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101 lines
3.3 KiB
Python
101 lines
3.3 KiB
Python
import os
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import asyncio
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from typing import List, Optional, Tuple
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import wandb
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from datasets import load_dataset
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from atroposlib.envs.base import (
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APIServerConfig,
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BaseEnv,
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BaseEnvConfig,
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ScoredDataGroup,
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)
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from atroposlib.utils.tokenize_for_trainer import tokenize_for_trainer
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class HumorEnvConfig(BaseEnvConfig):
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data_path: str = "environments/hack0/humor_dataset.jsonl"
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class HumorEnv(BaseEnv):
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env_config_cls = HumorEnvConfig
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name = "humor"
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@classmethod
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def config_init(cls) -> Tuple[HumorEnvConfig, List[APIServerConfig]]:
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env_config = cls.env_config_cls(
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tokenizer_name="NousResearch/DeepHermes-3-Llama-3-8B-Preview",
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group_size=2,
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use_wandb=True,
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rollout_server_url="http://localhost:8000",
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total_steps=1000,
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batch_size=1024,
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steps_per_eval=100,
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max_token_length=2048,
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wandb_name="humor",
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)
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server_configs = [
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APIServerConfig(
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model_name="gpt-4o-mini",
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base_url=None,
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api_key=os.environ.get("OPENAI_API_KEY"),
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num_requests_for_eval=256,
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)
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]
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return env_config, server_configs
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async def setup(self):
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ds = load_dataset("json", data_files=self.config.data_path, split="train")
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self.train = ds
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self.iter = 0
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async def get_next_item(self) -> Tuple[dict]:
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record = self.train[self.iter % len(self.train)]
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self.iter += 1
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return (record,)
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async def collect_trajectories(self, item) -> Tuple[ScoredDataGroup, List]:
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record = item[0]
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prompt = record["question"]
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chat_completions = await self.server.chat_completion(
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messages=[{"role": "user", "content": prompt}],
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n=self.config.group_size,
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max_tokens=self.config.max_token_length,
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)
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to_score = []
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for choice in chat_completions.choices:
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messages = [
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{"role": "user", "content": prompt},
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{"role": "assistant", "content": choice.message.content},
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]
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to_score.append((tuple(messages), choice.finish_reason))
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scored = await self.score(to_score)
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return scored, []
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async def score(self, rollout_group_data: List) -> Optional[ScoredDataGroup]:
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scores = ScoredDataGroup(tokens=[], masks=[], scores=[])
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for (messages, _), idx in zip(rollout_group_data, range(len(rollout_group_data))):
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expected = self.train[idx % len(self.train)]["response"].strip()
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output = messages[-1]["content"].strip()
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score_val = 1.0 if output == expected else 0.0
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out = tokenize_for_trainer(self.tokenizer, list(messages))
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scores["tokens"].append(out["tokens"])
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scores["masks"].append(out["masks"])
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scores["scores"].append(score_val)
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return scores
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async def wandb_log(self, wandb_metrics: Optional[dict] = None):
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await super().wandb_log(wandb_metrics)
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async def evaluate(self, *args, **kwargs):
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# No-op evaluation; required by BaseEnv abstract interface
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return None
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if __name__ == "__main__":
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import sys
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# default to 'serve' if no subcommand provided
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if len(sys.argv) == 1:
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sys.argv.append("serve")
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HumorEnv.cli()
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