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* bpo-45475: Revert `__iter__` optimization for GzipFile, BZ2File, and ↵Inada Naoki2021-10-191-4/+0
| | | | | LZMAFile. (GH-29016) This reverts commit d2a8e69c2c605fbaa3656a5f99aa8d295f74c80e.
* bpo-43613: Faster implementation of gzip.compress and gzip.decompress (GH-27941)Ruben Vorderman2021-09-021-53/+108
| | | Co-authored-by: Łukasz Langa <lukasz@langa.pl>
* bpo-44439: BZ2File.write() / LZMAFile.write() handle buffer protocol ↵Ma Lin2021-06-221-1/+1
| | | | | | | correctly (GH-26764) No longer use len() to get the length of the input data. For some buffer protocol objects, the length obtained by using len() is wrong.
* Fix typo in comment (GH-26162)Ashwin Ramaswami2021-05-161-1/+1
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* bpo-43787: Add __iter__ to GzipFile, BZ2File, and LZMAFile (GH-25353)Inada Naoki2021-04-131-0/+4
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* bpo-43510: Implement PEP 597 opt-in EncodingWarning. (GH-19481)Inada Naoki2021-03-291-0/+1
| | | | | | | | | | | 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-43317: Use io.DEFAULT_BUFFER_SIZE instead of 1024 in gzip CLI (#24645)Ruben Vorderman2021-02-261-1/+1
| | | This improves the performance slightly.
* bpo-43316: gzip: Fix sys.exit() usage. (GH-24652)Inada Naoki2021-02-261-1/+1
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* bpo-43316: gzip: CLI uses non-zero return code on error. (GH-24647)Ruben Vorderman2021-02-251-2/+1
| | | | Exit code is now 1 instead of 0. A message is printed to stderr instead of stdout. This is the proper behaviour for a tool that can be used in scripts.
* bpo-39389: gzip: fix compression level metadata (GH-18077)William Chargin2020-01-211-3/+9
| | | | | | As described in RFC 1952, section 2.3.1, the XFL (eXtra FLags) byte of a gzip member header should indicate whether the DEFLATE algorithm was tuned for speed or compression ratio. Prior to this patch, archives emitted by the `gzip` module always indicated maximum compression.
* bpo-28286: Deprecate opening GzipFile for writing implicitly. (GH-16417)Serhiy Storchaka2019-11-161-0/+8
| | | | Always specify the mode argument for writing.
* bpo-6584: Add a BadGzipFile exception to the gzip module. (GH-13022)Zackery Spytz2019-05-131-6/+11
| | | | | Co-Authored-By: Filip Gruszczyński <gruszczy@gmail.com> Co-Authored-By: Michele Orrù <maker@tumbolandia.net>
* fix typo in gzip.py (GH-12928)Maximilian Nöthe2019-04-241-1/+1
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* bpo-34898: Add mtime parameter to gzip.compress(). (GH-9704)guoci2018-11-071-2/+2
| | | | | Without setting mtime, time.time() will be used as the timestamp which will end up in the compressed data and each invocation of the compress() function will vary over time.
* bpo-34969: Add --fast, --best on the gzip CLI (GH-9833)Stéphane Wirtel2018-11-031-5/+22
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* bpo-23596: Use argparse for the command line of gzip (GH-9781)Stéphane Wirtel2018-10-091-13/+12
| | | | Co-authored-by: Antony Lee <anntzer.lee@gmail.com>
* 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.
* Issue #28227: gzip now supports pathlibBerker Peksag2016-10-021-1/+3
| | | | Patch by Ethan Furman.
* Use sequence repetition instead of bytes constructor with integer argument.Serhiy Storchaka2016-09-111-2/+2
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* Fix spelling (inital), grammar (may translates) in documentation, commentsMartin Panter2016-04-191-1/+1
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* Issue #22341: Drop Python 2 workaround and document CRC initial valueMartin Panter2015-12-111-4/+4
| | | | Also align the parameter naming in binascii to be consistent with zlib.
* Issue #23529: Limit the size of decompressed data when reading fromAntoine Pitrou2015-04-101-295/+188
| | | | | | | | GzipFile, BZ2File or LZMAFile. This defeats denial of service attacks using compressed bombs (i.e. compressed payloads which decompress to a huge size). Patch by Martin Panter and Nikolaus Rath.
* Issue #23865: close() methods in multiple modules now are idempotent and moreSerhiy Storchaka2015-04-101-12/+14
|\ | | | | | | | | robust at shutdown. If needs to release multiple resources, they are released even if errors are occured.
| * Issue #23865: close() methods in multiple modules now are idempotent and moreSerhiy Storchaka2015-04-101-12/+14
| | | | | | | | | | robust at shutdown. If needs to release multiple resources, they are released even if errors are occured.
| * Issue #21560: An attempt to write a data of wrong type no longer causeSerhiy Storchaka2015-03-231-2/+2
| | | | | | | | GzipFile corruption. Original patch by Wolfgang Maier.
* | Issue #23688: Added support of arbitrary bytes-like objects and avoidedSerhiy Storchaka2015-03-231-8/+11
|/ | | | | unnecessary copying of memoryview in gzip.GzipFile.write(). Original patch by Wolfgang Maier.
* Issue #20875: Merge from 3.3Ned Deily2014-03-091-1/+1
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| * Issue #20875: Prevent possible gzip "'read' is not defined" NameError.Ned Deily2014-03-091-1/+1
| | | | | | | | Patch by Claudiu Popa.
* | Issue #19222: Add support for the 'x' mode to the gzip module.Nadeem Vawda2013-10-181-7/+7
| | | | | | | | Original patch by Tim Heaney.
* | Issue #18743: Fix references to non-existant "StringIO" moduleSerhiy Storchaka2013-08-291-1/+1
|\ \ | |/ | | | | in docstrings and comments.
| * Issue #18743: Fix references to non-existant "StringIO" moduleSerhiy Storchaka2013-08-291-1/+1
| | | | | | | | in docstrings and comments.
| * Back out patch for #1159051, which caused backwards compatibility problems.Georg Brandl2013-05-121-37/+44
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* | Close #17666: Fix reading gzip files with an extra field.Serhiy Storchaka2013-04-081-1/+2
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| * Close #17666: Fix reading gzip files with an extra field.Serhiy Storchaka2013-04-081-1/+2
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* | Issue #1159051: GzipFile now raises EOFError when reading a corrupted fileSerhiy Storchaka2013-01-221-44/+37
|\ \ | |/ | | | | | | with truncated header or footer. Added tests for reading truncated gzip, bzip2, and lzma files.
| * Issue #1159051: GzipFile now raises EOFError when reading a corrupted fileSerhiy Storchaka2013-01-221-44/+37
| |\ | | | | | | | | | | | | with truncated header or footer. Added tests for reading truncated gzip, bzip2, and lzma files.
| | * Issue #1159051: GzipFile now raises EOFError when reading a corrupted fileSerhiy Storchaka2013-01-221-38/+34
| | | | | | | | | | | | | | | with truncated header or footer. Added tests for reading truncated gzip and bzip2 files.
| | * #15546: Fix GzipFile.peek()'s handling of pathological input data.Serhiy Storchaka2013-01-221-2/+4
| | | | | | | | | | | | This is a backport of changeset 8c07ff7f882f.
* | | Replace IOError with OSError (#16715)Andrew Svetlov2012-12-251-10/+10
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* | Issue #15677: Document that zlib and gzip accept a compression level of 0 to ↵Nadeem Vawda2012-11-111-3/+4
|\ \ | |/ | | | | | | | | mean 'no compression'. Patch by Brian Brazil.
| * Issue #15677: Document that zlib and gzip accept a compression level of 0 to ↵Nadeem Vawda2012-11-111-3/+4
| | | | | | | | | | | | mean 'no compression'. Patch by Brian Brazil.
* | Issue #15800: fix the closing of input / output files when gzip is used as a ↵Antoine Pitrou2012-08-291-2/+2
|\ \ | |/ | | | | script.
| * Issue #15800: fix the closing of input / output files when gzip is used as a ↵Antoine Pitrou2012-08-291-2/+2
| | | | | | | | script.
* | #15546: Also fix GzipFile.peek().Nadeem Vawda2012-08-051-2/+4
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* | #15546: Fix {GzipFile,LZMAFile}.read1()'s handling of pathological input data.Nadeem Vawda2012-08-051-1/+4
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* | Update GzipFile docstring to mention gzip.open()'s new text-mode support.Nadeem Vawda2012-06-301-1/+1
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* | Fix GzipFile's handling of filenames given as bytes objects.Nadeem Vawda2012-06-191-4/+4
|\ \ | |/ | | | | Add relevant tests for GzipFile, and also for BZ2File and LZMAFile.
| * Fix GzipFile's handling of filenames given as bytes objects.Nadeem Vawda2012-06-191-4/+4
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* | Add fileobj support to gzip.open().Nadeem Vawda2012-06-041-1/+12
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* | Closes #13989: Add support for text modes to gzip.open().Nadeem Vawda2012-05-061-9/+33
| | | | | | | | Also, add tests for gzip.open().
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