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* bpo-30465: Fix C downcast warning on Windows in ast.c (#6593)Victor Stinner2018-04-301-1/+1
| | | | ast.c: fstring_fix_node_location() downcasts a pointer difference to a C int. Replace int with Py_ssize_t to fix the compiler warning.
* bpo-33330: Write exceptions occurred in PyImport_Cleanup() to stderr. (GH-6606)Serhiy Storchaka2018-04-291-16/+20
| | | | They where silenced before.
* bpo-33012: Fix invalid function cast warnings with gcc 8 for METH_NOARGS. ↵Siddhesh Poyarekar2018-04-293-18/+18
| | | | | | | | | (GH-6030) METH_NOARGS functions need only a single argument but they are cast into a PyCFunction, which takes two arguments. This triggers an invalid function cast warning in gcc8 due to the argument mismatch. Fix this by adding a dummy unused argument.
* bpo-33363: raise SyntaxError for async for/with outside async functions (#6616)Zsolt Dollenstein2018-04-271-0/+7
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* bpo-33334: Support NOP and EXTENDED_ARG in dis.stack_effect(). (#6566)Serhiy Storchaka2018-04-251-0/+4
| | | Added tests to ensure that all defined opcodes are supported.
* bpo-33330: Improve error handling in PyImport_Cleanup(). (GH-6564)Serhiy Storchaka2018-04-251-9/+24
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* bpo-33128 Fix duplicated call to importlib._install_external_importers ↵Pablo Galindo2018-04-251-5/+0
| | | | | | | | | (GH-6273) External importers were being added in both phases of the import system initialisation. They're only supposed to be added in the second phase, after the import machinery has been appropriately configured.
* Spelling fixes to docs, docstrings, and comments (GH-6374)Ville Skyttä2018-04-202-3/+3
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* bpo-33298: Wrap only constants with _PyCode_ConstantKey() in the compiler. ↵Serhiy Storchaka2018-04-201-104/+117
| | | | (GH-6512)
* bpo-33299: Return an object itself for some types in _PyCode_ConstantKey(). ↵Serhiy Storchaka2018-04-191-4/+6
| | | | (GH-6513)
* bpo-33270: Intern names for all anonymous code objects (#6472)Zackery Spytz2018-04-153-8/+8
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* bpo-33169: Remove values of `None` from sys.path_importer_cache when ↵Brett Cannon2018-04-061-616/+618
| | | | | invalidating caches (GH-6402) An entry of None in sys.path_importer_cache represents a negative/missing finder for a path, so clearing it out makes sense.
* bpo-29673: fix gdb scripts pystack and pystackv (GH-6126)Marcel Plch2018-04-061-1/+1
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* bpo-33231: Fix potential leak in normalizestring() (GH-6386)INADA Naoki2018-04-061-2/+0
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* bpo-29922: Improve error messages in 'async with' (GH-6352)Serhiy Storchaka2018-04-021-0/+25
| | | when __aenter__() or __aexit__() return non-awaitable object.
* bpo-33132: Fix more reference counting issues in the compiler. (GH-6323)Serhiy Storchaka2018-03-311-4/+2
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* bpo-33053: -m now adds *starting* directory to sys.path (GH-6231)Nick Coghlan2018-03-251-9/+21
| | | | | | | | | | | | Historically, -m added the empty string as sys.path zero, meaning it resolved imports against the current working directory, the same way -c and the interactive prompt do. This changes the sys.path initialisation to add the *starting* working directory as sys.path[0] instead, such that changes to the working directory while the program is running will have no effect on imports when using the -m switch.
* bpo-33042: Fix pre-initialization sys module configuration (GH-6157)Nick Coghlan2018-03-251-0/+162
| | | | | | | | | - new test case for pre-initialization of sys.warnoptions and sys._xoptions - restored ability to call these APIs prior to Py_Initialize - updated the docs for the affected APIs to make it clear they can be called before Py_Initialize - also enhanced the existing embedding test cases to check for expected settings in the sys module
* bpo-33132: Fix reference counting issues in the compiler. (GH-6209)Serhiy Storchaka2018-03-241-19/+12
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* bpo-32932: More revealing error message when non-str objects in __all__ ↵Xiang Zhang2018-03-241-1/+27
| | | | (GH-5848)
* bpo-33041: Rework compiling an "async for" loop. (#6142)Serhiy Storchaka2018-03-234-209/+155
| | | | | | | | * 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-32489: Allow 'continue' in 'finally' clause. (GH-5822)Serhiy Storchaka2018-03-181-4/+0
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* bpo-33021: Release the GIL during fstat() calls (GH-6019)Nir Soffer2018-03-111-1/+6
| | | | | | | | | | | | | | fstat may block for long time if the file descriptor is on a non-responsive NFS server, hanging all threads. Most fstat() calls are handled by _Py_fstat(), releasing the GIL internally, but but _Py_fstat_noraise() does not release the GIL, and most calls release the GIL explicitly around it. This patch fixes last 2 calls to _Py_fstat_no_raise(), avoiding hangs when calling: - mmap.mmap() - os.urandom() - random.seed()
* Drop confusing commented out code in pystrtod.c (GH-6072)Siddhesh Poyarekar2018-03-111-2/+0
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* bpo-32925: Optimized iterating and containing test for literal lists (GH-5842)Serhiy Storchaka2018-03-111-2/+17
| | | | | consisting of non-constants: `x in [a, b]` and `for x in [a, b]`. The case of all constant elements already was optimized.
* bpo-32946: Speed up "from ... import ..." from non-packages. (GH-5873)Serhiy Storchaka2018-03-112-262/+273
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* bpo-33041: Add missed error checks when compile "async for" (#6053)Serhiy Storchaka2018-03-101-14/+7
| | | and remove redundant code.
* bpo-33041: Fixed bytecode generation for "async for" with a complex target. ↵Serhiy Storchaka2018-03-101-2/+2
| | | | | | (#6052) A StopAsyncIteration raised on assigning or unpacking will be now propagated instead of stopping the iteration.
* Add two missing error checks in hamt.c (GH-5851)Xiang Zhang2018-03-081-1/+7
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* bpo-33005: Fix _PyGILState_Reinit() (#6001)Victor Stinner2018-03-061-4/+23
| | | | | | | | Fix a crash on fork when using a custom memory allocator (ex: using PYTHONMALLOC env var). _PyGILState_Reinit() and _PyInterpreterState_Enable() now use the default RAW memory allocator to allocate a new interpreters mutex on fork.
* Fix strncpy warning with gcc 8 (#5840)Siddhesh Poyarekar2018-03-061-2/+2
| | | | | The length in strncpy is one char too short and as a result it leads to a build warning with gcc 8. Comment out the strncpy since the interpreter aborts immediately after anyway.
* closes bpo-32980 Remove _PyFrame_Init (GH-5965)Thomas Nyberg2018-03-041-3/+0
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* bpo-32836: Remove obsolete code from symtable pass (GH-5680)Nitish Chandra2018-02-261-25/+0
| | | | | | | When comprehensions switched to using a nested scope, the old code for generating a temporary name to hold the accumulation target became redundant, but was never actually removed. Patch by Nitish Chandra.
* bpo-17611. Move unwinding of stack for "pseudo exceptions" from interpreter ↵Serhiy Storchaka2018-02-226-4053/+4132
| | | | | | | | | to compiler. (GH-5006) Co-authored-by: Mark Shannon <mark@hotpy.org> Co-authored-by: Antoine Pitrou <antoine@python.org>
* bpo-32838: Fix Python versions in the table of magic numbers. (#5658)Serhiy Storchaka2018-02-221-117/+117
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* bpo-32604: Swap threads only if the interpreter is different. (gh-5778)Eric Snow2018-02-201-6/+14
| | | The CPython runtime assumes that there is a one-to-one relationship (for a given interpreter) between PyThreadState and OS threads. Sending and receiving on a channel in the same interpreter was causing crashes because of this (specifically due to a check in PyThreadState_Swap()). The solution is to not switch threads if the interpreter is the same.
* bpo-32869: Fix incorrect dst buffer size for MultiByteToWideChar (#5739)Alexey Izbyshev2018-02-181-1/+2
| | | | This function expects the destination buffer size to be given in wide characters, not bytes.
* bpo-32604: Clean up created subinterpreters before runtime finalization. ↵Eric Snow2018-02-171-1/+57
| | | | | | (gh-5709)
* Fix some warnings produced by different compilers. (#5593)Serhiy Storchaka2018-02-093-5/+5
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* bpo-32777: Fix _Py_set_inheritable async-safety in subprocess (GH-5560)Alexey Izbyshev2018-02-061-3/+16
| | | | | | | Fix a rare but potential pre-exec child process deadlock in subprocess on POSIX systems when marking file descriptors inheritable on exec in the child process. This bug appears to have been introduced in 3.4 with the inheritable file descriptors support. This also changes Python/fileutils.c `set_inheritable` to use the "slow" two `fcntl` syscall path instead of the "fast" single `ioctl` syscall path when asked to be async signal safe (by way of being asked not to raise exceptions). `ioctl` is not a POSIX async-signal-safe approved function. ref: http://pubs.opengroup.org/onlinepubs/9699919799/functions/V2_chap02.html
* bpo-10544: Disallow "yield" in comprehensions and generator expressions. ↵Serhiy Storchaka2018-02-041-24/+7
| | | | (GH-4564)
* bpo-32746: Fix multiple typos (GH-5144)Leo Arias2018-02-041-2/+2
| | | Fix typos found by codespell in docs, docstrings, and comments.
* bpo-32604: Fix memory leaks in the new _xxsubinterpreters module. (#5507)Eric Snow2018-02-031-0/+1
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* bpo-32303 - Consistency fixes for namespace loaders (#5481)Barry Warsaw2018-02-022-1425/+1425
| | | | | | | * Make sure ``__spec__.loader`` matches ``__loader__`` for namespace packages. * Make sure ``__spec__.origin` matches ``__file__`` for namespace packages. https://bugs.python.org/issue32303 https://bugs.python.org/issue32305
* bpo-32747: Remove trailing spaces in docstrings. (GH-5491)oldk2018-02-021-3/+3
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* bpo-32674: Improve the docstring for __import__ (GH-5339)oldk2018-02-021-3/+3
| | | | | Clarify that the level argument is used to determine whether to perform absolute or relative imports: 0 is absolute, while a positive number is the number of parent directories to search relative to the current module.
* bpo-32436: Fix compiler warning (#5483)Yury Selivanov2018-02-021-0/+2
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* Fix typo in hamt.c comments (#5478)Dmitry Alimov2018-02-021-1/+1
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* bpo-32711: Fix warnings for Python/ast_unparse.c (#5426)Stéphane Wirtel2018-02-011-3/+7
| | | * bpo-32711: Fix warnings for Python/ast_unparse.c
* bpo-32604: Expose the subinterpreters C-API in a "private" stdlib module. ↵Eric Snow2018-01-301-1/+274
| | | | | (gh-1748) The module is primarily intended for internal use in the test suite. Building the module under Windows will come in a follow-up PR.
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