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the-nexus/bin/memory_mine.py
Alexander Whitestone 9ebe957bb4
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feat: cross-session agent memory via MemPalace (#1477)
Merge PR #1477
2026-04-14 22:11:51 +00:00

259 lines
7.1 KiB
Python

#!/usr/bin/env python3
"""
memory_mine.py — Mine session transcripts into MemPalace.
Reads Hermes session logs (JSONL format) and stores summaries
in the palace. Supports batch mining, single-file processing,
and live directory watching.
Usage:
# Mine a single session file
python3 bin/memory_mine.py ~/.hermes/sessions/2026-04-13.jsonl
# Mine all sessions from last 7 days
python3 bin/memory_mine.py --days 7
# Mine a specific wing's sessions
python3 bin/memory_mine.py --wing wing_bezalel --days 14
# Dry run — show what would be mined
python3 bin/memory_mine.py --dry-run --days 7
"""
from __future__ import annotations
import argparse
import json
import logging
import os
import sys
import time
from datetime import datetime, timedelta, timezone
from pathlib import Path
from typing import Optional
logging.basicConfig(
level=logging.INFO,
format="%(asctime)s [%(levelname)s] %(message)s",
datefmt="%Y-%m-%d %H:%M:%S",
)
logger = logging.getLogger("memory-mine")
REPO_ROOT = Path(__file__).resolve().parent.parent
if str(REPO_ROOT) not in sys.path:
sys.path.insert(0, str(REPO_ROOT))
def parse_session_file(path: Path) -> list[dict]:
"""
Parse a JSONL session file into turns.
Each line is expected to be a JSON object with:
- role: "user" | "assistant" | "system" | "tool"
- content: text
- timestamp: ISO string (optional)
"""
turns = []
with open(path) as f:
for i, line in enumerate(f):
line = line.strip()
if not line:
continue
try:
turn = json.loads(line)
turns.append(turn)
except json.JSONDecodeError:
logger.debug(f"Skipping malformed line {i+1} in {path}")
return turns
def summarize_session(turns: list[dict], agent_name: str = "unknown") -> str:
"""
Generate a compact summary of a session's turns.
Keeps user messages and key agent responses, strips noise.
"""
if not turns:
return "Empty session."
user_msgs = []
agent_msgs = []
tool_calls = []
for turn in turns:
role = turn.get("role", "")
content = str(turn.get("content", ""))[:300]
if role == "user":
user_msgs.append(content)
elif role == "assistant":
agent_msgs.append(content)
elif role == "tool":
tool_name = turn.get("name", turn.get("tool", "unknown"))
tool_calls.append(f"{tool_name}: {content[:150]}")
parts = [f"Session by {agent_name}:"]
if user_msgs:
parts.append(f"\nUser asked ({len(user_msgs)} messages):")
for msg in user_msgs[:5]:
parts.append(f" - {msg[:200]}")
if len(user_msgs) > 5:
parts.append(f" ... and {len(user_msgs) - 5} more")
if agent_msgs:
parts.append(f"\nAgent responded ({len(agent_msgs)} messages):")
for msg in agent_msgs[:3]:
parts.append(f" - {msg[:200]}")
if tool_calls:
parts.append(f"\nTools used ({len(tool_calls)} calls):")
for tc in tool_calls[:5]:
parts.append(f" - {tc}")
return "\n".join(parts)
def mine_session(
path: Path,
wing: str,
palace_path: Optional[Path] = None,
dry_run: bool = False,
) -> Optional[str]:
"""
Mine a single session file into MemPalace.
Returns the document ID if stored, None on failure or dry run.
"""
try:
from agent.memory import AgentMemory
except ImportError:
logger.error("Cannot import agent.memory — is the repo in PYTHONPATH?")
return None
turns = parse_session_file(path)
if not turns:
logger.debug(f"Empty session file: {path}")
return None
agent_name = wing.replace("wing_", "")
summary = summarize_session(turns, agent_name)
if dry_run:
print(f"\n--- {path.name} ---")
print(summary[:500])
print(f"({len(turns)} turns)")
return None
mem = AgentMemory(agent_name=agent_name, wing=wing, palace_path=palace_path)
doc_id = mem.remember(
summary,
room="hermes",
source_file=str(path),
metadata={
"type": "mined_session",
"source": str(path),
"turn_count": len(turns),
"agent": agent_name,
"timestamp": datetime.now(timezone.utc).isoformat(),
},
)
if doc_id:
logger.info(f"Mined {path.name}{doc_id} ({len(turns)} turns)")
else:
logger.warning(f"Failed to mine {path.name}")
return doc_id
def find_session_files(
sessions_dir: Path,
days: int = 7,
pattern: str = "*.jsonl",
) -> list[Path]:
"""
Find session files from the last N days.
"""
cutoff = datetime.now() - timedelta(days=days)
files = []
if not sessions_dir.exists():
logger.warning(f"Sessions directory not found: {sessions_dir}")
return files
for path in sorted(sessions_dir.glob(pattern)):
# Use file modification time as proxy for session date
mtime = datetime.fromtimestamp(path.stat().st_mtime)
if mtime >= cutoff:
files.append(path)
return files
def main(argv: list[str] | None = None) -> int:
parser = argparse.ArgumentParser(
description="Mine session transcripts into MemPalace"
)
parser.add_argument(
"files", nargs="*", help="Session files to mine (JSONL format)"
)
parser.add_argument(
"--days", type=int, default=7,
help="Mine sessions from last N days (default: 7)"
)
parser.add_argument(
"--sessions-dir",
default=str(Path.home() / ".hermes" / "sessions"),
help="Directory containing session JSONL files"
)
parser.add_argument(
"--wing", default=None,
help="Wing name (default: auto-detect from MEMPALACE_WING env or 'wing_timmy')"
)
parser.add_argument(
"--palace-path", default=None,
help="Override palace path"
)
parser.add_argument(
"--dry-run", action="store_true",
help="Show what would be mined without storing"
)
args = parser.parse_args(argv)
wing = args.wing or os.environ.get("MEMPALACE_WING", "wing_timmy")
palace_path = Path(args.palace_path) if args.palace_path else None
if args.files:
files = [Path(f) for f in args.files]
else:
sessions_dir = Path(args.sessions_dir)
files = find_session_files(sessions_dir, days=args.days)
if not files:
logger.info("No session files found to mine.")
return 0
logger.info(f"Mining {len(files)} session files (wing={wing})")
mined = 0
failed = 0
for path in files:
result = mine_session(path, wing=wing, palace_path=palace_path, dry_run=args.dry_run)
if result:
mined += 1
elif result is None and not args.dry_run:
failed += 1
if args.dry_run:
logger.info(f"Dry run complete — {len(files)} files would be mined")
else:
logger.info(f"Mining complete — {mined} mined, {failed} failed")
return 0
if __name__ == "__main__":
sys.exit(main())