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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__
)