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* bpo-38395: Fix ownership in weakref.proxy methods (GH-16632)Pablo Galindo2019-10-083-31/+111
| | | | | | | | | | | | | The implementation of weakref.proxy's methods call back into the Python API using a borrowed references of the weakly referenced object (acquired via PyWeakref_GET_OBJECT). This API call may delete the last reference to the object (either directly or via GC), leaving a dangling pointer, which can be subsequently dereferenced. To fix this, claim a temporary ownership of the referenced object when calling the appropriate method. Some functions because at the moment they do not need to access the borrowed referent, but to protect against future changes to these functions, ownership need to be fixed in all potentially affected methods.
* bpo-38118: Ignore Valgrind false alarm in PyUnicode_Decode() (GH-16651)Victor Stinner2019-10-082-0/+13
| | | | | | | Valgrind emits "Conditional jump or move depends on uninitialised value(s)" false alarms on GCC builtin strcmp() function. The GCC code is correct. Valgrind bug: https://bugs.kde.org/show_bug.cgi?id=264936
* bpo-38407: Add docstrings for typing.SupportsXXX classes. (GH-16644)Serhiy Storchaka2019-10-081-0/+7
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* bpo-38405: Make nested subclasses of typing.NamedTuple pickleable. (GH-16641)Serhiy Storchaka2019-10-083-8/+23
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* bpo-36698: IDLE no longer fails when write non-encodable characters to ↵Serhiy Storchaka2019-10-085-67/+87
| | | | | | | stderr. (GH-16583) It now escapes them with a backslash, as the regular Python interpreter. Added the "errors" field to the standard streams.
* bpo-38371: Tkinter: deprecate the split() method. (GH-16584)Serhiy Storchaka2019-10-084-4/+23
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* bpo-33714: Output an exception raised in module's m_clear(). (GH-16592)Serhiy Storchaka2019-10-081-1/+7
| | | | | | | | | | | | It is similar to the more general code in the gc module, but here we know the name of the module. https://bugs.python.org/issue33714 Automerge-Triggered-By: @encukou
* Fix typo in _warnings.warn_explicit() docstring (GH-16625)Hansraj Das2019-10-081-1/+1
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* closes bpo-38402: Check error of primitive crypt/crypt_r. (GH-16599)Antonio Gutierrez2019-10-083-1/+13
| | | | | | | Checks also for encryption algorithms methods not supported in different OSs. Signed-off-by: Antonio Gutierrez <chibby0ne@gmail.com>
* bpo-38070: Enhance visit_decref() debug trace (GH-16631)Victor Stinner2019-10-081-4/+5
| | | | | | | | subtract_refs() now pass the parent object to visit_decref() which pass it to _PyObject_ASSERT(). So if the "is freed" assertion fails, the parent is used in debug trace, rather than the freed object. The parent object is more likely to contain useful information. Freed objects cannot be inspected are are displayed as "<object at xxx is freed>" with no other detail.
* bpo-38400 Don't check for NULL linked list pointers in _PyObject_IsFreed ↵Pablo Galindo2019-10-071-1/+4
| | | | | | | | | (GH-16630) Some objects like Py_None are not initialized with conventional means that prepare the circular linked list pointers, leaving them unlinked from the rest of the objects. For those objects, NULL pointers does not mean that they are freed, so we need to skip the check in those cases.
* bpo-38392: PyObject_GC_Track() validates object in debug mode (GH-16615)Victor Stinner2019-10-074-4/+27
| | | | | | | | In debug mode, PyObject_GC_Track() now calls tp_traverse() of the object type to ensure that the object is valid: test that objects visited by tp_traverse() are valid. Fix pyexpat.c: only track the parser in the GC once the parser is fully initialized.
* bpo-36389: Add newline to _PyObject_AssertFailed() (GH-16629)Victor Stinner2019-10-071-0/+3
| | | | Add a newline between the verbose object dump and the Py_FatalError() logs for readability.
* bpo-38344: Fix syntax in activate.bat (GH-16533)James Abel2019-10-072-1/+2
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* bpo-38294: Add list of no-longer-escaped chars to re.escape documentation. ↵Ricardo Bánffy2019-10-073-3/+7
| | | | | | | | | (GH-16442) Prior to 3.7, re.escape escaped many characters that don't have special meaning in Python, but that use to require escaping in other tools and languages. This commit aims to make it clear which characters were, but are no longer escaped.
* bpo-36389: Fix _PyBytesWriter in release mode (GH-16624)Victor Stinner2019-10-073-47/+48
| | | | Fix _PyBytesWriter API when Python is built in release mode with assertions.
* bpo-36389: _PyObject_CheckConsistency() available in release mode (GH-16612)Victor Stinner2019-10-0714-133/+148
| | | | | | | | | | | | | | | | | | | | | bpo-36389, bpo-38376: The _PyObject_CheckConsistency() function is now also available in release mode. For example, it can be used to debug a crash in the visit_decref() function of the GC. Modify the following functions to also work in release mode: * _PyDict_CheckConsistency() * _PyObject_CheckConsistency() * _PyType_CheckConsistency() * _PyUnicode_CheckConsistency() Other changes: * _PyMem_IsPtrFreed(ptr) now also returns 1 if ptr is NULL (equals to 0). * _PyBytesWriter_CheckConsistency() now returns 1 and is only used with assert(). * Reorder _PyObject_Dump() to write safe fields first, and only attempt to render repr() at the end.
* bpo-36356: Fix memory leak in _asynciomodule.c (GH-16598)Ben Harper2019-10-071-0/+7
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* Fix a compile warning in selectmodule.c. (GH-16617)Xiang Zhang2019-10-071-1/+1
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* bpo-38391: Fixing a typo for Py_DECREF (GH-16616)Krishna Oza2019-10-071-1/+1
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* bpo-38353: Simplify calculate_pybuilddir() (GH-16614)Victor Stinner2019-10-071-5/+0
| | | | Calling _Py_wfopen() is enough to check if filename is an existing file or not. There is no need to check first isfile().
* bpo-38210: Fix compiler warning in dictobject.c (GH-16611)Victor Stinner2019-10-070-0/+0
| | | The "tmp" variable is no longer used.
* Fix a compile warning in dictobject.c (GH-16610)Hai Shi2019-10-071-1/+0
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* bpo-25988: Do not expose abstract collection classes in the collections ↵Serhiy Storchaka2019-10-073-15/+7
| | | | module. (GH-10596)
* bpo-26510: Add versionchanged for required arg of add_subparsers (GH-16588)Adam J. Stewart2019-10-072-1/+8
| | | | | | | | | | The `required` argument to `argparse.add_subparsers` was added in #3027. This PR specifies the earliest version of Python where it is available. https://bugs.python.org/issue26510 Automerge-Triggered-By: @merwok
* bpo-38383: Fix possible integer overflow in startswith() of bytes and ↵Hai Shi2019-10-061-1/+1
| | | | bytearray. (GH-16603)
* bpo-38210: Fix intersection operation with dict view and iterator. (GH-16602)Dong-hee Na2019-10-063-8/+13
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* bpo-38332: Catch KeyError from unknown cte in encoded-word. (GH-16503)Andrei Troie2019-10-054-1/+18
| | | KeyError should cause a failure in parsing the encoded word and should be caught and raised as a _InvalidEWError instead.
* bpo-38341: Add SMTPNotSupportedError in the exports of smtplib (#16525)nde2019-10-052-1/+2
| | | | | | Add SMTPNotSupportedError in the exports of smtplib Co-Authored-By: Brandt Bucher <brandtbucher@gmail.com>
* bpo-38353: getpath.c: allocates strings on the heap (GH-16585)Victor Stinner2019-10-044-313/+421
| | | | | | | | | | | * _Py_FindEnvConfigValue() now returns a string allocated by PyMem_RawMalloc(). * calculate_init() now decodes VPATH macro. * Add calculate_open_pyenv() function. * Add substring() and joinpath2() functions. * Fix add_exe_suffix() And a few cleanup changes.
* bpo-38353: getpath.c uses dynamically allocated strings (GH-16582)Victor Stinner2019-10-041-91/+115
| | | | * PyCalculatePath: add "_macro" to the 3 fields storing macro values * Add dynamically allocated strings to PyCalculatePath
* bpo-38266: Revert bpo-37878: Make PyThreadState_DeleteCurrent() Internal ↵Joannah Nanjekye2019-10-044-2/+18
| | | | | (GH-16558) Revert the removal of PyThreadState_DeleteCurrent() with documentation.
* bpo-13153: Use OS native encoding for converting between Python and Tcl. ↵Serhiy Storchaka2019-10-049-241/+240
| | | | | | | | | | | | | (GH-16545) On Windows use UTF-16 (or UTF-32 for 32-bit Tcl_UniChar) with the "surrogatepass" error handler for converting to/from Tcl Unicode objects. On Linux use UTF-8 with the "surrogateescape" error handler for converting to/from Tcl String objects. Converting strings from Tcl to Python and back now never fails (except MemoryError).
* Updated CODEOWNERS to indicate ownership of some modules. (GH-16578)Vinay Sajip2019-10-041-0/+8
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* bpo-38235: Correct some arguments names in logging documentation (GH-16571)Ashley Whetter2019-10-041-17/+17
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* bpo-38353: Rework ismodule() in getpath.c (GH-16574)Victor Stinner2019-10-041-64/+80
| | | | * ismodule() no longer modify the input string. * copy_absolute(), joinpath(): rename parameters and local variables.
* bpo-38353: Add subfunctions to getpath.c (GH-16572)Victor Stinner2019-10-042-157/+265
| | | | | | | | | | | | | | Following symbolic links is now limited to 40 attempts, just to prevent loops. Add subfunctions: * Add resolve_symlinks() * Add calculate_argv0_path_framework() * Add calculate_which() * Add calculate_program_macos() Fix also _Py_wreadlink(): readlink() result type is Py_ssize_t, not int.
* bpo-38353: Fix compiler warning in internal headers (GH-16573)Victor Stinner2019-10-043-16/+16
| | | | Replace "_PyRuntimeState" with "struct pyruntimestate" to avoid a warning on typedef re-definition.
* bpo-38353: Fix compiler warning in pycore_initconfig.h (GH-16570)Victor Stinner2019-10-031-2/+2
| | | | Replace "_PyRuntimeState" with "struct pyruntimestate" to avoid a warning on typedef re-definition.
* bpo-38353: Fix calculate_argv0_path() for symlinks (GH-16549)Victor Stinner2019-10-031-1/+1
| | | | calculate_argv0_path() must read argv0_path link, not read program_full_path link.
* bpo-34344 Fix AbstractEventLoopPolicy.get_event_loop docstring (GH-16463)idomic2019-10-031-2/+2
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* bpo-38359: Ensures pyw.exe launcher reads correct registry key (GH-16561)Steve Dower2019-10-032-1/+10
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* bpo-38355: Fix ntpath.realpath failing on sys.executable (GH-16551)Steve Dower2019-10-033-18/+15
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* bpo-36670: Enhance regrtest (GH-16556)Victor Stinner2019-10-035-56/+97
| | | | | | | | | | | | | | * Add log() method: add timestamp and load average prefixes to main messages. * WindowsLoadTracker: * LOAD_FACTOR_1 is now computed using SAMPLING_INTERVAL * Initialize the load to the arithmetic mean of the first 5 values of the Processor Queue Length value (so over 5 seconds), rather than 0.0. * Handle BrokenPipeError and when typeperf exit. * format_duration(1.5) now returns '1.5 sec', rather than '1 sec 500 ms'
* bpo-36670: Enhance regrtest WindowsLoadTracker (GH-16553)Victor Stinner2019-10-031-26/+42
| | | | The last line is now passed to the parser even if it does not end with a newline, but only if it's a valid value.
* bpo-36670, regrtest: Fix WindowsLoadTracker() for partial line (GH-16550)Victor Stinner2019-10-021-1/+4
| | | | WindowsLoadTracker.read_output() now uses a short buffer for incomplete line.
* bpo-38353: Cleanup includes in the internal C API (GH-16548)Victor Stinner2019-10-0216-31/+27
| | | | Use forward declaration of types to avoid includes in the internal C API. Add also comment to justify other includes.
* bpo-38338, test.pythoninfo: add more ssl infos (GH-16539)Victor Stinner2019-10-021-0/+31
| | | | | test.pythoninfo now logs environment variables used by OpenSSL and Python ssl modules, and logs attributes of 3 SSL contexts (SSLContext, default HTTPS context, stdlib context).
* bpo-36670: regrtest bug fixes (GH-16537)Victor Stinner2019-10-021-10/+12
| | | | | | | | * Fix TestWorkerProcess.__repr__(): start_time is only valid if _popen is not None. * Fix _kill(): don't set _killed to True if _popen is None. * _run_process(): only set _killed to False after calling run_test_in_subprocess().
* bpo-38343: Fixes version handling for nuget packages (GH-16527)Steve Dower2019-10-011-1/+1
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