Files
hermes-agent/plugins/memory/hindsight/settings.py

159 lines
6.1 KiB
Python

"""Hindsight plugin constants and pure config normalizers (no I/O, no origin imports)."""
from __future__ import annotations
import json
import logging
from typing import Any, List
# Log under the plugin package's own logger name (loader-path independent).
logger = logging.getLogger(__name__.rpartition(".")[0])
_DEFAULT_API_URL = "https://api.hindsight.vectorize.io"
_DEFAULT_LOCAL_URL = "http://localhost:8888"
# Keep in sync with tools/lazy_deps.py ("memory.hindsight") and plugin.yaml.
_MIN_CLIENT_VERSION = "0.6.1"
_DEFAULT_TIMEOUT = 120 # seconds — cloud API can take 30-40s per request
_DEFAULT_IDLE_TIMEOUT = 300 # seconds — Hindsight embedded daemon default
# ``metadata.source`` stamped on retained memories — OPT-IN, empty by default:
# AGENTS.md forbids on-by-default third-party attribution tags. Set via the
# ``retain_source`` config key or HINDSIGHT_RETAIN_SOURCE.
_DEFAULT_RETAIN_SOURCE = ""
# Hindsight brand mark (eye ringed by graph nodes) for the recall/retain indicators.
_HINDSIGHT_GLYPH = "👁️"
# Hindsight 0.5.0 added ``update_mode='append'`` on retain. Without it, reusing a
# stable session-scoped document_id silently overwrites prior turns server-side,
# so older APIs keep the per-process unique document_id fallback.
_MIN_VERSION_FOR_UPDATE_MODE_APPEND = "0.5.0"
_VALID_BUDGETS = {"low", "mid", "high"}
_PROVIDER_DEFAULT_MODELS = {
"openai": "gpt-4o-mini",
"anthropic": "claude-haiku-4-5",
"gemini": "gemini-3.6-flash",
"groq": "openai/gpt-oss-120b",
"openrouter": "qwen/qwen3.5-9b",
"minimax": "MiniMax-M2.7",
"ollama": "gemma3:12b",
"lmstudio": "local-model",
"openai_compatible": "your-model-name",
}
# The embedded daemon speaks OpenAI wire format for these providers.
_OPENAI_WIRE_PROVIDERS = {"openai_compatible", "openrouter"}
_OBSERVATION_SCOPE_KEYWORDS = {"per_tag", "combined", "all_combinations"}
def _parse_int_setting(value: Any, default: int) -> int:
"""Parse an integer config/env value, falling back on invalid input."""
if value is None or value == "":
return default
try:
return int(value)
except (TypeError, ValueError):
logger.warning("Invalid integer Hindsight setting %r; using default %s", value, default)
return default
def _daemon_llm_provider(provider: str) -> str:
return "openai" if provider in _OPENAI_WIRE_PROVIDERS else provider
def _normalize_retain_tags(value: Any) -> List[str]:
"""Normalize tag config/tool values to a deduplicated list of strings."""
if value is None:
return []
if isinstance(value, list):
raw_items = value
elif isinstance(value, str):
text = value.strip()
if not text:
return []
parsed = None
if text.startswith("["):
try:
parsed = json.loads(text)
except Exception:
parsed = None
raw_items = parsed if isinstance(parsed, list) else text.split(",")
else:
raw_items = [value]
normalized: list[str] = []
for item in raw_items:
tag = str(item).strip()
if tag and tag not in normalized:
normalized.append(tag)
return normalized
def _normalize_observation_scopes(value: Any) -> Any:
"""Normalize an observation_scopes value to a Hindsight-accepted form.
Returns ``None`` (nothing configured; Hindsight applies its ``combined``
default), a keyword string, or ``list[list[str]]`` (one inner list per
consolidation pass). Accepts a keyword, a JSON-encoded list, a flat list of
tags (one scope), or a list of tag-lists. Anything unrecognized yields
``None`` so we never send an invalid payload.
"""
if isinstance(value, str):
text = value.strip()
if text in _OBSERVATION_SCOPE_KEYWORDS:
return text
if text.startswith("["):
try:
return _normalize_observation_scopes(json.loads(text))
except Exception:
return None
return None
if isinstance(value, (list, tuple)):
if all(isinstance(entry, str) for entry in value):
inner = [entry.strip() for entry in value if entry.strip()]
return [inner] if inner else None
scopes: list[list[str]] = []
for entry in value:
if isinstance(entry, (list, tuple)):
inner = [str(tag).strip() for tag in entry if str(tag).strip()]
if inner:
scopes.append(inner)
elif isinstance(entry, str) and entry.strip():
scopes.append([entry.strip()])
return scopes or None
return None
def _sanitize_bank_segment(value: str) -> str:
"""Make a bank_id placeholder URL/filesystem safe: non ``[A-Za-z0-9_-]``
runs become a single dash; leading/trailing dashes and underscores are stripped."""
if not value:
return ""
out = []
prev_dash = False
for ch in str(value):
if ch.isalnum() or ch in "-_":
out.append(ch)
prev_dash = False
elif not prev_dash:
out.append("-")
prev_dash = True
return "".join(out).strip("-_")
def _resolve_bank_id_template(template: str, fallback: str, **placeholders: str) -> str:
"""Render a bank_id template ({profile}, {workspace}, {platform}, {user},
{session}); each placeholder is sanitized first. Empty placeholders render
as "" and the dash/underscore runs they leave are collapsed, e.g.
``hermes-{user}`` with no user becomes ``hermes``. Empty template or an
invalid placeholder falls back to *fallback*."""
if not template:
return fallback
sanitized = {k: _sanitize_bank_segment(v) for k, v in placeholders.items()}
try:
rendered = template.format(**sanitized)
except (KeyError, IndexError) as exc:
logger.warning("Invalid bank_id_template %r: %s — using fallback %r",
template, exc, fallback)
return fallback
while "--" in rendered:
rendered = rendered.replace("--", "-")
while "__" in rendered:
rendered = rendered.replace("__", "_")
return rendered.strip("-_") or fallback