pystrict

Name	pystrict JSON
Version	1.3 JSON
	download
home_page	https://github.com/earonesty/pystrict
Summary	## strict
upload_time	2022-07-11 17:34:55
maintainer	None
docs_url	None
author	Erik Aronesty
requires_python	>=3.6
license	None
keywords
VCS
bugtrack_url
requirements	No requirements were recorded.
Travis-CI
coveralls test coverage	No coveralls.

            [![Build Status](https://travis-ci.com/earonesty/pystrict.svg?branch=master)](https://travis-ci.com/earonesty/pystrict)

## strict

Python strict tag

    pip install pystrict


Using @strict on classes can prevent serious errors by raising an exception when an instance has a variable created outside of init.
Unfortunately, linters don't (cannot) always catch this.  I can't express how much time this has saved me recently.

Using @strict on functions only checks type specifiers.

Example:

    from pystrict import strict

    # not allowed, missing type specifier
    @strict
    def foo(x: int, y):
        ...


    # not allowed, missing type specifier in __init__
    @strict
    class Foo():
        def __init__(self, x: int, y):
            ...

    # not allowed, object modified outside of init
    @strict
    class Foo():
        def __init__(self, x: int):
            self.x = 1

    # mypy and pytest won't check this
    def evil():
        return list({'a':Foo(1)}.values())

    z = evil()
    z[0].y = 4

            

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