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from .stream import MultiStream
from .operator import SourceOperator
from .card import TaskCard
from .splitters import SliceSplit, SpreadSplit, RandomSampler
from .recipe import SequentialRecipe, Recipe
from .collections import ItemPicker, RandomPicker
from .templates import RenderTemplatedICL
from .schema import ToUnitxtGroup
from typing import Union
class CommonRecipe(Recipe, SourceOperator):
card: TaskCard
demos_pool_name: str = "demos_pool"
demos_pool_size: int = None
demos_field: str = "demos"
num_demos: int = None
sampler_type: str = "random"
instruction_item: Union[str, int] = None
template_item: Union[str, int] = None
def verify(self):
self.sampler_type in ["random"]
def prepare(self):
steps = [
self.card.loader,
]
if self.card.preprocess_steps is not None:
steps.extend(self.card.preprocess_steps)
steps.append(self.card.task)
if self.demos_pool_size is not None:
steps.append(
SliceSplit(
slices={
self.demos_pool_name: f"train[:{int(self.demos_pool_size)}]",
"train": f"train[{int(self.demos_pool_size)}:]",
"validation": "validation",
"test": "test",
}
)
)
if self.num_demos is not None:
if self.sampler_type == "random":
sampler = RandomSampler(sample_size=int(self.num_demos))
steps.append(
SpreadSplit(
source_stream=self.demos_pool_name,
target_field=self.demos_field,
sampler=sampler,
)
)
if self.card.instructions is not None:
if self.instruction_item is None:
picker = ItemPicker(self.instruction_item)
else:
picker = RandomPicker()
instruction = picker(self.card.instructions)
else:
instruction = None
if self.card.templates is not None:
if self.template_item is None:
picker = ItemPicker(self.template_item)
else:
picker = RandomPicker()
template = picker(self.card.templates)
else:
template = None
render = RenderTemplatedICL(
instruction=instruction,
template=template,
demos_field=self.demos_field,
)
steps.append(render)
postprocessors = render.get_postprocessors()
steps.append(
ToUnitxtGroup(
group="unitxt",
metrics=self.card.task.metrics,
postprocessors=postprocessors,
)
)
self.recipe = SequentialRecipe(steps)
def process(self) -> MultiStream:
return self.recipe()
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