Config writes from hermes honcho setup/peer now go to hosts.hermes instead of mutating root-level keys. Root is reserved for the user or honcho CLI. apiKey remains at root as a shared credential. Reads updated to check hosts.hermes first with root fallback for all fields (peerName, enabled, saveMessages, environment, sessionStrategy, sessionPeerPrefix).
368 lines
12 KiB
Python
368 lines
12 KiB
Python
"""Honcho client initialization and configuration.
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Reads the global ~/.honcho/config.json when available, falling back
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to environment variables.
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Resolution order for host-specific settings:
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1. Explicit host block fields (always win)
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2. Flat/global fields from config root
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3. Defaults (host name as workspace/peer)
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"""
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from __future__ import annotations
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import json
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import os
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import logging
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from dataclasses import dataclass, field
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from pathlib import Path
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from typing import Any, TYPE_CHECKING
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if TYPE_CHECKING:
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from honcho import Honcho
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logger = logging.getLogger(__name__)
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GLOBAL_CONFIG_PATH = Path.home() / ".honcho" / "config.json"
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HOST = "hermes"
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def _resolve_memory_mode(
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global_val: str | dict,
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host_val: str | dict | None,
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) -> dict:
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"""Parse memoryMode (string or object) into memory_mode + peer_memory_modes.
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Resolution order: host-level wins over global.
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String form: applies as the default for all peers.
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Object form: { "default": "hybrid", "hermes": "honcho", ... }
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"default" key sets the fallback; other keys are per-peer overrides.
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"""
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# Pick the winning value (host beats global)
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val = host_val if host_val is not None else global_val
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if isinstance(val, dict):
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default = val.get("default", "hybrid")
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overrides = {k: v for k, v in val.items() if k != "default"}
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else:
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default = str(val) if val else "hybrid"
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overrides = {}
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return {"memory_mode": default, "peer_memory_modes": overrides}
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@dataclass
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class HonchoClientConfig:
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"""Configuration for Honcho client, resolved for a specific host."""
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host: str = HOST
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workspace_id: str = "hermes"
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api_key: str | None = None
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environment: str = "production"
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# Identity
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peer_name: str | None = None
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ai_peer: str = "hermes"
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linked_hosts: list[str] = field(default_factory=list)
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# Toggles
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enabled: bool = False
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save_messages: bool = True
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# memoryMode: default for all peers. "hybrid" / "honcho" / "local"
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memory_mode: str = "hybrid"
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# Per-peer overrides — any named Honcho peer. Override memory_mode when set.
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# Config object form: "memoryMode": { "default": "hybrid", "hermes": "honcho" }
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peer_memory_modes: dict[str, str] = field(default_factory=dict)
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def peer_memory_mode(self, peer_name: str) -> str:
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"""Return the effective memory mode for a named peer.
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Resolution: per-peer override → global memory_mode default.
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"""
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return self.peer_memory_modes.get(peer_name, self.memory_mode)
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# Write frequency: "async" (background thread), "turn" (sync per turn),
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# "session" (flush on session end), or int (every N turns)
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write_frequency: str | int = "async"
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# Prefetch budget
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context_tokens: int | None = None
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# Dialectic (peer.chat) settings
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# reasoning_level: "minimal" | "low" | "medium" | "high" | "max"
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# Used as the default; prefetch_dialectic may bump it dynamically.
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dialectic_reasoning_level: str = "low"
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# Max chars of dialectic result to inject into Hermes system prompt
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dialectic_max_chars: int = 600
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# Recall mode: how memory retrieval works when Honcho is active.
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# "hybrid" — pre-warmed context + memory tools available (model decides)
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# "context" — pre-warmed context only, honcho memory tools removed
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# "tools" — no pre-loaded context, rely on tool calls only
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recall_mode: str = "hybrid"
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# Session resolution
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session_strategy: str = "per-session"
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session_peer_prefix: bool = False
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sessions: dict[str, str] = field(default_factory=dict)
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# Raw global config for anything else consumers need
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raw: dict[str, Any] = field(default_factory=dict)
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@classmethod
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def from_env(cls, workspace_id: str = "hermes") -> HonchoClientConfig:
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"""Create config from environment variables (fallback)."""
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return cls(
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workspace_id=workspace_id,
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api_key=os.environ.get("HONCHO_API_KEY"),
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environment=os.environ.get("HONCHO_ENVIRONMENT", "production"),
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enabled=True,
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)
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@classmethod
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def from_global_config(
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cls,
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host: str = HOST,
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config_path: Path | None = None,
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) -> HonchoClientConfig:
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"""Create config from ~/.honcho/config.json.
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Falls back to environment variables if the file doesn't exist.
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"""
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path = config_path or GLOBAL_CONFIG_PATH
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if not path.exists():
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logger.debug("No global Honcho config at %s, falling back to env", path)
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return cls.from_env()
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try:
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raw = json.loads(path.read_text(encoding="utf-8"))
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except (json.JSONDecodeError, OSError) as e:
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logger.warning("Failed to read %s: %s, falling back to env", path, e)
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return cls.from_env()
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host_block = (raw.get("hosts") or {}).get(host, {})
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# Explicit host block fields win, then flat/global, then defaults
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workspace = (
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host_block.get("workspace")
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or raw.get("workspace")
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or host
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)
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ai_peer = (
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host_block.get("aiPeer")
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or raw.get("aiPeer")
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or host
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)
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linked_hosts = host_block.get("linkedHosts", [])
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api_key = (
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host_block.get("apiKey")
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or raw.get("apiKey")
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or os.environ.get("HONCHO_API_KEY")
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)
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environment = (
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host_block.get("environment")
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or raw.get("environment", "production")
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)
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# Auto-enable when API key is present (unless explicitly disabled)
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# Host-level enabled wins, then root-level, then auto-enable if key exists.
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host_enabled = host_block.get("enabled")
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root_enabled = raw.get("enabled")
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if host_enabled is not None:
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enabled = host_enabled
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elif root_enabled is not None:
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enabled = root_enabled
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else:
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# Not explicitly set anywhere -> auto-enable if API key exists
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enabled = bool(api_key)
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# write_frequency: accept int or string
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raw_wf = (
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host_block.get("writeFrequency")
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or raw.get("writeFrequency")
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or "async"
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)
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try:
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write_frequency: str | int = int(raw_wf)
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except (TypeError, ValueError):
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write_frequency = str(raw_wf)
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# saveMessages: host wins (None-aware since False is valid)
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host_save = host_block.get("saveMessages")
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save_messages = host_save if host_save is not None else raw.get("saveMessages", True)
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# sessionStrategy / sessionPeerPrefix: host first, root fallback
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session_strategy = (
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host_block.get("sessionStrategy")
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or raw.get("sessionStrategy", "per-session")
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)
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host_prefix = host_block.get("sessionPeerPrefix")
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session_peer_prefix = (
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host_prefix if host_prefix is not None
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else raw.get("sessionPeerPrefix", False)
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)
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return cls(
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host=host,
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workspace_id=workspace,
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api_key=api_key,
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environment=environment,
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peer_name=host_block.get("peerName") or raw.get("peerName"),
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ai_peer=ai_peer,
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linked_hosts=linked_hosts,
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enabled=enabled,
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save_messages=save_messages,
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**_resolve_memory_mode(
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raw.get("memoryMode", "hybrid"),
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host_block.get("memoryMode"),
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),
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write_frequency=write_frequency,
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context_tokens=host_block.get("contextTokens") or raw.get("contextTokens"),
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dialectic_reasoning_level=(
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host_block.get("dialecticReasoningLevel")
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or raw.get("dialecticReasoningLevel")
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or "low"
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),
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dialectic_max_chars=int(
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host_block.get("dialecticMaxChars")
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or raw.get("dialecticMaxChars")
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or 600
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),
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recall_mode=(
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host_block.get("recallMode")
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or raw.get("recallMode")
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or "hybrid"
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),
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session_strategy=session_strategy,
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session_peer_prefix=session_peer_prefix,
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sessions=raw.get("sessions", {}),
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raw=raw,
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)
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@staticmethod
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def _git_repo_name(cwd: str) -> str | None:
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"""Return the git repo root directory name, or None if not in a repo."""
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import subprocess
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try:
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root = subprocess.run(
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["git", "rev-parse", "--show-toplevel"],
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capture_output=True, text=True, cwd=cwd, timeout=5,
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)
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if root.returncode == 0:
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return Path(root.stdout.strip()).name
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except (OSError, subprocess.TimeoutExpired):
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pass
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return None
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def resolve_session_name(
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self,
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cwd: str | None = None,
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session_title: str | None = None,
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session_id: str | None = None,
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) -> str | None:
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"""Resolve Honcho session name.
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Resolution order:
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1. Manual directory override from sessions map
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2. Hermes session title (from /title command)
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3. per-session strategy — Hermes session_id ({timestamp}_{hex})
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4. per-repo strategy — git repo root directory name
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5. per-directory strategy — directory basename
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6. global strategy — workspace name
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"""
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import re
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if not cwd:
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cwd = os.getcwd()
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# Manual override always wins
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manual = self.sessions.get(cwd)
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if manual:
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return manual
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# /title mid-session remap
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if session_title:
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sanitized = re.sub(r'[^a-zA-Z0-9_-]', '-', session_title).strip('-')
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if sanitized:
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if self.session_peer_prefix and self.peer_name:
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return f"{self.peer_name}-{sanitized}"
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return sanitized
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# per-session: inherit Hermes session_id (new Honcho session each run)
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if self.session_strategy == "per-session" and session_id:
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if self.session_peer_prefix and self.peer_name:
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return f"{self.peer_name}-{session_id}"
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return session_id
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# per-repo: one Honcho session per git repository
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if self.session_strategy == "per-repo":
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base = self._git_repo_name(cwd) or Path(cwd).name
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if self.session_peer_prefix and self.peer_name:
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return f"{self.peer_name}-{base}"
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return base
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# per-directory: one Honcho session per working directory
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if self.session_strategy in ("per-directory", "per-session"):
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base = Path(cwd).name
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if self.session_peer_prefix and self.peer_name:
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return f"{self.peer_name}-{base}"
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return base
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# global: single session across all directories
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return self.workspace_id
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def get_linked_workspaces(self) -> list[str]:
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"""Resolve linked host keys to workspace names."""
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hosts = self.raw.get("hosts", {})
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workspaces = []
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for host_key in self.linked_hosts:
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block = hosts.get(host_key, {})
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ws = block.get("workspace") or host_key
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if ws != self.workspace_id:
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workspaces.append(ws)
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return workspaces
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_honcho_client: Honcho | None = None
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def get_honcho_client(config: HonchoClientConfig | None = None) -> Honcho:
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"""Get or create the Honcho client singleton.
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When no config is provided, attempts to load ~/.honcho/config.json
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first, falling back to environment variables.
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"""
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global _honcho_client
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if _honcho_client is not None:
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return _honcho_client
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if config is None:
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config = HonchoClientConfig.from_global_config()
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if not config.api_key:
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raise ValueError(
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"Honcho API key not found. "
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"Get your API key at https://app.honcho.dev, "
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"then run 'hermes honcho setup' or set HONCHO_API_KEY."
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)
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try:
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from honcho import Honcho
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except ImportError:
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raise ImportError(
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"honcho-ai is required for Honcho integration. "
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"Install it with: pip install honcho-ai"
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)
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logger.info("Initializing Honcho client (host: %s, workspace: %s)", config.host, config.workspace_id)
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_honcho_client = Honcho(
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workspace_id=config.workspace_id,
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api_key=config.api_key,
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environment=config.environment,
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)
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return _honcho_client
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def reset_honcho_client() -> None:
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"""Reset the Honcho client singleton (useful for testing)."""
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global _honcho_client
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_honcho_client = None
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