| from abc import abstractmethod |
| from dataclasses import field |
|
|
| from .artifact import Artifact |
| from .random_utils import random |
|
|
|
|
| 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] |
|
|
| def __len__(self): |
| return len(self.items) |
|
|
| def append(self, item): |
| self.items.append(item) |
|
|
| def extend(self, other): |
| self.items.extend(other.items) |
|
|
| def __add__(self, other): |
| return ListCollection(self.items.__add__(other.items)) |
|
|
|
|
| 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): |
| try: |
| return collection[int(self.item)] |
| except (SyntaxError, KeyError, ValueError) as e: |
| 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())) |
|
|
