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* Spelling fixes to docs, docstrings, and comments (GH-6374)Ville Skyttä2018-04-201-1/+1
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* bpo-33312: Fix clang ubsan out of bounds warnings in dict. (GH-6537)Gregory P. Smith2018-04-202-24/+14
| | | | | | | | | | | | | | | | | | | | Fix clang ubsan (undefined behavior sanitizer) warnings in dictobject.c by adjusting how the internal struct _dictkeysobject shared keys structure is declared. This remains ABI compatible. We get rid of the union at the end of the struct being used for conveinence to avoid typecasting in favor of char[] variable length array at the end of a struct. This is known to clang to be used for variable sized objects and will not cause an undefined behavior problem. Similarly, char arrays do not have strict aliasing undefined behavior when cast. PEP-007 does not currently list variable length arrays (VLAs) as allowed in our subset of C99. If this turns out to be a problem, the fix to this is to change the char `dk_indices[]` into `dk_indices[1]` and restore the three size computation subtractions this change removes: `- Py_MEMBER_SIZE(PyDictKeysObject, dk_indices)` If this works as is I'll make a separate PR to update PEP-007.
* bpo-33299: Return an object itself for some types in _PyCode_ConstantKey(). ↵Serhiy Storchaka2018-04-191-4/+11
| | | | (GH-6513)
* bpo-33205: dict: Change GROWTH_RATE to `used*3` (GH-6350)INADA Naoki2018-04-171-6/+5
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* bpo-33176: Add a toreadonly() method to memoryviews. (GH-6466)Antoine Pitrou2018-04-141-0/+19
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* bpo-33031: Remove dead code in C implementation of OrderedDict. (GH-6120)Serhiy Storchaka2018-04-091-76/+1
| | | | This code doesn't have effect on the final result, but causes GCC 8 warnings and can have an undefined behavior.
* bpo-33199: Initialize ma_version_tag in PyDict_Copy (GH-6341)INADA Naoki2018-04-031-0/+1
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* Fix typo and edit for clarity in the docstrings of sys.float_info. (GH-2251)Stefano Taschini2018-03-261-3/+2
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* bpo-30953: Improve error messages and add tests for jumping (GH-6196)Serhiy Storchaka2018-03-231-2/+6
| | | | into/out of an except block.
* bpo-33041: Rework compiling an "async for" loop. (#6142)Serhiy Storchaka2018-03-231-12/+9
| | | | | | | | * Added new opcode END_ASYNC_FOR. * Setting global StopAsyncIteration no longer breaks "async for" loops. * Jumping into an "async for" loop is now disabled. * Jumping out of an "async for" loop no longer corrupts the stack. * Simplify the compiler.
* bpo-32374: m_traverse may be called with m_state=NULL (GH-5140)Marcel Plch2018-03-171-0/+21
| | | | | Multi-phase initialized modules allow m_traverse to be called while the module is still being initialized, so module authors may need to account for that.
* bpo-17288: Prevent jumps from 'return' and 'exception' trace events. (GH-6107)xdegaye2018-03-131-4/+35
| | | (cherry picked from commit e32bbaf376a09c149fa7c7f2919d7c9ce4e2a055)
* bpo-33026: Fix jumping out of "with" block by setting f_lineno. (#6026)Serhiy Storchaka2018-03-111-9/+15
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* closes bpo-32980 Remove _PyFrame_Init (GH-5965)Thomas Nyberg2018-03-041-8/+0
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* remove vestigal locking from obmalloc (GH-5805)Benjamin Peterson2018-02-241-39/+0
| | | obmalloc has (empty) macros for locking in the allocator. These aren't needed in CPython; we rely on the GIL.
* bpo-17611. Move unwinding of stack for "pseudo exceptions" from interpreter ↵Serhiy Storchaka2018-02-222-132/+81
| | | | | | | | | to compiler. (GH-5006) Co-authored-by: Mark Shannon <mark@hotpy.org> Co-authored-by: Antoine Pitrou <antoine@python.org>
* closes bpo-32898: Fix debug build crash with COUNT_ALLOCS (GH-5800)Eddie Elizondo2018-02-223-3/+4
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* bpo-29803: remove a redandunt op and fix a comment in unicodeobject.c (#660)Xiang Zhang2018-02-131-5/+1
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* bpo-31787: Prevent refleaks when calling __init__() more than once (GH-3995)Oren Milman2018-02-132-6/+6
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* bpo-32827: Fix usage of _PyUnicodeWriter_Prepare() in decoding errors ↵Serhiy Storchaka2018-02-131-7/+3
| | | | handler. (GH-5636)
* bpo-32746: Fix multiple typos (GH-5144)Leo Arias2018-02-043-3/+3
| | | Fix typos found by codespell in docs, docstrings, and comments.
* bpo-32747: Remove trailing spaces in docstrings. (GH-5491)oldk2018-02-022-2/+2
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* bpo-32583: Fix possible crashing in builtin Unicode decoders (#5325)Xiang Zhang2018-01-311-2/+20
| | | | | When using customized decode error handlers, it is possible for builtin decoders to write out-of-bounds and then crash.
* bpo-32703: Fix coroutine resource warning in case where there's an error ↵Yury Selivanov2018-01-291-6/+7
| | | | | (GH-5410) The commit removes one unnecessary "if" clause in genobject.c. That "if" clause was masking un-awaited coroutines warnings just to make writing unittests more convenient.
* bpo-28685: Fix compiler warning (GH-5423)Victor Stinner2018-01-291-1/+2
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* bpo-28685: Optimize sorted() list.sort() with type-specialized comparisons ↵embg2018-01-292-71/+345
| | | | (#582)
* bpo-32690: Preserve order of locals() (#5379)Raymond Hettinger2018-01-281-2/+2
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* bpo-32685: Improve suggestion for print statement (GH-5375)Nitish Chandra2018-01-281-14/+19
| | | | | | | Better account for single-line compound statements and semi-colon separated statements when suggesting Py3 replacements for Py2 print statements. Initial patch by Nitish Chandra.
* bpo-32677: Optimize str.isascii() (GH-5356)INADA Naoki2018-01-281-4/+36
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* Fix wrong assert in unicodeobject (GH-5340)INADA Naoki2018-01-271-1/+1
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* bpo-32677: Add .isascii() to str, bytes and bytearray (GH-5342)INADA Naoki2018-01-276-1/+72
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* bpo-32670: Enforce PEP 479. (#5327)Yury Selivanov2018-01-261-50/+8
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* bpo-18533: Avoid RecursionError from repr() of recursive dictview (#4823)bennorth2018-01-261-4/+12
| | | | | | | | | | | | | | | | | dictview_repr(): Use a Py_ReprEnter() / Py_ReprLeave() pair to check for recursion, and produce "..." if so. test_recursive_repr(): Check for the string rather than a RecursionError. (Test cannot be any tighter as contents are implementation-dependent.) test_deeply_nested_repr(): Add new test, replacing the original test_recursive_repr(). It checks that a RecursionError is raised in the case of a non-recursive but deeply nested structure. (Very similar to what test_repr_deep() in test/test_dict.py does for a normal dict.) OrderedDictTests: Add new test case, to test behavior on OrderedDict instances containing their own values() or items().
* bpo-32571: Fix reading uninitialized memory (GH-5332)INADA Naoki2018-01-261-0/+5
| | | Reported by Coverity Scan.
* bpo-32571: Avoid raising unneeded AttributeError and silencing it in C code ↵Serhiy Storchaka2018-01-257-131/+106
| | | | | (GH-5222) Add two new private APIs: _PyObject_LookupAttr() and _PyObject_LookupAttrId()
* bpo-32436: Implement PEP 567 (#5027)Yury Selivanov2018-01-231-0/+1
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* bpo-31179: Make dict.copy() up to 5.5 times faster. (#3067)Yury Selivanov2018-01-221-0/+73
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* bpo-32591: Add native coroutine origin tracking (#5250)Nathaniel J. Smith2018-01-211-4/+57
| | | | | | * Add coro.cr_origin and sys.set_coroutine_origin_tracking_depth * Use coroutine origin information in the unawaited coroutine warning * Stop using set_coroutine_wrapper in asyncio debug mode * In BaseEventLoop.set_debug, enable debugging in the correct thread
* bpo-32028: Fix suggestions for indented print statements (GH-4688)Sanyam Khurana2018-01-201-5/+11
| | | | | | | The suggested replacement for print statements previously failed to account for leading whitespace and hence could end up including unwanted text in the proposed call to the print builtin. Patch by Sanyam Khurana.
* Removed unnecesssary bit inversion which doesn't improve dispersion ↵Raymond Hettinger2018-01-181-1/+1
| | | | statistics (#5235)
* bpo-32544: Speed up hasattr() and getattr() (GH-5173)INADA Naoki2018-01-161-6/+50
| | | | | AttributeError was raised always when attribute is not found. This commit skip raising AttributeError when `tp_getattro` is `PyObject_GenericGetAttr`. It makes hasattr() and getattr() about 4x faster when attribute is not found.
* bpo-26163: Frozenset hash improvement (#5194)Raymond Hettinger2018-01-161-0/+1
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* bpo-29240: Fix locale encodings in UTF-8 Mode (#5170)Victor Stinner2018-01-151-331/+144
| | | | | | | | | | | | | | | | | | | | | | | | | | | Modify locale.localeconv(), time.tzname, os.strerror() and other functions to ignore the UTF-8 Mode: always use the current locale encoding. Changes: * Add _Py_DecodeLocaleEx() and _Py_EncodeLocaleEx(). On decoding or encoding error, they return the position of the error and an error message which are used to raise Unicode errors in PyUnicode_DecodeLocale() and PyUnicode_EncodeLocale(). * Replace _Py_DecodeCurrentLocale() with _Py_DecodeLocaleEx(). * PyUnicode_DecodeLocale() now uses _Py_DecodeLocaleEx() for all cases, especially for the strict error handler. * Add _Py_DecodeUTF8Ex(): return more information on decoding error and supports the strict error handler. * Rename _Py_EncodeUTF8_surrogateescape() to _Py_EncodeUTF8Ex(). * Replace _Py_EncodeCurrentLocale() with _Py_EncodeLocaleEx(). * Ignore the UTF-8 mode to encode/decode localeconv(), strerror() and time zone name. * Remove PyUnicode_DecodeLocale(), PyUnicode_DecodeLocaleAndSize() and PyUnicode_EncodeLocale() now ignore the UTF-8 mode: always use the "current" locale. * Remove _PyUnicode_DecodeCurrentLocale(), _PyUnicode_DecodeCurrentLocaleAndSize() and _PyUnicode_EncodeCurrentLocale().
* bpo-29476: Simplify set_add_entry() (#5175)Raymond Hettinger2018-01-141-2/+2
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* bpo-29240: Ignore UTF-8 Mode in time module (#5148)Victor Stinner2018-01-111-0/+6
| | | | | | time.strftime() must use the current LC_CTYPE encoding, not UTF-8 if the UTF-8 mode is enabled. Add _PyUnicode_DecodeCurrentLocale() function.
* bpo-29240: readline now ignores the UTF-8 Mode (#5145)Victor Stinner2018-01-101-10/+52
| | | | | | | | | | | | Add new fuctions ignoring the UTF-8 mode: * _Py_DecodeCurrentLocale() * _Py_EncodeCurrentLocale() * _PyUnicode_DecodeCurrentLocaleAndSize() * _PyUnicode_EncodeCurrentLocale() Modify the readline module to use these functions. Re-enable test_readline.test_nonascii().
* bpo-32226: Make __class_getitem__ an automatic class method. (#5098)Serhiy Storchaka2018-01-042-4/+17
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* Fix outdated comment in typeobject.c (GH-5090)Berker Peksag2018-01-041-1/+1
| | | | | The comment was added in 3abca127fe1565ec80f6b0a1ae48d65186ad887d. In d78448e912126410117723c7d240bbdfff06df16, it was changed to use PyArg_ParseTuple instead.
* bpo-32468: Better frame repr() (#5067)Antoine Pitrou2017-12-311-1/+10
| | | | bpo-32468: Better frame repr()
* bpo-32030: Add _Py_EncodeLocaleRaw() (#4961)Victor Stinner2017-12-211-4/+21
| | | | | | | | | | | | Replace Py_EncodeLocale() with _Py_EncodeLocaleRaw() in: * _Py_wfopen() * _Py_wreadlink() * _Py_wrealpath() * _Py_wstat() * pymain_open_filename() These functions are called early during Python intialization, only the RAW memory allocator must be used.
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