Files
ha-text-ai/custom_components/ha_text_ai/providers.py
T
SMKRV 5af733b1b0 feat: v2.5.0 - disable_thinking, reasoning models, MIT license, security hardening
Features:
- disable_thinking toggle (issue #11) with per-provider semantics:
  OpenAI classic gets /no_think soft-switch, OpenAI reasoning gets
  reasoning_effort=low, DeepSeek gets both, Anthropic no-op (thinking
  opt-in), Gemini 2.5+ gets thinking_budget=0
- OpenAI reasoning model support (o1/o3/o4-mini/gpt-5 family):
  max_completion_tokens, developer role, reasoning_effort
- Per-request disable_thinking override in ask_question service
- Provider-specific temperature clip (Anthropic 0-1, others 0-2)

Security:
- Require API key re-entry on provider change (OptionsFlow)
- Validate Anthropic json_schema before system-prompt concatenation
- Symlink protection in history file operations
- Hardened secret redaction regexes (sk-*, AIza*, x-api-key)
- get_history service: hard cap on limit (default 10, max 100)

Reliability:
- Retry on 502/503/504 in addition to 429/timeout
- Honor Retry-After header on 429
- Exception chaining (raise ... from err)
- _strip_think_blocks handles nested/dangling tags
- normalize_name sha256 fallback for empty-collapse inputs

UI/housekeeping:
- api_key uses TextSelector(type=PASSWORD)
- DeviceInfo entry_type=SERVICE
- Services unregister on last entry unload
- Dependabot for GitHub Actions
- persist-credentials=false in checkout steps
- manifest requirements pinned with upper bounds
- Ignore docs/plans/ (working artifacts)

License: PolyForm Noncommercial 1.0.0 -> MIT

No breaking changes: service response shape, sensor attributes,
entity IDs and on-disk formats unchanged.
2026-04-17 01:30:57 +03:00

98 lines
2.9 KiB
Python

"""
Provider registry for HA Text AI integration.
Centralizes provider-specific configuration to avoid dispatch duplication
across __init__.py, config_flow.py, and api_client.py.
@license: MIT (https://opensource.org/licenses/MIT)
@author: SMKRV
@github: https://github.com/smkrv/ha-text-ai
@source: https://github.com/smkrv/ha-text-ai
"""
from __future__ import annotations
from typing import Any
from .const import (
API_PROVIDER_OPENAI,
API_PROVIDER_ANTHROPIC,
API_PROVIDER_DEEPSEEK,
API_PROVIDER_GEMINI,
DEFAULT_MODEL,
DEFAULT_ANTHROPIC_MODEL,
DEFAULT_DEEPSEEK_MODEL,
DEFAULT_GEMINI_MODEL,
DEFAULT_OPENAI_ENDPOINT,
DEFAULT_ANTHROPIC_ENDPOINT,
DEFAULT_DEEPSEEK_ENDPOINT,
DEFAULT_GEMINI_ENDPOINT,
)
PROVIDER_REGISTRY: dict[str, dict[str, Any]] = {
API_PROVIDER_OPENAI: {
"default_model": DEFAULT_MODEL,
"default_endpoint": DEFAULT_OPENAI_ENDPOINT,
"auth_header": "Authorization",
"auth_prefix": "Bearer ",
"check_path": "/models",
},
API_PROVIDER_ANTHROPIC: {
"default_model": DEFAULT_ANTHROPIC_MODEL,
"default_endpoint": DEFAULT_ANTHROPIC_ENDPOINT,
"auth_header": "x-api-key",
"auth_prefix": "",
"check_path": "/v1/models",
"extra_headers": {
"anthropic-version": "2023-06-01",
},
},
API_PROVIDER_DEEPSEEK: {
"default_model": DEFAULT_DEEPSEEK_MODEL,
"default_endpoint": DEFAULT_DEEPSEEK_ENDPOINT,
"auth_header": "Authorization",
"auth_prefix": "Bearer ",
"check_path": "/models",
},
API_PROVIDER_GEMINI: {
"default_model": DEFAULT_GEMINI_MODEL,
"default_endpoint": DEFAULT_GEMINI_ENDPOINT,
"auth_header": "Authorization",
"auth_prefix": "Bearer ",
"check_path": None, # Gemini does not support /models check
},
}
def get_provider_config(provider: str) -> dict[str, Any]:
"""Get full provider configuration.
Raises ValueError for unknown providers to avoid sending
credentials to the wrong endpoint.
"""
if provider not in PROVIDER_REGISTRY:
raise ValueError(f"Unknown API provider: {provider}")
return PROVIDER_REGISTRY[provider]
def get_default_endpoint(provider: str) -> str:
"""Get default API endpoint for a provider."""
return get_provider_config(provider)["default_endpoint"]
def get_default_model(provider: str) -> str:
"""Get default model for a provider."""
return get_provider_config(provider)["default_model"]
def build_auth_headers(provider: str, api_key: str) -> dict[str, str]:
"""Build authentication headers for a provider."""
config = get_provider_config(provider)
headers = {
"Content-Type": "application/json",
"Accept": "application/json",
}
headers[config["auth_header"]] = f"{config['auth_prefix']}{api_key}"
if "extra_headers" in config:
headers.update(config["extra_headers"])
return headers