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* bpo-40334: Spacialized error message for invalid args after bare '*' (GH-19865)Lysandros Nikolaou2020-05-045-210/+472
| | | When parsing things like `def f(*): pass` the old parser used to output `SyntaxError: named arguments must follow bare *`, which the new parser wasn't able to do.
* bpo-40491: Fix typo in syntax error for numeric literals (GH-19893)Shantanu2020-05-041-1/+1
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* bpo-40408: Fix support of nested type variables in GenericAlias. (GH-19836)Serhiy Storchaka2020-05-043-26/+140
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* bpo-40493: fix function type comment parsing (GH-19894)Shantanu2020-05-043-0/+78
| | | | | The grammar for func_type_input rejected things like `(*t1) ->t2`. This fixes that. Automerge-Triggered-By: @gvanrossum
* Clean up unused imports for the peg generator module (GH-19891)Anthony Shaw2020-05-049-17/+4
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* bpo-40334: Set error_indicator in _PyPegen_raise_error (GH-19887)Lysandros Nikolaou2020-05-041-0/+1
| | | Due to PyErr_Occurred not being called at the beginning of each rule, we need to set the error indicator, so that rules do not get expanded after an exception has been thrown
* Remove outdated and confusing advice about setting maxsize (GH-19889)Raymond Hettinger2020-05-031-2/+1
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* Remove out-of-date comment (GH-19886)Raymond Hettinger2020-05-031-2/+1
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* bpo-38870: Don't start generated output with newlines in ast.unparse (GH-19636)Batuhan Taskaya2020-05-032-11/+15
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* Simplify set entry insertion logic. (GH-19881)Raymond Hettinger2020-05-031-16/+2
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* bpo-29587: allow chaining NULL exceptions in _gen_throw() (GH-19877)Chris Jerdonek2020-05-032-4/+25
| | | | | | | | | | | | | This is a follow-up to GH-19823 that removes the check that the exception value isn't NULL, prior to calling _PyErr_ChainExceptions(). This enables implicit exception chaining for gen.throw() in more circumstances. The commit also adds a test that a particular code snippet involving gen.throw() doesn't crash. The test shows why the new `gi_exc_state.exc_type != Py_None` check that was added is necessary. Without the new check, the code snippet (as well as a number of other tests) crashes on certain platforms (e.g. Fedora but not Mac).
* Minor code cleanups for statistics (GH-19873)Raymond Hettinger2020-05-031-76/+7
| | | | | * Minor cleanups: Removed unused code. Move C import near its Python version. * Clean-up whitespace
* Fix missing space in docs(GH-19866)Mathieu Dupuy2020-05-021-1/+1
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* bpo-40465: Deprecate the optional argument to random.shuffle(). (#19867)Raymond Hettinger2020-05-024-1/+10
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* bpo-40419: timeit CLI docs now mention 1,2,5,10,... trials instead of powers ↵Sander2020-05-022-2/+4
| | | | of 10 (GH-19752)
* Call $(MKDIR_P) before regenerating the PEG meta-parser (GH-19861)Pablo Galindo2020-05-021-0/+1
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* bpo-39435: Make the first argument of pickle.loads() positional-only. (GH-19846)Serhiy Storchaka2020-05-025-7/+9
| | | | It was positional-only de facto: documentation and two implementations used three different name.
* bpo-40334: regenerate metaparser as part of regen-all (GH-19854)Pablo Galindo2020-05-022-3/+12
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* Fix some scripts in the peg generator folder (GH-19853)Pablo Galindo2020-05-0210-31/+16064
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* bpo-29587: Update gen.throw() to chain exceptions (#19823)Chris Jerdonek2020-05-023-0/+27
| | | | | | | Before this commit, if an exception was active inside a generator when calling gen.throw(), that exception was lost (i.e. there was no implicit exception chaining). This commit fixes that by setting exc.__context__ when calling gen.throw(exc).
* bpo-40417: Fix deprecation warning in PyImport_ReloadModule (GH-19750)Robert Rouhani2020-05-012-7/+8
| | | | | I can add another commit with the new test case I wrote to verify that the warning was being printed before my change, stopped printing after my change, and that the function does not return null after my change. Automerge-Triggered-By: @brettcannon
* bpo-40334: use the TOKENS file when checking dangling rules (GH-19849)Pablo Galindo2020-05-015-15/+31
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* Fix the Tools/peg_generator/scripts/benchmark.py script (GH-19848)Pablo Galindo2020-05-012-3/+4
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* bpo-39435: Fix docs for pickle.loads (GH-18160)Shantanu2020-05-013-2/+4
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* bpo-40412: Nullify inittab_copy during finalization (GH-19746)Gregory Szorc2020-05-012-0/+2
| | | | | | | | | Otherwise we leave a dangling pointer to free'd memory. If we then initialize a new interpreter in the same process and call PyImport_ExtendInittab, we will (likely) crash when calling PyMem_RawRealloc(inittab_copy, ...) since the pointer address is bogus. Automerge-Triggered-By: @brettcannon
* bpo-39691: Clarify io.open_code behavior (GH-19824)Shantanu2020-05-011-4/+5
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* Simplify choice()'s interaction with the private _randbelow() method (GH-19831)Raymond Hettinger2020-05-012-12/+8
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* bpo-40334: Make the PyPegen* and PyParser* APIs more consistent (GH-19839)Lysandros Nikolaou2020-05-013-106/+36
| | | | | | | | | This commit makes both APIs more consistent by doing the following: - Remove the `PyPegen_CodeObjectFrom*` functions, which weren't used and will probably not be needed. Functions like `Py_CompileStringObject` can be used instead. - Include a `const char *filename` parameter in `PyPegen_ASTFromString`. - Rename `PyPegen_ASTFromFile` to `PyPegen_ASTFromFilename`, because its signature is not the same with `PyParser_ASTFromFile`.
* Ensure that tok->type_comments is set on every path (GH-19828)Guido van Rossum2020-05-011-3/+2
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* bpo-40334: Refactor lambda_parameters similar to parameters (GH-19830)Guido van Rossum2020-05-012-1065/+1167
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* bpo-40334: Correct return value of func_type_comment (GH-19833)Pablo Galindo2020-05-012-4/+4
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* bpo-40334: unskip test_function_type in test_unparse with the new parser ↵Pablo Galindo2020-05-011-1/+0
| | | | (GH-19837)
* bpo-40334: Improve column offsets for thrown syntax errors by Pegen (GH-19782)Batuhan Taskaya2020-05-016-111/+79
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* bpo-40462: fix variable and function names (GH-19832)Furkan Önder2020-05-013-4/+2
| | | Automerge-Triggered-By: @vstinner
* bpo-32494: Use gdbm_count for dbm_length if possible (GH-19814)Dong-hee Na2020-05-012-5/+27
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* bpo-40334: Simplify type handling in the PEG c_generator (GH-19818)Pablo Galindo2020-05-013-401/+391
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* bpo-40453: Add PyConfig._isolated_subinterpreter (GH-19820)Victor Stinner2020-05-0114-12/+68
| | | | | | | | | An isolated subinterpreter cannot spawn threads, spawn a child process or call os.fork(). * Add private _Py_NewInterpreter(isolated_subinterpreter) function. * Add isolated=True keyword-only parameter to _xxsubinterpreters.create(). * Allow again os.fork() in "non-isolated" subinterpreters.
* Change 'exception happened' to 'exception occurred' in two places (#19767)Noah Doersing2020-05-012-2/+2
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* bpo-40334: Add support for feature_version in new PEG parser (GH-19827)Lysandros Nikolaou2020-05-016-834/+1379
| | | | | | | | | | | | | | | | | | | `ast.parse` and `compile` support a `feature_version` parameter that tells the parser to parse the input string, as if it were written in an older Python version. The `feature_version` is propagated to the tokenizer, which uses it to handle the three different stages of support for `async` and `await`. Additionally, it disallows the following at parser level: - The '@' operator in < 3.5 - Async functions in < 3.5 - Async comprehensions in < 3.6 - Underscores in numeric literals in < 3.6 - Await expression in < 3.5 - Variable annotations in < 3.6 - Async for-loops in < 3.5 - Async with-statements in < 3.5 - F-strings in < 3.6 Closes we-like-parsers/cpython#124.
* bpo-40443: Remove unused imports in stdlib (GH-19815)Victor Stinner2020-05-013-4/+2
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* bpo-40275: Fix name error in support.socket_helper (GH-19825)Victor Stinner2020-05-011-4/+6
| | | | | Replace TestFailed with support.TestFailed. Bug spotted by pyflakes.
* Remove dead code in test__xxsubinterpreters (GH-19826)Victor Stinner2020-05-011-20/+0
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* bpo-1635741: Fix compiler warning in _stat.c (GH-19822)Victor Stinner2020-04-301-1/+1
| | | Cast Py_ARRAY_LENGTH() size_t to int explicitly.
* Revert "bpo-29587: Enable implicit exception chaining with gen.throw() ↵Victor Stinner2020-04-303-24/+0
| | | | | (GH-19811)" (#19821) This reverts commit 2514a632fb7d37be24c2059d0e286d35600f9795.
* bpo-29587: Enable implicit exception chaining with gen.throw() (GH-19811)Chris Jerdonek2020-04-303-0/+24
| | | | | Before this commit, if an exception was active inside a generator when calling gen.throw(), then that exception was lost (i.e. there was no implicit exception chaining). This commit fixes that.
* bpo-40334: Support type comments (GH-19780)Guido van Rossum2020-04-306-1448/+2567
| | | | | | | | | | This implements full support for # type: <type> comments, # type: ignore <stuff> comments, and the func_type parsing mode for ast.parse() and compile(). Closes https://github.com/we-like-parsers/cpython/issues/95. (For now, you need to use the master branch of mypy, since another issue unique to 3.9 had to be fixed there, and there's no mypy release yet.) The only thing missing is `feature_version=N`, which is being tracked in https://github.com/we-like-parsers/cpython/issues/124.
* compileall: Fix typos in docstring (GH-19810)Jelle Zijlstra2020-04-301-2/+2
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* bpo-40443: Remove unused imports in distutils (GH-19802)Victor Stinner2020-04-3011-17/+6
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* bpo-40443: Remove unused imports in the stdlib (GH-19803)Victor Stinner2020-04-3010-12/+0
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* bpo-40394 - difflib.SequenceMatched.find_longest_match default args (GH-19742)lrjball2020-04-305-4/+61
| | | | | * bpo-40394 - difflib.SequenceMatched.find_longest_match default args Added default args to find_longest_match, as well as related tests.
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