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| class MyMutableClass(object): | |
| def __init__(self, foo, bar): | |
| "This is a chore" | |
| self.foo, self.bar = foo, bar | |
| def mutateThing(self, baz=None, quux=None, wibble=None, wobble=None, wubble=None) | |
| "I hope i didnt miss any arguments there" | |
| if baz is not None: | |
| self.baz = baz | |
| if quux is not None: | |
| self.quux = quux | |
| if wibble is not None: | |
| self.wibble = wibble | |
| if wobble is not None: | |
| self.wobble = wobble | |
| if wubble is not None: | |
| self.wobble = wubble | |
| from collections import namedtuple | |
| Mutation = namedtuple('Mutation', 'baz quux wibble wobble wubble') | |
| class Nicer(object): | |
| def __init__(self, foo, bar): | |
| kwargs = vars() | |
| kwargs.pop('self') | |
| for attr, value in kwargs.iteritems() | |
| setattr(self, attr, value) | |
| def mutate(self, mutation): | |
| if not isinstance(mutation, Mutation): | |
| raise ValueError("mutation must be an instance of Mutation") | |
| for attr, value in mutation._asdict().iteritems() | |
| if value is not None: | |
| setattr(self, attr, value) |
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