deer-flow/src/utils/json_utils.py

37 lines
1.1 KiB
Python

import logging
import json
import json_repair
logger = logging.getLogger(__name__)
def repair_json_output(content: str) -> str:
"""
Repair and normalize JSON output.
Args:
content (str): String content that may contain JSON
Returns:
str: Repaired JSON string, or original content if not JSON
"""
content = content.strip()
if content.startswith(("{", "[")) or "```json" in content or "```ts" in content:
try:
# If content is wrapped in ```json code block, extract the JSON part
if content.startswith("```json"):
content = content.removeprefix("```json")
if content.startswith("```ts"):
content = content.removeprefix("```ts")
if content.endswith("```"):
content = content.removesuffix("```")
# Try to repair and parse JSON
repaired_content = json_repair.loads(content)
return json.dumps(repaired_content, ensure_ascii=False)
except Exception as e:
logger.warning(f"JSON repair failed: {e}")
return content