feat: add prompt-only session export

This commit is contained in:
Xue Li 2026-07-03 04:06:23 -07:00 committed by Teknium
parent 9a322726ae
commit b598f8e69b
2 changed files with 626 additions and 0 deletions

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

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import json
import sys
from hermes_cli.session_export import export_record_count, render_sessions_export
def _sample_session():
return {
"id": "sess-123",
"source": "cli",
"model": "test/model",
"title": "Debug auth flow",
"started_at": 1700000000,
"message_count": 5,
"messages": [
{
"id": 1,
"role": "system",
"content": "hidden system context",
"timestamp": 1700000000,
},
{
"id": 2,
"role": "user",
"content": "Why is login broken?",
"timestamp": 1700000001,
"platform_message_id": "evt-2",
},
{
"id": 3,
"role": "assistant",
"content": "I will inspect the auth middleware.",
"timestamp": 1700000002,
},
{
"id": 4,
"role": "tool",
"tool_name": "read_file",
"content": "def redirect_after_login(): pass",
"timestamp": 1700000003,
},
{
"id": 5,
"role": "user",
"content": [{"type": "text", "text": "Only show me the prompts."}],
"timestamp": 1700000004,
},
],
}
def test_default_jsonl_preserves_full_session_shape():
session = _sample_session()
rendered = render_sessions_export([session])
assert [json.loads(line) for line in rendered.splitlines()] == [session]
def test_prompt_only_jsonl_emits_one_record_per_user_prompt():
rendered = render_sessions_export(
[_sample_session()],
only="user-prompts",
)
records = [json.loads(line) for line in rendered.splitlines()]
assert records == [
{
"session_id": "sess-123",
"index": 1,
"created_at": "2023-11-14T22:13:21Z",
"role": "user",
"text": "Why is login broken?",
"message_id": 2,
"event_id": "evt-2",
},
{
"session_id": "sess-123",
"index": 2,
"created_at": "2023-11-14T22:13:24Z",
"role": "user",
"text": "Only show me the prompts.",
"message_id": 5,
},
]
def test_prompt_only_markdown_excludes_assistant_tool_and_system_content():
rendered = render_sessions_export(
[_sample_session()],
fmt="markdown",
only="user-prompts",
)
assert "# User prompts for session sess-123" in rendered
assert "## 1. 2023-11-14T22:13:21Z" in rendered
assert "Why is login broken?" in rendered
assert "Only show me the prompts." in rendered
assert "I will inspect the auth middleware." not in rendered
assert "def redirect_after_login" not in rendered
assert "hidden system context" not in rendered
def test_full_markdown_renderer_collapses_tool_output_and_filters_system():
rendered = render_sessions_export([_sample_session()], fmt="markdown")
assert "# Session: Debug auth flow" in rendered
assert "## User - 2023-11-14T22:13:21Z" in rendered
assert "## Assistant - 2023-11-14T22:13:22Z" in rendered
assert "<details><summary>read_file</summary>" in rendered
assert "```text\ndef redirect_after_login(): pass\n```" in rendered
assert "hidden system context" not in rendered
def test_export_record_count_switches_unit_for_prompt_only_exports():
assert export_record_count([_sample_session()]) == (1, "session")
assert export_record_count([_sample_session()], only="user-prompts") == (
2,
"prompt",
)
def test_sessions_export_cli_prompt_only_stdout(monkeypatch, capsys):
import hermes_cli.main as main_mod
import hermes_state
captured = {}
class FakeDB:
def resolve_session_id(self, session_id):
captured["resolved_from"] = session_id
return "sess-123"
def export_session(self, session_id):
captured["exported"] = session_id
return _sample_session()
def close(self):
captured["closed"] = True
monkeypatch.setattr(hermes_state, "SessionDB", lambda: FakeDB())
monkeypatch.setattr(
sys,
"argv",
["hermes", "sessions", "export", "-", "--session-id", "sess", "--only", "user-prompts"],
)
main_mod.main()
output = capsys.readouterr().out
records = [json.loads(line) for line in output.splitlines()]
assert [record["text"] for record in records] == [
"Why is login broken?",
"Only show me the prompts.",
]
assert captured == {
"resolved_from": "sess",
"exported": "sess-123",
"closed": True,
}
def test_sessions_export_cli_prompt_only_markdown_file(monkeypatch, capsys, tmp_path):
import hermes_cli.main as main_mod
import hermes_state
class FakeDB:
def resolve_session_id(self, _session_id):
return "sess-123"
def export_session(self, _session_id):
return _sample_session()
def close(self):
pass
output_path = tmp_path / "prompts.md"
monkeypatch.setattr(hermes_state, "SessionDB", lambda: FakeDB())
monkeypatch.setattr(
sys,
"argv",
[
"hermes",
"sessions",
"export",
str(output_path),
"--session-id",
"sess",
"--format",
"markdown",
"--only",
"user-prompts",
],
)
main_mod.main()
assert f"Exported 2 prompts to {output_path}" in capsys.readouterr().out
content = output_path.read_text(encoding="utf-8")
assert "# User prompts for session sess-123" in content
assert "Why is login broken?" in content
assert "I will inspect the auth middleware." not in content
def test_sessions_export_rejects_full_session_markdown(monkeypatch, capsys):
import hermes_cli.main as main_mod
import hermes_state
class FakeDB:
def export_all(self, source=None):
return [_sample_session()]
def close(self):
pass
monkeypatch.setattr(hermes_state, "SessionDB", lambda: FakeDB())
monkeypatch.setattr(
sys,
"argv",
["hermes", "sessions", "export", "-", "--format", "markdown"],
)
main_mod.main()
assert (
"Error: --format markdown currently requires --only user-prompts."
in capsys.readouterr().out
)
def test_sessions_export_prompts_cli_stdout(monkeypatch, capsys):
import hermes_cli.main as main_mod
import hermes_state
captured = {}
class FakeDB:
def resolve_session_id(self, session_id):
captured["resolved_from"] = session_id
return "sess-123"
def export_session(self, session_id):
captured["exported"] = session_id
return _sample_session()
def close(self):
captured["closed"] = True
monkeypatch.setattr(hermes_state, "SessionDB", lambda: FakeDB())
monkeypatch.setattr(
sys,
"argv",
["hermes", "sessions", "export-prompts", "sess"],
)
main_mod.main()
output = capsys.readouterr().out
records = [json.loads(line) for line in output.splitlines()]
assert [record["text"] for record in records] == [
"Why is login broken?",
"Only show me the prompts.",
]
assert captured == {
"resolved_from": "sess",
"exported": "sess-123",
"closed": True,
}
def test_sessions_export_prompts_cli_markdown_file(monkeypatch, capsys, tmp_path):
import hermes_cli.main as main_mod
import hermes_state
class FakeDB:
def resolve_session_id(self, _session_id):
return "sess-123"
def export_session(self, _session_id):
return _sample_session()
def close(self):
pass
output_path = tmp_path / "prompts.md"
monkeypatch.setattr(hermes_state, "SessionDB", lambda: FakeDB())
monkeypatch.setattr(
sys,
"argv",
[
"hermes",
"sessions",
"export-prompts",
"sess",
"--format",
"md",
"--output",
str(output_path),
],
)
main_mod.main()
assert f"Exported 2 prompts to {output_path}" in capsys.readouterr().out
content = output_path.read_text(encoding="utf-8")
assert "# User prompts for session sess-123" in content
assert "Why is login broken?" in content
assert "I will inspect the auth middleware." not in content