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* gh-62948: IOBase finalizer logs close() errors (#105104)Victor Stinner2023-05-311-16/+4
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* bpo-45975: Simplify some while-loops with walrus operator (GH-29347)Nick Drozd2022-11-261-4/+1
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* gh-98999: Raise `ValueError` in `_pyio` on closed buffers (gh-99009)Nikita Sobolev2022-11-031-0/+5
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* gh-94169: Remove deprecated io.OpenWrapper (#94170)Victor Stinner2022-06-241-16/+0
| | | | | | Remove io.OpenWrapper and _pyio.OpenWrapper, deprecated in Python 3.10: just use :func:`open` instead. The open() (io.open()) function is a built-in function. Since Python 3.10, _pyio.open() is also a static method.
* gh-93099: Fix _pyio to use locale module properly (gh-93136)Dong-hee Na2022-05-241-8/+11
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* gh-91952: Make TextIOWrapper.reconfigure() supports "locale" encoding (GH-91982)Inada Naoki2022-05-011-0/+2
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* gh-91526: io: Remove device encoding support from TextIOWrapper (GH-91529)Inada Naoki2022-04-191-8/+0
| | | | `TextIOWrapper.__init__()` called `os.device_encoding(file.fileno())` if fileno is 0-2 and encoding=None. But it is very rarely works, and never documented behavior.
* gh-91156: Fix `encoding="locale"` in UTF-8 mode (GH-70056)Inada Naoki2022-04-141-3/+5
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* bpo-47000: Make `io.text_encoding()` respects UTF-8 mode (GH-32003)Inada Naoki2022-04-041-3/+7
| | | Co-authored-by: Eric Snow <ericsnowcurrently@gmail.com>
* bpo-25415: Remove confusing sentence from IOBase docstrings (PR-31631)slateny2022-03-041-3/+2
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* bpo-46522: fix concurrent.futures and io AttributeError messages (GH-30887)Thomas Grainger2022-02-231-1/+1
| | | | Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com> Co-authored-by: Andrew Svetlov <andrew.svetlov@gmail.com>
* bpo-37330: open() no longer accept 'U' in file mode (GH-28118)Victor Stinner2021-09-021-13/+1
| | | | | open(), io.open(), codecs.open() and fileinput.FileInput no longer accept "U" ("universal newline") in the file mode. This flag was deprecated since Python 3.3.
* bpo-43680: Deprecate io.OpenWrapper (GH-25357)Victor Stinner2021-04-141-12/+14
| | | | | | | | Deprecate io.OpenWrapper and _pyio.OpenWrapper: use io.open and _pyio.open instead. Until Python 3.9, _pyio.open was not a static method and builtins.open was set to OpenWrapper to not become a bound method when set to a class variable. _io.open is a built-in function whereas _pyio.open is a Python function. In Python 3.10, _pyio.open() is now a static method, and builtins.open() is now io.open().
* bpo-43680: _pyio.open() becomes a static method (GH-25354)Victor Stinner2021-04-121-11/+9
| | | | | | | | | | | The Python _pyio.open() function becomes a static method to behave as io.open() built-in function: don't become a bound method when stored as a class variable. It becomes possible since static methods are now callable in Python 3.10. Moreover, _pyio.OpenWrapper becomes a simple alias to _pyio.open. init_set_builtins_open() now sets builtins.open to io.open, rather than setting it to io.OpenWrapper, since OpenWrapper is now an alias to open in the io and _pyio modules.
* Revert "bpo-43510: PEP 597: Accept `encoding="locale"` in binary mode ↵Inada Naoki2021-03-311-1/+1
| | | | | (GH-25103)" (#25108) This reverts commit ff3c9739bd69aa8b58007e63c9e40e6708b4761e.
* bpo-43510: PEP 597: Accept `encoding="locale"` in binary mode (GH-25103)Inada Naoki2021-03-311-1/+1
| | | | It make `encoding="locale"` usable everywhere `encoding=None` is allowed.
* bpo-43510: Implement PEP 597 opt-in EncodingWarning. (GH-19481)Inada Naoki2021-03-291-10/+37
| | | | | | | | | | | See [PEP 597](https://www.python.org/dev/peps/pep-0597/). * Add `-X warn_default_encoding` and `PYTHONWARNDEFAULTENCODING`. * Add EncodingWarning * Add io.text_encoding() * open(), TextIOWrapper() emits EncodingWarning when encoding is omitted and warn_default_encoding is enabled. * _pyio.TextIOWrapper() uses UTF-8 as fallback default encoding used when failed to import locale module. (used during building Python) * bz2, configparser, gzip, lzma, pathlib, tempfile modules use io.text_encoding(). * What's new entry
* bpo-39674: Revert "bpo-37330: open() no longer accept 'U' in file mode ↵Victor Stinner2020-03-041-1/+13
| | | | | | | (GH-16959)" (GH-18767) This reverts commit e471e72977c83664f13d041c78549140c86c92de. The mode will be removed from Python 3.10.
* bpo-35950: Raise UnsupportedOperation in BufferedReader.truncate() (GH-18586)Berker Peksag2020-02-211-0/+3
| | | | | | | | | | | | | | | The truncate() method of io.BufferedReader() should raise UnsupportedOperation when it is called on a read-only io.BufferedReader() instance. https://bugs.python.org/issue35950 Automerge-Triggered-By: @methane
* closes bpo-27805: Ignore ESPIPE in initializing seek of append-mode files. ↵Benjamin Peterson2019-11-121-1/+5
| | | | | (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-37330: open() no longer accept 'U' in file mode (GH-16959)Victor Stinner2019-10-281-13/+1
| | | | | open(), io.open(), codecs.open() and fileinput.FileInput no longer accept "U" ("universal newline") in the file mode. This flag was deprecated since Python 3.3.
* bpo-15999: Clean up of handling boolean arguments. (GH-15610)Serhiy Storchaka2019-09-011-4/+4
| | | | | | * Use the 'p' format unit instead of manually called PyObject_IsTrue(). * Pass boolean value instead 0/1 integers to functions that needs boolean. * Convert some arguments to boolean only once.
* bpo-36743: __get__ is sometimes called without the owner argument (#12992)Raymond Hettinger2019-08-291-1/+1
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* bpo-37960: Silence only necessary errors in repr() of buffered and text ↵Serhiy Storchaka2019-08-291-4/+4
| | | | streams. (GH-15543)
* Fix typos in comments, docs and test names (#15018)Min ho Kim2019-07-301-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | * Fix typos in comments, docs and test names * Update test_pyparse.py account for change in string length * Apply suggestion: splitable -> splittable Co-Authored-By: Terry Jan Reedy <tjreedy@udel.edu> * Apply suggestion: splitable -> splittable Co-Authored-By: Terry Jan Reedy <tjreedy@udel.edu> * Apply suggestion: Dealloccte -> Deallocate Co-Authored-By: Terry Jan Reedy <tjreedy@udel.edu> * Update posixmodule checksum. * Reverse idlelib changes.
* bpo-37388: Development mode check encoding and errors (GH-14341)Victor Stinner2019-06-251-0/+4
| | | | | | | | | In development mode and in debug build, encoding and errors arguments are now checked on string encoding and decoding operations. Examples: open(), str.encode() and bytes.decode(). By default, for best performances, the errors argument is only checked at the first encoding/decoding error, and the encoding argument is sometimes ignored for empty strings.
* bpo-18748: Fix _pyio.IOBase destructor (closed case) (GH-13952)Victor Stinner2019-06-111-0/+10
| | | | _pyio.IOBase destructor now does nothing if getting the closed attribute fails to better mimick _io.IOBase finalizer.
* bpo-37054, _pyio: Fix BytesIO and TextIOWrapper __del__() (GH-13601)Victor Stinner2019-05-271-1/+10
| | | | | Fix destructor _pyio.BytesIO and _pyio.TextIOWrapper: initialize their _buffer attribute as soon as possible (in the class body), because it's used by __del__() which calls close().
* bpo-36842: Implement PEP 578 (GH-12613)Steve Dower2019-05-231-0/+23
| | | Adds sys.audit, sys.addaudithook, io.open_code, and associated C APIs.
* bpo-18748: _pyio.IOBase emits unraisable exception (GH-13512)Victor Stinner2019-05-231-8/+15
| | | | | | | | In development (-X dev) mode and in a debug build, IOBase finalizer of the _pyio module now logs the exception if the close() method fails. The exception is ignored silently by default in release build. test_io: test_error_through_destructor() now uses support.catch_unraisable_exception() rather than capturing stderr.
* bpo-36523: Add docstring to io.IOBase.writelines (GH-12683)Marcin Niemira2019-04-221-0/+5
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* closes bpo-35848: Move all documentation regarding the readinto out of ↵Steve Palmer2019-04-091-6/+4
| | | | | | | IOBase. (GH-11893) Move all documentation regarding the readinto method into either io.RawIOBase or io.BufferedIOBase. Corresponding changes to documentation in the _pyio.py module.
* Use names SEEK_SET, etc instead of magic number (GH-12057)ngie-eign2019-03-031-3/+3
| | | | | | | The previous code hardcoded `SEEK_SET`, etc. While it's very unlikely that these values will change, it's best to use the definitions to avoid there being mismatches in behavior with the code in the future. Signed-off-by: Enji Cooper <yaneurabeya@gmail.com>
* bpo-33138: Change standard error message for non-pickleable and non-copyable ↵Serhiy Storchaka2018-10-311-3/+2
| | | | types. (GH-6239)
* bpo-32236: open() emits RuntimeWarning if buffering=1 for binary mode (GH-4842)Alexey Izbyshev2018-10-201-0/+5
| | | | | | | | | If buffering=1 is specified for open() in binary mode, it is silently treated as buffering=-1 (i.e., the default buffer size). Coupled with the fact that line buffering is always supported in Python 2, such behavior caused several issues (e.g., bpo-10344, bpo-21332). Warn that line buffering is not supported if open() is called with binary mode and buffering=1.
* Remove wording that could be deemed to be perjorative (GH-9287)Raymond Hettinger2018-09-141-1/+1
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* bpo-25862: Fix assertion failures in io.TextIOWrapper.tell(). (GH-3918)Zackery Spytz2018-06-291-0/+1
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* bpo-15216: io: TextIOWrapper.reconfigure() accepts encoding, errors and ↵INADA Naoki2017-12-211-20/+56
| | | | newline (GH-2343)
* bpo-17852: Revert incorrect fix based on misunderstanding of _Py_PyAtExit() ↵Antoine Pitrou2017-12-131-24/+0
| | | | semantics (#4826)
* bpo-31976: Fix race condition when flushing a file is slow. (#4331)benfogle2017-11-101-2/+17
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* bpo-17852: Maintain a list of BufferedWriter objects. Flush them on exit. ↵Neil Schemenauer2017-09-221-0/+24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (#3372) * Maintain a list of BufferedWriter objects. Flush them on exit. In Python 3, the buffer and the underlying file object are separate and so the order in which objects are finalized matters. This is unlike Python 2 where the file and buffer were a single object and finalization was done for both at the same time. In Python 3, if the file is finalized and closed before the buffer then the data in the buffer is lost. This change adds a doubly linked list of open file buffers. An atexit hook ensures they are flushed before proceeding with interpreter shutdown. This is addition does not remove the need to properly close files as there are other reasons why buffered data could get lost during finalization. Initial patch by Armin Rigo. * Use weakref.WeakSet instead of WeakKeyDictionary. * Simplify buffered double-linked list types. * In _flush_all_writers(), suppress errors from flush(). * Remove NEWS entry, use blurb. * Take more care when flushing file buffers from atexit. The previous implementation was not careful enough to avoid causing issues in multi-threaded cases. Check for buf->ok and buf->finalizing before actually doing the flush. Also, increase the refcnt to ensure the object does not disappear.
* bpo-31370: Remove support for threads-less builds (#3385)Antoine Pitrou2017-09-071-4/+1
| | | | | | * Remove Setup.config * Always define WITH_THREAD for compatibility.
* Revert "bpo-17852: Maintain a list of BufferedWriter objects. Flush them on ↵Neil Schemenauer2017-09-051-24/+0
| | | | | exit. (#1908)" (#3337) This reverts commit e38d12ed34870c140016bef1e0ff10c8c3d3f213.
* bpo-17852: Maintain a list of BufferedWriter objects. Flush them on exit. ↵Neil Schemenauer2017-09-051-0/+24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | (#1908) * Maintain a list of BufferedWriter objects. Flush them on exit. In Python 3, the buffer and the underlying file object are separate and so the order in which objects are finalized matters. This is unlike Python 2 where the file and buffer were a single object and finalization was done for both at the same time. In Python 3, if the file is finalized and closed before the buffer then the data in the buffer is lost. This change adds a doubly linked list of open file buffers. An atexit hook ensures they are flushed before proceeding with interpreter shutdown. This is addition does not remove the need to properly close files as there are other reasons why buffered data could get lost during finalization. Initial patch by Armin Rigo. * Use weakref.WeakSet instead of WeakKeyDictionary. * Simplify buffered double-linked list types. * In _flush_all_writers(), suppress errors from flush(). * Remove NEWS entry, use blurb.
* bpo-29741: Update some methods in the _pyio module to also accept integer ↵Oren Milman2017-08-241-14/+38
| | | | types. Patch by Oren Milman. (#560)
* Fix bpo-30526: Add TextIOWrapper.reconfigure() and a ↵Antoine Pitrou2017-06-031-1/+22
| | | | | | | | | | TextIOWrapper.write_through attribute (#1922) * Fix bpo-30526: Add TextIOWrapper.reconfigure() * Apply Nick's improved wording * Update Misc/NEWS
* Fix small exception typos in Lib (#818)Jim Fasarakis-Hilliard2017-03-261-2/+2
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* Merge from 3.6.Serhiy Storchaka2016-12-071-1/+1
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| * Merge from 3.5.Serhiy Storchaka2016-12-071-1/+1
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| | * Change order of io.UnsupportedOperation base classes.Serhiy Storchaka2016-12-071-1/+1
| | | | | | | | | | | | This makes tests passing after changes by issue #5322.
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