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52 lines
1.4 KiB
52 lines
1.4 KiB
import json
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import re
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from abc import abstractmethod
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from typing import Dict, NamedTuple
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class AgentAction(NamedTuple):
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"""Action returned by AgentOutputParser."""
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name: str
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args: Dict
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class BaseAgentOutputParser:
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"""Base Output parser for Agent."""
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@abstractmethod
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def parse(self, text: str) -> AgentAction:
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"""Return AgentAction"""
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class AgentOutputParser(BaseAgentOutputParser):
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"""Output parser for Agent."""
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@staticmethod
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def _preprocess_json_input(input_str: str) -> str:
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corrected_str = re.sub(
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r'(?<!\\)\\(?!["\\/bfnrt]|u[0-9a-fA-F]{4})', r"\\\\", input_str
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)
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return corrected_str
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def _parse_json(self, text: str) -> dict:
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try:
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parsed = json.loads(text, strict=False)
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except json.JSONDecodeError:
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preprocessed_text = self._preprocess_json_input(text)
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parsed = json.loads(preprocessed_text, strict=False)
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return parsed
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def parse(self, text: str) -> AgentAction:
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try:
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parsed = self._parse_json(text)
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return AgentAction(
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name=parsed["command"]["name"],
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args=parsed["command"]["args"],
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)
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except (KeyError, TypeError, json.JSONDecodeError) as e:
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return AgentAction(
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name="ERROR",
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args={"error": f"Error in parsing: {e}"},
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)
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