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* bpo-30436: Add missing space in importlib.util.find_spec() error message ↵Miss Islington (bot)2018-06-061-1/+1
| | | | | | | (GH-7385) (cherry picked from commit fffeb6f3d66f1c844a9327ffe6e2ad8eae8aeb14) Co-authored-by: Zackery Spytz <zspytz@gmail.com>
* bpo-32911: Update the historical note about the magic number. (GH-7272)Serhiy Storchaka2018-05-311-1/+1
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* bpo-32911: Revert bpo-29463. (GH-7121)Serhiy Storchaka2018-05-291-1/+3
| | | | | | | 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-33537: Add an __all__ to importlib.resources (GH-6920) (#6941)Miss Islington (bot)2018-05-171-8/+20
| | | | | (cherry picked from commit 0ed66df5242138fc599b4735749e55f953d9a1e4) Co-authored-by: Barry Warsaw <barry@python.org>
* bpo-33254: do not return an empty list when asking for the contents of a ↵Miss Islington (bot)2018-04-302-13/+12
| | | | | | | namespace package (GH-6467) (cherry picked from commit 3ab9365dca8438f89b2060cd3eebe00606133dc4) Co-authored-by: Brett Cannon <brettcannon@users.noreply.github.com>
* [3.7] bpo-33169: Remove values of `None` from sys.path_importer_cache when ↵Brett Cannon2018-04-061-2/+4
| | | | | | 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-33151: Handle submodule resources (GH-6268) (GH-6270)Miss Islington (bot)2018-03-271-3/+5
| | | | | (cherry picked from commit 30e507dff465a31901d87df791a2bac40dc88530) Co-authored-by: Barry Warsaw <barry@python.org>
* bpo-32838: Fix Python versions in the table of magic numbers. (GH-5658)Miss Islington (bot)2018-02-231-32/+35
| | | | | (cherry picked from commit 4af8fd561433826ac897c55e41a087a5c5dbacf3) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* bpo-32303 - Consistency fixes for namespace loaders (GH-5481) (#5503)Barry Warsaw2018-02-023-6/+27
| | | | | | | | | | * 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 Shannon2018-01-291-1/+2
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* bpo-32248 - Implement `ResourceReader` and `get_resource_reader()` for ↵Barry Warsaw2018-01-241-67/+83
| | | | zipimport (#5248)
* Implement the get_resource_reader() API for file system imports (#5168)Barry Warsaw2018-01-153-9/+40
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* bpo-32248: Introduce the concept of Loader.get_resource_reader() (GH-5108)Brett Cannon2018-01-121-2/+7
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* bpo-32248 - Implement importlib.resources (#4911)Barry Warsaw2017-12-301-0/+303
| | | | Port importlib_resources to importlib.resources
* bpo-32248: Implement importlib.abc.ResourceReader (GH-4892)Brett Cannon2017-12-151-0/+38
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* closes bpo-31650: PEP 552 (Deterministic pycs) implementation (#4575)Benjamin Peterson2017-12-092-55/+149
| | | | | | | | | | | | | | | | | | | | | | | | | 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-21720: Restore the Python 2.7 logic in handling a fromlist. (#4118)Serhiy Storchaka2017-10-261-7/+13
| | | | | | BytesWarning no longer emitted when the fromlist argument of __import__() or the __all__ attribute of the module contain bytes instances.
* bpo-31642: Restore blocking "from" import by setting None in sys.modules. ↵Serhiy Storchaka2017-10-081-1/+2
| | | | (#3834)
* bpo-31709: Update importlib magic (#3906)Yury Selivanov2017-10-061-1/+2
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* Trivial cleanups following bpo-31370 (#3649)Antoine Pitrou2017-09-182-18/+2
| | | | | | * Trivial cleanups following bpo-31370 * Also cleanup the "importlib._bootstrap_external" module
* bpo-31070: Fix a race condition in importlib _get_module_lock(). (#3033)Serhiy Storchaka2017-08-091-2/+12
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* bpo-30891: Fix again importlib _find_and_load() (#2665)Victor Stinner2017-07-211-5/+5
| | | | | | | | | Use sys.modules.get() in the "with _ModuleLockManager(name):" block to protect the dictionary key with the module lock and use an atomic get to prevent race condition. Remove also _bootstrap._POPULATE since it was unused (_bootstrap_external now has its own _POPULATE object), add a new _SENTINEL object instead.
* bpo-30876: Relative import from unloaded package now reimports the package ↵Serhiy Storchaka2017-07-121-4/+0
| | | | | | | | | (#2639) instead of failing with SystemError. Relative import from non-package now fails with ImportError rather than SystemError.
* bpo-30891: Fix importlib _find_and_load() race condition (#2646)Victor Stinner2017-07-101-28/+30
| | | | | | * Rewrite importlib _get_module_lock(): it is now responsible to hold the imp lock directly. * _find_and_load() now holds the module lock to check if name is in sys.modules to prevent a race condition
* bpo-30814: Fixed a race condition when import a submodule from a package. ↵Serhiy Storchaka2017-07-061-14/+14
| | | | (#2580)
* bpo-30436: Raise ModuleNotFoundError for importlib.util.find_spec() when ↵Milan Oberkirch2017-06-141-3/+8
| | | | | parent isn't a package (GH-1899) Previously AttributeError was raised, but that's not very reflective of the fact that the requested module can't be found since the specified parent isn't actually a package.
* bpo-29851: Have importlib.reload() raise ImportError if the module's spec is ↵Garvit Khatri2017-05-241-0/+2
| | | | not found (GH-972)
* bpo-22257: Small changes for PEP 432. (#1728)Eric Snow2017-05-221-1/+4
| | | PEP 432 specifies a number of large changes to interpreter startup code, including exposing a cleaner C-API. The major changes depend on a number of smaller changes. This patch includes all those smaller changes.
* bpo-30022: Get rid of using EnvironmentError and IOError (except test… (#1051)Serhiy Storchaka2017-04-162-7/+7
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* bpo-29862: Fix grammar in importlib.reload() exception (GH-809)Mandeep Bhutani2017-03-241-1/+1
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* bpo-29576: add explicit deprecation for importlib.abc.find_loader() and ↵Matthias Bussonnier2017-02-152-7/+21
| | | | | | find_module() (GH-32)
* Issue #26110: Add LOAD_METHOD/CALL_METHOD opcodes.Yury Selivanov2016-12-131-1/+2
| | | | | | | 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 Dower2016-12-121-2/+0
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* Issue #23722: improve __classcell__ compatibilityNick Coghlan2016-12-051-1/+2
| | | | | | | | | | | | | | | | | | | | | 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 #28257: Improved error message when pass a non-iterable asSerhiy Storchaka2016-10-021-1/+2
| | | | a var-positional argument. Added opcode BUILD_TUPLE_UNPACK_WITH_CALL.
* Issue #23722: Initialize __class__ from type.__new__()Nick Coghlan2016-09-111-2/+3
| | | | | | | | | 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 Snow2016-09-091-5/+0
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* Rework CALL_FUNCTION* opcodesVictor Stinner2016-09-091-1/+2
| | | | | | | | | | | | | | | | | | | 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 Selivanov2016-09-081-1/+3
| | | | Patch by Ivan Levkivskyi.
* Issue #28026: Raise ImportError when exec_module() exists but ↵Eric Snow2016-09-081-3/+2
| | | | create_module() is missing.
* Issue #26667: Add path-like object support to importlib.util.Brett Cannon2016-09-071-0/+4
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* Issue #15767: Use ModuleNotFoundError.Eric Snow2016-09-071-7/+7
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* Issue #27974: Remove importlib._bootstrap._ManageReload.Brett Cannon2016-09-061-17/+0
| | | | Class was dead code. Thanks to Xiang Zhang for the patch.
* Issue #27078: Added BUILD_STRING opcode. Optimized f-strings evaluation.Serhiy Storchaka2016-09-061-2/+3
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* Merge for #27083Brett Cannon2016-07-161-4/+10
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| * Fix regressions introduced by fixes for issue #27083.Brett Cannon2016-07-161-4/+10
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* | Merge for #27083Brett Cannon2016-07-151-1/+2
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| * Issue #27083: Respect the PYTHONCASEOK environment variable underBrett Cannon2016-07-151-1/+2
| | | | | | | | | | | | | | | | | | | | Windows. Originally only b'PYTHONCASEOK' was being checked for in os.environ, but that won't work under Windows where all environment variables are strings (on OS X they are bytes). Thanks to Eryk Sun for the bug report.
* | Issue #26972: Fix some mistakes in importlib-related docstrings.Brett Cannon2016-07-082-12/+12
| | | | | | | | Thanks to Oren Milman for the patch.
* | Issue #26186: Remove the restriction that built-in and extensionBrett Cannon2016-06-251-13/+11
| | | | | | | | | | | | | | | | modules can't be lazily loaded. Thanks to Python 3.6 allowing for types.ModuleType to have its __class__ mutated, the restriction can be lifted by calling create_module() on the wrapped loader.
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