mirror of
https://github.com/NousResearch/hermes-agent.git
synced 2026-07-09 13:21:42 +00:00
317 lines
11 KiB
Python
317 lines
11 KiB
Python
"""Shared renderers for session export commands.
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The CLI, dashboard, and slash-command surfaces all deal with the same
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session-shaped data: a session dict with a ``messages`` list. Keep filtering
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and human-readable rendering here so each surface only has to load sessions
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and write bytes.
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"""
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from __future__ import annotations
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from datetime import datetime, timezone
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from html import escape as html_escape
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import json
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from typing import Any, Dict, Iterable, Iterator, List, Literal, Optional, Tuple
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ExportFormat = Literal["jsonl", "markdown"]
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ExportOnly = Literal["user-prompts"]
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def normalize_export_format(fmt: str) -> ExportFormat:
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"""Return the canonical export format name."""
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value = (fmt or "jsonl").strip().lower()
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if value == "md":
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value = "markdown"
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if value not in {"jsonl", "markdown"}:
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raise ValueError(f"Unsupported session export format: {fmt}")
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return value # type: ignore[return-value]
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def normalize_export_only(only: Optional[str]) -> Optional[ExportOnly]:
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"""Return the canonical export filter name."""
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if only is None:
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return None
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value = only.strip().lower()
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if value in {"user", "prompts", "user-prompts", "user_prompts"}:
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return "user-prompts"
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raise ValueError(f"Unsupported session export filter: {only}")
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def render_sessions_export(
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sessions: Iterable[Dict[str, Any]],
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*,
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fmt: str = "jsonl",
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only: Optional[str] = None,
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) -> str:
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"""Render exported sessions in a stable, reusable format.
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``fmt=jsonl`` with no filter intentionally preserves the legacy shape:
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one full session object per line. ``only=user-prompts`` switches the unit
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of export to one prompt record per line so the output is easy to pipe into
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review, memory-ingestion, or prompt-library tooling.
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"""
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session_list = list(sessions)
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export_format = normalize_export_format(fmt)
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export_only = normalize_export_only(only)
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if export_format == "jsonl":
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return _render_jsonl(session_list, only=export_only)
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return _render_markdown(session_list, only=export_only)
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def export_record_count(
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sessions: Iterable[Dict[str, Any]], *, only: Optional[str] = None
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) -> Tuple[int, str]:
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"""Return ``(count, noun)`` for status messages after an export."""
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session_list = list(sessions)
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export_only = normalize_export_only(only)
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if export_only == "user-prompts":
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return sum(1 for _ in iter_user_prompt_records(session_list)), "prompt"
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return len(session_list), "session"
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def iter_user_prompt_records(
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sessions: Iterable[Dict[str, Any]]
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) -> Iterator[Dict[str, Any]]:
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"""Yield one normalized record for each user-authored prompt."""
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for session in sessions:
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session_id = str(session.get("id") or session.get("session_id") or "")
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index = 0
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for message in _messages(session):
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if message.get("role") != "user":
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continue
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index += 1
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record: Dict[str, Any] = {
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"session_id": session_id,
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"index": index,
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"created_at": _format_timestamp(message.get("timestamp")),
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"role": "user",
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"text": _message_text(message.get("content")),
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}
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message_id = message.get("id")
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if message_id is not None:
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record["message_id"] = message_id
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event_id = message.get("platform_message_id") or message.get("event_id")
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if event_id:
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record["event_id"] = event_id
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yield record
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def _render_jsonl(
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sessions: List[Dict[str, Any]], *, only: Optional[ExportOnly]
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) -> str:
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if only == "user-prompts":
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rows = iter_user_prompt_records(sessions)
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else:
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rows = iter(sessions)
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lines = [json.dumps(row, ensure_ascii=False) for row in rows]
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return ("\n".join(lines) + "\n") if lines else ""
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def _render_markdown(
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sessions: List[Dict[str, Any]], *, only: Optional[ExportOnly]
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) -> str:
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if only == "user-prompts":
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return _render_user_prompts_markdown(sessions)
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return _render_full_markdown(sessions)
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def _render_user_prompts_markdown(sessions: List[Dict[str, Any]]) -> str:
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lines: List[str] = []
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if len(sessions) == 1:
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session = sessions[0]
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lines.append(f"# User prompts for session {_heading_text(_session_id(session))}")
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lines.extend(_session_metadata_lines(session))
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lines.append("")
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_append_prompt_records(lines, session, heading_level=2)
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else:
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lines.append("# User prompts export")
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lines.append("")
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for session in sessions:
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lines.append(f"## Session {_heading_text(_session_id(session))}")
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lines.extend(_session_metadata_lines(session))
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lines.append("")
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_append_prompt_records(lines, session, heading_level=3)
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if not sessions:
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lines.append("_No user prompts found._")
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lines.append("")
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return _finish_markdown(lines)
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def _append_prompt_records(
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lines: List[str], session: Dict[str, Any], *, heading_level: int
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) -> None:
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prompts = list(iter_user_prompt_records([session]))
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if not prompts:
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lines.append("_No user prompts found._")
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lines.append("")
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return
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marker = "#" * heading_level
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for prompt in prompts:
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timestamp = prompt.get("created_at") or "timestamp unavailable"
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lines.append(f"{marker} {prompt['index']}. {timestamp}")
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message_id = prompt.get("message_id")
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if message_id is not None:
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lines.append(f"Message ID: `{message_id}`")
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lines.append("")
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lines.append(str(prompt.get("text") or ""))
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lines.append("")
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def _render_full_markdown(sessions: List[Dict[str, Any]]) -> str:
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lines: List[str] = []
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if len(sessions) == 1:
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session = sessions[0]
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lines.append(f"# Session: {_heading_text(_session_title_or_id(session))}")
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lines.extend(_session_metadata_lines(session))
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lines.append("")
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_append_session_messages(lines, session, heading_level=2)
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else:
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lines.append("# Hermes sessions export")
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lines.append("")
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for session in sessions:
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lines.append(f"## Session: {_heading_text(_session_title_or_id(session))}")
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lines.extend(_session_metadata_lines(session))
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lines.append("")
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_append_session_messages(lines, session, heading_level=3)
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return _finish_markdown(lines)
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def _append_session_messages(
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lines: List[str], session: Dict[str, Any], *, heading_level: int
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) -> None:
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marker = "#" * heading_level
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visible_messages = [
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message for message in _messages(session) if message.get("role") != "system"
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]
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if not visible_messages:
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lines.append("_No messages found._")
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lines.append("")
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return
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for message in visible_messages:
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role = str(message.get("role") or "unknown")
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timestamp = _format_timestamp(message.get("timestamp"))
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suffix = f" - {timestamp}" if timestamp else ""
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if role == "tool":
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tool_name = str(message.get("tool_name") or message.get("name") or "tool")
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lines.append(f"{marker} Tool: {_heading_text(tool_name)}{suffix}")
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lines.append("")
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lines.append(f"<details><summary>{html_escape(tool_name)}</summary>")
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lines.append("")
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lines.append(_fenced_text(_message_text(message.get("content"))))
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lines.append("")
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lines.append("</details>")
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lines.append("")
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continue
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label = {
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"user": "User",
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"assistant": "Assistant",
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}.get(role, role.title())
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lines.append(f"{marker} {label}{suffix}")
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lines.append("")
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lines.append(_message_text(message.get("content")))
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lines.append("")
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def _messages(session: Dict[str, Any]) -> List[Dict[str, Any]]:
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messages = session.get("messages") or []
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return [message for message in messages if isinstance(message, dict)]
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def _message_text(content: Any) -> str:
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if content is None:
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return ""
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if isinstance(content, str):
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return content
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if isinstance(content, list):
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parts = [_content_part_text(part) for part in content]
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return "\n".join(part for part in parts if part)
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if isinstance(content, dict):
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for key in ("text", "content"):
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value = content.get(key)
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if isinstance(value, str):
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return value
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return json.dumps(content, ensure_ascii=False, sort_keys=True)
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return str(content)
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def _content_part_text(part: Any) -> str:
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if isinstance(part, str):
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return part
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if isinstance(part, dict):
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for key in ("text", "content"):
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value = part.get(key)
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if isinstance(value, str):
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return value
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return json.dumps(part, ensure_ascii=False, sort_keys=True)
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return str(part)
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def _format_timestamp(value: Any) -> Optional[str]:
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if value is None:
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return None
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if isinstance(value, (int, float)):
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return (
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datetime.fromtimestamp(float(value), tz=timezone.utc)
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.isoformat(timespec="seconds")
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.replace("+00:00", "Z")
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)
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if isinstance(value, datetime):
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dt = value if value.tzinfo else value.replace(tzinfo=timezone.utc)
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return dt.astimezone(timezone.utc).isoformat(timespec="seconds").replace(
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"+00:00", "Z"
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)
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return str(value)
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def _session_metadata_lines(session: Dict[str, Any]) -> List[str]:
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lines: List[str] = [f"- Session ID: `{_session_id(session)}`"]
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source = session.get("source")
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if source:
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lines.append(f"- Source: `{source}`")
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model = session.get("model")
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if model:
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lines.append(f"- Model: `{model}`")
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title = session.get("title")
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if title:
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lines.append(f"- Title: {_inline_text(str(title))}")
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started = _format_timestamp(session.get("started_at"))
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if started:
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lines.append(f"- Started: {started}")
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message_count = session.get("message_count")
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if message_count is not None:
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lines.append(f"- Messages: {message_count}")
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return lines
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def _session_id(session: Dict[str, Any]) -> str:
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return str(session.get("id") or session.get("session_id") or "unknown")
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def _session_title_or_id(session: Dict[str, Any]) -> str:
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title = str(session.get("title") or "").strip()
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return title or _session_id(session)
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def _heading_text(value: str) -> str:
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return " ".join(str(value).splitlines()).strip() or "unknown"
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def _inline_text(value: str) -> str:
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return " ".join(value.splitlines()).strip()
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def _fenced_text(text: str, *, language: str = "text") -> str:
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fence = "```"
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while fence in text:
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fence += "`"
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return f"{fence}{language}\n{text}\n{fence}"
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def _finish_markdown(lines: List[str]) -> str:
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while lines and lines[-1] == "":
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lines.pop()
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return "\n".join(lines) + "\n"
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