Function parse_json_response

explainshell/extraction/llm/response.py:36–63

Strip markdown fences, find outermost {…}, parse JSON.

(content: str)

def parse_json_response(content: str) -> dict:
    """Strip markdown fences, find outermost {…}, parse JSON."""
    content = re.sub(r"^```[^\n]*\n?", "", content.strip())
    content = re.sub(r"\n?```$", "", content.strip())

    start = content.find("{")
    end = content.rfind("}")
    if start == -1 or end == -1 or end <= start:
        raise ExtractionError(
            f"No JSON object found in LLM response: {content[:200]!r}",
            raw_response=content,
            reason_class=FailureReason.INVALID_RESPONSE,
        )

    raw = content[start : end + 1]
    try:
        return json.loads(raw)
    except json.JSONDecodeError:
        pass

    try:
        return json.loads(fix_invalid_escapes(raw))
    except json.JSONDecodeError as e:
        raise ExtractionError(
            f"Invalid JSON from LLM: {e}",
            raw_response=content,
            reason_class=FailureReason.INVALID_JSON,
        ) from e


def validate_llm_response(data: dict) -> None: