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* bpo-43780: Sync with importlib_metadata 3.10 (GH-25297)Jason R. Coombs2021-04-243-75/+258
| | | | | | | * bpo-43780: Sync with importlib_metadata 3.10. * Add blurb * Apply changes from importlib_metadata 3.10.1.
* bpo-38605: Revert making 'from __future__ import annotations' the default ↵Pablo Galindo2021-04-211-1/+2
| | | | | | (GH-25490) This reverts commits 044a1048ca93d466965afc027b91a5a9eb9ce23c and 1be456ae9d53bb1cba2b24fc86175c282d1c2169, adapting the code to changes that happened after it.
* Correct micro release number and add a couple of asserts. (GH-25224)Mark Shannon2021-04-071-1/+1
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* bpo-43105: Importlib now resolves relative paths when creating module spec ↵Steve Dower2021-04-071-19/+62
| | | | objects from file locations (GH-25121)
* bump the bytecode magic number (GH-25225)Dennis Sweeney2021-04-061-1/+1
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* bpo-42135: Deprecate implementations of find_module() and find_loader() ↵Brett Cannon2021-04-064-7/+37
| | | | (GH-25169)
* bpo-43683: Handle generator entry in bytecode (GH-25138)Mark Shannon2021-04-061-0/+1
| | | | | | * Handle check for sending None to starting generator and coroutine into bytecode. * Document new bytecode and make it fail gracefully if mis-compiled.
* bpo-27129: Update magic numbers and bootstrapping for GH-25069 (GH-25172)Dennis Sweeney2021-04-041-1/+1
| | | | | | | * Update magic numbers and bootstrapping for GH-25069 * add blurb Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
* bpo-43720: Update import-related stdlib deprecation messages to say they ↵Brett Cannon2021-04-031-3/+6
| | | | will be removed in Python 3.12 (GH-25167)
* bpo-43672: raise ImportWarning when calling find_loader() (GH-25119)Brett Cannon2021-04-021-1/+4
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* bpo-27129: Use instruction offsets, not byte offsets, in bytecode and ↵Mark Shannon2021-04-011-0/+1
| | | | | | | internally. (GH-25069) * Use instruction offset, rather than bytecode offset. Streamlines interpreter dispatch a bit, and removes most EXTENDED_ARGs for jumps. * Change some uses of PyCode_Addr2Line to PyFrame_GetLineNumber
* bpo-42134: Raise ImportWarning when calling find_module() in the import ↵Brett Cannon2021-03-302-2/+6
| | | | system (GH-25044)
* bpo-42136: Deprecate module_repr() as found in importlib (GH-25022)Brett Cannon2021-03-263-2/+9
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* bpo-42137: have ModuleType.__repr__ prefer __spec__ over module_repr() ↵Brett Cannon2021-03-241-14/+6
| | | | | (GH-24953) This is to work towards the removal of the use of module_repr() in Python 3.12 (documented as deprecated since 3.4).
* bpo-43428: Improve documentation for importlib.metadata changes. (GH-24858)Jason R. Coombs2021-03-151-2/+18
| | | | | | | * bpo-43428: Sync with importlib_metadata 3.7.3 (16ac3a95) * Add 'versionadded' for importlib.metadata.packages_distributions * Add section in what's new for Python 3.10 highlighting most salient changes and relevant backport.
* bpo-43428: Sync with importlib_metadata 3.7. (GH-24782)Jason R. Coombs2021-03-132-25/+220
| | | | | | | * bpo-43428: Sync with importlib_metadata 3.7.2 (67234b6) * Add blurb * Reformat blurb to create separate paragraphs for each change included.
* bpo-42129: Add support for resources in namespaces (GH-24670)Jason R. Coombs2021-03-046-88/+270
| | | | | * Unify behavior in ResourceReaderDefaultsTests and align with the behavior found in importlib_resources. * Equip NamespaceLoader with a NamespaceReader. * Apply changes from importlib_resources 5.0.4
* bpo-42128: Structural Pattern Matching (PEP 634) (GH-22917)Brandt Bucher2021-02-261-1/+2
| | | | | Co-authored-by: Guido van Rossum <guido@python.org> Co-authored-by: Talin <viridia@gmail.com> Co-authored-by: Pablo Galindo <pablogsal@gmail.com>
* bpo-42382: In importlib.metadata, `EntryPoint` objects now expose `dist` ↵Jason R. Coombs2020-12-311-66/+119
| | | | | | | | | | | | | | (#23758) * bpo-42382: In importlib.metadata, `EntryPoint` objects now expose a `.dist` object referencing the `Distribution` when constructed from a `Distribution`. Also, sync importlib_metadata 3.3: - Add support for package discovery under package normalization rules. - The object returned by `metadata()` now has a formally-defined protocol called `PackageMetadata` with declared support for the `.get_all()` method. * Add blurb * Remove latent footnote.
* bpo-42246: Make sure that `f_lasti`, and thus `f_lineno`, is set correctly ↵Mark Shannon2020-12-171-1/+2
| | | | | | | | | after raising or reraising an exception (GH-23803) * Ensure that f_lasti is set correctly after an exception is raised to conform to PEP 626. * Update importlib * Add NEWS.
* bpo-26131: Deprecate usage of load_module() (GH-23469)Brett Cannon2020-12-043-8/+23
| | | Raise an ImportWarning when the import system falls back on load_module(). As for implementations of load_module(), raise a DeprecationWarning.
* bpo-42202: Store func annotations as a tuple (GH-23316)Yurii Karabas2020-11-251-1/+2
| | | | | | | | | | | | | Reduce memory footprint and improve performance of loading modules having many func annotations. >>> sys.getsizeof({"a":"int","b":"int","return":"int"}) 232 >>> sys.getsizeof(("a","int","b","int","return","int")) 88 The tuple is converted into dict on the fly when `func.__annotations__` is accessed first. Co-authored-by: Serhiy Storchaka <storchaka@gmail.com> Co-authored-by: Inada Naoki <songofacandy@gmail.com>
* bpo-42403: Use @staticmethod in importlib (GH-23395)Victor Stinner2020-11-202-16/+16
| | | | | | | | | | | | | Use @staticmethod on methods using @classmethod but don't use their cls parameter on the following classes: * BuiltinImporter * FrozenImporter * WindowsRegistryFinder * PathFinder Leave methods using @_requires_builtin or @_requires_frozen unchanged, since this decorator requires the wrapped method to have an extra parameter (cls or self).
* bpo-42403: Simplify importlib external bootstrap (GH-23397)Victor Stinner2020-11-193-65/+55
| | | | | | | Simplify the importlib external bootstrap code: importlib._bootstrap_external now uses regular imports to import builtin modules. When it is imported, the builtin __import__() function is already fully working and so can be used to import builtin modules like sys.
* bpo-42403: Fix pyflakes warnings in importlib (GH-23396)Victor Stinner2020-11-193-4/+0
| | | Remove unused imports and unused local variables.
* Bump magic number. (GH-23245)Mark Shannon2020-11-121-1/+2
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* bpo-41490: ``path`` and ``contents`` to aggressively close handles (#22915)Jason R. Coombs2020-10-253-16/+32
| | | | | | | | | * bpo-41490: ``path`` method to aggressively close handles * Add blurb * In ZipReader.contents, eagerly evaluate the contents to release references to the zipfile. * Instead use _ensure_sequence to ensure any iterable from a reader is eagerly converted to a list if it's not already a sequence.
* bpo-42089: Sync with current cpython branch of importlib_metadata (GH-22775)Barry Warsaw2020-10-191-0/+9
| | | | | ~~The only differences are in the test files.~~ Automerge-Triggered-By: @jaraco
* bpo-38605: bump the magic number for 'annotations' future (#22630)Batuhan Taskaya2020-10-101-1/+2
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* bpo-40924: Ensure importlib.resources.path returns an extant path (GH-20857)Jason R. Coombs2020-06-291-1/+12
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* bpo-41006: importlib.util no longer imports typing (GH-20938)Victor Stinner2020-06-173-49/+53
| | | | Create importlib._abc submodule to avoid importing typing when importlib.util is imported. Move Loader ABC into importlib._abc.
* bpo-39791 native hooks for importlib.resources.files (GH-20576)Jason R. Coombs2020-06-085-115/+110
| | | | | | | | | | | | | | | | | | | | | | | | | * Provide native .files support on SourceFileLoader. * Add native importlib.resources.files() support to zipimporter. Remove fallback support. * make regen-all * 📜🤖 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>
* bpo-39791: Refresh importlib.metadata from importlib_metadata 1.6.1. (GH-20659)Jason R. Coombs2020-06-051-5/+25
| | | | | | | * Refresh importlib.metadata from importlib_metadata 1.6.1. * 📜🤖 Added by blurb_it. Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
* bpo-19468: delete unnecessary instance check in importlib.reload() (GH-19424)Furkan Önder2020-06-051-4/+4
| | | Automerge-Triggered-By: @brettcannon
* bpo-39791: Add files() to importlib.resources (GH-19722)Jason R. Coombs2020-05-083-102/+217
| | | | | | | | | * bpo-39791: Update importlib.resources to support files() API (importlib_resources 1.5). * 📜🤖 Added by blurb_it. * Add some documentation about the new objects added. Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
* bpo-40443: Remove unused imports in stdlib (GH-19815)Victor Stinner2020-05-011-2/+1
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* bpo-40050: Fix importlib._bootstrap_external (GH-19135)Victor Stinner2020-03-241-21/+13
| | | | | | 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-38691: importlib ignores PYTHONCASEOK if -E is used (GH-18627)idomic2020-03-091-2/+2
| | | | | The importlib module now ignores the PYTHONCASEOK environment variable when the -E or -I command line options are being used.
* bpo-38091: Import deadlock detection causes deadlock (GH-17518)Armin Rigo2020-03-031-0/+9
| | | Automerge-Triggered-By: @brettcannon
* Revert "bpo-38691 Added a switch to ignore PYTHONCASEOK when -E or -I flags ↵Victor Stinner2020-02-191-1/+1
| | | | | passed (#18314)" (GH-18553) This reverts commit d83b6600b25487e4ebffd7949d0f478de9538875.
* bpo-38691 Added a switch to ignore PYTHONCASEOK when -E or -I flags passed ↵idomic2020-02-171-1/+1
| | | | | | | | | | | | | | | | | | | | | (#18314) * Hard reset + cherry piciking the changes. * 📜🤖 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-39595: Improve zipfile.Path performance (#18406)Jason R. Coombs2020-02-121-5/+7
| | | | | | | | | | | | | | | | | | * Improve zipfile.Path performance on zipfiles with a large number of entries. * 📜🤖 Added by blurb_it. * Add bpo to blurb * Sync with importlib_metadata 1.5 (6fe70ca) * Update blurb. * Remove compatibility code * Add stubs module, omitted from earlier commit Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
* bpo-39320: Handle unpacking of **values in compiler (GH-18141)Mark Shannon2020-01-271-1/+2
| | | | | | | | | | | | | * 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 Shannon2020-01-231-1/+3
| | | | | | | | * 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-39336: Allow packages to not let their child modules be set on them (#18006)Dino Viehland2020-01-231-1/+6
| | | | | * bpo-39336: Allow setattr to fail on modules which aren't assignable When attaching a child module to a package if the object in sys.modules raises an AttributeError (e.g. because it is immutable) it causes the whole import to fail. This now allows immutable packages to exist and an ImportWarning is reported and the AttributeError exception is ignored.
* bpo-39156: Break up COMPARE_OP into four logically distinct opcodes. (GH-17754)Mark Shannon2020-01-141-1/+2
| | | | | | | | 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.
* bpo-39297: Update for importlib_metadata 1.4. (GH-17947)Jason R. Coombs2020-01-111-36/+72
| | | | | | | | | | * bpo-39297: Update for importlib_metadata 1.4. Includes performance updates. * 📜🤖 Added by blurb_it. * Update blurb Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
* bpo-39022, bpo-38594: Sync with importlib_metadata 1.3 (GH-17568)Jason R. Coombs2019-12-111-1/+22
| | | | | | | | * bpo-39022, bpo-38594: Sync with importlib_metadata 1.3 including improved docs for custom finders and better serialization support in EntryPoints. * 📜🤖 Added by blurb_it. * Correct module reference
* Produce cleaner bytecode for 'with' and 'async with' by generating separate ↵Mark Shannon2019-11-211-1/+3
| | | | | | 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.
* Remove binding of captured exceptions when not used to reduce the chances of ↵Pablo Galindo2019-11-191-1/+1
| | | | | | | creating cycles (GH-17246) Capturing exceptions into names can lead to reference cycles though the __traceback__ attribute of the exceptions in some obscure cases that have been reported previously and fixed individually. As these variables are not used anyway, we can remove the binding to reduce the chances of creating reference cycles. See for example GH-13135
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