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* bpo-28411: Isolate PyInterpreterState.modules (#3575)Eric Snow2017-09-145-47/+84
| | | | | A bunch of code currently uses PyInterpreterState.modules directly instead of PyImport_GetModuleDict(). This complicates efforts to make changes relative to sys.modules. This patch switches to using PyImport_GetModuleDict() uniformly. Also, a number of related uses of sys.modules are updated for uniformity for the same reason. Note that this code was already reviewed and merged as part of #1638. I reverted that and am now splitting it up into more focused parts.
* bpo-30860: Fix a refleak. (#3567)Eric Snow2017-09-144-27/+31
| | | | | Resolves bpo-31420. (This was accidentally reverted when in #3565.)
* bpo-31404: Revert "remove modules from Py_InterpreterState (#1638)" (#3565)Eric Snow2017-09-149-238/+111
| | | PR #1638, for bpo-28411, causes problems in some (very) edge cases. Until that gets sorted out, we're reverting the merge. PR #3506, a fix on top of #1638, is also getting reverted.
* bpo-31418: Fix an assertion failure in PyErr_WriteUnraisable() in case of an ↵Oren Milman2017-09-131-1/+1
| | | | exception with a bad __module__ attribute. (#3539)
* bpo-30860: Fix a refleak. (#3506)Eric Snow2017-09-124-27/+31
| | | | | | | | | | | | | | * Drop warnoptions from PyInterpreterState. * Drop xoptions from PyInterpreterState. * Don't set warnoptions and _xoptions again. * Decref after adding to sys.__dict__. * Drop an unused macro. * Check sys.xoptions *before* we delete it.
* bpo-31416: Fix assertion failures in case of a bad warnings.filters or ↵Oren Milman2017-09-111-3/+16
| | | | | warnings.defaultaction. (#3496) Patch by Oren Milman.
* bpo-31373: remove overly strict float range checks (#3486)Benjamin Peterson2017-09-111-4/+0
| | | | | This undoes a853a8ba7850381d49b284295dd6f0dc491dbe44 except for the pytime.c parts. We want to continue to allow IEEE 754 doubles larger than FLT_MAX to be rounded into finite floats. Tests were added to very this behavior.
* bpo-31411: Prevent raising a SystemError in case warnings.onceregistry is ↵Oren Milman2017-09-111-1/+7
| | | | not a dictionary. (#3485)
* bpo-26669: Fix nan arg value error in pytime.c (#3085)Han Lee2017-09-081-0/+14
| | | | | | | | | | * Fix #26669 * Modify NaN check function and error message * Fix pytime.c when arg is nan * fix whitespace
* delete dead locale initialization code for windows (#3461)Benjamin Peterson2017-09-081-5/+1
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* bpo-31393: Fix the use of PyUnicode_READY(). (#3451)Serhiy Storchaka2017-09-081-7/+10
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* bpo-30860: Consolidate stateful runtime globals. (#3397)Eric Snow2017-09-0817-426/+416
| | | | | | | * group the (stateful) runtime globals into various topical structs * consolidate the topical structs under a single top-level _PyRuntimeState struct * add a check-c-globals.py script that helps identify runtime globals Other globals are excluded (see globals.txt and check-c-globals.py).
* bpo-31344: Per-frame control of trace events (GH-3417)Nick Coghlan2017-09-082-9/+17
| | | | | | | | | f_trace_lines: enable/disable line trace events f_trace_opcodes: enable/disable opcode trace events These are intended primarily for testing of the interpreter itself, as they make it much easier to emulate signals arriving at unfortunate times.
* bpo-31373: fix undefined floating-point demotions (#3396)Benjamin Peterson2017-09-072-16/+21
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* remove current_filename optimization from marshal (#3423) (closes bpo-31384)Benjamin Peterson2017-09-071-19/+0
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* bpo-31370: Remove support for threads-less builds (#3385)Antoine Pitrou2017-09-078-216/+3
| | | | | | * Remove Setup.config * Always define WITH_THREAD for compatibility.
* bpo-30465: Fix lineno and col_offset in fstring AST nodes (#1800)Łukasz Langa2017-09-071-5/+67
| | | For f-string ast nodes, fix the line and columns so that tools such as flake8 can identify them correctly.
* Revert "pytime: include winsock2, so we can have a complete timeval type ↵Antoine Pitrou2017-09-061-1/+0
| | | | | (#3377)" (#3383) This reverts commit 833860615bedfd2484ac0623d6f01ff0578ba09f, as it broke Windows builds.
* Revert "bpo-30860: Consolidate stateful runtime globals." (#3379)Eric Snow2017-09-0610-418/+452
| | | Windows buildbots started failing due to include-related errors.
* pytime: include winsock2, so we can have a complete timeval type (#3377)Benjamin Peterson2017-09-061-0/+1
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* correct initialization code (#3376)Benjamin Peterson2017-09-062-3/+2
| | | Explicitly initialize struct members rather than relying on compiler extensions.
* bpo-30860: Consolidate stateful runtime globals. (#2594)Eric Snow2017-09-0610-452/+419
| | | | | | | | | * group the (stateful) runtime globals into various topical structs * consolidate the topical structs under a single top-level _PyRuntimeState struct * add a check-c-globals.py script that helps identify runtime globals Other globals are excluded (see globals.txt and check-c-globals.py).
* bpo-28411: Remove "modules" field from Py_InterpreterState. (#1638)Eric Snow2017-09-048-84/+207
| | | sys.modules is the one true source.
* bpo-31286, bpo-30024: Fixed stack usage in absolute imports with (#3217)Serhiy Storchaka2017-08-291-10/+16
| | | binding a submodule to a name.
* bpo-31095: fix potential crash during GC (GH-2974)INADA Naoki2017-08-241-0/+2
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* bpo-31229: Fixed wrong error messages when too many keyword arguments are ↵Oren Milman2017-08-231-2/+8
| | | | received. (#3180)
* bpo-31236: Improved some error messages of min() and max().Oren Milman2017-08-211-2/+3
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* bpo-30923: Silence fall-through warnings included in -Wextra since gcc-7.0. ↵Stefan Krah2017-08-219-14/+27
| | | | (#3157)
* bpo-31070: Fix a race condition in importlib _get_module_lock(). (#3033)Serhiy Storchaka2017-08-091-1473/+1478
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* Fix a shadow-compatible-local warning (#2180)Yuan Chao Chou2017-08-041-165/+165
| | | | Change the shadowing naming, 'value' (Python-ast.c:4652), to 'val' to prevent the variables from being misused.
* bpo-31071: Avoid masking original TypeError in call with * unpacking (#2957)Serhiy Storchaka2017-08-031-29/+34
| | | when other arguments are passed.
* Spelling fixes (#2902)Ville Skyttä2017-08-031-1/+1
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* bpo-31091: Remove dead code in PyErr_GivenExceptionMatches(). (#2963)scoder2017-07-311-13/+1
| | | According to the comment, there was previously a call to PyObject_IsSubclass() involved which could fail, but since it was replaced with a call to PyType_IsSubtype(), it can no longer fail.
* bpo-30640: Fix undefined behavior in _PyFunction_FastCallDict() and ↵Zackery Spytz2017-07-311-1/+2
| | | | | PyEval_EvalCodeEx() (#2919) k + 1 was calculated with k = NULL.
* bpo-9566: Fix a warning in Python/getargs.c (#2890)Segev Finer2017-07-261-1/+1
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* Fix a small typo in a comment (#2863)Stéphane Wirtel2017-07-251-1/+1
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* bpo-30891: Fix again importlib _find_and_load() (#2665)Victor Stinner2017-07-211-351/+352
| | | | | | | | | Use sys.modules.get() in the "with _ModuleLockManager(name):" block to protect the dictionary key with the module lock and use an atomic get to prevent race condition. Remove also _bootstrap._POPULATE since it was unused (_bootstrap_external now has its own _POPULATE object), add a new _SENTINEL object instead.
* bpo-30876: Relative import from unloaded package now reimports the package ↵Serhiy Storchaka2017-07-122-380/+365
| | | | | | | | | (#2639) instead of failing with SystemError. Relative import from non-package now fails with ImportError rather than SystemError.
* bpo-30891: Fix importlib _find_and_load() race condition (#2646)Victor Stinner2017-07-102-1539/+1526
| | | | | | * Rewrite importlib _get_module_lock(): it is now responsible to hold the imp lock directly. * _find_and_load() now holds the module lock to check if name is in sys.modules to prevent a race condition
* Remove _PyArg_NoStackKeywords(). (#2641)Serhiy Storchaka2017-07-101-18/+0
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* bpo-30814: Fixed a race condition when import a submodule from a package. ↵Serhiy Storchaka2017-07-062-323/+306
| | | | (#2580)
* bpo-30854: Fix compile error when --without-threads (#2581)Masayuki Yamamoto2017-07-051-1/+1
| | | | | | * bpo-30854: Fix compile error when --without-threads * bpo-30854: fix news
* bpo-29464: Rename METH_FASTCALL to METH_FASTCALL|METH_KEYWORDS and make (#1955)Serhiy Storchaka2017-07-035-101/+27
| | | | | the bare METH_FASTCALL be used for functions with positional-only parameters.
* bpo-30832: Remove own implementation for thread-local storage (#2537)Masayuki Yamamoto2017-07-033-220/+8
| | | | | | | | | | | | | | | | * bpo-30832: Remove own implementation for thread-local storage CPython has provided the own implementation for thread-local storage (TLS) on Python/thread.c, it's used in the case which a platform has not supplied native TLS. However, currently all supported platforms (NT and pthreads) have provided native TLS and defined the Py_HAVE_NATIVE_TLS macro with unconditional in any case. * bpo-30832: replace NT with Windows * bpo-30832: change to directive chain * bpo-30832: remove comemnt which making no sense
* bpo-30647: Check nl_langinfo(CODESET) in locale coercion (GH-2374)Nick Coghlan2017-06-291-8/+11
| | | | | | | | | | | | | - On some versions of FreeBSD, setting the "UTF-8" locale succeeds, but a subsequent "nl_langinfo(CODESET)" fails - adding a check for this in the coercion logic means that coercion will happen on systems where this check succeeds, and will be skipped otherwise - that way CPython should automatically adapt to changes in platform behaviour, rather than needing a new release to enable coercion at build time - this also allows UTF-8 to be re-enabled as a coercion target, restoring the locale coercion behaviour on Mac OS X
* bpo-29585: Fix sysconfig.get_config_var("PYTHONFRAMEWORK") (GH-2483)INADA Naoki2017-06-291-1/+1
| | | | | | | | | | | `PYTHONFRAMEWORK` is defined in `Makefile` and it shoulnd't be used in `pyconfig.h`. `sysconfig.py --generate-posix-vars` reads config vars from Makefile and `pyconfig.h`. Conflicting variables should be avoided. Especially, string config variables in Makefile are unquoted, but in `pyconfig.h` are keep quoted. So it should be private (starts with underscore).
* bpo-30703: Improve signal delivery (#2415)Antoine Pitrou2017-06-281-21/+54
| | | | | | | | | | | | | | | | | | | | * Improve signal delivery Avoid using Py_AddPendingCall from signal handler, to avoid calling signal-unsafe functions. * Remove unused function * Improve comments * Add stress test * Adapt for --without-threads * Add second stress test * Add NEWS blurb * Address comments @haypo
* bpo-29585: optimize site.py startup time (GH-136)INADA Naoki2017-06-281-0/+1
| | | | Avoid importing `sysconfig` from `site` by copying minimum code. Python startup is 5% faster on Linux and 30% faster on macOS
* [security] bpo-13617: Reject embedded null characters in wchar* strings. (#2302)Serhiy Storchaka2017-06-282-8/+19
| | | | | | | Based on patch by Victor Stinner. Add private C API function _PyUnicode_AsUnicode() which is similar to PyUnicode_AsUnicode(), but checks for null characters.
* bpo-30765: Avoid blocking when PyThread_acquire_lock() is asked not to (#2403)Antoine Pitrou2017-06-261-45/+50
| | | | | | | | | | | * bpo-30765: Avoid blocking when PyThread_acquire_lock() is asked not to lock This is especially important if PyThread_acquire_lock() is called reentrantly (for example from a signal handler). * Update 2017-06-26-14-29-50.bpo-30765.Q5iBmf.rst * Avoid core logic when taking the mutex failed
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