cwtch 0.3.0

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cwtch [wip] - Python dataclasses with validation and views.

Documentation

In [1]: from cwtch import dataclass, field

In [2]: @dataclass
   ...: class D:
   ...:     i: int
   ...:     s: str = field(validate=False)
   ...: 

In [3]: D(i=1, s='s')
Out[3]: D(i=1, s='s')

In [4]: D(i='i', s='s')
---------------------------------------------------------------------------
...
ValidationError                           Traceback (most recent call last)
Cell In[4], line 1
----> 1 D(i='i', s='s')

File <string>:14, in __init__(__cwtch_self__, i, s, **__cwtch_kwds__)

ValidationError: type[ <class '__main__.D'> ] path[ 'i' ] value_type[ <class 'str'> ]
  type[ <class 'int'> ] value_type[ <class 'str'> ] value[ 'i' ]
    Error: invalid literal for int() with base 10: 'i'

In [5]: D(i='1', s=0)
Out[5]: D(i=1, s=0)