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* bpo-38871: Fix lib2to3 for filter-based statements that contain lambda ↵Miss Islington (bot)2020-01-072-3/+12
| | | | | | | | | (GH-17780) Correctly parenthesize filter-based statements that contain lambda expressions in lib2to3. (cherry picked from commit b821173b5458d137c8d5edb6e9b4997aac800a38) Co-authored-by: Dong-hee Na <donghee.na92@gmail.com>
* bpo-33348: parse expressions after * and ** in lib2to3 (GH-6586)Miss Skeleton (bot)2019-10-245-11/+12
| | | | | | | | | | These are valid even in python 2.7 https://bugs.python.org/issue33348 Automerge-Triggered-By: @gpshead (cherry picked from commit 96b06aefe23521b61e4e9cdd44f5d30b00c7eb95) Co-authored-by: Zsolt Dollenstein <zsol.zsol@gmail.com>
* closes bpo-37675: Use pkgutil.iter_modules to find fixers in a package ↵Miss Islington (bot)2019-07-251-4/+4
| | | | | | | rather than listdir. (14942) (cherry picked from commit 93e8aa62cfd0a61efed4a61a2ffc2283ae986ef2) Co-authored-by: Benjamin Peterson <benjamin@python.org>
* Fix typos in docs and docstrings (GH-13745)Xtreak2019-06-021-1/+1
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* bpo-5028: Fix up rest of documentation for tokenize documenting line (GH-13686)Anthony Sottile2019-05-301-1/+1
| | | https://bugs.python.org/issue5028
* bpo-5028: fix doc bug for tokenize (GH-11683)Andrew Carr2019-05-301-1/+1
| | | https://bugs.python.org/issue5028
* bpo-23896: Add a grammar where exec isn't a stmt (#13272)Batuhan Taşkaya2019-05-201-0/+3
| | | https://bugs.python.org/issue23896
* bpo-36766: Typos in docs and code comments (GH-13116)penguindustin2019-05-061-1/+1
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* bpo-35312: Make lib2to3.pgen2.parse.ParseError round-trip pickle-able. ↵Anthony Sottile2018-11-272-0/+15
| | | | (GH-10710)
* bpo-35202: Remove unused imports in Lib directory. (GH-10446)Srinivas Thatiparthy (శ్రీనివాస్ తాటిపర్తి)2018-11-102-2/+0
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* bpo-16965: 2to3 now rewrites execfile() to open with 'rb'. (GH-8569)Zackery Spytz2018-10-132-9/+10
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* closes bpo-34515: Support non-ASCII identifiers in lib2to3. (GH-8950)Monson Shao2018-09-152-6/+15
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* Revert "closes bpo-27494: Fix 2to3 handling of trailing comma after a ↵Serhiy Storchaka2018-07-316-36/+10
| | | | | | | | generator expression (GH-3771)" (#8241) This reverts commit af810b35b494ef1d255d4bf340b92a9dad446995. This is not valid syntax (see bpo-32012).
* bpo-21446: Update reload fixer to use importlib (GH-8391)Berker Peksag2018-07-232-9/+9
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* bpo-34108: Fix double carriage return in 2to3 on Windows (#8271)Jason R. Coombs2018-07-132-1/+2
| | | | | * Add test capturing failure. * Honor newlines as present in the original file.
* bpo-31583: Fix 2to3 for using with --add-suffix option (GH-3758)Denis Osipov2018-04-181-1/+1
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* bpo-11594: Ensure line-endings are respected when using 2to3 (GH-6483)Aaron Ang2018-04-173-18/+34
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* [lib2to3] Make grammar pickling faster (#6491)Łukasz Langa2018-04-171-25/+2
| | | | | | | | | * Now uses pickle protocol 4 * Doesn't wrap the grammar's `__dict__` in ordered dictionaries anymore as dictionaries in Python 3.6+ are ordered by default This still produces deterministic pickles (that hash the same with MD5). Tested with different PYTHONHASHSEED values.
* Add support for all string literals to lib2to3 (#6457)Zsolt Dollenstein2018-04-162-52/+28
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* Revert "bpo-30406: Make async and await proper keywords (#1669)" (GH-6143)Jelle Zijlstra2018-03-184-20/+94
| | | | | This reverts commit ac317700ce7439e38a8b420218d9a5035bba92ed. (Reverts only the lib2to3 part.)
* lib2to3: Add more tests (#6101)Łukasz Langa2018-03-131-0/+108
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* bpo-33064: lib2to3: support trailing comma after *args and **kwargs (#6096)Łukasz Langa2018-03-132-26/+37
| | | | | | | New tests also added. I also made the comments in line with the builtin Grammar/Grammar. PEP 306 was withdrawn, Kees Blom's railroad program has been lost to the sands of time for at least 16 years now (I found a python-dev post from people looking for it).
* compare with difflib not diff(1) (GH-5450)Benjamin Peterson2018-01-301-13/+9
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* closes bpo-30117: fix lib2to3 ParserIdempotency test (GH-1242)Eric Appelt2018-01-302-10/+15
| | | | | | | | | | | Fix two (in my opinion) spurious failure conditions in the lib2to3.tests.test_parser.TestParserIdempotency test_parser test. Use the same encoding found in the initial file to write a temp file for a diff. This retains the BOM if the encoding was initially utf-8-sig. If the file cannot be parsed using the normal grammar, try again with no print statement which should succeed for valid files using future print_function For case (1), the driver was correctly handling a BOM in a utf-8 file, but then the test was not writing a comparison file using 'utf-8-sig' to diff against, so the BOM got removed. I don't think that is the fault of the parser, and lib2to3 will retain the BOM. For case (2), lib2to3 pre-detects the use of from __future__ import print_function or allows the user to force this interpretation with a -p flag, and then selects a different grammar with the print statement removed. That makes the test cases unfair to this test as the driver itself doesn't know which grammar to use. As a minimal fix, the test will try using a grammar with the print statement, and if that fails fall back on a grammar without it. A more thorough handling of the idempotency test would to be to parse all files using both grammars and ignore if one of the two failed but otherwise check both. I didn't think this was necessary but can change.
* remove unused import (#5040)Benjamin Peterson2017-12-291-1/+0
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* make PatternCompiler use the packaged grammar if possible (more bpo-24960) ↵Benjamin Peterson2017-12-291-7/+7
| | | | (#5034)
* correct wording (#4983)Benjamin Peterson2017-12-231-1/+1
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* bpo-24960: use pkgutil.get_data in lib2to3 to read pickled grammar files (#4977)Benjamin Peterson2017-12-224-2/+42
| | | | | | This is more complicated than it should be because we need to preserve the useful mtime-based regeneration feature that lib2to3.pgen2.driver.load_grammar has. We only look for the pickled grammar file with pkgutil.get_data and only if the source file does not exist.
* bpo-32046: Update 2to3 when converts operator.isCallable(obj). (#4417)Dong-hee Na2017-11-282-6/+5
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* bpo-30143: 2to3 now generates a code that uses abstract collection classes ↵Serhiy Storchaka2017-11-162-10/+10
| | | | | | (#1262) from collections.abc rather than collections.
* bpo-30406: Make async and await proper keywords (#1669)Jelle Zijlstra2017-10-064-94/+24
| | | Per PEP 492, 'async' and 'await' should become proper keywords in 3.7.
* closes bpo-27494: Fix 2to3 handling of trailing comma after a generator ↵Jakub Stasiak2017-10-056-10/+36
| | | | expression (#3771)
* bpo-29783: Replace codecs.open() with io.open() (#599)Victor Stinner2017-06-162-30/+11
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* bpo-23894: make lib2to3 recognize f-strings (#1733)Łukasz Langa2017-05-222-1/+7
| | | | | | | Note: this doesn't unpack f-strings into the underlying JoinedStr AST. Ideally we'd fully implement JoinedStr here but given its additional complexity, I think this is worth bandaiding as is. This unblocks tools like https://github.com/google/yapf to format 3.6 syntax using f-strings.
* Make rb'' strings work in lib2to3 (#1724)Łukasz Langa2017-05-222-7/+37
| | | This partially solves bpo-23894.
* bpo-30144: Import collections ABC from collections.abc rather than ↵Serhiy Storchaka2017-04-241-2/+2
| | | | collections. (#1263)
* bpo-29869: Allow underscores in numeric literals in lib2to3. (GH-1119)Nevada Sanchez2017-04-132-8/+30
| | | | | * Allow underscores in numeric literals in lib2to3. * Stricter literal parsing for Python 3.6 in lib2to3.pgen2.tokenize. * Add test case for underscores in literals in Python 3.
* bpo-28837: Fix lib2to3 handling of map/zip/filter calls when followed with a ↵Stuart Berg2017-04-064-26/+109
| | | | 'trailer', e.g. zip()[x] (#24)
* bpo-29762: More use "raise from None". (#569)Serhiy Storchaka2017-04-053-4/+4
| | | This hides unwanted implementation details from tracebacks.
* bpo-29957: change LBYL key lookup to dict.setdefault (#938)Michael Selik2017-04-021-5/+0
| | | | | | | | | | | | | * change LBYL key lookup to dict.setdefault The ``results`` was constructed as a defaultdict and we could simply delete the check ``if key not in results``. However, I think it's safer to use dict.setdefault as I'm not sure whether the caller expects a regular dict or defaultdict. * add name to the acknowledgements file * use defaultdict to make the key-lookup cleaner
* bpo-29919: Remove unused imports found by pyflakes (#137)Victor Stinner2017-03-271-1/+1
| | | Make also minor PEP8 coding style fixes on modified imports.
* bpo-29776: Use decorator syntax for properties. (#585)Serhiy Storchaka2017-03-191-8/+8
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* Remove unused imports.Serhiy Storchaka2016-12-162-2/+0
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* merge 3.5Benjamin Peterson2016-12-061-1/+0
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| * rm unused importBenjamin Peterson2016-12-061-1/+0
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* | Issue #28394: Merge typo fixes from 3.5 into 3.6Martin Panter2016-10-101-1/+1
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| * Issue #28394: Spelling and typo fixes in code comments and changelogMartin Panter2016-10-101-1/+1
| | | | | | | | Includes patch by Ville Skyttä.
* | Remove the debug print that i accidentally left in.Gregory P. Smith ext:(%20%5BGoogle%20Inc.%5D)2016-09-111-1/+0
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| * Remove the debug print that i accidentally left in.Gregory P. Smith ext:(%20%5BGoogle%20Inc.%5D)2016-09-111-1/+0
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* | Issue #25969: Update the lib2to3 grammar to handle the unpackingGregory P. Smith ext:(%20%5BGoogle%20Inc.%5D)2016-09-106-6/+88
|\ \ | |/ | | | | generalizations added in 3.5.
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