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* bpo-39572: Document ’total’ flag of TypedDict (GH-18554)ananthan-1232020-02-191-1/+14
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* bpo-39627: Fix TypedDict totality check for inherited keys (#18503)Vlad Emelianov2020-02-131-13/+20
| | | (Adapted from https://github.com/python/typing/pull/700)
* bpo-39491: Mention Annotated in get_origin() docstring (GH-18379)Jakub Stasiak2020-02-071-2/+2
| | | I forgot to do it in https://github.com/python/cpython/pull/18260.
* bpo-39491: Merge PEP 593 (typing.Annotated) support (#18260)Jakub Stasiak2020-02-051-5/+121
| | | | | | | | | | | | | | | | | | | | | | | | | * bpo-39491: Merge PEP 593 (typing.Annotated) support PEP 593 has been accepted some time ago. I got a green light for merging this from Till, so I went ahead and combined the code contributed to typing_extensions[1] and the documentation from the PEP 593 text[2]. My changes were limited to: * removing code designed for typing_extensions to run on older Python versions * removing some irrelevant parts of the PEP text when copying it over as documentation and otherwise changing few small bits to better serve the purpose * changing the get_type_hints signature to match reality (parameter names) I wasn't entirely sure how to go about crediting the authors but I used my best judgment, let me know if something needs changing in this regard. [1] https://github.com/python/typing/blob/8280de241fd8c8afe727c7860254b753e383b360/typing_extensions/src_py3/typing_extensions.py [2] https://github.com/python/peps/blob/17710b879882454d55f82c2d44596e8e9f8e4bff/pep-0593.rst
* bpo-39493: Fix definition of IO.closed in typing.py (#18265)Shantanu2020-01-301-0/+1
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* Better runtime TypedDict (GH-17214)Zac Hatfield-Dodds2019-11-241-3/+15
| | | | | This patch enables downstream projects inspecting a TypedDict subclass at runtime to tell which keys are optional. This is essential for generating test data with Hypothesis or validating inputs with typeguard or pydantic.
* bpo-37838: get_type_hints for wrapped functions with forward reference ↵benedwards142019-11-211-1/+5
| | | | | | (GH-17126) https://bugs.python.org/issue37838
* bpo-38407: Add docstrings for typing.SupportsXXX classes. (GH-16644)Serhiy Storchaka2019-10-081-0/+7
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* bpo-38405: Make nested subclasses of typing.NamedTuple pickleable. (GH-16641)Serhiy Storchaka2019-10-081-1/+1
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* cleanup ababstractproperty in typing.py (GH-16432)HongWeipeng2019-09-271-8/+15
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* bpo-38191: Turn warnings into errors in NamedTuple() and TypedDict(). (GH-16238)Serhiy Storchaka2019-09-171-66/+4
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* bpo-38191: Accept arbitrary keyword names in NamedTuple() and TypedDict(). ↵Serhiy Storchaka2019-09-171-10/+71
| | | | | | | | (GH-16222) This includes such names as "cls", "self", "typename", "_typename", "fields" and "_fields". Passing positional arguments by keyword is deprecated.
* bpo-37953: Fix ForwardRef hash and equality checks (GH-15400)plokmijnuhby2019-09-131-3/+5
| | | | | Ideally if we stick a ForwardRef in a dictionary we would like to reliably be able to get it out again. https://bugs.python.org/issue37953
* bpo-38008: Move builtin protocol whitelist to mapping instead of list (GH-15647)Divij Rajkumar2019-09-121-5/+9
| | | | Fixes https://bugs.python.org/issue38008
* bpo-37116: Use PEP 570 syntax for positional-only parameters. (GH-13700)Serhiy Storchaka2019-06-011-1/+1
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* bpo-29262: Add get_origin() and get_args() introspection helpers to typing ↵Ivan Levkivskyi2019-05-301-0/+42
| | | | | | | | | | (GH-13685) This is an old feature request that appears from time to time. After a year of experimenting with various introspection capabilities in `typing_inspect` on PyPI, I propose to add these two most commonly used functions: `get_origin()` and `get_args()`. These are essentially thin public wrappers around private APIs: `__origin__` and `__args__`. As discussed in the issue and on the typing tracker, exposing some public helpers instead of `__origin__` and `__args__` directly will give us more flexibility if we will decide to update the internal representation, while still maintaining backwards compatibility. The implementation is very simple an is essentially a copy from `typing_inspect` with one exception: `ClassVar` was special-cased in `typing_inspect`, but I think this special-casing doesn't really help and only makes things more complicated.
* bpo-36983: Fix typing.__all__ and add test for exported names (GH-13456)Anthony Sottile2019-05-291-0/+3
| | | https://bugs.python.org/issue36983
* bpo-37058: PEP 544: Add Protocol to typing module (GH-13585)Ivan Levkivskyi2019-05-281-111/+231
| | | | | I tried to get rid of the `_ProtocolMeta`, but unfortunately it didn'y work. My idea to return a generic alias from `@runtime_checkable` made runtime protocols unpickleable. I am not sure what is worse (a custom metaclass or having some classes unpickleable), so I decided to stick with the status quo (since there were no complains so far). So essentially this is a copy of the implementation in `typing_extensions` with two modifications: * Rename `@runtime` to `@runtime_checkable` (plus corresponding updates). * Allow protocols that extend `collections.abc.Iterable` etc.
* bpo-37049: PEP 589: Add TypedDict to typing module (GH-13573)Ivan Levkivskyi2019-05-261-0/+84
| | | | The implementation is straightforward and essentially is just copied from `typing_extensions`.
* bpo-37046: PEP 586: Add Literal to typing module (#13572)Ivan Levkivskyi2019-05-261-0/+27
| | | | The implementation is straightforward and essentially is just copied from `typing_extensions`.
* bpo-37045: PEP 591: Add final qualifiers to typing module (GH-13571)Ivan Levkivskyi2019-05-261-3/+49
| | | | The implementation is straightforward, it just mimics `ClassVar` (since the latter is also a name/access qualifier, not really a type). Also it is essentially copied from `typing_extensions`.
* bpo-36972: Add SupportsIndex (GH-13448)Paul Dagnelie2019-05-221-0/+9
| | | | In order to support typing checks calling hex(), oct() and bin() on user-defined classes, a SupportIndex protocol is required. The ability to check these at runtime would be good to add for completeness sake. This is pretty much just a copy of SupportsInt with the names tweaked.
* bpo-36320: Switch typing.NamedTuple from OrderedDict to regular dict (GH-12396)Raymond Hettinger2019-03-181-9/+7
| | | | | | Also, deprecate the *_field_types* attributes which duplicated the information in *\__annotations__*. https://bugs.python.org/issue36320
* bpo-35341: Add generic version of OrderedDict to typing (GH-10850)Ismo Toijala2018-12-021-0/+1
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* bpo-35202: Remove unused imports in Lib directory. (GH-10445)Srinivas Thatiparthy (శ్రీనివాస్ తాటిపర్తి)2018-11-101-1/+0
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* bpo-34921: Allow escaped NoReturn in get_type_hints (GH-9750)Noah Wood2018-10-081-1/+1
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* Fix typo in typing.py module docstring (#9014)Tim McNamara2018-09-011-1/+1
| | | "explicitelly" → "explicitly"
* Fix typo in TypeVar docstring (#8142)João D. Ferreira2018-07-071-1/+1
| | | "can be used do declare" → "can be used to declare"
* bpo-33652: Remove __getstate__ and __setstate__ methods in typing. (GH-7144)Serhiy Storchaka2018-05-281-21/+0
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* bpo-33652: Improve pickle support in the typing module. (GH-7123)Serhiy Storchaka2018-05-261-8/+19
| | | | Pickles of type variables and subscripted generics are now future-proof and compatible with older Python versions.
* Reverse the meaning of is_argument when used for type check (GH-7039)Nina Zakharenko2018-05-231-4/+4
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* bpo-28556: Don't simplify unions at runtime (GH-6841)Ivan Levkivskyi2018-05-181-29/+3
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* Fix ClassVar as string fails when getting type hints (GH-6824)Nina Zakharenko2018-05-161-6/+13
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* Fix a bug in Generic.__new__ (GH-6758)Ivan Levkivskyi2018-05-111-1/+1
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* bpo-28556: Minor fixes for typing module (GH-6732)Ivan Levkivskyi2018-05-091-2/+8
| | | | This also fixes https://bugs.python.org/issue33420
* Spelling fixes to docs, docstrings, and comments (GH-6374)Ville Skyttä2018-04-201-1/+1
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* bpo-32873: Remove a name hack for generic aliases in typing module (GH-6376)Ivan Levkivskyi2018-04-051-1/+14
| | | | This removes a hack and replaces it with a proper mapping {'list': 'List', 'dict': 'Dict', ...}.
* Call super in Generic.__init_subclass__ (#6356)Ivan Levkivskyi2018-04-041-0/+1
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* bpo-32873: Treat type variables and special typing forms as immutable by ↵Ivan Levkivskyi2018-03-261-5/+29
| | | | | | | | | | | | | | | | | | | | | | | | | | | copy and pickle (GH-6216) This also fixes python/typing#512 This also fixes python/typing#511 As was discussed in both issues, some typing forms deserve to be treated as immutable by copy and pickle modules, so that: * copy(X) is X * deepcopy(X) is X * loads(dumps(X)) is X # pickled by reference This PR adds such behaviour to: * Type variables * Special forms like Union, Any, ClassVar * Unsubscripted generic aliases to containers like List, Mapping, Iterable This not only resolves inconsistencies mentioned in the issues, but also improves backwards compatibility with previous versions of Python (including 3.6). Note that this requires some dances with __module__ for type variables (similar to NamedTuple) because the class TypeVar itself is define in typing, while type variables should get module where they were defined. https://bugs.python.org/issue32873
* bpo-33061: Add missing 'NoReturn' to __all__ in typing.py (GH-6127)aetracht2018-03-191-0/+1
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* bpo-32226: PEP 560: improve typing module (#4906)Ivan Levkivskyi2018-01-201-1471/+664
| | | | This PR re-designs the internal typing API using the new PEP 560 features. However, there are only few minor changes in the public API.
* [bpo-28556] Minor fixes for typing module (#4710)Ivan Levkivskyi2017-12-051-8/+4
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* bpo-28556: typing.get_type_hints: better globalns for classes and modules ↵Łukasz Langa2017-09-141-9/+18
| | | | | | | | | | | | | | | (#3582) This makes the default behavior (without specifying `globalns` manually) more predictable for users, finds the right globalns automatically. Implementation for classes assumes has a `__module__` attribute and that module is present in `sys.modules`. It does this recursively for all bases in the MRO. For modules, the implementation just uses their `__dict__` directly. This is backwards compatible, will just raise fewer exceptions in naive user code. Originally implemented and reviewed at https://github.com/python/typing/pull/470.
* bpo-28556: Minor updates to typing module (#3550)Ivan Levkivskyi2017-09-131-50/+29
| | | | * Copy changes to typing from upstream repo * Add NEWS entry
* bpo-28556: Updates to typing module (#2076)Ivan Levkivskyi2017-06-101-2/+59
| | | | | | | This PR contains two updates to typing module: - Support ContextManager on all versions (original PR by Jelle Zijlstra). - Add generic AsyncContextManager.
* bpo-28556: Routine updates to typing (#1366)Ivan Levkivskyi2017-05-021-4/+31
| | | | | - Add NoReturn type - Use WrapperDescriptorType (original PR by Jim Fasarakis-Hilliard) - Minor bug-fixes
* bpo-28556: Fix regression that sneaked into recent typing updates (GH-270)Ivan Levkivskyi2017-02-241-1/+4
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* Update to typing: treat subscripted generics as proxies (#265)Ivan Levkivskyi2017-02-241-0/+7
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* bpo-28556: Various updates to typing (#28)Ivan Levkivskyi2017-02-131-33/+105
| | | | | | | | | | | | | | | various updates from upstream python/typing repo: - Added typing.Counter and typing.ChainMap generics - More flexible typing.NamedTuple - Improved generic ABC caching - More tests - Bugfixes - Other updates * Add Misc/NEWS entry * Add issue number
* Issue #28556: Allow defining methods in NamedTuple class syntax (#362)Guido van Rossum2017-01-231-0/+4
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