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A plugin extends power of attrs library.

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Welcome to attrs_mate Documentation

Usage: more utility methods.

import attr
from attrs_mate import AttrsClass

class User(AttrsClass):
    id = attr.ib()
    name = attr.ib()

user = User(id=1, name="Alice")
user.keys() # ["id", "name"]
user.values() # [1, "Alice"]
user.items() # [("id", 1), ("name": "Alice")]
user.to_dict() # {"id": 1, "name": "Alice"}
user.to_OrderedDict() # OrderedDict([("id", 1), ("name": "Alice")])

Feature: allow attrs to load complex object from dict data.

import attr
from attrs_mate import AttrsClass

class Profile(AttrsClass):
    firstname, lastname, ssn are generic data type field.
    firstname = attr.ib(default=None)
    lastname = attr.ib(default=None)
    ssn = attr.ib(default=None)

class Degree(AttrsClass):
    name = attr.ib(default=None)
    year = attr.ib(default=None)

class People(AttrsClass):
    - ``profile`` is nested field.
    - ``degrees`` is collection type field.
    id = attr.ib(default=None)
    profile = attr.ib(
    degrees = attr.ib(
        convert=lambda degrees: [
            Degree.from_dict(degree) for degree in degrees],

people = People(
        Degree(name="Bachelor", year=2004),
        Degree(name="Master", year=2006),
people_data = people.to_dict()

# {
#     'id': 1,
#     'profile': {
#         'lastname': 'John', 'ssn': '123-45-6789', 'firstname': 'David'
#     },
#     'degrees': [
#         {'name': 'Bachelor', 'year': 2004},
#         {'name': 'Master', 'year': 2006}
#     ]
# }

people = People.from_dict(people_data)
# People(id=1, profile=Profile(firstname='David', lastname='John', ssn='123-45-6789'), degrees=[Degree(name='Bachelor', year=2004), Degree(name='Master', year=2006)])


attrs_mate is released on PyPI, so all you need is:

$ pip install attrs_mate

To upgrade to latest version:

$ pip install --upgrade attrs_mate

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