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* [3.9] bpo-41076: Pre-feed the parser with the f-string expression location ā†µPablo Galindo2020-06-281-2232/+2231
| | | | | | (GH-21054) (GH-21190) This commit changes the parsing of f-string expressions with the new parser. The parser gets pre-fed with the location of the expression itself (not the f-string, which was what we were doing before). This allows us to completely skip the shifting of the AST nodes after the parsing is completed.. (cherry picked from commit 1f0f4abb110b9fbade6175842b6a26ab0b8df6dd)
* [3.9] bpo-40924: Revert "bpo-39791 native hooks for ā†µÅukasz Langa2020-06-091-1072/+1117
| | | | | | importlib.resources.files (GH-20576)" (#20760) This reverts commit 9cf1be46e3692d565461afd3afa326d124d743dd due to https://bugs.python.org/issue40924.
* bpo-39791 native hooks for importlib.resources.files (GH-20576)Miss Islington (bot)2020-06-081-1117/+1072
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * Provide native .files support on SourceFileLoader. * Add native importlib.resources.files() support to zipimporter. Remove fallback support. * make regen-all * šŸ“œšŸ¤– Added by blurb_it. * Move 'files' into the ResourceReader so it can carry the relevant module name context. * Create 'importlib.readers' module and add FileReader to it. * Add zip reader and rely on it for a TraversableResources object on zipimporter. * Remove TraversableAdapter, no longer needed. * Update blurb. * Replace backslashes with forward slashes. * Incorporate changes from importlib_metadata 2.0, finalizing the interface for extension via get_resource_reader. Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com> (cherry picked from commit 843c27765652e2322011fb3e5d88f4837de38c06) Co-authored-by: Jason R. Coombs <jaraco@jaraco.com>
* bpo-40334: PEP 617 implementation: New PEG parser for CPython (GH-19503)Pablo Galindo2020-04-221-3/+4
| | | | Co-authored-by: Guido van Rossum <guido@python.org> Co-authored-by: Lysandros Nikolaou <lisandrosnik@gmail.com>
* bpo-40050: Fix importlib._bootstrap_external (GH-19135)Victor Stinner2020-03-241-1736/+1729
| | | | | | Remove two unused imports: _thread and _weakref. Avoid creating a new winreg builtin module if it's already available in sys.modules. The winreg module is now stored as "winreg" rather than "_winreg".
* bpo-39987: Simplify setting lineno in the compiler. (GH-19037)Serhiy Storchaka2020-03-171-1982/+1980
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* bpo-38691: importlib ignores PYTHONCASEOK if -E is used (GH-18627)idomic2020-03-091-2626/+2634
| | | | | The importlib module now ignores the PYTHONCASEOK environment variable when the -E or -I command line options are being used.
* Revert "bpo-38691 Added a switch to ignore PYTHONCASEOK when -E or -I flags ā†µVictor Stinner2020-02-191-2649/+2646
| | | | | passed (#18314)" (GH-18553) This reverts commit d83b6600b25487e4ebffd7949d0f478de9538875.
* bpo-38691 Added a switch to ignore PYTHONCASEOK when -E or -I flags passed ā†µidomic2020-02-171-2646/+2649
| | | | | | | | | | | | | | | | | | | | | (#18314) * Hard reset + cherry piciking the changes. * šŸ“œšŸ¤– Added by blurb_it. * Added @vstinner News * Update Misc/NEWS.d/next/Library/2020-02-11-13-01-38.bpo-38691.oND8Sk.rst Co-Authored-By: Victor Stinner <vstinner@python.org> * Hard reset to master * Hard reset to master + latest changes Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com> Co-authored-by: Victor Stinner <vstinner@python.org>
* bpo-39320: Handle unpacking of **values in compiler (GH-18141)Mark Shannon2020-01-271-2149/+2151
| | | | | | | | | | | | | * Add DICT_UPDATE and DICT_MERGE bytecodes. Use them for ** unpacking. * Remove BUILD_MAP_UNPACK and BUILD_MAP_UNPACK_WITH_CALL, as they are now unused. * Update magic number for ** unpacking opcodes. * Update dis.rst to incorporate new bytecodes. * Add blurb entry.
* bpo-39320: Handle unpacking of *values in compiler (GH-17984)Mark Shannon2020-01-231-2152/+2152
| | | | | | | | * Add three new bytecodes: LIST_TO_TUPLE, LIST_EXTEND, SET_UPDATE. Use them to implement star unpacking expressions. * Remove four bytecodes BUILD_LIST_UNPACK, BUILD_TUPLE_UNPACK, BUILD_SET_UNPACK and BUILD_TUPLE_UNPACK_WITH_CALL opcodes as they are now unused. * Update magic number and dis.rst for new bytecodes.
* bpo-39156: Break up COMPARE_OP into four logically distinct opcodes. (GH-17754)Mark Shannon2020-01-141-2282/+2278
| | | | | | | | Break up COMPARE_OP into four logically distinct opcodes: * COMPARE_OP for rich comparisons * IS_OP for 'is' and 'is not' tests * CONTAINS_OP for 'in' and 'is not' tests * JUMP_IF_NOT_EXC_MATCH for checking exceptions in 'try-except' statements.
* Produce cleaner bytecode for 'with' and 'async with' by generating separate ā†µMark Shannon2019-11-211-2460/+2465
| | | | | | code for normal and exceptional paths. (#6641) Remove BEGIN_FINALLY, END_FINALLY, CALL_FINALLY and POP_FINALLY bytecodes. Implement finally blocks by code duplication. Reimplement frame.lineno setter using line numbers rather than bytecode offsets.
* bpo-38121: Sync importlib.metadata with 0.22 backport (GH-15993)Jason R. Coombs2019-09-121-1032/+912
| | | | | | * bpo-38121: Sync importlib.metadata with 0.22 backport * šŸ“œšŸ¤– Added by blurb_it.
* bpo-38086: Sync importlib.metadata with importlib_metadata 0.21. (GH-15840)Jason R. Coombs2019-09-101-613/+612
| | | https://gitlab.com/python-devs/importlib_metadata/-/tags/0.21
* bpo-34880: Add the LOAD_ASSERTION_ERROR opcode. (GH-15073)Zackery Spytz2019-08-251-2114/+2113
| | | | Fix assert statement misbehavior if AssertionError is shadowed.
* bpo-37830: Fix compilation of break and continue in finally. (GH-15320)Serhiy Storchaka2019-08-241-122/+122
| | | | | | Fix compilation of "break" and "continue" in the "finally" block when the corresponding "try" block contains "return" with a non-constant value.
* bpo-37697: Sync with importlib_metadata 0.19 (#14993)Jason R. Coombs2019-07-281-779/+796
| | | | | | | | * bpo-37697: Sync with importlib_metadata 0.19 * Run make regen-importlib * šŸ“œšŸ¤– Added by blurb_it.
* bpo-37593: Swap the positions of posonlyargs and args in the constructor of ā†µPablo Galindo2019-07-141-121/+121
| | | | | ast.parameters nodes (GH-14778) https://bugs.python.org/issue37593
* bpo-35224: Bump the pyc magic number by 1 instead of by 10 in last ā†µPablo Galindo2019-06-231-1/+1
| | | | modification (GH-14320)
* bpo-35224: Bump the pyc magic number after the change in MAP_ADD (GH-14313)Pablo Galindo2019-06-221-121/+121
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* bpo-37213: Handle negative line deltas correctly in the peephole optimizer ā†µPablo Galindo2019-06-131-2736/+2736
| | | | | (GH-13969) The peephole optimizer was not optimizing correctly bytecode after negative deltas were introduced. This is due to the fact that some special values (255) were being searched for in both instruction pointer delta and line number deltas.
* bpo-34632: Add importlib.metadata (GH-12547)Jason R. Coombs2019-05-241-638/+775
| | | Add importlib.metadata module as forward port of the standalone importlib_metadata.
* bpo-36842: Implement PEP 578 (GH-12613)Steve Dower2019-05-231-1216/+1222
| | | Adds sys.audit, sys.addaudithook, io.open_code, and associated C APIs.
* bpo-36540: PEP 570 -- Implementation (GH-12701)Pablo Galindo2019-04-291-2092/+2124
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit contains the implementation of PEP570: Python positional-only parameters. * Update Grammar/Grammar with new typedarglist and varargslist * Regenerate grammar files * Update and regenerate AST related files * Update code object * Update marshal.c * Update compiler and symtable * Regenerate importlib files * Update callable objects * Implement positional-only args logic in ceval.c * Regenerate frozen data * Update standard library to account for positional-only args * Add test file for positional-only args * Update other test files to account for positional-only args * Add News entry * Update inspect module and related tests
* bpo-35843: Implement __getitem__ for _NamespacePath (GH-11690)Anthony Sottile2019-03-081-869/+878
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* bpo-16806: Fix `lineno` and `col_offset` for multi-line string tokens (GH-10021)Anthony Sottile2019-01-131-9/+9
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* bpo-34100: Merge constants recursively (GH-8341)INADA Naoki2018-11-261-2295/+2265
| | | | | | | There are some same consts in a module. This commit merges them into single instance. It reduces number of objects in memory after loading modules. https://bugs.python.org/issue34100
* bpo-34876: Change the lineno of the AST for decorated function and class. ā†µSerhiy Storchaka2018-10-301-1430/+1431
| | | | | | | (GH-9731) It was overridden by the lineno of the first decorator. Now it is the lineno of 'def' or 'class'.
* bpo-35024: Remove redundant and possibly incorrect verbose message after ā†µQuentin Agren2018-10-261-1345/+1343
| | | | | | | | | writing '.pyc' (GH-9998) Since `SourceFileLoader.set_data()` catches exceptions raised by `_write_atomic()` and logs an informative message consequently, always logging successful outcome in 'SourceLoader.get_code()' seems redundant. https://bugs.python.org/issue35024
* importlib: Fix typo in SourceLoader.path_stats docstring (GH-10052)Quentin2018-10-251-1497/+1496
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* bpo-25711: Rewrite zipimport in pure Python. (GH-6809)Serhiy Storchaka2018-09-181-1341/+1356
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* bpo-12458: Fix line numbers for multiline expressions. (GH-8774)Serhiy Storchaka2018-09-171-2592/+2600
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* bpo-33499: Add PYTHONPYCACHEPREFIX env var for alt bytecode cache location. ā†µCarl Meyer2018-06-161-1063/+1110
| | | | | | | | | | | | | | | (GH-6834) In some development setups it is inconvenient or impossible to write bytecode caches to the code tree, but the bytecode caches are still useful. The PYTHONPYCACHEPREFIX environment variable allows specifying an alternate location for cached bytecode files, within which a directory tree mirroring the code tree will be created. This cache tree is then used (for both reading and writing) instead of the local `__pycache__` subdirectory within each source directory. Exposed at runtime as sys.pycache_prefix (defaulting to None), and can be set from the CLI as "-X pycache_prefix=path". Patch by Carl Meyer.
* bpo-32911: Add the historical note about the magic number. (GH-7273)Serhiy Storchaka2018-05-311-111/+111
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* bpo-32911: Revert bpo-29463. (GH-7121) (GH-7197)Serhiy Storchaka2018-05-291-1449/+1451
| | | | | | 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>
* bpo-33270: Intern names for all anonymous code objects (#6472)Zackery Spytz2018-04-151-3/+3
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* bpo-33169: Remove values of `None` from sys.path_importer_cache when ā†µBrett Cannon2018-04-061-616/+618
| | | | | invalidating caches (GH-6402) An entry of None in sys.path_importer_cache represents a negative/missing finder for a path, so clearing it out makes sense.
* bpo-33041: Rework compiling an "async for" loop. (#6142)Serhiy Storchaka2018-03-231-112/+112
| | | | | | | | * Added new opcode END_ASYNC_FOR. * Setting global StopAsyncIteration no longer breaks "async for" loops. * Jumping into an "async for" loop is now disabled. * Jumping out of an "async for" loop no longer corrupts the stack. * Simplify the compiler.
* bpo-17611. Move unwinding of stack for "pseudo exceptions" from interpreter ā†µSerhiy Storchaka2018-02-221-2028/+2029
| | | | | | | | | to compiler. (GH-5006) Co-authored-by: Mark Shannon <mark@hotpy.org> Co-authored-by: Antoine Pitrou <antoine@python.org>
* bpo-32838: Fix Python versions in the table of magic numbers. (#5658)Serhiy Storchaka2018-02-221-117/+117
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* bpo-32303 - Consistency fixes for namespace loaders (#5481)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
* bpo-32550. Remove the STORE_ANNOTATION bytecode. (GH-5181)Mark Shannon2018-01-301-112/+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
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