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* gh-101979: argparse: fix a bug where parentheses in metavar argument of ↵Miss Islington (bot)2023-03-051-3/+10
| | | | | | | add_argument() were dropped (GH-102318) (cherry picked from commit 9a478be1a4314734c697dda7a7b0e633a6fb0751) Co-authored-by: Yeojin Kim <yeojin.dev@gmail.com>
* gh-80448: argparse: Fix IndexError on store_true action (GH-15656)Miss Islington (bot)2022-11-121-1/+5
| | | | | | | | (cherry picked from commit e02cc6d42aee1f0a9ee629f76576eee478224d9d) Co-authored-by: Hai Shi <shihai1992@gmail.com> Co-authored-by: Rémi Lapeyre <remi.lapeyre@henki.fr> Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com> Co-authored-by: Shantanu <12621235+hauntsaninja@users.noreply.github.com>
* gh-91832: Add 'required' attr to argparse.Action repr (GH-91841)Miss Islington (bot)2022-04-281-0/+1
| | | | | | | | | | | | GH- Adding 'required' to names in Lib.argparse.Action gh-91832: Added 'required' to the list `names` in `Lib.argparse.Action`. Changed constant strings that test the Action object. Automerge-Triggered-By: GH:merwok (cherry picked from commit 4ed3900041c688a02dca1eb3323083d720dd0d93) Co-authored-by: Abhigyan Bose <abhigyandeepbose@gmail.com>
* bpo-14156: Make argparse.FileType work correctly for binary file modes when ↵Miss Islington (bot)2022-03-061-4/+4
| | | | | | | | | argument is '-' (GH-13165) Also made modes containing 'a' or 'x' act the same as a mode containing 'w' when argument is '-' (so 'a'/'x' return sys.stdout like 'w', and 'ab'/'xb' return sys.stdout.buffer like 'wb'). (cherry picked from commit eafec26ae5327bb23b6dace2650b074c3327dfa0) Co-authored-by: MojoVampire <shadowranger+github@gmail.com>
* bpo-46080: fix argparse help generation exception in edge case (GH-30111)Miss Islington (bot)2022-01-201-1/+1
| | | | | | | | Fix an uncaught exception during help text generation when argparse.BooleanOptionalAction is used with default=argparse.SUPPRESS and help is specified. (cherry picked from commit 9e87c0e03fa501fb90008547983ce4c1dcaaf90c) Co-authored-by: Felix Fontein <felix@fontein.de>
* argparse docs: prog default is the basename of argv[0] (GH-30298) (GH-30339)Miss Islington (bot)2022-01-021-1/+2
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* bpo-26952: [argparse] clearer error when formatting an empty mutually… ↵Miss Islington (bot)2021-12-151-0/+3
| | | | | | | (GH-30099) (GH-30114) (cherry picked from commit 86de99588db3beff964137f4fe27dd1077a09b35) Co-authored-by: Irit Katriel <1055913+iritkatriel@users.noreply.github.com>
* bpo-45235: Revert an argparse bugfix that caused a regression (GH-29525) ↵Miss Islington (bot)2021-11-121-7/+6
| | | | (GH-29530)
* bpo-24444: fix an error in argparse help when help for an option is blank ↵Miss Islington (bot)2021-10-131-5/+6
| | | | | | | (GH-28050) (GH-28931) (cherry picked from commit 6fafc25aea8689048314b5bf7a9bb986bb1ce238) Co-authored-by: andrei kulakov <andrei.avk@gmail.com>
* bpo-45235: Fix argparse overrides namespace with subparser defaults ↵Miss Islington (bot)2021-09-181-6/+7
| | | | (GH-28420) (GH-28442)
* bpo-38956: don't print BooleanOptionalAction's default twice (GH-27672)Miss Islington (bot)2021-08-171-1/+1
| | | | | | Co-authored-by: Micky Yun Chan <michan@redhat.com> (cherry picked from commit 1512bc21d60f098a9e9f37b44a2f6a9b49a3fd4f) Co-authored-by: Maximilian Hils <git@maximilianhils.com>
* bpo-29298: Fix crash with required subparsers without dest (GH-3680) (GH-27303)Miss Islington (bot)2021-07-231-0/+2
| | | | | (cherry picked from commit 17575f73ce2cb9f3a4eb4cc416c690f9a4e7205c) Co-authored-by: Anthony Sottile <asottile@umich.edu>
* bpo-9694: Fix misleading phrase "optional arguments" (GH-23858)Raymond Hettinger2020-12-231-1/+1
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* bpo-40862: Raise TypeError when const is given to ↵Rémi Lapeyre2020-06-051-1/+0
| | | | argparse.BooleanOptionalAction (GH-20623)
* bpo-39058: Preserve attribute order in argparse Namespace reprs. (GH-17621)Raymond Hettinger2020-05-181-1/+1
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* bpo-39546: argparse: Honor allow_abbrev=False for specified prefix_chars ↵Kyle Meyer2020-02-181-28/+28
| | | | | | | | | | | | | | | | | | | | | | | | | | (GH-18337) When `allow_abbrev` was first added, disabling the abbreviation of long options broke the grouping of short flags ([bpo-26967](https://bugs.python.org/issue26967)). As a fix, b1e4d1b603 (contained in v3.8) ignores `allow_abbrev=False` for a given argument string if the string does _not_ start with "--" (i.e. it doesn't look like a long option). This fix, however, doesn't take into account that long options can start with alternative characters specified via `prefix_chars`, introducing a regression: `allow_abbrev=False` has no effect on long options that start with an alternative prefix character. The most minimal fix would be to replace the "starts with --" check with a "starts with two prefix_chars characters". But `_get_option_tuples` already distinguishes between long and short options, so let's instead piggyback off of that check by moving the `allow_abbrev` condition into `_get_option_tuples`. https://bugs.python.org/issue39546
* Defer import of shutil which only needed for help and usage (GH-17334)Raymond Hettinger2019-11-221-3/+3
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* bpo-38821: Fix crash in argparse when using gettext (GH-17192)Federico Bond2019-11-201-2/+3
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* bpo-38438: Simplify argparse "star nargs" usage. (GH-17106)Brandt Bucher2019-11-111-1/+5
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* bpo-8538: Add support for boolean actions to argparse (GH-11478)Rémi Lapeyre2019-09-131-1/+46
| | | Co-Authored-By: remilapeyre <remi.lapeyre@henki.fr>
* bpo-37785: Fix xgettext warning in argparse (GH-15161)Jakub Kulík2019-09-131-2/+3
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* bpo-9938: Add optional keyword argument exit_on_error to ↵Hai Shi2019-09-121-9/+17
| | | | | | | | | | | | argparse.ArgumentParser (GH-15362) Co-Authored-by: Xuanji Li <xuanji@gmail.com> https://bugs.python.org/issue9938 Automerge-Triggered-By: @matrixise
* Steven Bethard designated a new maintainer for argparse (GH-15605)Raymond Hettinger2019-08-301-0/+1
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* bpo-29553: Fix ArgumentParser.format_usage() for mutually exclusive groups ↵Flavian Hautbois2019-08-251-2/+8
| | | | | (GH-14976) Co-authored-by: Andrew Nester <andrew.nester.dev@gmail.com>
* bpo-16970: Adding error message for invalid args (GH-14844)tmblweed2019-08-021-3/+6
| | | | | | | | BPO -16970: Adding error message for invalid args Applied the patch argparse-v2 patch issue 16970, ran patch check and the test suite, test_argparse with 0 errors https://bugs.python.org/issue16970
* bpo-26967: fix flag grouping with allow_abbrev=False (GH-14316)Zac Hatfield-Dodds2019-07-141-1/+1
| | | | | | | | | | | The `allow_abbrev` option for ArgumentParser is documented and intended to disable support for unique prefixes of --options, which may sometimes be ambiguous due to deferred parsing. However, the initial implementation also broke parsing of grouped short flags, such as `-ab` meaning `-a -b` (or `-a=b`). Checking the argument for a leading `--` before rejecting it fixes this. This was prompted by pytest-dev/pytest#5469, so a backport to at least 3.8 would be great :smile: And this is my first PR to CPython, so please let me know if I've missed anything! https://bugs.python.org/issue26967
* Remove redundant if check from optional argument function in argparse. (GH-8766)Shashank Parekh2019-06-211-4/+2
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* bpo-37150: Throw ValueError if FileType class object was passed in ↵zygocephalus2019-06-071-0/+4
| | | | | | | | | | | | | | add_argument (GH-13805) There is a possibility that someone (like me) accidentally will omit parentheses with `FileType` arguments after `FileType`, and parser will contain wrong file until someone will try to use it. Example: ```python parser = argparse.ArgumentParser() parser.add_argument('-x', type=argparse.FileType) ``` https://bugs.python.org/issue37150
* bpo-23378: Add an extend action to argparse (GH-13305)Batuhan Taşkaya2019-05-211-0/+7
| | | | | | Add an extend action to argparse https://bugs.python.org/issue23378
* Remove superseded line from argparse.HelpFormatter() (GH-8839)Grant Jenks2018-08-221-1/+0
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* bpo-13041: Use shutil.get_terminal_size() in argparse.HelpFormatter (GH-8459)Berker Peksag2018-07-251-4/+2
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* bpo-11874: fix assertion failure in argparse metavar handling (GH-1826)wim glenn2018-06-081-1/+5
| | | | | | - bugfix and test for fragile metavar handling in argparse (see bpo-24089, bpo-14046, bpo-25058, bpo-11874) - also fixes some incorrect tests that did not make 1-element tuples correctly
* bpo-33109: argparse subparsers are once again not required by default (GH-6919)Ned Deily2018-05-241-1/+1
| | | | | | | | | bpo-26510 in 3.7.0a2 changed the behavior of argparse to make subparsers required by default, returning to the behavior of 2.7 and 3.2. The behavior was changed in 3.3 to be no longer required. While it might make more sense to have the default to required, compatibility with 3.3 through 3.6 is probably less disruptive than trying to reintroduce compatibility with 2.7 at this point. This change restores the 3.6 behavior.
* OrderedDict import is no longer needed (#4890)Raymond Hettinger2018-01-121-2/+1
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* bpo-30152: Reduce the number of imports for argparse. (#1269)Serhiy Storchaka2017-09-251-14/+26
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* bpo-26510: make argparse subparsers required by default (#3027)Anthony Sottile2017-09-201-0/+2
| | | | | | This fixes a regression from Python 2. To get optional subparsers, use the new parameter ``add_subparsers(required=False)``. Patch by Anthony Sottile.
* bpo-14191 Add parse_intermixed_args. (#3319)R. David Murray2017-09-071-0/+95
| | | This adds support for parsing a command line where options and positionals are intermixed as is common in many unix commands. This is paul.j3's patch with a few tweaks.
* Issue #29290: Merge 3.5.Xiang Zhang2017-01-221-1/+1
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| * Issue #29290: argparse help messages won't wrap at non-breaking spaces.Xiang Zhang2017-01-221-1/+1
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* | Issue #12713: reverted fix pending further discussion.Vinay Sajip2016-08-231-18/+5
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* | Closes #12713: Allowed abbreviation of subcommands in argparse.Vinay Sajip2016-08-181-5/+18
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* | Issue #17940: Remove redundant code from _Section.format_help()Berker Peksag2016-03-051-2/+0
| | | | | | | | | | | | | | | | | | | | | | Output of func(*args) stored in the next line: item_help = join([func(*args) for func, args in self.items]) _Section.items only used by HelpFormatter._add_item() and it looks like it doesn't have any side effects. Patch by Yogesh Chaudhari.
* | Issue #24360: Improve __repr__ of argparse.Namespace() for invalid identifiers.Berker Peksag2015-07-291-1/+7
|/ | | | Patch by Matthias Bussonnier.
* Issue #14910: Add allow_abbrev parameter to argparse.ArgumentParser.Berker Peksag2015-02-131-18/+22
| | | | Patch by Jonathan Paugh, Steven Bethard, paul j3 and Daniel Eriksson.
* Issue #23326: Removed __ne__ implementations. Since fixing default __ne__Serhiy Storchaka2015-01-311-5/+0
| | | | implementation in issue #21408 they are redundant.
* Closes #22675: fix typo.Georg Brandl2014-10-201-1/+1
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* #9351: set_defaults on subparser is no longer ignored if set on parent.R David Murray2014-10-171-1/+8
| | | | | | | | Before, if a default was set on the parent parser, any default for that variable set via set_defaults on a subparser would be ignored. Now the subparser set_defaults is honored. Patch by Jyrki Pullianinen.
* Issue #21481: Teach argparse equality tests to return NotImplemented when ↵Raymond Hettinger2014-05-261-0/+4
| | | | comparing to unknown types.
* Issue #13107: argparse and optparse no longer raises an exception when outputSerhiy Storchaka2014-01-091-3/+5
|\ | | | | | | | | a help on environment with too small COLUMNS. Based on patch by Elazar Gershuni.
| * Issue #13107: argparse and optparse no longer raises an exception when outputSerhiy Storchaka2014-01-091-3/+5
| | | | | | | | | | a help on environment with too small COLUMNS. Based on patch by Elazar Gershuni.
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