74 lines
2.8 KiB
Python
74 lines
2.8 KiB
Python
"""
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JSON renderer for report generation.
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"""
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from .base_renderer import BaseRenderer
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from typing import Dict, Any, Tuple, List
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import json
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class JsonRenderer(BaseRenderer):
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"""Renders content to JSON format with format-specific extraction."""
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@classmethod
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def get_supported_formats(cls) -> List[str]:
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"""Return supported JSON formats."""
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return ['json']
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@classmethod
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def get_format_aliases(cls) -> List[str]:
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"""Return format aliases."""
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return ['data']
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@classmethod
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def get_priority(cls) -> int:
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"""Return priority for JSON renderer."""
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return 80
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def getExtractionPrompt(self, user_prompt: str, title: str) -> str:
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"""Return only JSON-specific guidelines; global prompt is built centrally."""
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return (
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"JSON FORMAT GUIDELINES:\n"
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"- Output ONLY a single valid JSON object (no fences, no pre/post text).\n"
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"- Choose a structure that best fits the user's intent; include a top-level title and data.\n"
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"- Prefer arrays/objects that map cleanly to the extracted facts.\n"
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"- Include minimal metadata only if useful (e.g., generatedAt, sources).\n"
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"OUTPUT: Return ONLY valid, parseable JSON."
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)
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async def render(self, extracted_content: str, title: str) -> Tuple[str, str]:
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"""Render extracted content to JSON format."""
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try:
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# The extracted content should already be JSON from the AI
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# Just validate and format it
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json_content = self._clean_json_content(extracted_content, title)
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return json_content, "application/json"
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except Exception as e:
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self.logger.error(f"Error rendering JSON: {str(e)}")
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# Return minimal JSON fallback
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fallback_data = {
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"title": title,
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"sections": [{"type": "text", "content": f"Error rendering report: {str(e)}"}],
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"metadata": {"error": str(e)}
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}
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return json.dumps(fallback_data, indent=2), "application/json"
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def _clean_json_content(self, content: str, title: str) -> str:
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"""Clean and validate JSON content from AI."""
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content = content.strip()
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# Remove markdown code blocks if present
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if content.startswith("```") and content.endswith("```"):
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lines = content.split('\n')
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if len(lines) > 2:
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content = '\n'.join(lines[1:-1]).strip()
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# Validate JSON
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try:
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parsed = json.loads(content)
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# Re-format with proper indentation
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return json.dumps(parsed, indent=2, ensure_ascii=False)
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except json.JSONDecodeError:
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# If not valid JSON, return as-is
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return content
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