28731: Optimize _PyDict_NewPresized() to create correct size dict.
+ Improve speed of dict literal with constant keys up to 30%.
-- Issue #27507: Add integer overflow check in bytearray.extend(). Patch by
- Xiang Zhang.
+Library
+-------
-- Issue #27581: Don't rely on wrapping for overflow check in
- PySequence_Tuple(). Patch by Xiang Zhang.
++- Issue #28969: Fixed race condition in C implementation of functools.lru_cache.
++ KeyError could be raised when cached function with full cache was
++ simultaneously called from differen threads with the same uncached arguments.
+
-- Issue #27443: __length_hint__() of bytearray iterators no longer return a
- negative integer for a resized bytearray.
+- Issue #29142: In urllib.request, suffixes in no_proxy environment variable with
+ leading dots could match related hostnames again (e.g. .b.c matches a.b.c).
+ Patch by Milan Oberkirch.
-- Issue #27942: Fix memory leak in codeobject.c
+- Issue #28961: Fix unittest.mock._Call helper: don't ignore the name parameter
+ anymore. Patch written by Jiajun Huang.
-Library
--------
+- Issue #29203: functools.lru_cache() now respects PEP 468 and preserves
+ the order of keyword arguments. f(a=1, b=2) is now cached separately
+ from f(b=2, a=1) since both calls could potentially give different results.
- Issue #15812: inspect.getframeinfo() now correctly shows the first line of
a context. Patch by Sam Breese.
/* Internal version of dict.pop(). */
PyObject *
- _PyDict_Pop(PyObject *dict, PyObject *key, PyObject *deflt)
-_PyDict_Pop_KnownHash(PyDictObject *mp, PyObject *key, Py_hash_t hash, PyObject *deflt)
++_PyDict_Pop_KnownHash(PyObject *dict, PyObject *key, Py_hash_t hash, PyObject *deflt)
{
- Py_hash_t hash;
+ Py_ssize_t ix, hashpos;
PyObject *old_value, *old_key;
PyDictKeyEntry *ep;
PyObject **value_addr;
_PyErr_SetKeyError(key);
return NULL;
}
- if (!PyUnicode_CheckExact(key) ||
- (hash = ((PyASCIIObject *) key)->hash) == -1) {
- hash = PyObject_Hash(key);
- if (hash == -1)
- return NULL;
- }
- ep = (mp->ma_keys->dk_lookup)(mp, key, hash, &value_addr);
- if (ep == NULL)
+ ix = (mp->ma_keys->dk_lookup)(mp, key, hash, &value_addr, &hashpos);
+ if (ix == DKIX_ERROR)
return NULL;
- old_value = *value_addr;
- if (old_value == NULL) {
+ if (ix == DKIX_EMPTY || *value_addr == NULL) {
if (deflt) {
Py_INCREF(deflt);
return deflt;
return old_value;
}
-_PyDict_Pop(PyDictObject *mp, PyObject *key, PyObject *deflt)
+ PyObject *
- if (mp->ma_used == 0) {
++_PyDict_Pop(PyObject *dict, PyObject *key, PyObject *deflt)
+ {
+ Py_hash_t hash;
+
- return _PyDict_Pop_KnownHash(mp, key, hash, deflt);
++ if (((PyDictObject *)dict)->ma_used == 0) {
+ if (deflt) {
+ Py_INCREF(deflt);
+ return deflt;
+ }
+ _PyErr_SetKeyError(key);
+ return NULL;
+ }
+ if (!PyUnicode_CheckExact(key) ||
+ (hash = ((PyASCIIObject *) key)->hash) == -1) {
+ hash = PyObject_Hash(key);
+ if (hash == -1)
+ return NULL;
+ }
++ return _PyDict_Pop_KnownHash(dict, key, hash, deflt);
+ }
+
/* Internal version of dict.from_keys(). It is subclass-friendly. */
PyObject *
_PyDict_FromKeys(PyObject *cls, PyObject *iterable, PyObject *value)
projects / python / commitdiff