Files
nanobot/nanobot/session/automation_turns.py
T

93 lines
3.1 KiB
Python

"""Shared handling for session-bound automation turns."""
from __future__ import annotations
from collections.abc import Callable, Mapping
from dataclasses import dataclass, field
from functools import lru_cache
from typing import Any, cast
AUTOMATION_HISTORY_META = "_automation_turn"
@dataclass(frozen=True)
class AutomationTurnSpec:
"""Source-specific wiring for one session-bound automation turn type."""
kind: str
trigger_meta_key: str
legacy_history_meta_key: str | None = None
history_fields: Mapping[str, str] = field(default_factory=dict[str, str])
text_builder: Callable[[Mapping[str, Any]], str | None] | None = None
def automation_trigger(
metadata: Mapping[str, Any] | None,
spec: AutomationTurnSpec,
) -> dict[str, Any] | None:
"""Return source trigger metadata for *spec* when present."""
raw = (metadata or {}).get(spec.trigger_meta_key)
return cast(dict[str, Any], raw) if isinstance(raw, dict) else None
def automation_history_overrides_for_spec(
metadata: Mapping[str, Any] | None,
spec: AutomationTurnSpec,
) -> tuple[str | None, dict[str, Any]]:
"""Return hidden session-history text/metadata overrides for *spec*."""
trigger = automation_trigger(metadata, spec)
if not trigger:
return None, {}
details: dict[str, Any] = {"kind": spec.kind}
extra: dict[str, Any] = {AUTOMATION_HISTORY_META: details}
if spec.legacy_history_meta_key:
extra[spec.legacy_history_meta_key] = True
for history_key, trigger_key in spec.history_fields.items():
value = trigger.get(trigger_key)
extra[history_key] = value
details[history_key] = value
text = spec.text_builder(trigger) if spec.text_builder else None
return text, extra
@lru_cache(maxsize=1)
def _automation_specs() -> tuple[AutomationTurnSpec, ...]:
# Source modules import the generic helpers above, so keep spec loading lazy.
from nanobot.cron.session_turns import CRON_AUTOMATION_SPEC
from nanobot.triggers.local_session_turns import LOCAL_TRIGGER_AUTOMATION_SPEC
return (CRON_AUTOMATION_SPEC, LOCAL_TRIGGER_AUTOMATION_SPEC)
def automation_history_overrides(
metadata: Mapping[str, Any] | None,
) -> tuple[str | None, dict[str, Any]]:
"""Return session-history text/metadata overrides for supported automation turns."""
for spec in _automation_specs():
text, extra = automation_history_overrides_for_spec(metadata, spec)
if extra:
return text, extra
return None, {}
def is_automation_history_message(message: Mapping[str, Any] | None) -> bool:
"""True for hidden automation trigger records in session history."""
if not message:
return False
marker = message.get(AUTOMATION_HISTORY_META)
if marker is True or isinstance(marker, Mapping):
return True
return any(
spec.legacy_history_meta_key
and message.get(spec.legacy_history_meta_key) is True
for spec in _automation_specs()
)
def is_automation_kind(value: Any) -> bool:
return isinstance(value, str) and (
value == "trigger" or any(spec.kind == value for spec in _automation_specs())
)