16553be59d
When hermes-agent is not discoverable (common in Docker), create_profile_api() raised a hard RuntimeError while list and delete already had manual fallbacks. Changes: - Add _create_profile_fallback() that bootstraps profile directory structure directly (matching upstream hermes_cli.profiles: 8 subdirs + config clone) - Extract _validate_profile_name() so validation works without hermes_cli - Add constants _PROFILE_ID_RE, _PROFILE_DIRS, _CLONE_CONFIG_FILES matching upstream hermes-agent - Remove :ro from docker-compose.yml hermes home mount so profiles dir is writable inside the container Closes #44 Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
348 lines
12 KiB
Python
348 lines
12 KiB
Python
"""
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Hermes Web UI -- Profile state management.
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Wraps hermes_cli.profiles to provide profile switching for the web UI.
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The web UI maintains a process-level "active profile" that determines which
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HERMES_HOME directory is used for config, skills, memory, cron, and API keys.
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Profile switches update os.environ['HERMES_HOME'] and monkey-patch module-level
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cached paths in hermes-agent modules (skills_tool, cron/jobs) that snapshot
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HERMES_HOME at import time.
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"""
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import json
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import os
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import re
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import shutil
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import threading
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from pathlib import Path
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# ── Constants (match hermes_cli.profiles upstream) ─────────────────────────
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_PROFILE_ID_RE = re.compile(r'^[a-z0-9][a-z0-9_-]{0,63}$')
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_PROFILE_DIRS = [
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'memories', 'sessions', 'skills', 'skins',
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'logs', 'plans', 'workspace', 'cron',
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]
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_CLONE_CONFIG_FILES = ['config.yaml', '.env', 'SOUL.md']
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# ── Module state ────────────────────────────────────────────────────────────
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_active_profile = 'default'
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_profile_lock = threading.Lock()
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def _resolve_base_hermes_home() -> Path:
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"""Return the BASE ~/.hermes directory — the root that contains profiles/.
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This is intentionally distinct from HERMES_HOME, which tracks the *active
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profile's* home and changes on every profile switch. The base dir must
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always point to the top-level .hermes regardless of which profile is active.
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Resolution order:
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1. HERMES_BASE_HOME env var (set explicitly, highest priority)
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2. HERMES_HOME env var — but only if it does NOT look like a profile subdir
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(i.e. its parent is not named 'profiles'). This handles test isolation
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where HERMES_HOME is set to an isolated test state dir.
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3. ~/.hermes (always-correct default)
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The bug this prevents: if HERMES_HOME has already been mutated to
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/home/user/.hermes/profiles/webui (by init_profile_state at startup),
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reading it here would make _DEFAULT_HERMES_HOME point to that subdir,
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causing switch_profile('webui') to look for
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/home/user/.hermes/profiles/webui/profiles/webui — which doesn't exist.
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"""
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# Explicit override for tests or unusual setups
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base_override = os.getenv('HERMES_BASE_HOME', '').strip()
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if base_override:
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return Path(base_override).expanduser()
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hermes_home = os.getenv('HERMES_HOME', '').strip()
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if hermes_home:
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p = Path(hermes_home).expanduser()
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# If HERMES_HOME points to a profiles/ subdir, walk up two levels to the base
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if p.parent.name == 'profiles':
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return p.parent.parent
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# Otherwise trust it (e.g. test isolation sets HERMES_HOME to TEST_STATE_DIR)
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return p
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return Path.home() / '.hermes'
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_DEFAULT_HERMES_HOME = _resolve_base_hermes_home()
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def _read_active_profile_file() -> str:
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"""Read the sticky active profile from ~/.hermes/active_profile."""
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ap_file = _DEFAULT_HERMES_HOME / 'active_profile'
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if ap_file.exists():
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try:
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name = ap_file.read_text().strip()
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if name:
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return name
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except Exception:
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pass
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return 'default'
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# ── Public API ──────────────────────────────────────────────────────────────
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def get_active_profile_name() -> str:
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"""Return the currently active profile name."""
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return _active_profile
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def get_active_hermes_home() -> Path:
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"""Return the HERMES_HOME path for the currently active profile."""
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if _active_profile == 'default':
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return _DEFAULT_HERMES_HOME
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profile_dir = _DEFAULT_HERMES_HOME / 'profiles' / _active_profile
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if profile_dir.is_dir():
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return profile_dir
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return _DEFAULT_HERMES_HOME
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def _set_hermes_home(home: Path):
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"""Set HERMES_HOME env var and monkey-patch cached module-level paths."""
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os.environ['HERMES_HOME'] = str(home)
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# Patch skills_tool module-level cache (snapshots HERMES_HOME at import)
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try:
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import tools.skills_tool as _sk
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_sk.HERMES_HOME = home
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_sk.SKILLS_DIR = home / 'skills'
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except (ImportError, AttributeError):
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pass
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# Patch cron/jobs module-level cache
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try:
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import cron.jobs as _cj
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_cj.HERMES_DIR = home
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_cj.CRON_DIR = home / 'cron'
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_cj.JOBS_FILE = _cj.CRON_DIR / 'jobs.json'
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_cj.OUTPUT_DIR = _cj.CRON_DIR / 'output'
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except (ImportError, AttributeError):
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pass
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def _reload_dotenv(home: Path):
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"""Load .env from the profile dir into os.environ (additive)."""
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env_path = home / '.env'
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if not env_path.exists():
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return
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try:
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for line in env_path.read_text().splitlines():
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line = line.strip()
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if line and not line.startswith('#') and '=' in line:
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k, v = line.split('=', 1)
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k = k.strip()
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v = v.strip().strip('"').strip("'")
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if k and v:
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os.environ[k] = v
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except Exception:
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pass
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def init_profile_state():
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"""Initialize profile state at server startup.
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Reads ~/.hermes/active_profile, sets HERMES_HOME env var, patches
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module-level cached paths. Called once from config.py after imports.
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"""
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global _active_profile
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_active_profile = _read_active_profile_file()
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home = get_active_hermes_home()
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_set_hermes_home(home)
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_reload_dotenv(home)
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def switch_profile(name: str) -> dict:
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"""Switch the active profile.
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Validates the profile exists, updates process state, patches module caches,
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reloads .env, and reloads config.yaml.
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Returns: {'profiles': [...], 'active': name}
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Raises ValueError if profile doesn't exist or agent is busy.
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"""
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global _active_profile
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# Import here to avoid circular import at module load
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from api.config import STREAMS, STREAMS_LOCK, reload_config
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# Block if agent is running
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with STREAMS_LOCK:
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if len(STREAMS) > 0:
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raise RuntimeError(
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'Cannot switch profiles while an agent is running. '
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'Cancel or wait for it to finish.'
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)
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# Resolve profile directory
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if name == 'default':
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home = _DEFAULT_HERMES_HOME
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else:
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home = _DEFAULT_HERMES_HOME / 'profiles' / name
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if not home.is_dir():
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raise ValueError(f"Profile '{name}' does not exist.")
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with _profile_lock:
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_active_profile = name
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_set_hermes_home(home)
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_reload_dotenv(home)
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# Write sticky default for CLI consistency
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try:
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ap_file = _DEFAULT_HERMES_HOME / 'active_profile'
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ap_file.write_text(name if name != 'default' else '')
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except Exception:
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pass
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# Reload config.yaml from the new profile
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reload_config()
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# Return profile-specific defaults so frontend can apply them
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from api.workspace import get_last_workspace
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from api.config import get_config
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cfg = get_config()
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model_cfg = cfg.get('model', {})
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default_model = None
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if isinstance(model_cfg, str):
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default_model = model_cfg
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elif isinstance(model_cfg, dict):
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default_model = model_cfg.get('default')
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return {
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'profiles': list_profiles_api(),
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'active': name,
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'default_model': default_model,
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'default_workspace': get_last_workspace(),
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}
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def list_profiles_api() -> list:
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"""List all profiles with metadata, serialized for JSON response."""
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try:
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from hermes_cli.profiles import list_profiles
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infos = list_profiles()
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except ImportError:
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# hermes_cli not available -- return just the default
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return [_default_profile_dict()]
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active = _active_profile
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result = []
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for p in infos:
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result.append({
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'name': p.name,
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'path': str(p.path),
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'is_default': p.is_default,
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'is_active': p.name == active,
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'gateway_running': p.gateway_running,
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'model': p.model,
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'provider': p.provider,
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'has_env': p.has_env,
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'skill_count': p.skill_count,
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})
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return result
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def _default_profile_dict() -> dict:
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"""Fallback profile dict when hermes_cli is not importable."""
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return {
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'name': 'default',
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'path': str(_DEFAULT_HERMES_HOME),
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'is_default': True,
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'is_active': True,
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'gateway_running': False,
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'model': None,
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'provider': None,
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'has_env': (_DEFAULT_HERMES_HOME / '.env').exists(),
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'skill_count': 0,
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}
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def _validate_profile_name(name: str):
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"""Validate profile name format (matches hermes_cli.profiles upstream)."""
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if name == 'default':
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raise ValueError("Cannot create a profile named 'default' -- it is the built-in profile.")
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if not _PROFILE_ID_RE.match(name):
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raise ValueError(
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f"Invalid profile name {name!r}. "
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"Must match [a-z0-9][a-z0-9_-]{0,63}"
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)
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def _create_profile_fallback(name: str, clone_from: str = None,
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clone_config: bool = False) -> Path:
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"""Create a profile directory without hermes_cli (Docker/standalone fallback)."""
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profile_dir = _DEFAULT_HERMES_HOME / 'profiles' / name
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if profile_dir.exists():
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raise FileExistsError(f"Profile '{name}' already exists.")
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# Bootstrap directory structure
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profile_dir.mkdir(parents=True, exist_ok=True)
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for subdir in _PROFILE_DIRS:
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(profile_dir / subdir).mkdir(parents=True, exist_ok=True)
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# Clone config files from source profile if requested
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if clone_config and clone_from:
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if clone_from == 'default':
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source_dir = _DEFAULT_HERMES_HOME
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else:
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source_dir = _DEFAULT_HERMES_HOME / 'profiles' / clone_from
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if source_dir.is_dir():
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for filename in _CLONE_CONFIG_FILES:
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src = source_dir / filename
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if src.exists():
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shutil.copy2(src, profile_dir / filename)
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return profile_dir
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def create_profile_api(name: str, clone_from: str = None,
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clone_config: bool = False) -> dict:
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"""Create a new profile. Returns the new profile info dict."""
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_validate_profile_name(name)
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try:
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from hermes_cli.profiles import create_profile
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create_profile(
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name,
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clone_from=clone_from,
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clone_config=clone_config,
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clone_all=False,
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no_alias=True,
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)
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except ImportError:
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_create_profile_fallback(name, clone_from, clone_config)
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# Find and return the newly created profile info
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for p in list_profiles_api():
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if p['name'] == name:
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return p
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return {'name': name, 'path': str(_DEFAULT_HERMES_HOME / 'profiles' / name)}
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def delete_profile_api(name: str) -> dict:
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"""Delete a profile. Switches to default first if it's the active one."""
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if name == 'default':
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raise ValueError("Cannot delete the default profile.")
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# If deleting the active profile, switch to default first
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if _active_profile == name:
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try:
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switch_profile('default')
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except RuntimeError:
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raise RuntimeError(
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f"Cannot delete active profile '{name}' while an agent is running. "
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"Cancel or wait for it to finish."
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)
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try:
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from hermes_cli.profiles import delete_profile
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delete_profile(name, yes=True)
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except ImportError:
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# Manual fallback: just remove the directory
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import shutil
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profile_dir = _DEFAULT_HERMES_HOME / 'profiles' / name
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if profile_dir.is_dir():
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shutil.rmtree(str(profile_dir))
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else:
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raise ValueError(f"Profile '{name}' does not exist.")
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return {'ok': True, 'name': name}
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