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istype-python's Introduction

istype

Build Status

Support python version:

  • 3.6
  • 3.7
  • 3.8

Usage

After python 3.5, we got a typing module.

We known typing.Union[int, str] mean the type is one of int or str. However, we cannot use isinstance() for test it.

So...

from typing import Union
from istype import isinstanceof

assert isinstanceof(1, Union[int, str])

You can use from istype import isinstanceof as isinstance to replace the builtins isinstance.

Supported types

  • Union
  • Any
  • Optional
  • Tuple
  • List
  • AnyStr
  • Set
  • Dict
  • Type
  • Iterable
  • Collection

Configurable

from typing import List
from istype import TypeMatcher

matcher = TypeMatcher()
assert not matcher.isinstance([1], List[str])
matcher.check_list_elements = False
assert matcher.isinstance([1], List[str]) # now can ignore element checks

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istype-python's Issues

Cannot import istype: istype.internal is not packaged on pypi

Hello, thank you for sharing your work. Unfortunately the current version packaged on pypi cannot be used because it is missing the internal directory. Installing from the repository directly works fine.

Steps to reproduce:

$ mkdir testing-istype && cd testing-istype && pwd
/tmp/testing-istype
$ python3 -m venv istype-venv
$ source istype-venv/bin/activate
(istype-venv) $ pip install istype
Collecting istype
  Using cached https://files.pythonhosted.org/packages/6a/d5/57255f3d4c3e6c002658f7a7e6f59d27b0d24167f30905ce4d1a1971f4f9/istype-0.1.2.0.tar.gz
Installing collected packages: istype
  Running setup.py install for istype ... done
Successfully installed istype-0.1.2.0
You are using pip version 9.0.3, however version 10.0.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
(istype-venv) $ python
Python 3.6.5 (default, Mar 29 2018, 18:20:46) 
[GCC 8.0.1 20180317 (Red Hat 8.0.1-0.19)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> from istype import issubclassof
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/tmp/testing-istype/istype-venv/lib64/python3.6/site-packages/istype/__init__.py", line 9, in <module>
    from .internal.common import isinstanceof, issubclassof
ModuleNotFoundError: No module named 'istype.internal'
>>> import istype
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/tmp/testing-istype/istype-venv/lib64/python3.6/site-packages/istype/__init__.py", line 9, in <module>
    from .internal.common import isinstanceof, issubclassof
ModuleNotFoundError: No module named 'istype.internal'

Inspecting the installation directory reveals that the whole internal directory is missing:

$ cd /tmp/testing-istype/istype-venv/lib64/python3.6/site-packages/istype/                             
$ ls
__init__.py  __pycache__

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