When to lazy to do simple assigments.

dataclass_like_auto_init.py

#!/usr/bin/env python2

class SomeClass(object):
    def __init__(self, an_attribute, another_attribute, attr_with_name_to_hard_to_write,
                 hate_to_write_stupid_identical_assignments,
                 so_lazy_to_write_self_many_times, no_dataclasses_in_py2,
                 what_can_we_do_with_a_drunken_sailor, here_is_a_solution,
                 kak_tebe_takoe_Elon_Musk):
        (lambda l: [setattr(self, attr, l[attr]) for attr in
                    filter(lambda x: x != 'self', 
                           getattr(self.__init__, 'func_code', getattr(self.__init__, '__code__')).co_varnames)])(locals())
        
# TODO: upgrade to mixin or decorator
        
instance = SomeClass(*range(9))
expected_attrs = {'an_attribute', 'another_attribute',
                  'attr_with_name_to_hard_to_write',
                  'hate_to_write_stupid_identical_assignments',
                  'here_is_a_solution', 'kak_tebe_takoe_Elon_Musk',
                  'no_dataclasses_in_py2',
                  'so_lazy_to_write_self_many_times',
                  'what_can_we_do_with_a_drunken_sailor'}

assert set(filter(lambda x: not x.startswith('__'), dir(instance))) == set(expected_attrs)
assert instance.an_attribute == 0