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import openai
from .misc import history_to_str
from langchain.chat_models import AzureChatOpenAI, ChatOpenAI
from langchain.prompts.chat import (
PromptTemplate,
ChatPromptTemplate,
SystemMessagePromptTemplate,
HumanMessagePromptTemplate,
)
from langchain.prompts.few_shot import FewShotPromptTemplate
from langchain import LLMChain
from loguru import logger
from langchain.callbacks import FileCallbackHandler
from langchain.callbacks import get_openai_callback
from .act import NaiveAct
from .utils import run_chain
class SelfAskAct(NaiveAct):
def __init__(self, action_space, args, prompts, distiller, temperature=0.1, max_tokens=None, logger=None):
super().__init__(action_space, args, prompts, distiller, temperature, max_tokens,logger)
def act(
self,
state_description,
action_description,
env_info,
game_description,
goal_description,
logfile=None,
):
self.action_description = action_description
self._add_history_before_action(game_description, goal_description, state_description)
if self.args.api_type == "azure":
chat = AzureChatOpenAI(
openai_api_type=openai.api_type,
openai_api_version=openai.api_version,
openai_api_base=openai.api_base,
openai_api_key=openai.api_key,
deployment_name=self.args.gpt_version,
temperature=self.temperature,
max_tokens=self.max_tokens
)
elif self.args.api_type == "openai":
chat = ChatOpenAI(temperature=self.temperature, openai_api_key=openai.api_key, model=self.args.gpt_version)
suffix_flag = False
reply_format_description = \
"Your response should choose an optimal action from a valid action list and terminate with the following format: "
# System Message
human_template = "Now, you are completing a challenging task. You must carefully understand the self-ask method you will use and apply it to the following task.\n"
# task-irrelevant SystemMessage
if self.irr_few_shot_examples:
human_template += 'In the following example, I shall present a set of question and answer with the self-ask method. Please adhere to the format and reasoning of the provided response when addressing the subsequent task.\n'
for i, examples in enumerate(self.irr_few_shot_examples):
human_template += f"\nExample {i+1}:\n"
human_template += "Question: \n" + examples['question'] + "\nAnswer: \n" + examples['answer']
# task-irrelevant few shot if have
if self.irr_few_shot_examples:
human_template += "\nMoving forward, I will describe the task, the goal, and the actions you may execute. Please pay close attention to comprehend the information presented below.\n"
if self.fewshot_example:
human_template += "I will describe the task, the goal, and the actions you may execute. Please pay close attention to comprehend the information presented below."
# print(fewshot_example_prompt.format(**fewshot_examples[0]))
human_template += '\nTask Description: {game_description} \n'
human_template += 'Goal Description: {goal_description}\n'
human_template += 'Actions Description: {action_description}\n'
if self.fewshot_example:
human_template += "Here, I will provide you with some guidance to help you better understand the rules of the task. Next are some examples: "
for i, examples in enumerate(self.fewshot_example):
human_template += f"\nExample {i+1}:\n"
human_template += "Question: \n" + examples['question'] + "\nAnswer: \n" + examples['answer']
if self.prompt_level in [2, 3, 4]:
if self.memory:
human_template += '\nSubsequently, I will offer pertinent guidance or information about the task. Please utilize this instruction to accomplish the given task effectively.\n'
suffix_flag = True
if self.prompt_level == 2:
human_template += 'I have collected a few trajectories from a random policy, and the summaries are listed below.'
elif self.prompt_level == 3:
human_template += 'I have collected a few trajectories before, and the summaries are listed below.'
elif self.prompt_level == 4:
human_template += 'I have collected a few trajectories from an expert policy, and the summaries are listed below.'
human_template += self._read_mem() + "\n"
if self.use_short_mem:
if len(self.env_history) > 1:
if not suffix_flag:
human_template += '\nSubsequently, I will offer pertinent guidance or information about the task. Please utilize this instruction to accomplish the given task effectively.'
human_template += f"\nBelow are the latest {min(self.mem_num, len(self.env_history))} historical data entries:\n"
human_template += f"{self.env_history.get_histories(self.mem_num)}"
human_template += '\nNext is the observation that the agent gets:\nCurrent {state_description}\n'
human_template += 'Please select an action based on the current game state and the information you get. You must select the appropriate action from the given action descriptions and cannot refrain from taking action or performing any prohibited actions. Here is the action description below:\n{action_description}\n'
human_template += 'You must utilize a multi-turn dialogue approach, just as the format illustrated in the example above(like "Follow up" and "Intermediate answer"). And you need to write down the thought process during the self-ask process. Also, please keep in mind not to answer with any redundant and irrelevant content.\n'
human_template += "Finally, you also need to normalize your output according to the reply format description.\n"
human_template += 'Reply format description: {reply_format_description}{format_instructions}\n'
human_message_prompt = PromptTemplate(
template=human_template,
input_variables=[
'state_description', 'goal_description', 'game_description',
'action_description', 'reply_format_description'],
partial_variables={'format_instructions': self.parser.get_format_instructions()}
)
human_message_prompt = HumanMessagePromptTemplate(prompt=human_message_prompt)
chat_prompt = ChatPromptTemplate.from_messages([human_message_prompt])
if not self.logger:
logger.remove()
self.logger = logger.add(logfile, colorize=True, enqueue=True)
handler = FileCallbackHandler(logfile)
chain = LLMChain(
llm=chat, prompt=chat_prompt, callbacks=[handler], verbose=False)
with get_openai_callback() as cb:
response = run_chain(
chain,
game_description=game_description,
state_description=state_description,
goal_description=goal_description,
action_description=action_description,
reply_format_description=reply_format_description
)
total_tokens = cb.total_tokens
total_cost = cb.total_cost
action = self.parser.parse(response).action
text_prompt = chat_prompt.format_messages(
game_description=game_description,
state_description=state_description,
goal_description=goal_description,
action_description=action_description,
reply_format_description=reply_format_description
)
texts = ""
for text in text_prompt:
texts += text.content + "\n"
self._add_history_after_action(action)
self.logger.info(f'The GPT response is: {response}.')
self.logger.info(f'The optimal action is: {action}.')
if env_info.get('history'):
self.logger.info(f'History: {history_to_str(env_info["history"])}')
return action, texts, response, total_tokens, total_cost |