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* bpo-43950: support some multi-line expressions for PEP 657 (GH-27339)Batuhan Taskaya2021-07-25
| | | | | | | | | | | | | | | | | | | | | This is basically something that I noticed up while fixing test runs for another issue. It is really common to have multiline calls, and when they fail the display is kind of weird since we omit the annotations. E.g; ``` $ ./python t.py Traceback (most recent call last): File "/home/isidentical/cpython/cpython/t.py", line 11, in <module> frame_1() ^^^^^^^^^ File "/home/isidentical/cpython/cpython/t.py", line 5, in frame_1 frame_2( File "/home/isidentical/cpython/cpython/t.py", line 2, in frame_2 return a / 0 / b / c ~~^~~ ZeroDivisionError: division by zero ``` This patch basically adds support for annotating the rest of the line, if the instruction covers multiple lines (start_line != end_line). Automerge-Triggered-By: GH:isidentical
* bpo-43950: check against the raw string, not the pyobject (GH-27337)Batuhan Taskaya2021-07-24
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* bpo-43950: ensure source_line is present when specialising the traceback ↵Batuhan Taskaya2021-07-24
| | | | (GH-27313)
* bpo-43950: Distinguish errors happening on character offset decoding (GH-27217)Batuhan Taskaya2021-07-20
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* bpo-43950: make BinOp specializations more reliable (GH-27126)Batuhan Taskaya2021-07-16
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* bpo-43950: Specialize tracebacks for subscripts/binary ops (GH-27037)Batuhan Taskaya2021-07-12
| | | | Co-authored-by: Ammar Askar <ammar@ammaraskar.com> Co-authored-by: Pablo Galindo <pablogsal@gmail.com>
* bpo-43950: Print columns in tracebacks (PEP 657) (GH-26958)Ammar Askar2021-07-05
| | | | | | | | The traceback.c and traceback.py mechanisms now utilize the newly added code.co_positions and PyCode_Addr2Location to print carets on the specific expressions involved in a traceback. Co-authored-by: Pablo Galindo <Pablogsal@gmail.com> Co-authored-by: Ammar Askar <ammar@ammaraskar.com> Co-authored-by: Batuhan Taskaya <batuhanosmantaskaya@gmail.com>
* bpo-44466: Faulthandler now detects the GC (GH-26823)Victor Stinner2021-06-21
| | | | The faulthandler module now detects if a fatal error occurs during a garbage collector collection (only if all_threads is true).
* bpo-42800: Rename AUDIT_READ to PY_AUDIT_READ (GH-25736)Steve Dower2021-04-30
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* bpo-42800: add audit hooks for f_code and tb_frame (GH-24182)Ryan Hileman2021-04-30
| | | | | | | | | | Accessing the following attributes will now fire PEP 578 style audit hooks as ("object.__getattr__", obj, name): * PyTracebackObject: tb_frame * PyFrameObject: f_code * PyGenObject: gi_code, gi_frame * PyCoroObject: cr_code, cr_frame * PyAsyncGenObject: ag_code, ag_frame Add an AUDIT_READ attribute flag aliased to READ_RESTRICTED. Update obsolete flag documentation.
* bpo-27129: Use instruction offsets, not byte offsets, in bytecode and ↵Mark Shannon2021-04-01
| | | | | | | internally. (GH-25069) * Use instruction offset, rather than bytecode offset. Streamlines interpreter dispatch a bit, and removes most EXTENDED_ARGs for jumps. * Change some uses of PyCode_Addr2Line to PyFrame_GetLineNumber
* bpo-42923: _Py_DumpExtensionModules() ignores stdlib ext (GH-24254)Victor Stinner2021-01-19
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* bpo-42923: Py_FatalError() avoids fprintf() (GH-24242)Victor Stinner2021-01-18
| | | | | * Replace buffered fprintf() with unbuffered _Py_write_noraise() in Py_FatalError(). * _Py_DumpHexadecimal() now accepts uintptr_t.
* bpo-26564: fix obsolete comment in traceback.c (GH-23819)Irit Katriel2020-12-17
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* bpo-42519: Replace PyMem_MALLOC() with PyMem_Malloc() (GH-23586)Victor Stinner2020-12-01
| | | | | | | | | | | No longer use deprecated aliases to functions: * Replace PyMem_MALLOC() with PyMem_Malloc() * Replace PyMem_REALLOC() with PyMem_Realloc() * Replace PyMem_FREE() with PyMem_Free() * Replace PyMem_Del() with PyMem_Free() * Replace PyMem_DEL() with PyMem_Free() Modify also the PyMem_DEL() macro to use directly PyMem_Free().
* bpo-40421: Add PyFrame_GetBack() function (GH-19765)Victor Stinner2020-04-29
| | | | | | New PyFrame_GetBack() function: get the frame next outer frame. Replace frame->f_back with PyFrame_GetBack(frame) in most code but frameobject.c, ceval.c and genobject.c.
* bpo-40429: PyFrame_GetCode() now returns a strong reference (GH-19773)Victor Stinner2020-04-29
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* bpo-40421: Add PyFrame_GetCode() function (GH-19757)Victor Stinner2020-04-28
| | | | | | | | | PyFrame_GetCode(frame): return a borrowed reference to the frame code. Replace frame->f_code with PyFrame_GetCode(frame) in most code, except in frameobject.c, genobject.c and ceval.c. Also add PyFrame_GetLineNumber() to the limited C API.
* bpo-40268: Remove unused osdefs.h includes (GH-19532)Victor Stinner2020-04-15
| | | When the include is needed, add required symbol in a comment.
* bpo-40268: Remove unused structmember.h includes (GH-19530)Victor Stinner2020-04-15
| | | | | | If only offsetof() is needed: include stddef.h instead. When structmember.h is used, add a comment explaining that PyMemberDef is used.
* bpo-40268: Remove a few pycore_pystate.h includes (GH-19510)Victor Stinner2020-04-14
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* bpo-39943: Add the const qualifier to pointers on non-mutable PyUnicode ↵Serhiy Storchaka2020-04-11
| | | | data. (GH-19345)
* bpo-39946: Remove _PyThreadState_GetFrame (GH-19094)Victor Stinner2020-03-20
| | | | | Remove _PyRuntime.getframe hook and remove _PyThreadState_GetFrame macro which was an alias to _PyRuntime.getframe. They were only exposed by the internal C API. Remove also PyThreadFrameGetter type.
* bpo-38070: _Py_DumpTraceback() writes <no Python frame> (GH-16244)Victor Stinner2019-09-17
| | | | | When a Python thread has no frame, _Py_DumpTraceback() and _Py_DumpTracebackThreads() now write "<no Python frame>", rather than writing nothing.
* bpo-37337: Add _PyObject_CallMethodNoArgs() (GH-14267)Jeroen Demeyer2019-07-08
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* bpo-36974: tp_print -> tp_vectorcall_offset and tp_reserved -> tp_as_async ↵Jeroen Demeyer2019-05-30
| | | | | | | | | (GH-13464) Automatically replace tp_print -> tp_vectorcall_offset tp_compare -> tp_as_async tp_reserved -> tp_as_async
* bpo-36829: PyErr_WriteUnraisable() normalizes exception (GH-13507)Victor Stinner2019-05-23
| | | | | | PyErr_WriteUnraisable() now creates a traceback object if there is no current traceback. Moreover, call PyErr_NormalizeException() and PyException_SetTraceback() to normalize the exception value. Ignore silently any error.
* bpo-35983: skip trashcan for subclasses (GH-11841)Jeroen Demeyer2019-05-10
| | | | | Add new trashcan macros to deal with a double deallocation that could occur when the `tp_dealloc` of a subclass calls the `tp_dealloc` of a base class and that base class uses the trashcan mechanism. Patch by Jeroen Demeyer.
* bpo-33029: Fix signatures of getter and setter functions. (GH-10746)Serhiy Storchaka2018-11-27
| | | Fix also return type for few other functions (clear, releasebuffer).
* bpo-35081: Rename internal headers (GH-10275)Victor Stinner2018-11-12
| | | | | | | | | | | | | | Rename Include/internal/ headers: * pycore_hash.h -> pycore_pyhash.h * pycore_lifecycle.h -> pycore_pylifecycle.h * pycore_mem.h -> pycore_pymem.h * pycore_state.h -> pycore_pystate.h Add missing headers to Makefile.pre.in and PCbuild: * pycore_condvar.h. * pycore_hamt.h * pycore_pyhash.h
* bpo-35081: Add pycore_ prefix to internal header files (GH-10263)Victor Stinner2018-11-01
| | | | | | | | | | | | | | | | | | | | * Rename Include/internal/ header files: * pyatomic.h -> pycore_atomic.h * ceval.h -> pycore_ceval.h * condvar.h -> pycore_condvar.h * context.h -> pycore_context.h * pygetopt.h -> pycore_getopt.h * gil.h -> pycore_gil.h * hamt.h -> pycore_hamt.h * hash.h -> pycore_hash.h * mem.h -> pycore_mem.h * pystate.h -> pycore_state.h * warnings.h -> pycore_warnings.h * PCbuild project, Makefile.pre.in, Modules/Setup: add the Include/internal/ directory to the search paths of header files. * Update includes. For example, replace #include "internal/mem.h" with #include "pycore_mem.h".
* bpo-34588: Fix an off-by-one error in traceback formatting. (GH-9077)Benjamin Peterson2018-09-10
| | | | | | | | The recursive frame pruning code always undercounted the number of elided frames by one. That is, in the "[Previous line repeated N more times]" message, N would always be one too few. Near the recursive pruning cutoff, one frame could be silently dropped. That situation is demonstrated in the OP of the bug report. The fix is to start the identical frame counter at 1.
* bpo-33012: Fix invalid function cast warnings with gcc 8 for METH_NOARGS. ↵Siddhesh Poyarekar2018-04-29
| | | | | | | | | (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-30579: Allow TracebackType creation and tb_next mutation from Python ↵Nathaniel J. Smith2018-01-07
| | | | | | | | | | | | | | | | | (GH-4793) Third party projects may wish to hide their own internal machinery in order to present more comprehensible tracebacks to end users (e.g. Jinja2 and Trio both do this). Previously such projects have had to rely on ctypes to do so: https://github.com/pallets/jinja/blob/fe3dadacdf4cf411d0a5b6bbd4d5234697a28af2/jinja2/debug.py#L345 https://github.com/python-trio/trio/blob/1e86b1aee8c0c759f6f239ae53a05d0d3963c629/trio/_core/_multierror.py#L296 This provides a Python level API for creating and modifying real Traceback objects, allowing tracebacks to be edited at runtime. Patch by Nathaniel Smith.
* bpo-31949: Fixed several issues in printing tracebacks ↵Serhiy Storchaka2017-11-15
| | | | | | | | | | | | (PyTraceBack_Print()). (#4289) * Setting sys.tracebacklimit to 0 or less now suppresses printing tracebacks. * Setting sys.tracebacklimit to None now causes using the default limit. * Setting sys.tracebacklimit to an integer larger than LONG_MAX now means using the limit LONG_MAX rather than the default limit. * Fixed integer overflows in the case of more than 2**31 traceback items on Windows. * Fixed output errors handling.
* bpo-25658: Implement PEP 539 for Thread Specific Storage (TSS) API (GH-1362)Masayuki Yamamoto2017-10-06
| | | | | | | | | See PEP 539 for details. Highlights of changes: - Add Thread Specific Storage (TSS) API - Document the Thread Local Storage (TLS) API as deprecated - Update code that used TLS API to use TSS API
* bpo-30860: Consolidate stateful runtime globals. (#3397)Eric Snow2017-09-07
| | | | | | | * 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-31370: Remove support for threads-less builds (#3385)Antoine Pitrou2017-09-07
| | | | | | * Remove Setup.config * Always define WITH_THREAD for compatibility.
* bpo-6532: Make the thread id an unsigned integer. (#781)Serhiy Storchaka2017-03-23
| | | | | | | | | | | * bpo-6532: Make the thread id an unsigned integer. From C API side the type of results of PyThread_start_new_thread() and PyThread_get_thread_ident(), the id parameter of PyThreadState_SetAsyncExc(), and the thread_id field of PyThreadState changed from "long" to "unsigned long". * Restore a check in thread_get_ident().
* Issue #23782: Fixed possible memory leak in _PyTraceback_Add() and exceptionSerhiy Storchaka2016-10-18
|\ | | | | | | loss in PyTraceBack_Here().
| * Issue #23782: Fixed possible memory leak in _PyTraceback_Add() and exceptionSerhiy Storchaka2016-10-18
| | | | | | | | loss in PyTraceBack_Here().
* | Avoid calling functions with an empty string as format stringVictor Stinner2016-09-05
| | | | | | | | Directly pass NULL rather than an empty string.
* | Fix reference leak in tb_printinternal()Victor Stinner2016-08-20
| | | | | | | | Issue #26823.
* | Issue #26823: Abbreviate recursive tracebacksNick Coghlan2016-08-15
| | | | | | | | | | | | | | | | Large sections of repeated lines in tracebacks are now abbreviated as "[Previous line repeated {count} more times]" by both the traceback module and the builtin traceback rendering. Patch by Emanuel Barry.
* | Issue #27336: Fix compilation failures --without-threadsBerker Peksag2016-06-17
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* | Rework _Py_DumpASCII() to make Coverity happyVictor Stinner2016-03-23
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* | Issue #23848: Expose _Py_DumpHexadecimal()Victor Stinner2016-03-23
| | | | | | | | This function will be reused by faulthandler.
* | faulthandler now works in non-Python threadsVictor Stinner2016-03-16
| | | | | | | | | | | | | | | | | | | | | | Issue #26563: * Add _PyGILState_GetInterpreterStateUnsafe() function: the single PyInterpreterState used by this process' GILState implementation. * Enhance _Py_DumpTracebackThreads() to retrieve the interpreter state from autoInterpreterState in last resort. The function now accepts NULL for interp and current_tstate parameters. * test_faulthandler: fix a ResourceWarning when test is interrupted by CTRL+c
* | Fix compilation error of traceback.c on WindowsVictor Stinner2016-03-16
| | | | | | | | Issue #26564.
* | Enhance and rewrite traceback dump C functionsVictor Stinner2016-03-15
|/ | | | | | | | | | | | | Issue #26564: * Expose _Py_DumpASCII() and _Py_DumpDecimal() in traceback.h * Change the type of the second _Py_DumpASCII() parameter from int to unsigned long * Rewrite _Py_DumpDecimal() and dump_hexadecimal() to write directly characters in the expected order, avoid the need of reversing the string. * dump_hexadecimal() limits width to the size of the buffer * _Py_DumpASCII() does nothing if the object is not a Unicode string * dump_frame() wrtites "???" as the line number if the line number is negative
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