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os-python3.9
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bullseye
Lib/test/mod_generics_cache.py
53 строки
1 KB
Huw Jones
Imported Upstream version 3.9.2
21 мар 2022, 14:02
21 мар 2022, 14:02
0946962
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"""Module for testing the behavior of generics across different modules.""" import sys from textwrap import dedent from typing import TypeVar, Generic, Optional if sys.version_info[:2] >= (3, 6): exec(dedent(""" default_a: Optional['A'] = None default_b: Optional['B'] = None T = TypeVar('T') class A(Generic[T]): some_b: 'B' class B(Generic[T]): class A(Generic[T]): pass my_inner_a1: 'B.A' my_inner_a2: A my_outer_a: 'A' # unless somebody calls get_type_hints with localns=B.__dict__ """)) else: # This should stay in sync with the syntax above. __annotations__ = dict( default_a=Optional['A'], default_b=Optional['B'], ) default_a = None default_b = None T = TypeVar('T') class A(Generic[T]): __annotations__ = dict( some_b='B' ) class B(Generic[T]): class A(Generic[T]): pass __annotations__ = dict( my_inner_a1='B.A', my_inner_a2=A, my_outer_a='A' # unless somebody calls get_type_hints with localns=B.__dict__ )