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I am practicing using type hints in Python 3.5. One of my colleague uses typing.Dict: import typing def change_bandwidths(new_bandwidths: typing.Dict, user_id: int, user_name: str) -> bool: print(new_bandwidths, user_id, user_name)...
In python 3.x, it is common to use return type annotation of a function, such as: def foo() -> str: return "bar" What is the correct annotation for the...
Using Python 3’s function annotations, it is possible to specify the type of items contained within a homogeneous list (or other collection) for the purpose of type hinting in...
I’m trying to split my huge class into two; well, basically into the “main” class and a mixin with additional functions, like so: main.py file: import mymixin.py class Main(object,...
How do I use type hints to annotate a function that returns an Iterable that always yields two values: a bool and a str? The hint Tuple[bool, str] is...
Suppose I have a function: def get_some_date(some_argument: int=None) -> %datetime_or_None%: if some_argument is not None and some_argument == 1: return datetime.utcnow() else: return None How do I specify the...
One of the most talked-about features in Python 3.5 is type hints. An example of type hints is mentioned in this article and this one while also mentioning to...
I’m trying out Python’s type annotations with abstract base classes to write some interfaces. Is there a way to annotate the possible types of *args and **kwargs? For example,...
How can I specify the type hint of a variable as a function type? (See also: PEP 483.) import typing def my_function(func: typing.Function): func() 4 Answers 4
I have a function in python that can either return a bool or a list. Is there a way to specify the return types using type hints? For example,...