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* bpo-32911: Revert bpo-29463. (GH-7121)Serhiy Storchaka2018-05-291-1482/+1483
| | | | | | | Remove the docstring attribute of AST types and restore docstring expression as a first stmt in their body. Co-authored-by: INADA Naoki <methane@users.noreply.github.com>
* [3.7] bpo-33169: Remove values of `None` from sys.path_importer_cache when ↵Brett Cannon2018-04-061-611/+614
| | | | | | invalidating caches (GH-6402) (GH-6403) An entry of None in sys.path_importer_cache represents a negative/missing finder for a path, so clearing it out makes sense. (cherry picked from commit 9e2be60634914f23db2ae5624e4acc9335bf5fea)
* bpo-32838: Fix Python versions in the table of magic numbers. (GH-5658)Miss Islington (bot)2018-02-231-117/+117
| | | | | (cherry picked from commit 4af8fd561433826ac897c55e41a087a5c5dbacf3) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* bpo-32303 - Consistency fixes for namespace loaders (GH-5481) (#5503)Barry Warsaw2018-02-021-481/+480
| | | | | | | | | | * Make sure ``__spec__.loader`` matches ``__loader__`` for namespace packages. * Make sure ``__spec__.origin` matches ``__file__`` for namespace packages. https://bugs.python.org/issue32303 https://bugs.python.org/issue32305 (cherry picked from commit bbbcf8693b876daae4469765aa62f8924f39a7d2) Co-authored-by: Barry Warsaw <barry@python.org>
* bpo-32550. Remove the STORE_ANNOTATION bytecode. (GH-5181)Mark Shannon2018-01-291-112/+112
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* Implement the get_resource_reader() API for file system imports (#5168)Barry Warsaw2018-01-151-1248/+1307
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* bpo-24340: Fix estimation of the code stack size. (#5076)Serhiy Storchaka2018-01-091-1094/+1094
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* bpo-29469: Optimize literal lists and sets iterating on the AST level. (#4866)Serhiy Storchaka2017-12-141-1979/+1978
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* bpo-29469: Move constant folding to AST optimizer (GH-2858)INADA Naoki2017-12-141-1995/+1989
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* closes bpo-31650: PEP 552 (Deterministic pycs) implementation (#4575)Benjamin Peterson2017-12-091-2383/+2513
| | | | | | | | | | | | | | | | | | | | | | | | | Python now supports checking bytecode cache up-to-dateness with a hash of the source contents rather than volatile source metadata. See the PEP for details. While a fairly straightforward idea, quite a lot of code had to be modified due to the pervasiveness of pyc implementation details in the codebase. Changes in this commit include: - The core changes to importlib to understand how to read, validate, and regenerate hash-based pycs. - Support for generating hash-based pycs in py_compile and compileall. - Modifications to our siphash implementation to support passing a custom key. We then expose it to importlib through _imp. - Updates to all places in the interpreter, standard library, and tests that manually generate or parse pyc files to grok the new format. - Support in the interpreter command line code for long options like --check-hash-based-pycs. - Tests and documentation for all of the above.
* bpo-31709: Update importlib magic (#3906)Yury Selivanov2017-10-061-104/+104
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* Trivial cleanups following bpo-31370 (#3649)Antoine Pitrou2017-09-181-72/+70
| | | | | | * Trivial cleanups following bpo-31370 * Also cleanup the "importlib._bootstrap_external" module
* bpo-30501: Make the compiler producing optimized code for condition ↵Serhiy Storchaka2017-06-111-1986/+1985
| | | | expressions. (#1851)
* bpo-30022: Get rid of using EnvironmentError and IOError (except test… (#1051)Serhiy Storchaka2017-04-161-1406/+1406
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* bpo-29463: Add docstring field to some AST nodes. (#46)INADA Naoki2017-02-221-1247/+1246
| | | | | | | | | | | * bpo-29463: Add docstring field to some AST nodes. ClassDef, ModuleDef, FunctionDef, and AsyncFunctionDef has docstring field for now. It was first statement of there body. * fix document. thanks travis! * doc fixes
* Issue #26110: Add LOAD_METHOD/CALL_METHOD opcodes.Yury Selivanov2016-12-131-342/+342
| | | | | | | Special thanks to INADA Naoki for pushing the patch through the last mile, Serhiy Storchaka for reviewing the code, and to Victor Stinner for suggesting the idea (originally implemented in the PyPy project).
* Issue #28896: Disable WindowsRegistryFinder by default.Steve Dower2016-12-121-56/+53
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* Issue #23722: improve __classcell__ compatibilityNick Coghlan2016-12-051-1177/+1177
| | | | | | | | | | | | | | | | | | | | | Handling zero-argument super() in __init_subclass__ and __set_name__ involved moving __class__ initialisation to type.__new__. This requires cooperation from custom metaclasses to ensure that the new __classcell__ entry is passed along appropriately. The initial implementation of that change resulted in abruptly broken zero-argument super() support in metaclasses that didn't adhere to the new requirements (such as Django's metaclass for Model definitions). The updated approach adopted here instead emits a deprecation warning for those cases, and makes them work the same way they did in Python 3.5. This patch also improves the related class machinery documentation to cover these details and to include more reader-friendly cross-references and index entries.
* Issue #28517: Fixed of-by-one error in the peephole optimizer that causedSerhiy Storchaka2016-10-251-1958/+1957
| | | | keeping unreachable code.
* Issue #28257: Improved error message when pass a non-iterable asSerhiy Storchaka2016-10-021-106/+106
| | | | a var-positional argument. Added opcode BUILD_TUPLE_UNPACK_WITH_CALL.
* Issue #27942: String constants now interned recursively in tuples and ↵Serhiy Storchaka2016-09-301-1886/+1883
|\ | | | | | | frozensets.
| * Issue #27942: String constants now interned recursively in tuples and ↵Serhiy Storchaka2016-09-301-801/+800
| | | | | | | | frozensets.
| * Fix regressions introduced by fixes for issue #27083.Brett Cannon2016-07-161-2551/+2561
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* | Issue #27213: Fixed different issues with reworked CALL_FUNCTION* opcodes.Serhiy Storchaka2016-09-121-1902/+1902
| | | | | | | | | | | | | | | | | | | | | | * BUILD_TUPLE_UNPACK and BUILD_MAP_UNPACK_WITH_CALL no longer generated with single tuple or dict. * Restored more informative error messages for incorrect var-positional and var-keyword arguments. * Removed code duplications in _PyEval_EvalCodeWithName(). * Removed redundant runtime checks and parameters in _PyStack_AsDict(). * Added a workaround and enabled previously disabled test in test_traceback. * Removed dead code from the dis module.
* | Issue #23722: Initialize __class__ from type.__new__()Nick Coghlan2016-09-111-1242/+1243
| | | | | | | | | | | | | | | | | | The __class__ cell used by zero-argument super() is now initialized from type.__new__ rather than __build_class__, so class methods relying on that will now work correctly when called from metaclass methods during class creation. Patch by Martin Teichmann.
* | Issue #24320: Drop an old setuptools-induced hack.Eric Snow2016-09-091-53/+52
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* | Rework CALL_FUNCTION* opcodesVictor Stinner2016-09-091-1603/+1604
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Issue #27213: Rework CALL_FUNCTION* opcodes to produce shorter and more efficient bytecode: * CALL_FUNCTION now only accepts position arguments * CALL_FUNCTION_KW accepts position arguments and keyword arguments, but keys of keyword arguments are packed into a constant tuple. * CALL_FUNCTION_EX is the most generic, it expects a tuple and a dict for positional and keyword arguments. CALL_FUNCTION_VAR and CALL_FUNCTION_VAR_KW opcodes have been removed. 2 tests of test_traceback are currently broken: skip test, the issue #28050 was created to track the issue. Patch by Demur Rumed, design by Serhiy Storchaka, reviewed by Serhiy Storchaka and Victor Stinner.
* | Issue #27985: Implement PEP 526 -- Syntax for Variable Annotations.Yury Selivanov2016-09-081-104/+104
| | | | | | | | Patch by Ivan Levkivskyi.
* | Issue #26667: Add path-like object support to importlib.util.Brett Cannon2016-09-071-2164/+2168
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* | Issue #27078: Added BUILD_STRING opcode. Optimized f-strings evaluation.Serhiy Storchaka2016-09-061-104/+104
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* | Check in update for importlib_external.hBrett Cannon2016-07-161-2404/+2412
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* | Merge for #27083Brett Cannon2016-07-151-2339/+2341
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* | Update frozen importlib codeBrett Cannon2016-07-081-597/+596
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* | Issue #27095: Simplified MAKE_FUNCTION and removed MAKE_CLOSURE opcodes.Serhiy Storchaka2016-06-121-2220/+2223
| | | | | | | | Patch by Demur Rumed.
* | Comment fixes extracted from patch by Demur Rumed.Serhiy Storchaka2016-06-121-103/+103
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* | Issue #27286: Fixed compiling BUILD_MAP_UNPACK_WITH_CALL opcode. CallingSerhiy Storchaka2016-06-121-103/+103
|\ \ | |/ | | | | | | function with generalized unpacking (PEP 448) and conflicting keyword names could cause undefined behavior.
| * Issue #27286: Fixed compiling BUILD_MAP_UNPACK_WITH_CALL opcode. CallingSerhiy Storchaka2016-06-121-104/+104
| | | | | | | | | | function with generalized unpacking (PEP 448) and conflicting keyword names could cause undefined behavior.
* | Issue #27140: Added BUILD_CONST_KEY_MAP opcode.Serhiy Storchaka2016-06-121-1155/+1155
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* | Issue #27138: Regenerate Python/importlib_external.h.Serhiy Storchaka2016-05-281-324/+323
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| * Issue #27138: Regenerate Python/importlib_external.h.Serhiy Storchaka2016-05-281-344/+343
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| * regen importlib bytecodeBenjamin Peterson2016-05-161-103/+103
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* | Issue #26647: Python interpreter now uses 16-bit wordcode instead of bytecode.Serhiy Storchaka2016-05-241-2390/+2222
| | | | | | | | Patch by Demur Rumed.
* | Issue #27039: Fixed bytearray.remove() for values greater than 127.Serhiy Storchaka2016-05-161-103/+103
|\ \ | |/ | | | | Based on patch by Joe Jevnik.
| * Issue #25280: Import trace messages emitted in verbose (-v) mode are noSerhiy Storchaka2015-10-011-56/+57
| | | | | | | | longer formatted twice.
* | regrtest: Fix module.__path__Victor Stinner2016-03-151-931/+940
| | | | | | | | | | | | | | Issue #26538: libregrtest: Fix setup_tests() to keep module.__path__ type (_NamespacePath), don't convert to a list. Add _NamespacePath.__setitem__() method to importlib._bootstrap_external.
* | Issue #25985: sys.version_info is now used instead of sys.versionSerhiy Storchaka2016-02-111-15/+16
| | | | | | | | to format short Python version.
* | co_lnotab supports negative line number deltaVictor Stinner2016-01-201-105/+106
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Issue #26107: The format of the co_lnotab attribute of code objects changes to support negative line number delta. Changes: * assemble_lnotab(): if line number delta is less than -128 or greater than 127, emit multiple (offset_delta, lineno_delta) in co_lnotab * update functions decoding co_lnotab to use signed 8-bit integers - dis.findlinestarts() - PyCode_Addr2Line() - _PyCode_CheckLineNumber() - frame_setlineno() * update lnotab_notes.txt * increase importlib MAGIC_NUMBER to 3361 * document the change in What's New in Python 3.6 * cleanup also PyCode_Optimize() to use better variable names
* | Issue #25802: Deprecate load_module() on ↵Brett Cannon2015-12-281-1516/+1517
| | | | | | | | | | | | | | importlib.machinery.SourceFileLoader and SourcelessFileLoader. They were the only remaining implementations of load_module() not documented as deprecated.
* | Issue 25483: Add an opcode to make f-string formatting more robust.Eric V. Smith2015-11-031-103/+103
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* | Update importlib_external.hVictor Stinner2015-10-011-56/+57
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