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Data types not found in the standard library that are cool in various different ways ;)

Project description


Advanced DataTypes is a package for Python that provides access faster, feature-rich data types not provided in the standard library, motivated by my thoughts of "why is that not a thing?" The aim of the project is to fill out the holes in the standard library data types' feature-set while improving upon the performance of the existing feature-set.

Constant Store

Constant Store is a class that provides a namespace within which to store constants on a class attribute basis. Class definition is very simple:

from advanced_dtypes import ConstStore

class Example(ConstStore):
    NAME_1 = "some_value"
    NAME_2 = 23

The class is built to populate a set and dictionary on import, which drives many of the features of the class, as well as the __slots__ attribute, which helps boost performance. Since the class attributes are maintained, names can be directly dot-referenced.

>> Example.NAME_1 == "some_value"
>> type(Example.NAME_1) == str

ConstStore also provides an interface for the following functionality:

>> len(Example)
>> 23 in Example
>> Example(23)
>> Example["NAME_2"]
>> [value for value in Example]
["some_value", 23]

You should be aware, however, that non-hashable objects will have slower performance in lookups such as in, Class(value) and Class[name].

Fast Enum

FastEnum is simply a faster implementation of the existing standard library Enum.

Definition is exactly the same as a standard enum:

from advanced_dtypes import FastEnum

class Example(FastEnum):
    NAME_1 = "some_value"
    NAME_2 = 23

Similarly, standard enum functionality remains:

>> Example.NAME_1
<Example.NAME_1: some_value>
>> Example.NAME_1.value
>> Example("some_value")
<Example.NAME_1: some_value>
>> Example["NAME_1"]
<Example.NAME_1: some_value>
>> len(Example)
>> [item for item in Example]
[<Example.NAME_1: some_value>, <Example.NAME_2: 23>]
>> Example.NAME_1 == Example.NAME_1

The only functional addition in this instance is equality checking of members against values directly:

>> Example.NAME_1 == "some_value"

How To Install

pip install advanced-dtypes

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