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* [3.12] gh-114286: Fix `maybe-uninitialized` warning in ↵Miss Islington (bot)2024-01-191-1/+1
| | | | | | | `Modules/_io/fileio.c` (GH-114287) (GH-114288) (cherry picked from commit 05e47202a34e6ae05e699af1083455f5b8b59496) Co-authored-by: Nikita Sobolev <mail@sobolevn.me>
* [3.12] gh-107913: Fix possible losses of OSError error codes (GH-107930) ↵Miss Islington (bot)2023-08-261-6/+6
| | | | | | | | | | | | (#108523) gh-107913: Fix possible losses of OSError error codes (GH-107930) Functions like PyErr_SetFromErrno() and SetFromWindowsErr() should be called immediately after using the C API which sets errno or the Windows error code. (cherry picked from commit 2b15536fa94d07e9e286826c23507402313ec7f4) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* gh-101819: Isolate `_io` (#101948)Erlend E. Aasland2023-05-151-1/+3
| | | | Co-authored-by: Kumar Aditya <59607654+kumaraditya303@users.noreply.github.com> Co-authored-by: Victor Stinner <vstinner@python.org>
* gh-101819: Refactor `_io` futher in preparation for module isolation (#104369)Erlend E. Aasland2023-05-111-22/+31
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* gh-101819: Prepare to modernize the _io extension (#104178)Victor Stinner2023-05-051-4/+9
| | | | | | | | | | | | | | | | | | | | | * Add references to static types to _PyIO_State: * PyBufferedIOBase_Type * PyBytesIOBuffer_Type * PyIncrementalNewlineDecoder_Type * PyRawIOBase_Type * PyTextIOBase_Type * Add the defining class to methods: * _io.BytesIO.getbuffer() * _io.FileIO.close() * Add get_io_state_by_cls() function. * Add state parameter to _textiowrapper_decode() * _io_TextIOWrapper___init__() now sets self->state before calling _textiowrapper_set_decoder(). Co-authored-by: Erlend E. Aasland <erlend.aasland@protonmail.com>
* gh-102255: Improve build support for Windows API partitions (GH-102256)Max Bachmann2023-03-091-0/+2
| | | | | Add `MS_WINDOWS_DESKTOP`, `MS_WINDOWS_APPS`, `MS_WINDOWS_SYSTEM` and `MS_WINDOWS_GAMES` preprocessor definitions to allow switching off functionality missing from particular API partitions ("partitions" are used in Windows to identify overlapping subsets of APIs). CPython only officially supports `MS_WINDOWS_DESKTOP` and `MS_WINDOWS_SYSTEM` (APPS is included by normal desktop builds, but APPS without DESKTOP is not covered). Other configurations are a convenience for people building their own runtimes. `MS_WINDOWS_GAMES` is for the Xbox subset of the Windows API, which is also available on client OS, but is restricted compared to `MS_WINDOWS_DESKTOP`. These restrictions may change over time, as they relate to the build headers rather than the OS support, and so we assume that Xbox builds will use the latest available version of the GDK.
* gh-102192: Replace PyErr_Fetch/Restore etc by more efficient alternatives ↵Irit Katriel2023-02-241-14/+17
| | | | (in Modules/) (#102196)
* gh-101819: Adapt _io types to heap types, batch 1 (GH-101949)Erlend E. Aasland2023-02-201-57/+33
| | | | | Adapt StringIO, TextIOWrapper, FileIO, Buffered*, and BytesIO types. Automerge-Triggered-By: GH:erlend-aasland
* bpo-15999: Accept arbitrary values for boolean parameters. (#15609)Serhiy Storchaka2022-12-031-2/+2
| | | builtins and extension module functions and methods that expect boolean values for parameters now accept any Python object rather than just a bool or int type. This is more consistent with how native Python code itself behaves.
* bpo-38031: Fix a possible assertion failure in _io.FileIO() (#GH-5688)Zackery Spytz2022-11-251-1/+5
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* gh-92536: PEP 623: Remove wstr and legacy APIs from Unicode (GH-92537)Inada Naoki2022-05-121-9/+0
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* bpo-46541: Replace core use of _Py_IDENTIFIER() with statically initialized ↵Eric Snow2022-02-081-7/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | global objects. (gh-30928) We're no longer using _Py_IDENTIFIER() (or _Py_static_string()) in any core CPython code. It is still used in a number of non-builtin stdlib modules. The replacement is: PyUnicodeObject (not pointer) fields under _PyRuntimeState, statically initialized as part of _PyRuntime. A new _Py_GET_GLOBAL_IDENTIFIER() macro facilitates lookup of the fields (along with _Py_GET_GLOBAL_STRING() for non-identifier strings). https://bugs.python.org/issue46541#msg411799 explains the rationale for this change. The core of the change is in: * (new) Include/internal/pycore_global_strings.h - the declarations for the global strings, along with the macros * Include/internal/pycore_runtime_init.h - added the static initializers for the global strings * Include/internal/pycore_global_objects.h - where the struct in pycore_global_strings.h is hooked into _PyRuntimeState * Tools/scripts/generate_global_objects.py - added generation of the global string declarations and static initializers I've also added a --check flag to generate_global_objects.py (along with make check-global-objects) to check for unused global strings. That check is added to the PR CI config. The remainder of this change updates the core code to use _Py_GET_GLOBAL_IDENTIFIER() instead of _Py_IDENTIFIER() and the related _Py*Id functions (likewise for _Py_GET_GLOBAL_STRING() instead of _Py_static_string()). This includes adding a few functions where there wasn't already an alternative to _Py*Id(), replacing the _Py_Identifier * parameter with PyObject *. The following are not changed (yet): * stop using _Py_IDENTIFIER() in the stdlib modules * (maybe) get rid of _Py_IDENTIFIER(), etc. entirely -- this may not be doable as at least one package on PyPI using this (private) API * (maybe) intern the strings during runtime init https://bugs.python.org/issue46541
* bpo-45434: Move _Py_BEGIN_SUPPRESS_IPH to pycore_fileutils.h (GH-28922)Victor Stinner2021-10-131-1/+2
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* bpo-36346: Make using the legacy Unicode C API optional (GH-21437)Serhiy Storchaka2020-07-101-0/+12
| | | | Add compile time option USE_UNICODE_WCHAR_CACHE. Setting it to 0 makes the interpreter not using the wchar_t cache and the legacy Unicode C API.
* bpo-37999: No longer use __int__ in implicit integer conversions. (GH-15636)Serhiy Storchaka2020-05-261-10/+0
| | | | Only __index__ should be used to make integer conversions lossless.
* bpo-40268: Remove unused structmember.h includes (GH-19530)Victor Stinner2020-04-151-1/+1
| | | | | | If only offsetof() is needed: include stddef.h instead. When structmember.h is used, add a comment explaining that PyMemberDef is used.
* closes bpo-27805: Ignore ESPIPE in initializing seek of append-mode files. ↵Benjamin Peterson2019-11-121-9/+15
| | | | | (GH-17112) This change, which follows the behavior of C stdio's fdopen and Python 2's file object, allows pipes to be opened in append mode.
* bpo-37206: Unrepresentable default values no longer represented as None. ↵Serhiy Storchaka2019-09-141-3/+3
| | | | | | | (GH-13933) In ArgumentClinic, value "NULL" should now be used only for unrepresentable default values (like in the optional third parameter of getattr). "None" should be used if None is accepted as argument and passing None has the same effect as not passing the argument at all.
* bpo-37547: add _PyObject_CallMethodOneArg (GH-14685)Jeroen Demeyer2019-07-111-2/+2
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* bpo-36974: tp_print -> tp_vectorcall_offset and tp_reserved -> tp_as_async ↵Jeroen Demeyer2019-05-311-2/+2
| | | | | | | | | (GH-13464) Automatically replace tp_print -> tp_vectorcall_offset tp_compare -> tp_as_async tp_reserved -> tp_as_async
* bpo-32388: Remove cross-version binary compatibility requirement in tp_flags ↵Antoine Pitrou2019-05-291-3/+3
| | | | | | | | (GH-4944) It is now allowed to add new fields at the end of the PyTypeObject struct without having to allocate a dedicated compatibility flag in tp_flags. This will reduce the risk of running out of bits in the 32-bit tp_flags value.
* bpo-36842: Implement PEP 578 (GH-12613)Steve Dower2019-05-231-0/+4
| | | Adds sys.audit, sys.addaudithook, io.open_code, and associated C APIs.
* bpo-35081: Add Include/internal/pycore_object.h (GH-10640)Victor Stinner2018-11-211-0/+1
| | | | Move _PyObject_GC_TRACK() and _PyObject_GC_UNTRACK() from Include/objimpl.h to Include/internal/pycore_object.h.
* bpo-33138: Change standard error message for non-pickleable and non-copyable ↵Serhiy Storchaka2018-10-311-9/+0
| | | | types. (GH-6239)
* bpo-24658: Fix read/write greater than 2 GiB on macOS (GH-1705)Stéphane Wirtel2018-10-171-5/+3
| | | On macOS, fix reading from and writing into a file with a size larger than 2 GiB.
* bpo-33012: Fix invalid function cast warnings with gcc 8 for METH_NOARGS. ↵Siddhesh Poyarekar2018-04-291-1/+1
| | | | | | | | | (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-32571: Avoid raising unneeded AttributeError and silencing it in C code ↵Serhiy Storchaka2018-01-251-5/+3
| | | | | (GH-5222) Add two new private APIs: _PyObject_LookupAttr() and _PyObject_LookupAttrId()
* bpo-32186: Release the GIL during lseek and fstat (#4652)Nir Soffer2017-12-011-1/+5
| | | | | | In _io_FileIO_readall_impl(), lseek() and _Py_fstat_noraise() were called without releasing the GIL. This can cause all threads to hang for unlimited time when calling FileIO.read() and the NFS server is not accessible.
* Replace KB unit with KiB (#4293)Victor Stinner2017-11-081-1/+1
| | | | | | | | | | | kB (*kilo* byte) unit means 1000 bytes, whereas KiB ("kibibyte") means 1024 bytes. KB was misused: replace kB or KB with KiB when appropriate. Same change for MB and GB which become MiB and GiB. Change the output of Tools/iobench/iobench.py. Round also the size of the documentation from 5.5 MB to 5 MiB.
* [security] bpo-13617: Reject embedded null characters in wchar* strings. (#2302)Serhiy Storchaka2017-06-281-2/+1
| | | | | | | 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-30228: FileIO seek() and tell() set seekable (#1384)Victor Stinner2017-05-021-15/+21
| | | | | | | FileIO.seek() and FileIO.tell() method now set the internal seekable attribute to avoid one syscall on open() (in buffered or text mode). The seekable property is now also more reliable since its value is set correctly on memory allocation failure.
* bpo-30022: Get rid of using EnvironmentError and IOError (except test… (#1051)Serhiy Storchaka2017-04-161-4/+4
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* bpo-29852: Argument Clinic Py_ssize_t converter now supports None (#716)Serhiy Storchaka2017-03-301-9/+2
| | | if pass `accept={int, NoneType}`.
* bpo-25455: Fixed crashes in repr of recursive buffered file-like objects. (#514)Serhiy Storchaka2017-03-191-3/+13
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* bpo-24037: Add Argument Clinic converter `bool(accept={int})`. (#485)Serhiy Storchaka2017-03-121-2/+2
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* Merge issue #28164 and issue #29409Steve Dower2017-02-041-17/+14
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| * Issue #29409: Implement PEP 529 for io.FileIO (Patch by Eryk Sun)Steve Dower2017-02-041-17/+14
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* | Issue #28768: Fix implicit declaration of function _setmode. Patch by ↵Steve Dower2016-12-281-0/+3
|\ \ | |/ | | | | Masayuki Yamamoto
| * Issue #28768: Fix implicit declaration of function _setmode. Patch by ↵Steve Dower2016-12-281-0/+3
| | | | | | | | Masayuki Yamamoto
* | Use _PyObject_CallMethodIdObjArgs() in _ioVictor Stinner2016-12-091-2/+2
|/ | | | | | | | | Issue #28915: Replace _PyObject_CallMethodId() with _PyObject_CallMethodIdObjArgs() when the format string was only made of "O" formats, PyObject* arguments. _PyObject_CallMethodIdObjArgs() avoids the creation of a temporary tuple and doesn't have to parse a format string.
* Issue #23524: Finish removing _PyVerify_fd from sourcesSteve Dower2016-09-081-26/+13
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* Issue #27066: Fixed SystemError if a custom opener (for open()) returns aBarry Warsaw2016-06-081-1/+7
|\ | | | | | | negative number without setting an exception.
| * Issue #27066: Fixed SystemError if a custom opener (for open()) returnsBarry Warsaw2016-06-081-1/+6
| | | | | | | | a negative number without setting an exception.
* | Issue #20699: Merge io bytes-like fixes from 3.5Martin Panter2016-05-281-2/+2
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| * Issue #20699: Document that “io” methods accept bytes-like objectsMartin Panter2016-05-281-2/+2
| | | | | | | | | | | | | | | | This matches the usage of ZipFile and BufferedWriter. This still requires return values to be bytes() objects. Also document and test that the write() methods should only access their argument before they return.
* | On ResourceWarning, log traceback where the object was allocatedVictor Stinner2016-03-191-2/+1
| | | | | | | | | | | | | | | | | | | | Issue #26567: * Add a new function PyErr_ResourceWarning() function to pass the destroyed object * Add a source attribute to warnings.WarningMessage * Add warnings._showwarnmsg() which uses tracemalloc to get the traceback where source object was allocated.
* | Issue #25923: Added more const qualifiers to signatures of static and ↵Serhiy Storchaka2015-12-251-2/+2
|/ | | | private functions.
* Issue #25717: Add comment explaining why errors are ignoredMartin Panter2015-12-061-0/+3
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* Issue #25717: Tolerate fstat() failures in the FileIO constructorMartin Panter2015-12-061-12/+27
| | | | | | This restores 3.4 behaviour, which was removed by revision 3b5279b5bfd1. The fstat() call fails with ENOENT for a Virtual Box shared folder filesystem if the file entry has been unlinked, e.g. for a temporary file.
* Issue #24001: Argument Clinic converters now use accept={type}Larry Hastings2015-05-041-2/+2
| | | | instead of types={'type'} to specify the types the converter accepts.
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