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https://github.com/GNS3/gns3-server.git
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01d24403d3
Add error_handler utility to detect and format HTML error responses from misconfigured API base URLs. When the API returns HTML (indicating configuration issues), users now see a helpful message instead of raw HTML content.
87 lines
2.5 KiB
Python
87 lines
2.5 KiB
Python
# SPDX-License-Identifier: GPL-3.0-or-later
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#
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# GNS3-Copilot - AI-powered Network Lab Assistant for GNS3
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#
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# This file is part of GNS3-Copilot project.
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#
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# GNS3-Copilot is free software: you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the
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# Free Software Foundation, either version 3 of the License, or (at your
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# option) any later version.
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#
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# GNS3-Copilot is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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# for more details.
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#
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# You should have have received a copy of the GNU General Public License
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# along with GNS3-Copilot. If not, see <https://www.gnu.org/licenses/>.
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#
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# Copyright (C) 2025 Yue Guobin (岳国宾)
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# Author: Yue Guobin (岳国宾)
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#
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# Project Home: https://github.com/yueguobin/gns3-copilot
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#
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"""
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Error Handler for GNS3-Copilot Agent
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This module provides utilities for formatting and handling errors from
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the LLM API client layer (LangChain), particularly HTTP errors that
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may return HTML or other unhelpful content.
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"""
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import logging
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import re
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logger = logging.getLogger(__name__)
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# Patterns to detect HTML in error messages
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HTML_PATTERNS = [
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r"<!DOCTYPE html",
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r"<html",
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r"<head>",
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r"<body",
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r"<div",
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]
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def format_error_message(error: Exception) -> str:
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"""
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Format an error message for user display, cleaning up HTML and
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extracting meaningful error information.
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Args:
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error: The exception to format
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Returns:
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A formatted, user-friendly error message
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"""
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error_str = str(error)
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# Check if error message contains HTML
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if _contains_html(error_str):
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logger.warning(
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"Detected HTML in error message, likely due to incorrect API "
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"configuration or base URL"
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)
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return (
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"API request failed. The error response indicates an issue with "
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"your API configuration. Please check:\n"
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"1. Base URL is correct (e.g., https://api.openai.com/v1 for OpenAI)\n"
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"2. API key is valid\n"
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"3. Provider is correctly configured"
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)
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# For other errors, return the original message
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return error_str
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def _contains_html(text: str) -> bool:
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"""Check if text contains HTML tags."""
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text_lower = text.lower()
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for pattern in HTML_PATTERNS:
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if re.search(pattern, text_lower, re.IGNORECASE):
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return True
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return False
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