pykon 0.2

A module allowing for constant and publicly immutable data.

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Pykon is a way to allow constant and publicly immutable data.

Though, data can be modified its type cannot.

With Pykon, errors are returned rather than being raised

giving the user the ability to control when an error should be raised.

Example

from pykon import Pykon
from typing import Union

mylist: Pykon = Pykon(list, [1,2,3,4])

if hasattr(mylist, "error"):
    raise mylist.error
else:
    print(mylist.data)


# Using a try except block
#
# try:
#    print(mylist.data)
# except AttributeError:
#    raise mylist.error


# Return a PykonError from a function
#
# def test() -> Union[None, Pykon.PykonError]:
#     constantInt: Pykon = Pykon(int, 20)
#     if hasattr(constantInt, "data"):
#         print(constantInt.data)
#         return None
#     else:
#         return constantInt.error