ReMe/reme/steps/evolve/_evolve.py
2026-06-22 15:41:19 +08:00

29 lines
972 B
Python

"""Shared helpers for evolve steps."""
import datetime
import zoneinfo
from agentscope.message import Msg
def now(timezone: str | None = None) -> datetime.datetime:
"""Return current datetime in the given IANA timezone, falling back to local."""
if not timezone:
return datetime.datetime.now()
try:
return datetime.datetime.now(zoneinfo.ZoneInfo(timezone))
except Exception:
return datetime.datetime.now()
def format_history(messages: list[Msg], include_timestamp: bool = True) -> str:
"""Render a conversation slice as a human-readable transcript."""
lines: list[str] = []
for msg in messages:
text = (msg.get_text_content() or "").strip()
if not text:
continue
speaker = msg.name or msg.role or "?"
header = f"[{speaker} @ {msg.created_at}]" if include_timestamp else f"[{speaker}]"
lines.append(f"{header}\n{text}")
return "\n\n".join(lines) or "(empty)"