83 lines
3.1 KiB
Python
83 lines
3.1 KiB
Python
#!/usr/bin/env python
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# coding=utf-8
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# Copyright 2023 The HuggingFace Inc. team. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import json
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import re
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from typing import Tuple, Dict
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from transformers.utils.import_utils import _is_package_available
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_pygments_available = _is_package_available("pygments")
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def is_pygments_available():
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return _pygments_available
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from rich.console import Console
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console = Console()
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def parse_json_blob(json_blob: str) -> Dict[str, str]:
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try:
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first_accolade_index = json_blob.find("{")
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last_accolade_index = [a.start() for a in list(re.finditer("}", json_blob))][-1]
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json_blob = json_blob[first_accolade_index : last_accolade_index + 1].replace('\\"', "'")
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json_data = json.loads(json_blob, strict=False)
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return json_data
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except json.JSONDecodeError as e:
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place = e.pos
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if json_blob[place - 1 : place + 2] == "},\n":
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raise ValueError(
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"JSON is invalid: you probably tried to provide multiple tool calls in one action. PROVIDE ONLY ONE TOOL CALL."
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)
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raise ValueError(
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f"The JSON blob you used is invalid due to the following error: {e}.\n"
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f"JSON blob was: {json_blob}, decoding failed on that specific part of the blob:\n"
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f"'{json_blob[place-4:place+5]}'."
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)
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except Exception as e:
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raise ValueError(f"Error in parsing the JSON blob: {e}")
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def parse_code_blob(code_blob: str) -> str:
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try:
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pattern = r"```(?:py|python)?\n(.*?)\n```"
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match = re.search(pattern, code_blob, re.DOTALL)
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return match.group(1).strip()
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except Exception as e:
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raise ValueError(
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f"""
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The code blob you used is invalid: due to the following error: {e}
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This means that the regex pattern {pattern} was not respected: make sure to include code with the correct pattern, for instance:
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Thoughts: Your thoughts
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Code:
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```py
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# Your python code here
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```<end_action>"""
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)
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def parse_json_tool_call(json_blob: str) -> Tuple[str, Dict[str, str]]:
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json_blob = json_blob.replace("```json", "").replace("```", "")
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tool_call = parse_json_blob(json_blob)
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if "action" in tool_call and "action_input" in tool_call:
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return tool_call["action"], tool_call["action_input"]
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elif "action" in tool_call:
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return tool_call["action"], None
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else:
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missing_keys = [key for key in ['action', 'action_input'] if key not in tool_call]
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error_msg = f"Missing keys: {missing_keys} in blob {tool_call}"
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console.print(f"[bold red]{error_msg}[/bold red]")
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raise ValueError(error_msg) |