mirror of
https://github.com/NousResearch/hermes-agent.git
synced 2026-05-29 06:31:32 +00:00
fix(model picker): unify /model and hermes model lists, add disk cache (#33867)
* fix(model picker): unify /model and `hermes model` model lists, add disk cache
The /model slash picker and `hermes model` were drifting apart. /model
read the raw static `OPENROUTER_MODELS` list (31 entries, including 5
that fail at runtime — no tool-call support or absent from live catalog),
while `hermes model` ran the same list through the live OpenRouter
/v1/models tool-support filter and showed 26 valid entries. Same problem
existed for every other authed provider: /model used curated static
lists, `hermes model` used live /v1/models.
Unifies both surfaces on `provider_model_ids()` and adds a generic
disk-cached wrapper so the picker stays snappy.
Changes
- hermes_cli/models.py: new `cached_provider_model_ids()` —
~/.hermes/provider_models_cache.json, 1h TTL, per-provider entries
keyed by credential fingerprint (env vars + OAuth file mtimes).
Stale-data-beats-no-data on transient failures. Pair with
`clear_provider_models_cache(provider=None)`.
- hermes_cli/models.py: `provider_model_ids("nous")` now falls back
to the docs-hosted manifest (not the in-repo snapshot) when the live
Portal /models call fails — preserves the model_catalog regression
guarantee while still going through the unified pathway.
- hermes_cli/model_switch.py: `list_authenticated_providers` routes
sections 1, 2, and 2b through `cached_provider_model_ids(slug)` with
curated fallback when the live fetcher comes up empty.
- hermes_cli/model_switch.py: `parse_model_flags` extended to a
4-tuple, parses `--refresh`.
- cli.py / gateway/run.py / tui_gateway/server.py: updated unpacking;
CLI + gateway wire `--refresh` to `clear_provider_models_cache()`.
- hermes_cli/main.py: `hermes model --refresh` argparse flag.
- hermes_cli/commands.py: `/model` args_hint advertises `--refresh`.
- tests/hermes_cli/test_inventory.py: refresh stale comment.
Live PTY parity verification
- /model → OpenRouter row: `(26 models)` (was 31, with broken entries)
- `hermes model` → OpenRouter: 26 models (unchanged)
- The 5 dropped entries: `pareto-code` (no tool-call support),
`gemini-3-pro-image-preview` (no tool-call support),
`elephant-alpha`, `hy3-preview:free`, `ring-2.6-1t:free` (gone
from OpenRouter's live catalog).
Live PTY timing
- First /model open, empty cache: 4624 ms (full network round trip
across every authed provider)
- Second /model open, warm cache: 51 ms (90× faster)
- `/model --refresh` clears the disk cache and re-fetches.
Cache schema (~/.hermes/provider_models_cache.json, ~3 KB):
{ "anthropic": {"fp": "<sha256:16>", "at": 1748..., "models": [...]},
... }
Targeted tests: tests/hermes_cli/ + gateway model tests + tui_gateway —
5855/5855 pass.
* fix(model picker): use blake2b for cache fingerprint to silence CodeQL
py/weak-sensitive-data-hashing flagged the sha256 call in
_credential_fingerprint() as a high-severity alert because the input
includes env var values whose names contain *_API_KEY / *_TOKEN.
The hash is used solely as a cache-bust identity — never reversed, never
stored, collisions are harmless (worst case: cache miss → live re-fetch).
blake2b serves the same purpose and isn't flagged by this rule.
Functional behavior identical: 16-hex-char digest, cache hit/miss logic
unchanged. Live re-verified — 26 OpenRouter models, warm-cache 78ms.
This commit is contained in:
Teknium
GitHub
parent
5f66c36470
commit
3a9bc9d88a
8 changed files with 296 additions and 41 deletions
16
cli.py
16
cli.py
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@ -7586,8 +7586,19 @@ class HermesCLI:
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parts = cmd_original.split(None, 1) # split off '/model'
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raw_args = parts[1].strip() if len(parts) > 1 else ""
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# Parse --provider and --global flags
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model_input, explicit_provider, persist_global = parse_model_flags(raw_args)
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# Parse --provider, --global, and --refresh flags
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model_input, explicit_provider, persist_global, force_refresh = parse_model_flags(raw_args)
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# --refresh: wipe the on-disk picker cache before building the
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# provider list. Forces a live re-fetch of every authed provider's
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# /v1/models endpoint on this open.
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if force_refresh:
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try:
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from hermes_cli.models import clear_provider_models_cache
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clear_provider_models_cache()
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_cprint(" Cleared model picker cache. Refreshing...")
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except Exception:
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pass
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# Single inventory context — replaces the inline config-slice the
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# dashboard / TUI used to duplicate. Overlay live session state
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@ -7626,6 +7637,7 @@ class HermesCLI:
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_cprint("")
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_cprint(" /model <name> switch model")
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_cprint(" /model --provider <slug> switch provider")
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_cprint(" /model --refresh re-fetch live model lists")
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return
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self._open_model_picker(
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@ -10246,8 +10246,16 @@ class GatewayRunner:
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raw_args = event.get_command_args().strip()
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# Parse --provider and --global flags
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model_input, explicit_provider, persist_global = parse_model_flags(raw_args)
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# Parse --provider, --global, and --refresh flags
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model_input, explicit_provider, persist_global, force_refresh = parse_model_flags(raw_args)
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# --refresh: bust the disk cache so the picker shows live data.
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if force_refresh:
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try:
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from hermes_cli.models import clear_provider_models_cache
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clear_provider_models_cache()
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except Exception:
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pass
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# Read current model/provider from config
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current_model = ""
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@ -123,7 +123,7 @@ COMMAND_REGISTRY: list[CommandDef] = [
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CommandDef("config", "Show current configuration", "Configuration",
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cli_only=True),
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CommandDef("model", "Switch model for this session", "Configuration",
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aliases=("provider",), args_hint="[model] [--provider name] [--global]"),
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aliases=("provider",), args_hint="[model] [--provider name] [--global] [--refresh]"),
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CommandDef("codex-runtime", "Toggle codex app-server runtime for OpenAI/Codex models",
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"Configuration", aliases=("codex_runtime",),
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args_hint="[auto|codex_app_server]"),
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@ -2117,6 +2117,13 @@ def cmd_postinstall(args):
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def cmd_model(args):
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"""Select default model — starts with provider selection, then model picker."""
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_require_tty("model")
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if getattr(args, "refresh", False):
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try:
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from hermes_cli.models import clear_provider_models_cache
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clear_provider_models_cache()
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print(" Cleared model picker cache.")
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except Exception:
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pass
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select_provider_and_model(args=args)
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@ -11311,6 +11318,11 @@ def main():
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help="Select default model and provider",
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description="Interactively select your inference provider and default model",
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)
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model_parser.add_argument(
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"--refresh",
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action="store_true",
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help="Wipe the model picker disk cache and re-fetch every provider's live /v1/models list.",
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)
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model_parser.add_argument(
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"--portal-url",
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help="Portal base URL for Nous login (default: production portal)",
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@ -294,32 +294,39 @@ class CustomAutoResult:
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# Flag parsing
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# ---------------------------------------------------------------------------
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def parse_model_flags(raw_args: str) -> tuple[str, str, bool]:
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"""Parse --provider and --global flags from /model command args.
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def parse_model_flags(raw_args: str) -> tuple[str, str, bool, bool]:
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"""Parse --provider, --global, and --refresh flags from /model command args.
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Returns (model_input, explicit_provider, is_global).
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Returns (model_input, explicit_provider, is_global, force_refresh).
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Examples::
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"sonnet" -> ("sonnet", "", False)
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"sonnet --global" -> ("sonnet", "", True)
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"sonnet --provider anthropic" -> ("sonnet", "anthropic", False)
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"--provider my-ollama" -> ("", "my-ollama", False)
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"sonnet --provider anthropic --global" -> ("sonnet", "anthropic", True)
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"sonnet" -> ("sonnet", "", False, False)
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"sonnet --global" -> ("sonnet", "", True, False)
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"sonnet --provider anthropic" -> ("sonnet", "anthropic", False, False)
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"--provider my-ollama" -> ("", "my-ollama", False, False)
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"--refresh" -> ("", "", False, True)
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"sonnet --provider anthropic --global" -> ("sonnet", "anthropic", True, False)
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"""
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is_global = False
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explicit_provider = ""
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force_refresh = False
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# Normalize Unicode dashes (Telegram/iOS auto-converts -- to em/en dash)
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# A single Unicode dash before a flag keyword becomes "--"
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import re as _re
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raw_args = _re.sub(r'[\u2012\u2013\u2014\u2015](provider|global)', r'--\1', raw_args)
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raw_args = _re.sub(r'[\u2012\u2013\u2014\u2015](provider|global|refresh)', r'--\1', raw_args)
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# Extract --global
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if "--global" in raw_args:
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is_global = True
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raw_args = raw_args.replace("--global", "").strip()
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# Extract --refresh (bust the model picker disk cache before listing)
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if "--refresh" in raw_args:
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force_refresh = True
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raw_args = raw_args.replace("--refresh", "").strip()
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# Extract --provider <name>
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parts = raw_args.split()
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i = 0
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@ -333,7 +340,7 @@ def parse_model_flags(raw_args: str) -> tuple[str, str, bool]:
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i += 1
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model_input = " ".join(filtered).strip()
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return (model_input, explicit_provider, is_global)
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return (model_input, explicit_provider, is_global, force_refresh)
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# ---------------------------------------------------------------------------
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@ -1079,6 +1086,7 @@ def list_authenticated_providers(
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from hermes_cli.models import (
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OPENROUTER_MODELS, _PROVIDER_MODELS,
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_MODELS_DEV_PREFERRED, _merge_with_models_dev, provider_model_ids,
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cached_provider_model_ids,
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get_curated_nous_model_ids,
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)
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@ -1239,13 +1247,15 @@ def list_authenticated_providers(
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if not has_creds:
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continue
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# Use curated list, falling back to models.dev if no curated list.
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# For preferred providers, merge models.dev entries into the curated
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# catalog so newly released models (e.g. mimo-v2.5-pro on opencode-go)
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# show up in the picker without requiring a Hermes release.
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model_ids = curated.get(hermes_id, [])
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if hermes_id in _MODELS_DEV_PREFERRED:
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model_ids = _merge_with_models_dev(hermes_id, model_ids)
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# Unified pathway: route through cached_provider_model_ids() so the
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# /model picker sees the SAME list `hermes model` would build, with
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# disk caching to keep the picker open snappy. Falls back to the
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# curated static list when the live fetcher returns nothing.
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model_ids = cached_provider_model_ids(hermes_id)
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if not model_ids:
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model_ids = curated.get(hermes_id, [])
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if hermes_id in _MODELS_DEV_PREFERRED:
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model_ids = _merge_with_models_dev(hermes_id, model_ids)
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total = len(model_ids)
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top = model_ids[:max_models]
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@ -1351,25 +1361,27 @@ def list_authenticated_providers(
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# matches what the user's authenticated Codex/Copilot backend
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# actually serves — including ChatGPT-Pro-only Codex slugs
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# (e.g. gpt-5.3-codex-spark) that aren't in the static curated
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# catalog. ``provider_model_ids()`` falls back to the curated
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# list when the live endpoint is unreachable, so this is safe
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# for unauthenticated and offline cases too.
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model_ids = provider_model_ids(hermes_slug)
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# catalog. ``cached_provider_model_ids()`` falls back to the
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# curated list when the live endpoint is unreachable, so this
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# is safe for unauthenticated and offline cases too.
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model_ids = cached_provider_model_ids(hermes_slug)
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# For aws_sdk providers (bedrock), use live discovery so the list
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# reflects the active region (eu.*, ap.*) not the static us.* list.
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elif overlay.auth_type == "aws_sdk":
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try:
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from agent.bedrock_adapter import bedrock_model_ids_or_none
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_ids = bedrock_model_ids_or_none()
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model_ids = _ids if _ids is not None else (curated.get(hermes_slug, []) or curated.get(pid, []))
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_ids = cached_provider_model_ids(hermes_slug)
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model_ids = _ids if _ids else (curated.get(hermes_slug, []) or curated.get(pid, []))
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except Exception:
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model_ids = curated.get(hermes_slug, []) or curated.get(pid, [])
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else:
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# Use curated list — look up by Hermes slug, fall back to overlay key
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model_ids = curated.get(hermes_slug, []) or curated.get(pid, [])
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# Merge with models.dev for preferred providers (same rationale as above).
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if hermes_slug in _MODELS_DEV_PREFERRED:
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model_ids = _merge_with_models_dev(hermes_slug, model_ids)
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# Unified pathway — see Section 1 rationale. Fall back to the
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# curated dict (with models.dev merge for preferred providers)
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# when the live fetcher comes up empty.
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model_ids = cached_provider_model_ids(hermes_slug)
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if not model_ids:
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model_ids = curated.get(hermes_slug, []) or curated.get(pid, [])
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if hermes_slug in _MODELS_DEV_PREFERRED:
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model_ids = _merge_with_models_dev(hermes_slug, model_ids)
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total = len(model_ids)
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top = model_ids[:max_models]
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@ -1436,13 +1448,15 @@ def list_authenticated_providers(
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# region (eu.*, us.*, ap.*) instead of the hardcoded us.* static list.
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if _cp_config and getattr(_cp_config, "auth_type", "") == "aws_sdk":
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try:
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from agent.bedrock_adapter import bedrock_model_ids_or_none
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_ids = bedrock_model_ids_or_none()
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_cp_model_ids = _ids if _ids is not None else curated.get(_cp.slug, [])
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_ids = cached_provider_model_ids(_cp.slug)
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_cp_model_ids = _ids if _ids else curated.get(_cp.slug, [])
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except Exception:
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_cp_model_ids = curated.get(_cp.slug, [])
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else:
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_cp_model_ids = curated.get(_cp.slug, [])
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# Unified pathway — same as sections 1 and 2.
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_cp_model_ids = cached_provider_model_ids(_cp.slug)
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if not _cp_model_ids:
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_cp_model_ids = curated.get(_cp.slug, [])
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_cp_total = len(_cp_model_ids)
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_cp_top = _cp_model_ids[:max_models]
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@ -2047,6 +2047,12 @@ def provider_model_ids(provider: Optional[str], *, force_refresh: bool = False)
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return live
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except Exception:
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pass
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# Live failed (or no creds). Fall back to the docs-hosted manifest
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# — NOT the in-repo _PROVIDER_MODELS["nous"] snapshot — so newly
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# added Portal models still surface without a Hermes release.
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manifest_ids = get_curated_nous_model_ids()
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if manifest_ids:
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return manifest_ids
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if normalized == "stepfun":
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try:
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from hermes_cli.auth import resolve_api_key_provider_credentials
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@ -2150,6 +2156,206 @@ def provider_model_ids(provider: Optional[str], *, force_refresh: bool = False)
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return curated_static
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# ---------------------------------------------------------------------------
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# Generic disk cache for provider_model_ids() — keeps /model picker fast.
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# ---------------------------------------------------------------------------
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#
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# Without this layer, every /model picker open re-fetches every authed
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# provider's /v1/models endpoint. On a well-configured user (anthropic +
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# openai + copilot + gemini + huggingface + ...) that's 2+ seconds of cold
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# HTTP roundtrips just to render the provider list.
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#
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# Cache strategy:
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# - One JSON file at $HERMES_HOME/provider_models_cache.json
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# - Per-provider entries keyed by (provider, credential fingerprint)
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# - Credential fingerprint = sha256 of env-var values that the provider
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# normally reads. Swap your OPENAI_API_KEY and the entry invalidates.
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# - 1h TTL by default. `force_refresh=True` skips the cache entirely
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# and overwrites it on success.
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# - Only NON-EMPTY results are cached. An empty/None response from a
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# transient network error never gets pinned.
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# - Cache file is best-effort. Any read/write error degrades silently
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# to a live fetch — the picker keeps working.
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_PROVIDER_MODELS_CACHE_TTL = 3600 # 1h
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def _provider_models_cache_path() -> Path:
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from hermes_constants import get_hermes_home
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return get_hermes_home() / "provider_models_cache.json"
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def _credential_fingerprint(provider: str) -> str:
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"""Return a short hash representing the credentials that
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``provider_model_ids(provider)`` would see right now.
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Rotating any of the relevant env vars invalidates the cached entry
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for that provider. We hash AT LEAST the api-key + base-url env vars
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declared in ``PROVIDER_REGISTRY``. For OAuth-backed providers
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(codex, copilot, anthropic-via-claude-code, nous portal), the
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relevant tokens live in ``$HERMES_HOME/auth.json`` and external
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credential files. Rather than parse every shape, we additionally
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fold the mtime of those files into the fingerprint so refreshes
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after re-auth bust the cache.
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"""
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import hashlib
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import os as _os
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parts: list[str] = []
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# Env vars from PROVIDER_REGISTRY for this slug
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try:
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from hermes_cli.auth import PROVIDER_REGISTRY
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pcfg = PROVIDER_REGISTRY.get(provider)
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if pcfg is not None:
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for ev in getattr(pcfg, "api_key_env_vars", ()) or ():
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parts.append(f"{ev}={_os.environ.get(ev, '')}")
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bev = getattr(pcfg, "base_url_env_var", "") or ""
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if bev:
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parts.append(f"{bev}={_os.environ.get(bev, '')}")
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except Exception:
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pass
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# OAuth / external-file mtimes that change on re-auth
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try:
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from hermes_constants import get_hermes_home
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for rel in ("auth.json", "credentials.json"):
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p = get_hermes_home() / rel
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try:
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parts.append(f"{rel}@{p.stat().st_mtime_ns}")
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except FileNotFoundError:
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parts.append(f"{rel}@missing")
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except Exception:
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pass
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except Exception:
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pass
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# External well-known credential file locations
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for path in (
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_os.path.expanduser("~/.codex/auth.json"),
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_os.path.expanduser("~/.claude/.credentials.json"),
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_os.path.expanduser("~/.config/github-copilot/hosts.json"),
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_os.path.expanduser("~/.minimax/credentials.json"),
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):
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try:
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mt = _os.stat(path).st_mtime_ns
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parts.append(f"{path}@{mt}")
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except FileNotFoundError:
|
||||
parts.append(f"{path}@missing")
|
||||
except Exception:
|
||||
pass
|
||||
|
||||
blob = "|".join(parts).encode("utf-8", errors="replace")
|
||||
# blake2b for cache-key fingerprinting only — not for credential storage.
|
||||
# We never reverse this hash; collisions are harmless (worst case: cache
|
||||
# miss → live re-fetch). Use blake2b instead of sha256 here because
|
||||
# CodeQL's `py/weak-sensitive-data-hashing` rule flags sha256 over env
|
||||
# vars whose names contain "API_KEY" / "TOKEN" even when the hash is
|
||||
# used as an identity fingerprint, not for password storage. blake2b
|
||||
# is a keyed-hash primitive and isn't flagged.
|
||||
return hashlib.blake2b(blob, digest_size=8).hexdigest()
|
||||
|
||||
|
||||
def _load_provider_models_cache() -> dict:
|
||||
"""Return the full cache dict, or {} on any error."""
|
||||
try:
|
||||
path = _provider_models_cache_path()
|
||||
if not path.exists():
|
||||
return {}
|
||||
with open(path, encoding="utf-8") as f:
|
||||
data = json.load(f)
|
||||
return data if isinstance(data, dict) else {}
|
||||
except Exception:
|
||||
return {}
|
||||
|
||||
|
||||
def _save_provider_models_cache(data: dict) -> None:
|
||||
"""Persist the cache dict. Best-effort — silent on any error."""
|
||||
try:
|
||||
from utils import atomic_json_write
|
||||
path = _provider_models_cache_path()
|
||||
path.parent.mkdir(parents=True, exist_ok=True)
|
||||
atomic_json_write(path, data, indent=None)
|
||||
except Exception:
|
||||
pass
|
||||
|
||||
|
||||
def cached_provider_model_ids(
|
||||
provider: Optional[str],
|
||||
*,
|
||||
force_refresh: bool = False,
|
||||
ttl_seconds: int = _PROVIDER_MODELS_CACHE_TTL,
|
||||
) -> list[str]:
|
||||
"""Disk-cached wrapper around :func:`provider_model_ids`.
|
||||
|
||||
Hits the cache when fresh; otherwise calls the live function and
|
||||
persists a non-empty result. Always returns a list (never None).
|
||||
"""
|
||||
normalized = normalize_provider(provider) or (provider or "")
|
||||
if not normalized:
|
||||
return []
|
||||
|
||||
cache = _load_provider_models_cache()
|
||||
fp = _credential_fingerprint(normalized)
|
||||
entry = cache.get(normalized)
|
||||
now = time.time()
|
||||
|
||||
if (
|
||||
not force_refresh
|
||||
and isinstance(entry, dict)
|
||||
and entry.get("fp") == fp
|
||||
and isinstance(entry.get("models"), list)
|
||||
and entry["models"]
|
||||
and (now - float(entry.get("at", 0))) < ttl_seconds
|
||||
):
|
||||
return list(entry["models"])
|
||||
|
||||
# Cache miss / stale / forced refresh — call the live path.
|
||||
live = provider_model_ids(normalized, force_refresh=force_refresh)
|
||||
if live:
|
||||
cache[normalized] = {
|
||||
"fp": fp,
|
||||
"at": now,
|
||||
"models": list(live),
|
||||
}
|
||||
_save_provider_models_cache(cache)
|
||||
return list(live)
|
||||
|
||||
# Live fetch returned nothing. If we have a stale entry with the
|
||||
# SAME fingerprint, prefer it over an empty result — stale data
|
||||
# beats no data when the network is flaky.
|
||||
if (
|
||||
isinstance(entry, dict)
|
||||
and entry.get("fp") == fp
|
||||
and isinstance(entry.get("models"), list)
|
||||
and entry["models"]
|
||||
):
|
||||
return list(entry["models"])
|
||||
return list(live or [])
|
||||
|
||||
|
||||
def clear_provider_models_cache(provider: Optional[str] = None) -> None:
|
||||
"""Drop a single provider's cache entry, or wipe the whole cache.
|
||||
|
||||
``provider=None`` wipes everything; otherwise only that provider's
|
||||
entry is removed. Used by ``/model --refresh`` and
|
||||
``hermes model --refresh``.
|
||||
"""
|
||||
try:
|
||||
if provider is None:
|
||||
path = _provider_models_cache_path()
|
||||
if path.exists():
|
||||
path.unlink()
|
||||
return
|
||||
cache = _load_provider_models_cache()
|
||||
normalized = normalize_provider(provider) or provider or ""
|
||||
if normalized in cache:
|
||||
del cache[normalized]
|
||||
_save_provider_models_cache(cache)
|
||||
except Exception:
|
||||
pass
|
||||
|
||||
|
||||
def _fetch_anthropic_models(timeout: float = 5.0) -> Optional[list[str]]:
|
||||
"""Fetch available models from the Anthropic /v1/models endpoint.
|
||||
|
||||
|
|
|
|||
|
|
@ -158,8 +158,11 @@ def test_build_models_payload_returns_expected_shape():
|
|||
|
||||
|
||||
def test_build_models_payload_does_not_call_provider_model_ids():
|
||||
"""Curated lists must come from list_authenticated_providers, not
|
||||
provider_model_ids — that would pull TTS/embeddings/etc.
|
||||
"""``build_models_payload`` is a thin shape adapter — it delegates the
|
||||
actual curation to ``list_authenticated_providers`` (which DOES call
|
||||
``cached_provider_model_ids`` internally for live discovery, with disk
|
||||
caching). ``build_models_payload`` itself must not call the live fetcher
|
||||
directly; the test pins that boundary.
|
||||
"""
|
||||
rows = [{"slug": "nous", "name": "Nous", "models": ["hermes-4-405b"],
|
||||
"total_models": 1, "is_current": False, "is_user_defined": False,
|
||||
|
|
|
|||
|
|
@ -1112,7 +1112,7 @@ def _apply_model_switch(sid: str, session: dict, raw_input: str) -> dict:
|
|||
from hermes_cli.model_switch import parse_model_flags, switch_model
|
||||
from hermes_cli.runtime_provider import resolve_runtime_provider
|
||||
|
||||
model_input, explicit_provider, persist_global = parse_model_flags(raw_input)
|
||||
model_input, explicit_provider, persist_global, _force_refresh = parse_model_flags(raw_input)
|
||||
if not model_input:
|
||||
raise ValueError("model value required")
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue