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remove langchain parser.

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geekan 2023-07-13 00:42:53 +08:00
parent 0dfcee389e
commit bd9d6e9467
2 changed files with 0 additions and 53 deletions
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33
metagpt/utils/common.py
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@ -12,9 +12,6 @@ import re
from typing import Union, List, Tuple
from metagpt.logs import logger
from langchain.schema import AgentAction, AgentFinish, OutputParserException
FINAL_ANSWER_ACTION = "Final Answer:"
def check_cmd_exists(command) -> int:
@ -233,33 +230,3 @@ def print_members(module, indent=0):
print(f'{prefix}Function: {name}')
elif inspect.ismethod(obj):
print(f'{prefix}Method: {name}')
class BasicParser:
def parse(self, text: str) -> Union[AgentAction, AgentFinish]:
if FINAL_ANSWER_ACTION in text:
return AgentFinish(
{"output": text.split(FINAL_ANSWER_ACTION)[-1].strip()}, text
)
# \s matches against tab/newline/whitespace
regex = (
r"Action\s*\d*\s*:[\s]*(.*?)[\s]*Action\s*\d*\s*Input\s*\d*\s*:[\s]*(.*)"
)
match = re.search(regex, text, re.DOTALL)
if not match:
raise OutputParserException(f"Could not parse LLM output: `{text}`")
action = match.group(1).strip()
action_input = match.group(2)
return AgentAction(action, action_input.strip(" ").strip('"'), text)
if __name__ == '__main__':
parser = BasicParser()
action_sample = "I need to calculate the 0.23 power of Elon Musk's current age.\nAction: Calculator\nAction Input: 49 raised to the 0.23 power"
final_answer_sample = "I now know the answer to the question.\nFinal Answer: 2.447626228522259"
rsp = parser.parse(action_sample)
logger.info(rsp)
rsp = parser.parse(final_answer_sample)
logger.info(rsp)