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import random
from abc import abstractmethod
from dataclasses import field
from .artifact import Artifact
class Collection(Artifact):
@abstractmethod
def __getitem__(self, key):
pass
class ListCollection(Collection):
items: list = field(default_factory=list)
def __getitem__(self, index):
return self.items[index]
class DictCollection(Collection):
items: dict = field(default_factory=dict)
def __getitem__(self, key):
return self.items[key]
class ItemPicker(Artifact):
item: object = None
def __call__(self, collection: Collection):
return collection[self.item]
class RandomPicker(Artifact):
def __call__(self, collection: Collection):
if isinstance(collection, ListCollection):
return random.choice(list(collection.items))
elif isinstance(collection, DictCollection):
return random.choice(list(collection.items.values()))
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