Is it possible to use autocomplete for the items in a list using Python?

Python has introduced type hints for function arguments and return types. However, is there a similar feature available for specifying the type of elements in a class? I am seeking to utilize autocomplete functionality as demonstrated in the example below:

class MyClass:
    def hello(self):
        print("Hello")

mylist = []
mylist.append(MyClass())

for i in mylist:
    i.hello() # Autocomplete not supported here

I understand that IDE capabilities may vary, but I am curious if there is a language feature akin to the code hints mentioned earlier. For instance, something like declaring mylist = [] with type MyClass or something similar.

Answer №1

Absolutely! This function is compatible with WingIDE (and likely also with PyCharm):

from typing import List

class NewClass:
    def greet(self):
        print("Greetings")

sample_list: List[NewClass] = []
sample_list.append(NewClass())

for item in sample_list:
    item.greet() # autocompleted here

If you are using a Python version prior to 3.6, stick to the traditional syntax:

sample_list = []  # type: List[NewClass]

The auto-completion feature functions properly with both types of syntax.

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