mirror of
https://github.com/pocketpy/pocketpy
synced 2025-10-19 19:10:17 +00:00
84 lines
1.8 KiB
Python
84 lines
1.8 KiB
Python
from typing import Dict, Tuple, List
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bill: Dict[str, float] = {
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"apple": 3.14,
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"watermelon": 15.92,
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"pineapple": 6.53,
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}
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completed: Tuple[str] = ("DONE",)
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succeeded: Tuple[int, str] = (1, "SUCCESS")
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statuses: Tuple[str, ...] = (
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"DONE", "SUCCESS", "FAILED", "ERROR",
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)
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codes: List[int] = (0, 1, -1, -2)
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from typing import Union
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def resp200(meaningful) -> Union[int, str]:
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return "OK" if meaningful else 200
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from typing import Self
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class Employee:
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name: str = "John Doe"
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age: int = 0
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def set_name(self: Self, name) -> Self:
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self.name = name
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return self
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from typing import TypeVar, Type
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T = TypeVar("T")
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# "mapper" is a type, like int, str, MyClass and so on.
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# "default" is an instance of type T, such as 314, "string", MyClass() and so on.
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# returned is an instance of type T too.
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def converter(raw, mapper: Type[T] = None, default: T = None) -> T:
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try:
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return mapper(raw)
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except:
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pass
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return default
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raw: str = '4'
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result: int = converter(raw, mapper=int, default=0)
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from typing import TypeVar, Callable, Any
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T = TypeVar("T")
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def converter(raw, mapper: Callable[[Any], T] = None, default: T = None) -> T:
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try:
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return mapper(raw)
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except:
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pass
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return default
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def is_success(value) -> bool:
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return value in (0, "OK", True, "success")
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resp = {'code': 0, 'message': 'OK', 'data': []}
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successed: bool = converter(resp['message'], mapper=is_success, default=False)
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class A:
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x: List[Callable[[int], Any]]
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y: Dict[str, int]
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a = A()
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assert not hasattr(a, 'x')
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assert not hasattr(a, 'y')
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class B:
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x: List[Callable[[int], Any]] = []
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y: Dict[str, int] = {}
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b = B()
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assert hasattr(b, 'x')
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assert hasattr(b, 'y')
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abc123: int
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assert 'abc123' not in globals() |