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51 lines
1.4 KiB
Python
51 lines
1.4 KiB
Python
from __future__ import annotations
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import json
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from typing import Any, Optional
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def summarize_response_json(obj: dict, items_sample_size: int) -> dict:
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"""
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将 {data:{items,page}} 结构中的 items 做摘要：保留数量与前 N 条示例。
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其他结构原样返回。
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"""
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try:
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if isinstance(obj, dict) and isinstance(obj.get("data"), dict):
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data = obj["data"]
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if isinstance(data.get("items"), list):
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items = data["items"]
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return {
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**obj,
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"data": {
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**data,
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"items": {
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"count": len(items),
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"sample": items[:items_sample_size],
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},
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},
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}
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return obj
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except Exception:
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return obj
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def safe_json_dumps(value: Any, ensure_ascii: bool = False, max_chars: Optional[int] = None) -> str:
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"""
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安全转字符串：优先 JSON 编码，不可编码时退回 str()；可选截断。
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"""
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try:
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text = json.dumps(value, ensure_ascii=ensure_ascii)
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except Exception:
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text = str(value)
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if max_chars is not None and max_chars > 0:
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return text[:max_chars]
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return text
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def truncate_text(text: Optional[str], max_chars: int) -> str:
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if not text:
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return ""
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return text[:max_chars]
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