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cpython/Lib/test/mod_generics_cache.py

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bpo-28556: Various updates to typing (#28) 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
2017-02-13 17:50:14 -04:00
"""Module for testing the behavior of generics across different modules."""
bpo-28556: typing.get_type_hints: better globalns for classes and modules (#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.
2017-09-14 15:33:00 -03:00
from typing import TypeVar, Generic, Optional
bpo-28556: Various updates to typing (#28) 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
2017-02-13 17:50:14 -04:00
bpo-46348: modernize `test_typing` (GH-30547)
2022-01-12 12:48:10 -04:00
default_a: Optional['A'] = None
default_b: Optional['B'] = None
bpo-28556: Various updates to typing (#28) 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
2017-02-13 17:50:14 -04:00
bpo-46348: modernize `test_typing` (GH-30547)
2022-01-12 12:48:10 -04:00
T = TypeVar('T')
bpo-28556: Various updates to typing (#28) 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
2017-02-13 17:50:14 -04:00
bpo-46348: modernize `test_typing` (GH-30547)
2022-01-12 12:48:10 -04:00
class A(Generic[T]):
some_b: 'B'
bpo-28556: typing.get_type_hints: better globalns for classes and modules (#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.
2017-09-14 15:33:00 -03:00
bpo-46348: modernize `test_typing` (GH-30547)
2022-01-12 12:48:10 -04:00
class B(Generic[T]):
bpo-28556: typing.get_type_hints: better globalns for classes and modules (#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.
2017-09-14 15:33:00 -03:00
class A(Generic[T]):
bpo-46348: modernize `test_typing` (GH-30547)
2022-01-12 12:48:10 -04:00
pass
bpo-28556: typing.get_type_hints: better globalns for classes and modules (#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.
2017-09-14 15:33:00 -03:00
bpo-46348: modernize `test_typing` (GH-30547)
2022-01-12 12:48:10 -04:00
my_inner_a1: 'B.A'
my_inner_a2: A
my_outer_a: 'A' # unless somebody calls get_type_hints with localns=B.__dict__